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Article

RING-box proteins regulate leaf senescence and stomatal closure via repression of ABA transporter gene ABCG40.

Journal of integrative plant biology - 1 May 2022

Wei Yun Qi, Yuan Jun Jie, Xiao Chen Chen, Li Gui Xin, Yan Jing Ying, Zheng Shao Jian, Ding Zhong Jie

Abstract excerpt

Plant hormone abscisic acid (ABA) plays an indispensable role in the control of leaf senescence, during which ABA signaling depends on its biosynthesis. Nevertheless, the role of ABA transport in leaf senescence remains unknown. Here, we identified two novel RING-box protein-encoding genes UBIQUITIN LIGASE of SENESCENCE 1 and 2 (ULS1 and ULS2) involved in leaf senescence. Lack of ULS1 and ULS2 accelerates leaf...

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PMID: 35274464
DOI: 10.1111/jipb.13247

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