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Article

Large-scale genetic variation of the symbiosis-required megaplasmid pSymA revealed by comparative genomic analysis of Sinorhizobium meliloti natural strains.

BMC genomics - 10 Nov 2005

Giuntini Elisa, Mengoni Alessio, De Filippo Carlotta, Cavalieri Duccio, Aubin-Horth Nadia, Landry Christian R, Becker Anke, Bazzicalupo Marco

Abstract excerpt

BACKGROUND: Sinorhizobium meliloti is a soil bacterium that forms nitrogen-fixing nodules on the roots of leguminous plants such as alfalfa (Medicago sativa). This species occupies different ecological niches, being present as a free-living soil bacterium and as a symbiont of plant root nodules. The genome of the type strain Rm 1021 contains one chromosome and two megaplasmids for a total genome size of 6 Mb. We...

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PMID: 16283928
DOI: 10.1186/1471-2164-6-158
PMCID: PMC1298293

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

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