Article
Medicago-Sinorhizobium symbiotic specificity evolution and the geographic expansion of Medicago.
Journal of evolutionary biology - 1 Nov 2005
Béna G, Lyet A, Huguet T, Olivieri I
Abstract excerpt
The legume genus Medicago interacts with soil bacteria commonly referred to as rhizobia, in a nitrogen fixing symbiosis. We analysed the diversity of symbiotic association specificity among the two organisms, and its evolution in the plant genus. Nitrogen fixation tests and molecular phylogenetic reconstructions revealed that the genus Medicago includes more symbiotic specificity groups than previously suggested...
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