Transposable Element Loads in a Bacterial Symbiont of Weevils Are Extremely Variable
Author(s) -
Kevin Dougherty,
Gordon R. Plague
Publication year - 2008
Publication title -
applied and environmental microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.552
H-Index - 324
eISSN - 1070-6291
pISSN - 0099-2240
DOI - 10.1128/aem.01049-08
Subject(s) - transposable element , biology , intraspecific competition , bacteria , homologous chromosome , homologous recombination , genetics , recombination , evolutionary biology , genome , gene , zoology
Not only are transposable elements profuse in the bacterial endosymbiont of maize weevils, but we found that their quantities also vary approximately 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.
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