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https://hdl.handle.net/2440/27935
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Type: | Journal article |
Title: | Genetic relationships among rhizopine-producing Rhizobium strains |
Author: | Wexler, Margaret Gordon, David M. Murphy, Peter J. |
Citation: | Microbiology, 1996; 142(5):1059-1066 |
Publisher: | Society for General Microbiology |
Issue Date: | 1996 |
ISSN: | 1350-0872 |
School/Discipline: | School of Agriculture, Food and Wine : Plant and Food Science |
Statement of Responsibility: | M. Wexler, D. M. Gordon and P. J. Murphy |
Abstract: | Chromosomal and symbiosis-related genotypes of rhizopine-producing and non-producing isolates of Rhizobium meliloti and Rhizobium leguminosarum were examined by multilocus enzyme electrophoresis and RFLP. The distribution of rhizopine production in both species was found to be independent of host genotype. Conversely, rhizopine production was associated with particular symbiotic plasmid types. This association may explain the observed distribution of rhizopine production in R. leguminosarum and R. meliloti. Rhizopine synthesis (mos) genes showed greater sequence divergence than rhizopine catabolism (moc) genes in both R. meliloti and R. leguminosarum. Furthermore, mos and moc genes were less divergent in R. leguminosarum than R. meliloti, suggesting a more recent evolution in the former species. |
Keywords: | rhizopine; rhizobia; restriction fragment length polymorphisms (RFLP); multilocus enzyme electrophoresis (MLEE) |
Rights: | © 1996 Society for General Microbiology |
DOI: | 10.1099/13500872-142-5-1059 |
Appears in Collections: | Agriculture, Food and Wine publications |
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