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Article

The common nodulation genes of Astragalus sinicus rhizobia are conserved despite chromosomal diversity.

Applied and environmental microbiology - 1 Jul 2000

Zhang X X, Turner S L, Guo X W, Yang H J, Debellé F, Yang G P, Dénarié J, Young J P, Li F D

Abstract excerpt

The nodulation genes of Mesorhizobium sp. (Astragalus sinicus) strain 7653R were cloned by functional complementation of Sinorhizobium meliloti nod mutants. The common nod genes, nodD, nodA, and nodBC, were identified by heterologous hybridization and sequence analysis. The nodA gene was found to be separated from nodBC by approximately 22 kb and was divergently transcribed. The 2. 0-kb nodDBC region was...

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Identifiers

PMID: 10877796
DOI: 10.1128/AEM.66.7.2988-2995.2000
PMCID: PMC92101

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