Top Tweets for #LightSituation

15 days ago

Please read my science communication about plant cells and their flexible abilities to #arrange their #chloroplasts fitting to the corresponding position of the #sun and the #lightsituation. Also note the linked work for further reading and watch the linked fast motion video. © #StefanFWirth Berlin, June 2026 Please support my freelance science writing activities, as I regularly need to struggle to get over the months: https://t.co/4nN4eRHB6I #Illustration: © StefanFWirth, AI assisted artistic illustration, based on my hand-drawn sketches, manually edited and modified, June 2026, Berlin: A non specified #plantcell with chloroplasts arranged along the cell wall

wirthstef's tweet photo. Please read my science communication about plant cells and their flexible abilities to #arrange their #chloroplasts fitting to the corresponding position of the #sun and the #lightsituation. Also note the linked work for further reading and watch the linked fast motion video.
© #StefanFWirth Berlin, June 2026

Please support my freelance science writing activities, as I regularly need to struggle to get over the months:
https://t.co/4nN4eRHB6I

#Illustration:
© StefanFWirth, AI assisted artistic illustration, based on my hand-drawn sketches, manually edited and modified, June 2026, Berlin:
A non specified #plantcell with chloroplasts arranged along the cell wall

Stefan F. Wirth

@wirthstef

2 months ago

A seemingly simple and sensible #principle is actually a complex problem: how do I, as a plant cell with limited spatial resources, manage to rearrange my interior flexibly and quickly #adapting to a current situation? A serious challenge for the cell, which depends on energetic efficiency despite of the harming aspects of being exposed to #solarradiation. #Chloroplasts—organelles responsible for #photosynthesis—must be oriented in such a way that, under favorable light conditions, they distribute themselves within the cell to generate the maximum amount of energy through photosynthesis; however, when exposed to harmful excessive #sunlight, they must position themselves near the cell membrane to ensure optimal protection against damaging levels of #UVradiation. Researchers N. Schramma et al. (2026) investigated the aquatic plant #Elodea #densa (Hydrocharitaceae) to examine the active mechanism it employs to reorganize its #discshaped chloroplasts. Utilizing live-cell #microscopy in conjunction with #computersimulations, the authors were able to demonstrate that the flexible dynamics of the chloroplasts can be attributed to the fundamental principles of #discpacking #physics. This text Stefan F. Wirth, May 2026, Berlin Reference: N. Schramma et al. (2026) : https://t.co/r0kQ401mpo

203

over 10 years ago

#LightSituation #BBB #BlakkBottleBoys🍾 @chasinchicken_ bradgz__ https://t.co/9dmO3b5OUK

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