TRANSPARENT TESTA GLABRA1 regulates high-intensity blue light-induced phototropism by reducing CRYPTOCHROME1 levels.

doi:10.1093/plphys/kiae322

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Article

TRANSPARENT TESTA GLABRA1 regulates high-intensity blue light-induced phototropism by reducing CRYPTOCHROME1 levels.

Plant physiology - 1 Oct 2024

Wang Yu-Xi, Zhao Qing-Ping, Zhu Jin-Dong, Chu Fang-Yuan, Fu Xiang-Lin, Li Xing-Kun, Ding Mei-Chen, Liu Yan-Fei, Wu Qi-Qi, Xue Lin-Lin, Xin Guang-Yuan, Zhao Xiang

Abstract excerpt

The asymmetrical distribution of auxin supports high intensity blue light (HBL)-mediated phototropism. Flavonoids, secondary metabolites induced by blue light and TRANSPARENT TESTA GLABRA1 (TTG1), alter auxin transport. However, the role of TTG1 in HBL-induced phototropism in Arabidopsis (Arabidopsis thaliana) remains unclear. We found that TTG1 regulates HBL-mediated phototropism. HBL-induced degradation of...

Topics

Cryptochromes
Arabidopsis
Arabidopsis Proteins
Light
Phototropism
Gene Expression Regulation, Plant
Indoleacetic Acids
Mutation
Plants, Genetically Modified
Blue Light

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PMID: 38833579
DOI: 10.1093/plphys/kiae322

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