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Won Dong Lee Anna Chiara Pirona Boris Sarvin Alon Stern Keren Nevo-Dinur Elazar Besser Nikita Sarvin Shoval Lagziel Dzmitry Mukha Shachar Raz Elina Aizenshtein Tomer Shlomi 《Cell metabolism》2021,33(1):190-198.e6
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A. S. Kagramanova T. V. Kapelinskaya A. L. Korolev D. V. Mukha 《Russian Journal of Genetics》2010,46(8):924-931
Using cosmid vector, a gene library of German cockroach Blattella germanica was constructed. From this library, clones containing full-length copies of two subfamilies of R1 retroposons were selected.
Retroposons R1 of German cockroach belonging to different subfamilies were shown to be different in domain organization of
the ORF2 C-terminal region. For the first time, retroposons transmembrane domains were identified in the sequences of R1.
It was demonstrated that two retroposon R1 subfamilies of German cockroach arose as a result of intragenomic divergence rather
than via horizontal transfer of alien mobile element into cockroach genome. The differences in domain organization appeared
not as a result of saltatory recombination processes, but as a consequence of gradual mutation accumulation, which led to
either degeneration, or to domain formation. 相似文献