How light and epigenetics cooperate to regulate plant growth
A research team led by Prof. Cao Xiaofeng at the Institute of Genetics and Developmental Biology (IGDB) of the Chinese Academy of Sciences (CAS) has uncovered the cooperative roles of photoreceptors, epigenetic modifiers, and transcription factors in regulating light-responsive genes in plants.
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#plants use scaffold proteins to regulate
#hypocotyl elongation, ensuring proper skoto- and photo
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#JIPB paper by Fu et al.
https://doi.org/10.1111/jipb.13651 @wileyplantsci #PlantSci #Botany#Plants use air channels to create a directional light signal https://phys.org/news/2023-11-air-channels-phototropism.html
Air channels create a directional light signal to regulate #hypocotyl #phototropism https://www.science.org/doi/10.1126/science.adh9384
"light-sensitive #plant #tissue uses the optical properties of the interface between air and water to generate a light gradient that is 'visible' to the plant... The plant can then determine the origin of the light source."
Study shows plants use air channels to create a directional light signal and regulate phototropism
Plants have no visual organs, so how do they know where light comes from? In an original study combining expertise in biology and engineering, the team led by Prof Christian Fankhauser at UNIL, in collaboration with colleagues at EPFL, has uncovered that a light-sensitive plant tissue uses the optical properties of the interface between air and water to generate a light gradient that is "visible" to the plant. These results have been published in the journal Science.
Phytochrome-interacting factor PIF3 integrates phytochrome B and UV-B signaling pathways to regulate gibberellin- and auxin-dependent growth in cucumber hypocotyls
Cucumber phytochrome-interacting factor PIF3 physically interacts with both the photoreceptors phytochrome B and UV-B resistance 8, thereby connecting the red/f
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Journal of Experimental Botany