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Mycorrhizal and rhizobial colonization of genetically modified and conventional soybeans.

Powell JR, Gulden RH, Hart MM, Campbell RG, Levy-Booth DJ, Dunfield KE, Pauls KP, Swanton CJ, Trevors JT, Klironomos JN

Department of Integrative Biology, University of Guelph, Guelph, Ontario N1G 2W1, Canada. jpowell@uoguelph.ca.

We grew plants of nine soybean varieties, six of which were genetically modified to express transgenic cp4-epsps, in the presence of Bradyrhizobium japonicum and arbuscular mycorrhizal fungi. Mycorrhizal colonization and nodule abundance and mass differed among soybean varieties; however, in no case was variation significantly associated with the genetic modification.

Published 28 June 2007 in Appl Environ Microbiol, 73(13): 4365-7.
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