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Evolutionary History of LTR Retrotransposon Chromodomains in Plants

Chromodomain-containing LTR retrotransposons are one of the most successful groups of mobile elements in plant genomes. Previously, we demonstrated that two types of chromodomains (CHDs) are carried by plant LTR retrotransposons. Chromodomains from group I (CHD_I) were detected only in Tcn1-like LTR...

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Autores principales: Novikov, Anton, Smyshlyaev, Georgiy, Novikova, Olga
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Hindawi Publishing Corporation 2012
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3350952/
https://www.ncbi.nlm.nih.gov/pubmed/22611377
http://dx.doi.org/10.1155/2012/874743
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author Novikov, Anton
Smyshlyaev, Georgiy
Novikova, Olga
author_facet Novikov, Anton
Smyshlyaev, Georgiy
Novikova, Olga
author_sort Novikov, Anton
collection PubMed
description Chromodomain-containing LTR retrotransposons are one of the most successful groups of mobile elements in plant genomes. Previously, we demonstrated that two types of chromodomains (CHDs) are carried by plant LTR retrotransposons. Chromodomains from group I (CHD_I) were detected only in Tcn1-like LTR retrotransposons from nonseed plants such as mosses (including the model moss species Physcomitrella) and lycophytes (the Selaginella species). LTR retrotransposon chromodomains from group II (CHD_II) have been described from a wide range of higher plants. In the present study, we performed computer-based mining of plant LTR retrotransposon CHDs from diverse plants with an emphasis on spike-moss Selaginella. Our extended comparative and phylogenetic analysis demonstrated that two types of CHDs are present only in the Selaginella genome, which puts this species in a unique position among plants. It appears that a transition from CHD_I to CHD_II and further diversification occurred in the evolutionary history of plant LTR retrotransposons at approximately 400 MYA and most probably was associated with the evolution of chromatin organization.
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spelling pubmed-33509522012-05-18 Evolutionary History of LTR Retrotransposon Chromodomains in Plants Novikov, Anton Smyshlyaev, Georgiy Novikova, Olga Int J Plant Genomics Research Article Chromodomain-containing LTR retrotransposons are one of the most successful groups of mobile elements in plant genomes. Previously, we demonstrated that two types of chromodomains (CHDs) are carried by plant LTR retrotransposons. Chromodomains from group I (CHD_I) were detected only in Tcn1-like LTR retrotransposons from nonseed plants such as mosses (including the model moss species Physcomitrella) and lycophytes (the Selaginella species). LTR retrotransposon chromodomains from group II (CHD_II) have been described from a wide range of higher plants. In the present study, we performed computer-based mining of plant LTR retrotransposon CHDs from diverse plants with an emphasis on spike-moss Selaginella. Our extended comparative and phylogenetic analysis demonstrated that two types of CHDs are present only in the Selaginella genome, which puts this species in a unique position among plants. It appears that a transition from CHD_I to CHD_II and further diversification occurred in the evolutionary history of plant LTR retrotransposons at approximately 400 MYA and most probably was associated with the evolution of chromatin organization. Hindawi Publishing Corporation 2012 2012-04-29 /pmc/articles/PMC3350952/ /pubmed/22611377 http://dx.doi.org/10.1155/2012/874743 Text en Copyright © 2012 Anton Novikov et al. https://creativecommons.org/licenses/by/3.0/ This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Article
Novikov, Anton
Smyshlyaev, Georgiy
Novikova, Olga
Evolutionary History of LTR Retrotransposon Chromodomains in Plants
title Evolutionary History of LTR Retrotransposon Chromodomains in Plants
title_full Evolutionary History of LTR Retrotransposon Chromodomains in Plants
title_fullStr Evolutionary History of LTR Retrotransposon Chromodomains in Plants
title_full_unstemmed Evolutionary History of LTR Retrotransposon Chromodomains in Plants
title_short Evolutionary History of LTR Retrotransposon Chromodomains in Plants
title_sort evolutionary history of ltr retrotransposon chromodomains in plants
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3350952/
https://www.ncbi.nlm.nih.gov/pubmed/22611377
http://dx.doi.org/10.1155/2012/874743
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