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PMID: 15020481 Published · ppublish English Journal Article Research Support, U.S. Gov't, Non-P.H.S. Research Support, U.S. Gov't, P.H.S.

PIF- and Pong-like transposable elements: distribution, evolution and relationship with Tourist-like miniature inverted-repeat transposable elements.

Genetics ·Vol. 166 ·No. 2 ·2004-02-00 ·Pages 971-86

Zhang X, Jiang N, Feschotte C, Wessler SR

Abstract

Miniature inverted-repeat transposable elements (MITEs) are short, nonautonomous DNA elements that are widespread and abundant in plant genomes. Most of the hundreds of thousands of MITEs identified to date have been divided into two major groups on the basis of shared structural and sequence characteristics: Tourist-like and Stowaway-like. Since MITEs have no coding capacity, they must rely on transposases encoded by other elements. Two active transposons, the maize P Instability Factor (PIF) and the rice Pong element, have recently been implicated as sources of transposase for Tourist-like MITEs. Here we report that PIF- and Pong-like elements are widespread, diverse, and abundant in eukaryotes with hundreds of element-associated transposases found in a variety of plant, animal, and fungal genomes. The availability of virtually the entire rice genome sequence facilitated the identification of all the PIF/Pong-like elements in this organism and permitted a comprehensive analysis of their relationship with Tourist-like MITEs. Taken together, our results indicate that PIF and Pong are founding members of a large eukaryotic transposon superfamily and that members of this superfamily are responsible for the origin and amplification of Tourist-like MITEs.

MeSH Terms
Amino Acid Sequence Animals Base Sequence DNA Transposable Elements Databases, Genetic Evolution, Molecular Molecular Sequence Data Neurospora crassa/genetics Oryza/genetics Phylogeny Plants/genetics Sequence Analysis, Protein Sequence Homology Transposases/genetics,metabolism
Chemicals
DNA Transposable Elements Transposases
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Zhang Xiaoyu
Department of Plant Biology, University of Georgia, Athens, GA 30602, USA.
Jiang Ning
Feschotte Cédric
Wessler Susan R
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Article Info
Journal
Genetics
Abbr.
Genetics
ISSN
0016-6731
DOI
10.1534/genetics.166.2.971
Published
2004-02-00
Pages
971-86
Language
English
Region
United States
NLM ID
0374636
PMCID
PMC1470744
Subset
IM
Databases
GENBANK
AY362792, AY362793, AY362794, AY362795, AY362796, AY362797, AY362798, AY362799, AY362800, AY362801, AY362802, AY362803, AY362804, AY362805, AY362806, AY362807, AY362808, AY362809, AY362810, AY362811, AY362812, AY362813, AY362814, AY362815, AY362816, AY362817, AY362818, AY362819
External Links
PubMed source DOI: 10.1534/genetics.166.2.971 PMC Full Text View journal details
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