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Applied and Environmental Microbiology, September 2007, p. 5687-5691, Vol. 73, No. 17
0099-2240/07/$08.00+0 doi:10.1128/AEM.01413-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

Department of Biological Sciences, State University of New York, Binghamton, New York 13902
Received 25 June 2007/ Accepted 28 June 2007
Phylogenetic analysis of rRNA gene, recA, nodA, nifD, and nifH sequences suggested that nitrogen-fixing symbionts from two populations of Lupinus texensis acquired the capacity for nodule symbiosis separately from other rhizobia in the alphaproteobacteria. Their closest 16S rRNA relatives were the nonsymbiotic taxa Chelatococcus, Bosea, and Balneomonas.
Published ahead of print on 6 July 2007.
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