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Trends Plant Sci. 2007 Jul;12(7):282-5. Epub 2007 Jun 25.

Distinct, crucial roles of flavonoids during legume nodulation.

Author information

1
Donald Danforth Plant Science Center, 975 North Warson Road, Saint Louis, MO 63132, USA.

Abstract

RNA interference-mediated silencing of the key flavonoid and isoflavone biosynthesis enzyme, respectively, by two different research groups has provided direct genetic evidence for the essential roles that these compounds play in nodulation. Anton Wasson et al. have shown that flavonoids are essential for localized auxin transport inhibition during nodulation in the indeterminate legume Medicago truncatula. By contrast, Senthil Subramanian et al. have shown that isoflavones are essential for endogenous nod gene induction in the determinate legume soybean.

PMID:
17591456
DOI:
10.1016/j.tplants.2007.06.006
[Indexed for MEDLINE]

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