期刊
PLANT JOURNAL
卷 56, 期 4, 页码 562-574出版社
WILEY
DOI: 10.1111/j.1365-313X.2008.03621.x
关键词
LTR retrotransposons; chromodomain-containing Gypsy; Physcomitrella patens; mosses; phylogeny
资金
- Russian Academy of Sciences [10.4]
- [10002-251/II-25/155-270/200404-082]
Retrotransposons are the major component of plant genomes. Chromodomain-containing Gypsy long terminal repeat (LTR) retrotransposons are widely distributed in eukaryotes. Four distinct clades of chromodomain-containing Gypsy retroelements are known from the vascular plants: Reina, CRM, Galadriel and Tekay. At the same time, almost nothing is known about the repertoire of LTR retrotransposons in bryophyte genomes. We have combined a search of chromodomain-containing Gypsy retroelements in Physcomitrella genomic sequences and an experimental investigation of diverse moss species. The computer-based mining of the chromodomain-containing LTR retrotransposons allowed us to describe four different elements from Physcomitrella. Four novel clades were identified that are evolutionarily distinct from the chromodomain-containing Gypsy LTR retrotransposons of other plants.
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