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Updated: Jun 14, 2026

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Plant Promoter Analysis: Identification and Characterization of Root Nodule Specific Promoter in the Common Bean
Published on: December 23, 2017
Translocation of NopP by Sinorhizobium fredii USDA257 into Vigna unguiculata root nodules
Lisa M Schechter1, Jeanette Guenther, Elizabeth A Olcay
1Department of Biology, University of Missouri-St. Louis, 1 University Boulevard, St. Louis, MO 63121, USA. schechterl@umsl.edu
Applied and Environmental Microbiology
|April 13, 2010
Abstract:
Sinorhizobium fredii is a nitrogen-fixing legume symbiont that stimulates the formation of root nodules. S. fredii nodulation of roots is influenced by Nop proteins, which are secreted through a type III secretion system (T3SS). We demonstrate that S. fredii injects NopP into Vigna unguiculata nodules in a T3SS-dependent manner.
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