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Tos17 rice element: incomplete but effective.


ABSTRACT: BACKGROUND:Tos17 was the first LTR retrotransposon (Copia) described as active in cultivated rice, and is present in two copies in the genome of the sequenced Nipponbare variety. Only the chromosome 7 copy is active and able to retrotranspose, at least during in vitro culture, and this ability was widely used in insertional mutagenesis assays. RESULTS:Here the structure of the active Tos17 was thoroughly annotated using a set of bioinformatic analyses. CONCLUSIONS:Unexpectedly, Tos17 appears to be a non-autonomous LTR retrotransposon, lacking the gag sequence and thus unable to transpose by itself.

SUBMITTER: Sabot F 

PROVIDER: S-EPMC3977881 | biostudies-literature | 2014 Apr

REPOSITORIES: biostudies-literature

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Tos17 rice element: incomplete but effective.

Sabot Francois F  

Mobile DNA 20140401 1


<h4>Background</h4>Tos17 was the first LTR retrotransposon (Copia) described as active in cultivated rice, and is present in two copies in the genome of the sequenced Nipponbare variety. Only the chromosome 7 copy is active and able to retrotranspose, at least during in vitro culture, and this ability was widely used in insertional mutagenesis assays.<h4>Results</h4>Here the structure of the active Tos17 was thoroughly annotated using a set of bioinformatic analyses.<h4>Conclusions</h4>Unexpecte  ...[more]

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