title: SIRE-1, a putative plant retrovirus is closely related to a legume TY1-copia retrotransposon family.
abstract: SIRE-1 is a potential soybean retrovirus which has a gene order similar to Ty1-copia retrotransposons but also contains an envelope-like open reading frame (ORF), which is characteristic of retroviruses. PCR and Southern analysis reveals that SIRE-1 is closely related to a legume-wide family of envelope-lacking Ty1-copia group retrotransposons which suggests that SIRE-1 was formed by the recent acquisition of an envelope gene by a Ty1-copia retrotransposon.
authors.affiliation: School of Life-Sciences, Department of Biology and Environmental Science, University of Sussex, Falmer, Brighton, United Kingdom. S.R.Pearce@sussex.ac.uk
authors.forename: Stephen R
authors.initials: SR
authors.lastname: Pearce
mesh_terms: D000595:Amino Acid Sequence; D001483:Base Sequence; D015139:Blotting, Southern; D007887:Fabaceae / Q000235:genetics*; D008969:Molecular Sequence Data; D010802:Phylogeny; D010942:Plant Viruses / Q000737:chemistry / Q000235:genetics*; D018626:Retroelements / Q000235:genetics*; D012190:Retroviridae / Q000737:chemistry / Q000235:genetics*; D016914:Ribonuclease H / Q000737:chemistry; D017422:Sequence Analysis, DNA
chemical_list: D018626:Retroelements; D016914:Ribonuclease H