Diversity and evolution of LTR retrotransposons in the genome of Phanerochaete chrysosporium (Fungi: Basidiomycota)

Diversity and evolution of LTR retrotransposons in the genome of Phanerochaete chrysosporium... The diversity of mobile elements, in particular LTR retrotransposons, in basidiomycetes fungi has been poorly studied. The genome of the lignin-degrading fungus Phanerochaete chrysosporium was screened for LTR retrotransposons. A surprisingly high diversity of LTR retrotransposons was found. Twenty-three novel mobile elements from two superfamilies, Pseudoviridae and Metaviridae, were described. The proportion of LTR retrotransposons in the P. chrysosporium genome is low, constituting only about 3%. Nevertheless, LTR retrotransposons of P. chrysosporium represent a dynamic part of the genome, which is evidenced by the presence of intact copies with signs of recent transposition and numerous solo LTR elements. Phylogenetic and structural analyses detected mobile elements having characteristics that had been previously unknown for other LTR retrotransposons. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Diversity and evolution of LTR retrotransposons in the genome of Phanerochaete chrysosporium (Fungi: Basidiomycota)

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2010 by Pleiades Publishing, Ltd.
Subject
Biomedicine; Microbial Genetics and Genomics; Animal Genetics and Genomics; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795410060013
Publisher site
See Article on Publisher Site

Abstract

The diversity of mobile elements, in particular LTR retrotransposons, in basidiomycetes fungi has been poorly studied. The genome of the lignin-degrading fungus Phanerochaete chrysosporium was screened for LTR retrotransposons. A surprisingly high diversity of LTR retrotransposons was found. Twenty-three novel mobile elements from two superfamilies, Pseudoviridae and Metaviridae, were described. The proportion of LTR retrotransposons in the P. chrysosporium genome is low, constituting only about 3%. Nevertheless, LTR retrotransposons of P. chrysosporium represent a dynamic part of the genome, which is evidenced by the presence of intact copies with signs of recent transposition and numerous solo LTR elements. Phylogenetic and structural analyses detected mobile elements having characteristics that had been previously unknown for other LTR retrotransposons.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Jun 23, 2010

References

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