作者
Wei Liu, Wouter Kohlen, Alessandra Lillo, Rik Op den Camp, Sergey Ivanov, Marijke Hartog, Erik Limpens, Muhammad Jamil, Cezary Smaczniak, Kerstin Kaufmann, Wei-Cai Yang, Guido JEJ Hooiveld, Tatsiana Charnikhova, Harro J Bouwmeester, Ton Bisseling, René Geurts
发表日期
2011/10/1
期刊
The Plant Cell
卷号
23
期号
10
页码范围
3853-3865
出版商
American Society of Plant Biologists
简介
Legume GRAS (GAI, RGA, SCR)-type transcription factors NODULATION SIGNALING PATHWAY1 (NSP1) and NSP2 are essential for rhizobium Nod factor-induced nodulation. Both proteins are considered to be Nod factor response factors regulating gene expression after symbiotic signaling. However, legume NSP1 and NSP2 can be functionally replaced by nonlegume orthologs, including rice (Oryza sativa) NSP1 and NSP2, indicating that both proteins are functionally conserved in higher plants. Here, we show that NSP1 and NSP2 are indispensable for strigolactone (SL) biosynthesis in the legume Medicago truncatula and in rice. Mutant nsp1 plants do not produce SLs, whereas in M. truncatula, NSP2 is essential for conversion of orobanchol into didehydro-orobanchol, which is the main SL produced by this species. The disturbed SL biosynthesis in nsp1 nsp2 mutant backgrounds correlates with reduced …
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W Liu, W Kohlen, A Lillo, R Op den Camp, S Ivanov… - The Plant Cell, 2011