生长素
细胞生物学
GTP酶
拟南芥
信号转导
跨膜蛋白
生物
细胞质
激酶
形态发生
化学
生物化学
受体
基因
突变体
作者
Tongda Xu,Ning Dai,Jisheng Chen,Shingo Nagawa,Min Cao,Hongjiang Li,Zimin Zhou,Xu Chen,Riet De Rycke,Hana Rakusová,Sheng Wang,Alan M. Jones,Jiřı́ Friml,Sara E. Patterson,Anthony B. Bleecker,Zhenbiao Yang
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2014-02-27
卷期号:343 (6174): 1025-1028
被引量:314
标识
DOI:10.1126/science.1245125
摘要
A Different Route The plant hormone auxin regulates a variety of developmental processes and responses to environmental inputs, often via changes in gene transcription. Xu et al. (p. 1025 ) analyzed a signaling pathway involving ABP1 (auxin-binding protein 1) that affects the cytoskeleton and endocytosis in Arabidopsis without changing gene transcription. Instead, ABP1 functions at the cell surface to bind auxin and a family of membrane kinases, thereby activating intracellular guanosine triphosphatases to initiate important developmental changes in cell shape.
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