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Reference
Author An, Gynheung
Title Identification of Active Transposon dTok, a Member of the hAT Family, in Rice.
Abstract:
Recent completion of the sequencing of the rice genome has revealed that it contains >40% repetitive sequences, most of which are related to inactive transposable elements. During the molecular analysis of the floral organ number 1/multiple pistil 2 (fon1/mp2) mutant, we identified an active transposable element dTok0 that was inserted at the kinase domain of FON1, a homolog of CLAVATA1. Insertion of the element into FON1 generated an 8 bp duplication of its target sites, which is one of the major characteristics of the hAT family of transposons. The dTok0 element was actively transposed out of the FON1 gene, leaving 5-8 bp footprints. Reinsertion into a new location was observed at a low frequency. Analysis of the genome sequence showed that the rice cultivar 'Nipponbare' contains 25 copies of dTok elements; similar numbers were present in all the Oryza species examined. Because dTok0 does not encode a transposase, enzyme activity should be provided in trans. We identified a putative autonomous transposon, Tok1 that contains an intact open reading frame of the Ac-like transposase.
Journal Plant Cell Physiol.
Country South Korea
Volume 47(11)
Pages 1473-1483
Year 2006
PubMed ID 16990289
PubMed Central ID -
DOI 10.1093/pcp/pcl012
URL -
Relation
Gene DTOK0 FON1 MP2
INSD BK005879 BK005880 BK005881 BK005882 BK005883 BK005884 BK005885 BK005886 BK005887 BK005888 BK005889 BK005890 BK005891 BK005892 BK005893 BK005894 BK005895 BK005896 BK005897 BK005898 BK005899 BK005900 BK005901 DQ999005 BK005877 BK005878
Strain Wild Core Collection -
Induced Mutation Lines(NIG Collection) -
Sterile Seed Strain -
Lethal Embryo
Mutantion Strain
-
Stages in Each Organ
- Muant Lines (Gene)
-
Cultivated Varieties(NIG Collection) -
Stages in Each Organ -
/rice/oryzabase