alexa Ty1-copia group retrotransposons and the evolution of retroelements in several angiosperm plants: evidence of horizontal transmission.
Genetics & Molecular Biology

Genetics & Molecular Biology

Hereditary Genetics: Current Research

Author(s): Woodrow P, Ciarmiello LF, Fantaccione S, Annunziata MG, Pontecorvo G, , Woodrow P, Ciarmiello LF, Fantaccione S, Annunziata MG, Pontecorvo G, , Woodrow P, Ciarmiello LF, Fantaccione S, Annunziata MG, Pontecorvo G, , Woodrow P, Ciarmiello LF, Fantaccione S, Annunziata MG, Pontecorvo G,

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Abstract The phylogenetic relationships among thirty-seven new Ty1-copia group retrotransposons in seven angiosperm plants were examined by reverse transcriptase and ribonuclease H sequence analysis. Distribution pattern of the retrotransposons of closely related plant species generally reflects a close phylogenetic relationship. In contrast, we found that several retrotransposon sequences from the same genome exhibited a high degree of divergence and had a relatively high degree of identity versus retrotransposon sequences from widely divergent species, including an ancestral phytopathogen fungus. This finding supports the hypothesis that the horizontal transmission from phytopatogen organism to the host flowering plants could have played a role in the evolutionary dynamics of Ty1-copia group retrotransposons.
This article was published in Bioinformation and referenced in Hereditary Genetics: Current Research

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