Phylogenetic evidence for Ty1-copia-like endogenous retroviruses in plant genomes

  title={Phylogenetic evidence for Ty1-copia-like endogenous retroviruses in plant genomes},
  author={Howard M. Laten},
SIRE-1 is a multi-copy, Ty1-copia-like retroelement family found in the genome of Glycine max. A sequenced SIRE-1 genomic copy has an uninterrupted ORF that can be translated into a gag-pol polyprotein, followed by an unprecedented second ORF whose conceptual translation yielded a theoretical protein predicted to possess many of the same secondary structural elements found in mammalian retroviral envelope proteins. Similar, but clearly pseudogenic, envelope-like sequences were recovered from… CONTINUE READING


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