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 Previous Article

Journal of Bacteriology, January 2008, p. 777-779, Vol. 190, No. 2
0021-9193/08/$08.00+0     doi:10.1128/JB.01082-07
Copyright © 2008, American Society for Microbiology. All Rights Reserved.

Extensive Proliferation of Transposable Elements in Heritable Bacterial Symbionts{triangledown} ,{dagger}

Gordon R. Plague,1,2* Helen E. Dunbar,1 Phat L. Tran,1 and Nancy A. Moran1

Department of Ecology and Evolutionary Biology and Center for Insect Science, University of Arizona, Tucson, Arizona 85721,1 Louis Calder Center, Biological Field Station, Department of Biological Sciences, Fordham University, Armonk, New York 105042

Received 9 July 2007/ Accepted 24 October 2007

We found that insertion sequence (IS) elements are unusually abundant in the relatively recently evolved bacterial endosymbionts of maize weevils. Because multicopy elements can facilitate genomic recombination and deletion, this IS expansion may represent an early stage in the genomic reduction that is common in most ancient endosymbionts.


* 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 2 November 2007.

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


Journal of Bacteriology, January 2008, p. 777-779, Vol. 190, No. 2
0021-9193/08/$08.00+0     doi:10.1128/JB.01082-07
Copyright © 2008, American Society for Microbiology. All Rights Reserved.




This article has been cited by other articles:

  • Dougherty, K. M., Plague, G. R. (2008). Transposable Element Loads in a Bacterial Symbiont of Weevils Are Extremely Variable. Appl. Environ. Microbiol. 74: 7832-7834 [Abstract] [Full Text]  
  • Cordaux, R., Pichon, S., Ling, A., Perez, P., Delaunay, C., Vavre, F., Bouchon, D., Greve, P. (2008). Intense Transpositional Activity of Insertion Sequences in an Ancient Obligate Endosymbiont. Mol Biol Evol 25: 1889-1896 [Abstract] [Full Text]