♨Aussie Boomer 🇦🇺 ♠

3 months ago

🚨🧬 NATURE INVENTED “PLASTIC” LONG BEFORE HUMANS DID AND SCIENTISTS HAVE DISCOVERED THAT ANIMALS MAY HAVE BEEN EATING IT FOR HUNDREDS OF MILLIONS OF YEARS. It sounds almost unbelievable. But a new peer reviewed study has uncovered something hiding in nature for an extraordinary amount of time: Animals from widely separated branches of the tree of life possess enzymes capable of breaking down nature’s own biodegradable plastic like material. And the discovery started with a tiny marine worm with no mouth and no gut. Here’s the story. 👇 🪱 THE LITTLE WORM THAT CHANGED THE STORY Scientists at the Max Planck Institute for Marine Microbiology were studying an unusual marine worm called Olavius algarvensis. The animal is only around two centimetres long. But biologically, it is extraordinary. It has become so dependent on bacteria living beneath its skin that it has lost its conventional digestive system. No mouth. No gut. Instead, symbiotic bacteria provide the worm with nutrition. Researchers discovered that one of its dominant bacterial partners stores huge amounts of carbon inside a substance called: PHA polyhydroxyalkanoate. PHA is a naturally occurring polyester produced by many bacteria and archaea. Microbes essentially use it as an energy and carbon reserve. When carbon is plentiful but other conditions limit growth, microbes can manufacture PHA and accumulate it inside their cells. Some microorganisms can accumulate storage PHAs representing an astonishing up to 90% of their dry weight. In the dominant bacterial symbiont living inside Olavius algarvensis, the researchers found storage PHA accounted for up to 42% of cellular carbon stores. That raised an obvious question: If this worm survives by digesting its bacterial partners, can it access all that energy stored inside PHA? The answer appears to be yes. 🔬 SCIENTISTS FOUND THE BIOLOGICAL “KEY” The researchers identified an enzyme in the worm known as a: Polyhydroxyalkanoate depolymerase PHAD. Think of the PHA polymer as a locked chain containing stored carbon and energy. The PHAD enzyme helps cut that chain apart. Laboratory enzyme experiments combined with mass spectrometry confirmed that the worm’s PHAD could degrade storage PHAs into smaller hydroxyalkanoate monomers capable of entering conserved metabolic pathways. Then came another important piece of evidence. Researchers examined where the enzyme’s genetic instructions were being expressed. They found PHAD expression in the worm’s epidermis exactly where its bacterial symbionts are digested. That strongly supports the idea that the worm isn't merely carrying this enzyme by accident. It appears capable of accessing the PHA carbon reserves stored inside its microbial partners. That alone would have been fascinating. But researchers kept looking. And that's when this became a much bigger discovery. 🌍 THE ABILITY ISN’T LIMITED TO ONE WEIRD WORM The scientists searched animal genomic data for related enzymes. They found PHADs in: 🔥 MORE THAN 66 ANIMAL SPECIES 🔥 ACROSS NINE DIFFERENT ANIMAL PHYLA They also identified PHADs in: 🔥 19 PROTIST SPECIES 🔥 ACROSS THREE MAJOR PROTIST SUPERGROUPS This wasn't confined to closely related marine worms. The enzymes appeared across remarkably different branches of life. And researchers didn't simply identify genes and assume they worked. They tested enzymes from evolutionarily distant animals. Functional laboratory assays confirmed that PHADs from animals spanning aquatic and terrestrial environments could degrade microbial storage PHAs. The ScienceDaily report highlights successful testing involving animals including a sponge, earthworm and springtail. That completely changed the scale of the discovery. What began as: “How does this strange little worm obtain energy?” became: “How long have animals been capable of using microbial bioplastics as a carbon source?” ⏳ THE ANSWER COULD GO BACK HUNDREDS OF MILLIONS OF YEARS The evolutionary distribution of PHAD enzymes led researchers to an extraordinary possibility. Their analysis suggests the last common ancestor of animals may already have possessed PHADs. That would make this ability extremely ancient. Researchers therefore believe animals may have been accessing microbial PHA reserves for hundreds of millions of years. In other words: Before modern humans existed... Before civilisation... Before factories... Before petroleum... Before anyone manufactured a plastic bottle... Nature already had organisms manufacturing polymers and animals may already have possessed the machinery required to break them down. 🧬 SO WHAT EXACTLY IS THIS “NATURAL PLASTIC”? PHA isn't something humans invented. Polyhydroxyalkanoates are natural polyesters manufactured by microorganisms. Bacteria and certain archaea make them as internal stores of carbon and energy. They occur naturally across environments including: 🌊 Marine sediments 🌱 Soils 💧 Aquatic ecosystems 🦠 Microbial communities And unlike many conventional plastics humans manufacture from fossil resources, PHAs can be biologically degraded. That property has made them extremely interesting to scientists and industry. Because humans have figured out how to make them too. 🏭 WE ARE NOW COPYING A TRICK MICROBES MASTERED LONG AGO Industrial PHA production can use microorganisms grown in fermentation tanks. Give the microbes suitable carbon-rich feedstocks and conditions, and they accumulate PHA. The polymer can then be extracted and processed into useful materials. PHA-based materials have applications or potential applications including: 📦 Food packaging 🧴 Hygiene products 🌱 Agricultural materials 🩹 Wound dressings 💊 Drug-delivery systems 🧵 Resorbable sutures 🏥 Biodegradable medical implants ScienceDaily notes that PHAs currently represent only a relatively small part of the bioplastics market, but interest is growing as researchers and companies search for more sustainable materials. There's something remarkable about that. Humanity is spending enormous amounts of money trying to develop a new generation of biodegradable materials. Meanwhile... Microorganisms have been manufacturing their own biodegradable polymers throughout evolutionary history. And now we've discovered that animals may also be part of the recycling system. ♻️ NATURE MAY HAVE AN ANCIENT BIOPLASTIC CYCLE Think about what is happening: 🦠 Microorganisms capture carbon. ⬇️ 🧬 They convert some of it into PHA. ⬇️ 🔋 PHA becomes an internal carbon and energy reserve. ⬇️ 🪱 Animals consume microbes or microbial material. ⬇️ 🔬 PHAD enzymes break PHA apart. ⬇️ ⚡ The resulting molecules become biologically accessible. ⬇️ 🌍 Carbon continues moving through the ecosystem. Researchers describe the finding as a previously unrecognised pathway through which animals and protists can access microbial carbon reserves. And that's potentially the most scientifically important part of this story. This isn't merely a story about “animals eating plastic.” It's a story about the carbon cycle. Microbial PHAs are widespread across ecosystems. If animals have been accessing those carbon reserves all along, scientists have been missing part of the relationship connecting microbial metabolism to animal food webs. ⚠️ NOW FOR THE VERY IMPORTANT FACT CHECK Before anyone starts imagining earthworms solving the world's plastic-pollution crisis: THIS STUDY DOES NOT SHOW THAT ANIMALS CAN EAT OUR ORDINARY PLASTIC RUBBISH. The research concerns microbial storage PHAs. It does NOT demonstrate animals digesting: ❌ PET drink bottles ❌ Polyethylene shopping bags ❌ Polypropylene packaging ❌ Conventional fossil-derived plastic rubbish PHA is chemically and biologically different from many conventional plastics. So: “Scientists discover animals that can eat plastic bottles” would be misleading. A much more accurate description is: Scientists discovered that the ability to enzymatically degrade naturally occurring microbial PHA biopolymers is surprisingly widespread across animals. That's still an extraordinary discovery. 🔎 THERE'S ANOTHER LIMITATION Scientists have demonstrated the biological capability. What they haven't yet established is exactly how important this process is across natural ecosystems. Researchers still don't know how commonly animals consume microbial PHA in nature or how much this previously unknown pathway contributes to global carbon cycling. That's likely to become an important area for future research. But the discovery has already changed a basic assumption. PHA degradation was previously associated primarily with microorganisms such as bacteria and fungi. Now we know animals possess this machinery too. 🌎 AND THAT MAY BE THE MOST BEAUTIFUL PART OF THIS DISCOVERY Human beings often think of plastic as something uniquely modern. Something created by industrial chemistry. Something nature never encountered before us. For conventional synthetic plastics, that's largely true. But polymers with plastic like properties? Nature got there first. Microorganisms evolved ways to manufacture PHAs as tiny biological energy stores. Other organisms evolved enzymes capable of unlocking them. And this relationship may have existed for hundreds of millions of years. We didn't invent the fundamental idea. We discovered another version of something nature had already been doing on a microscopic scale for an almost unimaginable length of time. And now that we're desperately searching for better biodegradable materials... Perhaps one of the most useful places to look isn't always forward. Sometimes it's back into nature's own laboratory. 🌍🧬 🔎 FACT CHECK & PRIMARY SOURCES ✅ PEER-REVIEWED PAPER Nature Ecology & Evolution Caroline Zeidler et al. Animal degradation of microbial storage polyhydroxyalkanoates Published: 13 August 2026 DOI: 10.1038/s41559-026-03153-8 Read the peer-reviewed Nature paper ✅ SCIENCEDAILY / MAX PLANCK INSTITUTE FOR MARINE MICROBIOLOGY Animals have been eating nature's original bioplastic for millions of years Read the ScienceDaily research report 📌 FACT CHECK: 66+ SPECIES? YES. The peer-reviewed paper reports PHADs in more than 66 gut-bearing animal species from nine phyla. 📌 19 PROTIST SPECIES? YES. Researchers identified PHADs in 19 protist species belonging to three major supergroups. 📌 42% CARBON FIGURE? YES. In the dominant bacterial symbiont of Olavius algarvensis, storage PHAs accounted for up to 42% of cellular carbon stores. 📌 ACTUALLY TESTED THE ENZYMES? YES. Functional enzyme assays confirmed that PHADs from evolutionarily distant animal lineages could degrade microbial storage PHAs. 📌 HUNDREDS OF MILLIONS OF YEARS? PLAUSIBLE EVOLUTIONARY INFERENCE, NOT DIRECT OBSERVATION. The distribution of PHADs suggests the last common ancestor of animals may have possessed them. Researchers therefore propose that animals have probably accessed these natural bioplastics for hundreds of millions of years. 📌 CAN THESE ANIMALS EAT OUR PLASTIC BOTTLES? NO EVIDENCE FROM THIS STUDY. The research concerns naturally produced microbial storage PHAs, not ordinary PET, polyethylene or polypropylene waste. Nature had its own biodegradable plastic system long before us and we're only now beginning to understand just how many animals may be part of it. 🧬🌍 #Science #Biology #PHA #Bioplastics #Nature #Microbiology #Environment #Research #Sustainability #Discovery

TheRiftBorn's tweet photo. 🚨🧬 NATURE INVENTED “PLASTIC” LONG BEFORE HUMANS DID AND SCIENTISTS HAVE DISCOVERED THAT ANIMALS MAY HAVE BEEN EATING IT FOR HUNDREDS OF MILLIONS OF YEARS.

It sounds almost unbelievable.

But a new peer reviewed study has uncovered something hiding in nature for an extraordinary amount of time:

Animals from widely separated branches of the tree of life possess enzymes capable of breaking down nature’s own biodegradable plastic like material.

And the discovery started with a tiny marine worm with no mouth and no gut.

Here’s the story. 👇

🪱 THE LITTLE WORM THAT CHANGED THE STORY

Scientists at the Max Planck Institute for Marine Microbiology were studying an unusual marine worm called Olavius algarvensis.

The animal is only around two centimetres long.

But biologically, it is extraordinary.

It has become so dependent on bacteria living beneath its skin that it has lost its conventional digestive system.

No mouth. No gut.

Instead, symbiotic bacteria provide the worm with nutrition.

Researchers discovered that one of its dominant bacterial partners stores huge amounts of carbon inside a substance called:

PHA polyhydroxyalkanoate.

PHA is a naturally occurring polyester produced by many bacteria and archaea.

Microbes essentially use it as an energy and carbon reserve.

When carbon is plentiful but other conditions limit growth, microbes can manufacture PHA and accumulate it inside their cells.

Some microorganisms can accumulate storage PHAs representing an astonishing up to 90% of their dry weight.

In the dominant bacterial symbiont living inside Olavius algarvensis, the researchers found storage PHA accounted for up to 42% of cellular carbon stores.

That raised an obvious question:

If this worm survives by digesting its bacterial partners, can it access all that energy stored inside PHA?

The answer appears to be yes.

🔬 SCIENTISTS FOUND THE BIOLOGICAL “KEY”

The researchers identified an enzyme in the worm known as a:

Polyhydroxyalkanoate depolymerase PHAD.

Think of the PHA polymer as a locked chain containing stored carbon and energy.

The PHAD enzyme helps cut that chain apart.

Laboratory enzyme experiments combined with mass spectrometry confirmed that the worm’s PHAD could degrade storage PHAs into smaller hydroxyalkanoate monomers capable of entering conserved metabolic pathways.

Then came another important piece of evidence.

Researchers examined where the enzyme’s genetic instructions were being expressed.

They found PHAD expression in the worm’s epidermis exactly where its bacterial symbionts are digested.

That strongly supports the idea that the worm isn't merely carrying this enzyme by accident.

It appears capable of accessing the PHA carbon reserves stored inside its microbial partners.

That alone would have been fascinating.

But researchers kept looking.

And that's when this became a much bigger discovery.

🌍 THE ABILITY ISN’T LIMITED TO ONE WEIRD WORM

The scientists searched animal genomic data for related enzymes.

They found PHADs in:

🔥 MORE THAN 66 ANIMAL SPECIES

🔥 ACROSS NINE DIFFERENT ANIMAL PHYLA

They also identified PHADs in:

🔥 19 PROTIST SPECIES

🔥 ACROSS THREE MAJOR PROTIST SUPERGROUPS

This wasn't confined to closely related marine worms.

The enzymes appeared across remarkably different branches of life.

And researchers didn't simply identify genes and assume they worked.

They tested enzymes from evolutionarily distant animals.

Functional laboratory assays confirmed that PHADs from animals spanning aquatic and terrestrial environments could degrade microbial storage PHAs.

The ScienceDaily report highlights successful testing involving animals including a sponge, earthworm and springtail.

That completely changed the scale of the discovery.

What began as:

“How does this strange little worm obtain energy?”

became:

“How long have animals been capable of using microbial bioplastics as a carbon source?”

⏳ THE ANSWER COULD GO BACK HUNDREDS OF MILLIONS OF YEARS

The evolutionary distribution of PHAD enzymes led researchers to an extraordinary possibility.

Their analysis suggests the last common ancestor of animals may already have possessed PHADs.

That would make this ability extremely ancient.

Researchers therefore believe animals may have been accessing microbial PHA reserves for hundreds of millions of years.

In other words:

Before modern humans existed...

Before civilisation...

Before factories...

Before petroleum...

Before anyone manufactured a plastic bottle...

Nature already had organisms manufacturing polymers and animals may already have possessed the machinery required to break them down.

🧬 SO WHAT EXACTLY IS THIS “NATURAL PLASTIC”?

PHA isn't something humans invented.

Polyhydroxyalkanoates are natural polyesters manufactured by microorganisms.

Bacteria and certain archaea make them as internal stores of carbon and energy.

They occur naturally across environments including:

🌊 Marine sediments
🌱 Soils
💧 Aquatic ecosystems
🦠 Microbial communities
And unlike many conventional plastics humans manufacture from fossil resources, PHAs can be biologically degraded.
That property has made them extremely interesting to scientists and industry.
Because humans have figured out how to make them too.

🏭 WE ARE NOW COPYING A TRICK MICROBES MASTERED LONG AGO

Industrial PHA production can use microorganisms grown in fermentation tanks.

Give the microbes suitable carbon-rich feedstocks and conditions, and they accumulate PHA.

The polymer can then be extracted and processed into useful materials.

PHA-based materials have applications or potential applications including:

📦 Food packaging

🧴 Hygiene products

🌱 Agricultural materials

🩹 Wound dressings

💊 Drug-delivery systems

🧵 Resorbable sutures

🏥 Biodegradable medical implants

ScienceDaily notes that PHAs currently represent only a relatively small part of the bioplastics market, but interest is growing as researchers and companies search for more sustainable materials.

There's something remarkable about that.

Humanity is spending enormous amounts of money trying to develop a new generation of biodegradable materials.

Meanwhile...

Microorganisms have been manufacturing their own biodegradable polymers throughout evolutionary history.

And now we've discovered that animals may also be part of the recycling system.

♻️ NATURE MAY HAVE AN ANCIENT BIOPLASTIC CYCLE

Think about what is happening:

🦠 Microorganisms capture carbon.

⬇️

🧬 They convert some of it into PHA.

⬇️

🔋 PHA becomes an internal carbon and energy reserve.

⬇️

🪱 Animals consume microbes or microbial material.

⬇️

🔬 PHAD enzymes break PHA apart.

⬇️

⚡ The resulting molecules become biologically accessible.

⬇️

🌍 Carbon continues moving through the ecosystem.

Researchers describe the finding as a previously unrecognised pathway through which animals and protists can access microbial carbon reserves.

And that's potentially the most scientifically important part of this story.

This isn't merely a story about “animals eating plastic.”

It's a story about the carbon cycle.

Microbial PHAs are widespread across ecosystems.

If animals have been accessing those carbon reserves all along, scientists have been missing part of the relationship connecting microbial metabolism to animal food webs.

⚠️ NOW FOR THE VERY IMPORTANT FACT CHECK

Before anyone starts imagining earthworms solving the world's plastic-pollution crisis:

THIS STUDY DOES NOT SHOW THAT ANIMALS CAN EAT OUR ORDINARY PLASTIC RUBBISH.

The research concerns microbial storage PHAs.

It does NOT demonstrate animals digesting:

❌ PET drink bottles

❌ Polyethylene shopping bags

❌ Polypropylene packaging

❌ Conventional fossil-derived plastic rubbish

PHA is chemically and biologically different from many conventional plastics.

So:

“Scientists discover animals that can eat plastic bottles”

would be misleading.

A much more accurate description is:

Scientists discovered that the ability to enzymatically degrade naturally occurring microbial PHA biopolymers is surprisingly widespread across animals.

That's still an extraordinary discovery.

🔎 THERE'S ANOTHER LIMITATION

Scientists have demonstrated the biological capability.

What they haven't yet established is exactly how important this process is across natural ecosystems.

Researchers still don't know how commonly animals consume microbial PHA in nature or how much this previously unknown pathway contributes to global carbon cycling.

That's likely to become an important area for future research.

But the discovery has already changed a basic assumption.

PHA degradation was previously associated primarily with microorganisms such as bacteria and fungi.

Now we know animals possess this machinery too.

🌎 AND THAT MAY BE THE MOST BEAUTIFUL PART OF THIS DISCOVERY

Human beings often think of plastic as something uniquely modern.

Something created by industrial chemistry.

Something nature never encountered before us.

For conventional synthetic plastics, that's largely true.

But polymers with plastic like properties?

Nature got there first.

Microorganisms evolved ways to manufacture PHAs as tiny biological energy stores.

Other organisms evolved enzymes capable of unlocking them.

And this relationship may have existed for hundreds of millions of years.

We didn't invent the fundamental idea.

We discovered another version of something nature had already been doing on a microscopic scale for an almost unimaginable length of time.

And now that we're desperately searching for better biodegradable materials...

Perhaps one of the most useful places to look isn't always forward.

Sometimes it's back into nature's own laboratory. 🌍🧬

🔎 FACT CHECK & PRIMARY SOURCES

✅ PEER-REVIEWED PAPER Nature Ecology & Evolution

Caroline Zeidler et al.
Animal degradation of microbial storage polyhydroxyalkanoates
Published: 13 August 2026
DOI: 10.1038/s41559-026-03153-8

Read the peer-reviewed Nature paper

✅ SCIENCEDAILY / MAX PLANCK INSTITUTE FOR MARINE MICROBIOLOGY

Animals have been eating nature's original bioplastic for millions of years
Read the ScienceDaily research report

📌 FACT CHECK: 66+ SPECIES? YES.

The peer-reviewed paper reports PHADs in more than 66 gut-bearing animal species from nine phyla.

📌 19 PROTIST SPECIES? YES.

Researchers identified PHADs in 19 protist species belonging to three major supergroups.

📌 42% CARBON FIGURE? YES.

In the dominant bacterial symbiont of Olavius algarvensis, storage PHAs accounted for up to 42% of cellular carbon stores.

📌 ACTUALLY TESTED THE ENZYMES? YES.

Functional enzyme assays confirmed that PHADs from evolutionarily distant animal lineages could degrade microbial storage PHAs.

📌 HUNDREDS OF MILLIONS OF YEARS? PLAUSIBLE EVOLUTIONARY INFERENCE, NOT DIRECT OBSERVATION.

The distribution of PHADs suggests the last common ancestor of animals may have possessed them. Researchers therefore propose that animals have probably accessed these natural bioplastics for hundreds of millions of years.

📌 CAN THESE ANIMALS EAT OUR PLASTIC BOTTLES? NO EVIDENCE FROM THIS STUDY.

The research concerns naturally produced microbial storage PHAs, not ordinary PET, polyethylene or polypropylene waste.

Nature had its own biodegradable plastic system long before us and we're only now beginning to understand just how many animals may be part of it. 🧬🌍

#Science #Biology #PHA #Bioplastics #Nature #Microbiology #Environment #Research #Sustainability #Discovery

188

Artist.🎨 Independent Researcher 🔍Reporter📜�� Christ is king✝️ https://t.co/bgZCWobEs1 ☕️

3 months ago

🚨🪱 Animals have been “eating plastic-like materials” for hundreds of millions of years long before humans existed. Scientists found that many species carry enzymes that break down natural microbial plastics (PHAs) made by bacteria. This ability is widespread across the animal kingdom and may represent an ancient carbon-recycling system we’re only now understanding. ⚠️ This is NOT about PET bottles or synthetic plastic waste only natural biodegradable PHAs. Nature may have been running a plastic-like carbon cycle long before us. 🌍🧬 🏬full story below⏬ in reply

TheRiftBorn's tweet photo. 🚨🪱 Animals have been “eating plastic-like materials” for hundreds of millions of years long before humans existed.

Scientists found that many species carry enzymes that break down natural microbial plastics (PHAs) made by bacteria.
This ability is widespread across the animal kingdom and may represent an ancient carbon-recycling system we’re only now understanding.

⚠️ This is NOT about PET bottles or synthetic plastic waste only natural biodegradable PHAs.
Nature may have been running a plastic-like carbon cycle long before us. 🌍🧬
🏬full story below⏬ in reply

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3 months ago

🧬 ANIMALS MAY HAVE BEEN EATING NATURE’S ORIGINAL “PLASTIC” FOR HUNDREDS OF MILLIONS OF YEARS AND SCIENTISTS HAVE ONLY JUST REALISED HOW WIDESPREAD IT IS Long before humans produced plastic bottles, shopping bags or food packaging, microorganisms had already evolved their own remarkable plastic-like material. It's called polyhydroxyalkanoate or PHA. Many bacteria and archaea naturally manufacture PHAs inside their cells, where they function as stores of carbon and energy. Think of them a little like biological batteries. When conditions are favourable and carbon is plentiful, microorganisms can accumulate PHA. Later, when conditions change, that stored material can be broken down and used. Scientists have known about these microbial polymers for decades. But there was one major assumption: Animals weren't thought to be able to directly break down these microbial PHA reserves themselves. New research suggests that assumption was wrong. And the discovery began with one extraordinary little worm. 🪱 MEET THE WORM THAT HELPED CHANGE THE STORY Researchers at the Max Planck Institute for Marine Microbiology in Bremen, Germany, were studying a tiny marine worm called Olavius algarvensis. This is already a very unusual animal. It doesn't have a conventional digestive system. In fact, it has no mouth or gut. Instead, the worm has developed an extraordinary relationship with bacteria living beneath its skin. These bacterial partners provide nutrition, and the worm digests some of its symbiotic bacteria to obtain food. Researchers noticed something particularly interesting about one of those bacterial partners. It stored a substantial amount of its carbon as PHA. In the dominant symbiont examined by the researchers, storage PHAs represented up to 42% of cellular carbon stores. That raised a fascinating question: If the worm depends on these bacteria for nutrition, could it somehow access the energy locked inside their PHA? The answer appears to be yes. 🔬 THE ENZYME THAT UNLOCKED THE MYSTERY Researchers identified a PHA-degrading enzyme a polyhydroxyalkanoate depolymerase, or PHAD in the worm. The team then went further. Laboratory enzyme experiments and mass spectrometry confirmed that the worm's PHAD could break storage PHAs down into hydroxyalkanoate monomers. Those smaller molecules can then enter established metabolic pathways. Even more convincing was where the enzyme appeared. Researchers examined where the PHAD gene was being expressed and found activity in the worm's epidermis — the same region where its bacterial symbionts are digested. In other words, the pieces lined up. The bacteria contain energy-rich PHA. The worm digests those bacteria. And the worm possesses an enzyme capable of breaking the PHA down. But then the researchers made an even bigger discovery. 🌍 IT WASN'T JUST ONE WEIRD WORM The scientists searched much more broadly through animal genomic information. They identified related PHAD enzymes in more than 66 gut-bearing animal species spanning nine animal phyla. That included animals from dramatically different branches of the tree of life. Marine animals. Terrestrial animals. Worms. Sponges. And other distant groups. The researchers didn't simply rely on finding genes that looked similar. They performed functional tests on enzymes from animals separated by enormous evolutionary distances. Enzymes from a sponge, earthworm and springtail were among those experimentally demonstrated to degrade microbial storage PHAs. The peer-reviewed research also identified PHADs in 19 protist species belonging to three major supergroups. That dramatically expanded the biological picture. What initially looked like an unusual adaptation in one strange marine worm may instead represent an ancient and surprisingly widespread biological capability. 🧬 HOW OLD COULD THIS ABILITY BE? The evolutionary distribution of these enzymes led researchers to an intriguing possibility. Their analysis suggests that the last common ancestor of animals may already have possessed PHAD enzymes. If that interpretation is correct, animals may have had access to microbial PHA carbon reserves for an extraordinary length of evolutionary time. Researchers suggest animals could have been consuming nature's original bioplastic for hundreds of millions of years. That doesn't mean scientists have fossils showing ancient animals chewing pieces of plastic. It's an evolutionary inference based on how broadly these enzymes appear across different animal lineages. But it potentially changes our understanding of an ancient relationship between microbes and animals. 🌱 SO WHAT EXACTLY IS PHA? This is where the story needs an important fact check. PHA is often called a bioplastic, and humans now manufacture PHA-based materials commercially. But these aren't the same thing as most conventional petroleum-derived plastics polluting our environment. PHAs are a family of naturally occurring polyesters produced by many microorganisms. Bacteria and certain archaea manufacture them as carbon and energy reserves. Under some conditions, microorganisms can accumulate enormous amounts of PHA — in some species, storage PHA can constitute a very large proportion of the organism's dry cellular mass. Humans have learned to exploit this natural process. Industrial producers can grow bacteria in fermentation systems, feed them carbon-rich materials, allow them to accumulate PHA and then extract the polymer. The resulting material can be processed into biodegradable plastic products. PHA materials are being investigated or used for applications including: 📦 Packaging 🌱 Agricultural materials 🩹 Wound dressings 💊 Drug-delivery systems 🏥 Resorbable medical implants and sutures 🧴 Hygiene products That's one reason this research is particularly fascinating. Humanity is looking for alternatives to persistent fossil-fuel-based plastics, while microorganisms have been manufacturing biodegradable polymers naturally for an immense period of evolutionary history. ♻️ NATURE ALREADY HAD A PLASTIC CYCLE There is a beautiful biological cycle hidden inside this discovery. Microorganisms produce PHA. They store carbon and energy inside it. Animals consume microorganisms or encounter microbial material. Some animals possess enzymes capable of breaking those PHA molecules apart. The carbon can then move further through food webs. Researchers say this reveals a previously unrecognised pathway through which microbial carbon reserves can become available to animals and protists. That could make the discovery important beyond the subject of plastics. It's also about understanding how carbon moves through ecosystems. PHAs occur across marine and terrestrial environments. If animals have been accessing those microbial carbon reserves all along, scientists may have overlooked part of the carbon cycle operating around us. 🌎 BUT HERE'S WHAT THIS DISCOVERY DOES NOT MEAN This part is extremely important. 🚫 Scientists have NOT discovered that animals can suddenly eat our conventional plastic waste. 🚫 It does NOT mean earthworms can safely consume polyethylene shopping bags. 🚫 It does NOT mean starfish can clean PET bottles out of the ocean. 🚫 It does NOT mean polypropylene packaging can simply be fed to animals. The study investigated microbial storage PHAs — naturally produced biodegradable polymers. Conventional plastics such as polyethylene, polypropylene and PET have different chemical structures and environmental behaviour. So a headline saying: “Scientists discover animals can eat plastic pollution” would seriously misrepresent this research. The accurate statement is much more interesting scientifically: Researchers discovered that the ability to enzymatically break down naturally occurring microbial PHA biopolymers is far more widespread among animals than previously recognised. And there's another limitation. Scientists still don't know how important this process is at the scale of entire ecosystems. We now know the biological machinery exists in many species. Determining how much microbial PHA animals actually consume in nature — and how significantly that affects global carbon cycling — will require considerably more research. 🔬 WHY THIS DISCOVERY MATTERS For years, researchers believed microbial storage PHAs were primarily recycled by microorganisms. This research adds animals and a wider range of protists to the picture. That means a biological resource scientists thought was largely confined to microbial metabolism may actually connect microorganisms with higher levels of food webs. And perhaps the most extraordinary part is how long this may have been happening. Long before plastic factories… Long before petroleum refining… Long before humans… And potentially long before mammals walked the Earth… Microorganisms were manufacturing polymeric carbon stores. And animals may already have evolved the biological machinery necessary to unlock them. Humanity didn't invent the first “plastic.” Nature did. And nature may also have evolved ways of eating and recycling it hundreds of millions of years before we arrived. Sometimes a scientific breakthrough isn't about creating something completely new. Sometimes it's discovering that nature has been running a technology beneath our feet and beneath the ocean for an almost unimaginable amount of time. 🌍🧬 🔎 FACT CHECK & SOURCES ✅ Peer-reviewed research: Zeidler et al., Animal degradation of microbial storage polyhydroxyalkanoates, Nature Ecology & Evolution (2026) DOI: 10.1038/s41559-026-03153-8 https://t.co/ceE00EKEUQ ✅ Max Planck Society: Nature's original bioplastic is food for animals https://t.co/VWd9hAdNge ✅ ScienceDaily / Max Planck Institute for Marine Microbiology: Animals have been eating nature's original bioplastic for millions of years https://t.co/YfUJ6f47R4 FACT CHECK: Researchers identified PHADs in more than 66 animal species across nine phyla, and the peer-reviewed paper also reports PHADs in 19 protist species across three major supergroups. FACT CHECK: Experimental testing confirmed that PHAD enzymes from evolutionarily distant animals can break down microbial storage PHAs. FACT CHECK: In the dominant bacterial symbiont studied in Olavius algarvensis, storage PHAs accounted for up to 42% of cellular carbon stores. ⚠️ IMPORTANT CONTEXT: This research concerns naturally occurring microbial PHA biopolymers. It does NOT demonstrate that these animals can digest ordinary petroleum-based plastic waste such as polyethylene or polypropylene. #Science #Biology #Bioplastics #PHA #Nature #Environment #Microbiology #Research #Sustainability #Discovery

TheRiftBorn's tweet photo. 🧬 ANIMALS MAY HAVE BEEN EATING NATURE’S ORIGINAL “PLASTIC” FOR HUNDREDS OF MILLIONS OF YEARS AND SCIENTISTS HAVE ONLY JUST REALISED HOW WIDESPREAD IT IS

Long before humans produced plastic bottles, shopping bags or food packaging, microorganisms had already evolved their own remarkable plastic-like material.

It's called polyhydroxyalkanoate or PHA.

Many bacteria and archaea naturally manufacture PHAs inside their cells, where they function as stores of carbon and energy.

Think of them a little like biological batteries.

When conditions are favourable and carbon is plentiful, microorganisms can accumulate PHA. Later, when conditions change, that stored material can be broken down and used.

Scientists have known about these microbial polymers for decades.

But there was one major assumption:

Animals weren't thought to be able to directly break down these microbial PHA reserves themselves.

New research suggests that assumption was wrong.

And the discovery began with one extraordinary little worm.

🪱 MEET THE WORM THAT HELPED CHANGE THE STORY

Researchers at the Max Planck Institute for Marine Microbiology in Bremen, Germany, were studying a tiny marine worm called Olavius algarvensis.

This is already a very unusual animal.

It doesn't have a conventional digestive system.

In fact, it has no mouth or gut.

Instead, the worm has developed an extraordinary relationship with bacteria living beneath its skin.

These bacterial partners provide nutrition, and the worm digests some of its symbiotic bacteria to obtain food.

Researchers noticed something particularly interesting about one of those bacterial partners.

It stored a substantial amount of its carbon as PHA.

In the dominant symbiont examined by the researchers, storage PHAs represented up to 42% of cellular carbon stores.

That raised a fascinating question:

If the worm depends on these bacteria for nutrition, could it somehow access the energy locked inside their PHA?

The answer appears to be yes.

🔬 THE ENZYME THAT UNLOCKED THE MYSTERY

Researchers identified a PHA-degrading enzyme a polyhydroxyalkanoate depolymerase, or PHAD in the worm.

The team then went further.

Laboratory enzyme experiments and mass spectrometry confirmed that the worm's PHAD could break storage PHAs down into hydroxyalkanoate monomers.

Those smaller molecules can then enter established metabolic pathways.

Even more convincing was where the enzyme appeared.

Researchers examined where the PHAD gene was being expressed and found activity in the worm's epidermis — the same region where its bacterial symbionts are digested.

In other words, the pieces lined up.

The bacteria contain energy-rich PHA.

The worm digests those bacteria.

And the worm possesses an enzyme capable of breaking the PHA down.

But then the researchers made an even bigger discovery.

🌍 IT WASN'T JUST ONE WEIRD WORM

The scientists searched much more broadly through animal genomic information.

They identified related PHAD enzymes in more than 66 gut-bearing animal species spanning nine animal phyla.

That included animals from dramatically different branches of the tree of life.

Marine animals.

Terrestrial animals.

Worms.

Sponges.

And other distant groups.

The researchers didn't simply rely on finding genes that looked similar.

They performed functional tests on enzymes from animals separated by enormous evolutionary distances.

Enzymes from a sponge, earthworm and springtail were among those experimentally demonstrated to degrade microbial storage PHAs.

The peer-reviewed research also identified PHADs in 19 protist species belonging to three major supergroups.

That dramatically expanded the biological picture.

What initially looked like an unusual adaptation in one strange marine worm may instead represent an ancient and surprisingly widespread biological capability.

🧬 HOW OLD COULD THIS ABILITY BE?

The evolutionary distribution of these enzymes led researchers to an intriguing possibility.

Their analysis suggests that the last common ancestor of animals may already have possessed PHAD enzymes.

If that interpretation is correct, animals may have had access to microbial PHA carbon reserves for an extraordinary length of evolutionary time.

Researchers suggest animals could have been consuming nature's original bioplastic for hundreds of millions of years.

That doesn't mean scientists have fossils showing ancient animals chewing pieces of plastic.

It's an evolutionary inference based on how broadly these enzymes appear across different animal lineages.

But it potentially changes our understanding of an ancient relationship between microbes and animals.

🌱 SO WHAT EXACTLY IS PHA?

This is where the story needs an important fact check.

PHA is often called a bioplastic, and humans now manufacture PHA-based materials commercially.

But these aren't the same thing as most conventional petroleum-derived plastics polluting our environment.

PHAs are a family of naturally occurring polyesters produced by many microorganisms.

Bacteria and certain archaea manufacture them as carbon and energy reserves.

Under some conditions, microorganisms can accumulate enormous amounts of PHA — in some species, storage PHA can constitute a very large proportion of the organism's dry cellular mass.

Humans have learned to exploit this natural process.

Industrial producers can grow bacteria in fermentation systems, feed them carbon-rich materials, allow them to accumulate PHA and then extract the polymer.

The resulting material can be processed into biodegradable plastic products.

PHA materials are being investigated or used for applications including:

📦 Packaging

🌱 Agricultural materials

🩹 Wound dressings

💊 Drug-delivery systems

🏥 Resorbable medical implants and sutures

🧴 Hygiene products

That's one reason this research is particularly fascinating.

Humanity is looking for alternatives to persistent fossil-fuel-based plastics, while microorganisms have been manufacturing biodegradable polymers naturally for an immense period of evolutionary history.

♻️ NATURE ALREADY HAD A PLASTIC CYCLE

There is a beautiful biological cycle hidden inside this discovery.

Microorganisms produce PHA.

They store carbon and energy inside it.

Animals consume microorganisms or encounter microbial material.

Some animals possess enzymes capable of breaking those PHA molecules apart.

The carbon can then move further through food webs.

Researchers say this reveals a previously unrecognised pathway through which microbial carbon reserves can become available to animals and protists.

That could make the discovery important beyond the subject of plastics.

It's also about understanding how carbon moves through ecosystems.

PHAs occur across marine and terrestrial environments.

If animals have been accessing those microbial carbon reserves all along, scientists may have overlooked part of the carbon cycle operating around us.

🌎 BUT HERE'S WHAT THIS DISCOVERY DOES NOT MEAN

This part is extremely important.

🚫 Scientists have NOT discovered that animals can suddenly eat our conventional plastic waste.

🚫 It does NOT mean earthworms can safely consume polyethylene shopping bags.

🚫 It does NOT mean starfish can clean PET bottles out of the ocean.

🚫 It does NOT mean polypropylene packaging can simply be fed to animals.

The study investigated microbial storage PHAs — naturally produced biodegradable polymers.

Conventional plastics such as polyethylene, polypropylene and PET have different chemical structures and environmental behaviour.

So a headline saying:

“Scientists discover animals can eat plastic pollution”

would seriously misrepresent this research.

The accurate statement is much more interesting scientifically:

Researchers discovered that the ability to enzymatically break down naturally occurring microbial PHA biopolymers is far more widespread among animals than previously recognised.

And there's another limitation.

Scientists still don't know how important this process is at the scale of entire ecosystems.

We now know the biological machinery exists in many species.

Determining how much microbial PHA animals actually consume in nature — and how significantly that affects global carbon cycling — will require considerably more research.

🔬 WHY THIS DISCOVERY MATTERS

For years, researchers believed microbial storage PHAs were primarily recycled by microorganisms.

This research adds animals and a wider range of protists to the picture.

That means a biological resource scientists thought was largely confined to microbial metabolism may actually connect microorganisms with higher levels of food webs.

And perhaps the most extraordinary part is how long this may have been happening.

Long before plastic factories…

Long before petroleum refining…

Long before humans…

And potentially long before mammals walked the Earth…

Microorganisms were manufacturing polymeric carbon stores.

And animals may already have evolved the biological machinery necessary to unlock them.

Humanity didn't invent the first “plastic.”

Nature did.

And nature may also have evolved ways of eating and recycling it hundreds of millions of years before we arrived.

Sometimes a scientific breakthrough isn't about creating something completely new.

Sometimes it's discovering that nature has been running a technology beneath our feet and beneath the ocean for an almost unimaginable amount of time. 🌍🧬

🔎 FACT CHECK & SOURCES

✅ Peer-reviewed research:
Zeidler et al., Animal degradation of microbial storage polyhydroxyalkanoates, Nature Ecology & Evolution (2026)
DOI: 10.1038/s41559-026-03153-8
https://t.co/ceE00EKEUQ
✅ Max Planck Society:
Nature's original bioplastic is food for animals
https://t.co/VWd9hAdNge
✅ ScienceDaily / Max Planck Institute for Marine Microbiology:
Animals have been eating nature's original bioplastic for millions of years
https://t.co/YfUJ6f47R4
FACT CHECK: Researchers identified PHADs in more than 66 animal species across nine phyla, and the peer-reviewed paper also reports PHADs in 19 protist species across three major supergroups.

FACT CHECK: Experimental testing confirmed that PHAD enzymes from evolutionarily distant animals can break down microbial storage PHAs.
FACT CHECK: In the dominant bacterial symbiont studied in Olavius algarvensis, storage PHAs accounted for up to 42% of cellular carbon stores.
⚠️ IMPORTANT CONTEXT: This research concerns naturally occurring microbial PHA biopolymers. It does NOT demonstrate that these animals can digest ordinary petroleum-based plastic waste such as polyethylene or polypropylene.

#Science #Biology #Bioplastics #PHA #Nature #Environment #Microbiology #Research #Sustainability #Discovery

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6 months ago

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6 months ago

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TheRiftBorn retweeted

Yonda

@yaeunda

6 months ago

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6 months ago

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TheRiftBorn retweeted

6 months ago

🤔💪The CLARITY Act just survived a chaotic Senate markup. Full story➡️ https://t.co/i4qyCeajxB But the real fight has only started. This is no longer just about crypto trading. It is about stablecoin rewards, bank deposits, DeFi rules, political ethics, anti-money-laundering controls, and who gets to control the next layer of financial infrastructure. Banks see a threat to deposits. Crypto firms see a chance to compete. Lawmakers see a bill that could either modernise digital asset rules or create a fresh set of loopholes. The big shift is simple: crypto is moving from the edge of finance into the plumbing of money itself. That is why this fight matters. https://t.co/UBXlBycTph #Crypto #CLARITYAct #Stablecoins #Banking #Fintech #DigitalAssets #Regulation #DeFi #FOMODaily

LegitFomoDaily's tweet photo. 🤔💪The CLARITY Act just survived a chaotic Senate markup.
Full story➡️ https://t.co/i4qyCeajxB

But the real fight has only started.
This is no longer just about crypto trading.

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Crypto firms see a chance to compete.

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The big shift is simple: crypto is moving from the edge of finance into the plumbing of money itself.

That is why this fight matters.
https://t.co/UBXlBycTph

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6 months ago

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LegitFomoDaily's tweet photo. Crypto is no longer one big market, and that may be the clearest sign it is growing up
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