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Applied and Environmental Microbiology, November 2006, p. 7365-7367, Vol. 72, No. 11
0099-2240/06/$08.00+0     doi:10.1128/AEM.00889-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.

SHORT REPORT

Rapid In Situ Evolution of Nodulating Strains for Biserrula pelecinus L. through Lateral Transfer of a Symbiosis Island from the Original Mesorhizobial Inoculant{triangledown}

Kemanthi G. Nandasena,* Graham W. O'Hara, Ravi P. Tiwari, and John G. Howieson

Centre for Rhizobium Studies, Murdoch University, Perth, Western Australia, Australia

Received 14 April 2006/ Accepted 14 August 2006

Diverse rhizobia able to nodulate Biserrula pelecinus evolved following in situ transfer of nodA and nifH from an inoculant to soil bacteria. Transfer of these chromosomal genes and the presence of an identical integrase gene adjacent to a Phe tRNA gene in both the inoculant and recipients indicate that there was lateral transfer of a symbiosis island.

* Corresponding author. Mailing address: Centre for Rhizobium Studies, Murdoch University, Murdoch, Perth 6150, Western Australia, Australia. Phone: 61 8 9360 2439. Fax: 61 6 9360 6303. E-mail: kemanthi{at}murdoch.edu.au.

{triangledown} Published ahead of print on 25 August 2006.

Applied and Environmental Microbiology, November 2006, p. 7365-7367, Vol. 72, No. 11
0099-2240/06/$08.00+0     doi:10.1128/AEM.00889-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

  • Nandasena, K. G., O'Hara, G. W., Tiwari, R. P., Willems, A., Howieson, J. G. (2009). Mesorhizobium australicum sp. nov. and Mesorhizobium opportunistum sp. nov., isolated from Biserrula pelecinus L. in Australia. Int. J. Syst. Evol. Microbiol. 59: 2140-2147 [Abstract] [Full Text]  
  • Nandasena, K. G., O'Hara, G. W., Tiwari, R. P., Willlems, A., Howieson, J. G. (2007). Mesorhizobium ciceri biovar biserrulae, a novel biovar nodulating the pasture legume Biserrula pelecinus L.. Int. J. Syst. Evol. Microbiol. 57: 1041-1045 [Abstract] [Full Text]  


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