Length polymorphism of integrated copies of R1 and R2 retrotransposons in the German cockroach (Blattella germanica) as a potential marker for population and phylogenetic studies

Length polymorphism of integrated copies of R1 and R2 retrotransposons in the German cockroach... Using polymerase chain reaction technique with primers flanking target sites of retrotransposons R1 and R2, integrated copies of these transposable elements were amplified in various cockroach species (Blattodea). It was shown that each species has a unique pattern of “5′-truncated copies” with the definite set of amplified fragments of different lengths. Intraspecies polymorphism was revealed in analysis of German cockroach specimens obtained upon individual mating. This is the first report providing results of identifying, cloning, and sequencing extended fragments (5′-truncated copies) of Blattella germanica R1 and R2 retrotransposons. It may be assumed that patterns of 5′-truncated copies of R1 and R2 elements can be used as markers in population and phylogenetic studies. Moreover, cloned and sequenced fragments will be employed in our further studies for screening of the German cockroach genomic library in order to detect full-length copies in this class transposable elements. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Length polymorphism of integrated copies of R1 and R2 retrotransposons in the German cockroach (Blattella germanica) as a potential marker for population and phylogenetic studies

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Publisher
Springer Journals
Copyright
Copyright © 2006 by Pleiades Publishing, Inc.
Subject
Biomedicine; Microbial Genetics and Genomics; Animal Genetics and Genomics; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795406040065
Publisher site
See Article on Publisher Site

Abstract

Using polymerase chain reaction technique with primers flanking target sites of retrotransposons R1 and R2, integrated copies of these transposable elements were amplified in various cockroach species (Blattodea). It was shown that each species has a unique pattern of “5′-truncated copies” with the definite set of amplified fragments of different lengths. Intraspecies polymorphism was revealed in analysis of German cockroach specimens obtained upon individual mating. This is the first report providing results of identifying, cloning, and sequencing extended fragments (5′-truncated copies) of Blattella germanica R1 and R2 retrotransposons. It may be assumed that patterns of 5′-truncated copies of R1 and R2 elements can be used as markers in population and phylogenetic studies. Moreover, cloned and sequenced fragments will be employed in our further studies for screening of the German cockroach genomic library in order to detect full-length copies in this class transposable elements.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Apr 19, 2006

References

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