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Applied and Environmental Microbiology, August 2007, p. 5066-5070, Vol. 73, No. 15
0099-2240/07/$08.00+0     doi:10.1128/AEM.00613-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

Genetic Diversity of Rhizobia Associated with Acacia longifolia in Two Stages of Invasion of Coastal Sand Dunes{triangledown}

Susana Rodríguez-Echeverría,* João A. Crisóstomo, and Helena Freitas

Center for Functional Ecology, Department of Botany, University of Coimbra, 3000-455 Coimbra, Portugal

Received 18 March 2007/ Accepted 29 May 2007

We examined the genetic diversity of root nodule bacteria associated with the Australian legume Acacia longifolia in two stages of invasion of a coastal sand dune system. All isolates belonged to the genus Bradyrhizobium. A higher diversity was found in the long-established trees. The results suggest the introduction of exotic bradyrhizobia with the plant.

* Corresponding author. Mailing address: Center for Functional Ecology, Department of Botany, University of Coimbra, 3000-455 Coimbra, Portugal. Phone: 351 239855244. Fax: 351 239855211. E-mail: susanare{at}ci.uc.pt

{triangledown} Published ahead of print on 1 June 2007.

Applied and Environmental Microbiology, August 2007, p. 5066-5070, Vol. 73, No. 15
0099-2240/07/$08.00+0     doi:10.1128/AEM.00613-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.





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