Genome diversity at the phe-tRNA locus in a field population of mesorhizobia.

Ronson, Clive W.; Sullivan, J; Wijkstra, G. S.; Carlton, Timothy M.; Muirhead, Kevin; Trzebiatowski, Jodi R.; Gouzy, Jérôme; Bruijn, Frans J. de

doi:10.1079/9780851995915.0066

Cited by 2 publications

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“…One of these elements, ICE Ml Adh R88B , encoded an adhesin and tra genes required for mobilization in trans by another conjugative element. The other was a region containing fhu genes involved in iron acquisition that was found to be one of three genomic regions required for utilization of the siderophore ferrichrome [ 6 ].…”

Section: Discussionmentioning

confidence: 99%

“…ICE Ml adh R88B also encoded an integrase, excisionase and traACD genes, indicating that the element is likely mobilizable by self-conjugative elements such as ICE Ml Sym R7A . The discovery of ICE Ml adh R88B showed that genomic islands can integrate in tandem at the phe-tRNA locus and also indicated that mesorhizobia may gain adaptive traits by acquisition of integrated genomic islands rather than plasmids [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

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Genome sequence of the Lotus corniculatus microsymbiont Mesorhizobium loti strain R88B

Reeve

Sullivan

Ronson

et al. 2014

Stand in Genomic Sci

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Mesorhizobium loti strain R88B was isolated in 1993 in the Rocklands range in Otago, New Zealand from a Lotus corniculatus root nodule. R88B is an aerobic, Gram-negative, non-spore-forming rod. This report reveals the genome of M. loti strain R88B contains a single scaffold of size 7,195,110 bp which encodes 6,950 protein-coding genes and 66 RNA-only encoding genes. This genome does not harbor any plasmids but contains the integrative and conjugative element ICEMlSymR7A, also known as the R7A symbiosis island, acquired by horizontal gene transfer in the field environment from M. loti strain R7A. It also contains a mobilizable genetic element ICEMladhR88B, that encodes a likely adhesin gene which has integrated downstream of ICEMlSymR7A, and three acquired loci that together allow the utilization of the siderophore ferrichrome. This rhizobial genome is one of 100 sequenced as part of the DOE Joint Genome Institute 2010 Genomic Encyclopedia for Bacteria and Archaea-Root Nodule Bacteria (GEBA-RNB) project.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%