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Updated: Aug 14, 2026

Plant Promoter Analysis: Identification and Characterization of Root Nodule Specific Promoter in the Common Bean
Published on: December 23, 2017
Genetic Analysis of Rhizobium leguminosarum bv. Phaseoli Mutants Defective in Nodulation and Nodulation Suppression
M L George1, F M Robert, D Borthakur
1Biotechnology Program and Department of Microbiology, University of Hawaii, 3050 Maile Way-Gilmore 410, Honolulu, Hawaii 96822.
Abstract:
Nodulation-defective rhizobia and their nodule-forming derivatives containing cloned DNA from the wild type were used to study nodulation suppression in Phaseolus vulgaris L. Non-nitrogen-fixing derivatives which formed rhizobia-containing white nodules induced partial suppression. Comparison of this with the complete suppression by Fix derivatives and a Fix mutant which formed rhizobia-containing pink nodules suggests that the extent of suppression may be related to successive stages of nodule development.
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