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Applied and Environmental Microbiology, December 2008, p. 7832-7834, Vol. 74, No. 24
0099-2240/08/$08.00+0     doi:10.1128/AEM.01049-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.

Transposable Element Loads in a Bacterial Symbiont of Weevils Are Extremely Variable{triangledown} ,{dagger} ,{ddagger}

Kevin M. Dougherty and Gordon R. Plague*

Louis Calder Center—Biological Field Station, Department of Biological Sciences, Fordham University, P.O. Box 887, Armonk, New York 10504

Received 9 May 2008/ Accepted 21 October 2008

Not only are transposable elements profuse in the bacterial endosymbiont of maize weevils, but we found that their quantities also vary ~10-fold among individual weevils. Because multicopy elements can facilitate homologous recombination, this insertion sequence (IS) load variability suggests that these essentially asexual bacteria may exhibit substantial intraspecific genomic variation.

* Corresponding author. Mailing address: Louis Calder Center, Fordham University, P.O. Box 887, Armonk, NY 10504. Phone: (914) 273-3078, ext. 20. Fax: (914) 273-2167. E-mail: plague{at}fordham.edu

{triangledown} Published ahead of print on 24 October 2008.

{dagger} Supplemental material for this article may be found at http://aem.asm.org/.

{ddagger} Contribution no. 239 of the Louis Calder Center—Biological Field Station, Fordham University.

Applied and Environmental Microbiology, December 2008, p. 7832-7834, Vol. 74, No. 24
0099-2240/08/$08.00+0     doi:10.1128/AEM.01049-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.





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