Extensive Proliferation of Transposable Elements in Heritable Bacterial Symbionts
- 15 January 2008
- journal article
- Published by American Society for Microbiology in Journal of Bacteriology
- Vol. 190 (2) , 777-779
- https://doi.org/10.1128/jb.01082-07
Abstract
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.Keywords
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