Multiple light signaling pathways control solar tracking in sunflowers. [PDF]
PLoS Biology, 2023 Sunflowers are famous for their ability to track the sun throughout the day and then reorient at night to face east the following morning. This occurs by differential growth patterns, with the east sides of stems growing more during the day and the west ...
Christopher J Brooks +2 more
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Hydrogen peroxide mediates high-intensity blue light-induced hypocotyl phototropism of cotton seedlings [PDF]
Stress Biology, 2023 Phototropism is a classic adaptive growth response that helps plants to enhance light capture for photosynthesis. It was shown that hydrogen peroxide (H2O2) participates in the regulation of blue light-induced hypocotyl phototropism; however, the ...
Qian-yi Lv +7 more
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Light-triggered and phosphorylation-dependent 14-3-3 association with NON-PHOTOTROPIC HYPOCOTYL 3 is required for hypocotyl phototropism [PDF]
Nature Communications, 2021 NPH3 is required for auxin-dependent plant phototropism. Here Reuter et al. show that NPH3 is a plasma membrane-bound phospholipid-binding protein and that in response to blue light, NPH3 is phosphorylated and associates with 14-3-3 proteins which leads ...
Lea Reuter +7 more
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Early Flowering 3 (ELF3) Inhibits Hypocotyl Phototropism in Light‐Grown Arabidopsis Seedlings [PDF]
Plant DirectPhototropic bending of plants towards a light source allows them to position their photosynthetic tissues to optimize light capture. In light‐grown (de‐etiolated) Arabidopsis seedlings, phototropic bending of the hypocotyl is inhibited by light with a ...
Geoffrey M. C. Cobb +5 more
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PHOTOTROPISM IN YOUNG RATS [PDF]
Journal of General Physiology, 1927 Before the eyelids have opened young rats are negatively heliotropic. They behave very much as does the larva of the blow-fly. The angle of orientation by lights opposed at 180° may be calculated by an equation based upon the elementary requirement of phototropism, namely that orientation is attained when the illumination of bilaterally disposed ...
W J, Crozier, G, Pincus
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The action of enhancing weak light capture via phototropic growth and chloroplast movement in plants [PDF]
Stress Biology, 2022 To cope with fluctuating light conditions, terrestrial plants have evolved precise regulation mechanisms to help optimize light capture and increase photosynthetic efficiency.
Guang-yuan Xin +5 more
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Don’t be MIZguided, know where to grow! [PDF]
Communications BiologyPlant organs shift their directional growth in response to environmental stimuli through tropisms. Arabidopsis roots exhibit positive hydrotropism (towards water) and negative phototropism (away from light).
Hannah Vahldick
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A Portable Photocollector for the Field Collection of Insects in Biodiversity Assessment [PDF]
InsectsArthropod biodiversity research usually requires large sample collections. The efficient handling of these samples has always been a critical bottleneck.
Behnam Motamedinia +6 more
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PHOTOTROPISM OF DIXIPPUS MOROSUS [PDF]
Journal of General Physiology, 1928 1. Local differences in the effects of stimulation of parts of the eye by light are expressed in Dixippus morosus by differential circus movements. 2. The angle of inclination of the body axis toward one source of light when the animal is on a vertical plane with light from one side is inversely proportional to the logarithm of the ...
Noriko Yagi
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Flower movement induced by weather-dependent tropism satisfies attraction and protection [PDF]
Nature CommunicationsFlowers have antagonistic demands for reproductive success, that is, pollinator attraction and flower protection. However, how flowers accommodate these antagonistic reproductive demands has not been thoroughly analysed.
Akari Shibata +4 more
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