Document Detail

CACTA and MITE transposon distributions on a genetic map of rice using F15 RILs derived from Milyang 23 and Gihobyeo hybrids.
MedLine Citation:
PMID:  16819298     Owner:  NLM     Status:  MEDLINE    
Up to 35% of the rice genome consists of various kinds of transposons, and CACTA and MITE are two of the major class 2 DNA transposons in the genome. We have employed the consensus sequences of Rim2/Hipa CACTA, Stowaway MITE Pangrangja, and Tourist MITE Ditto for transposon display (TD) analysis to locate them on a genetic map, with 58 SSR markers used to anchor them. The TD analysis produced a high profile of the polymorphisms between the parental lines, Oryza sativa var. Gihobyeo/O. sativa var. Milyang, in intraspecific F15 RIL lines, locating 368 markers of Rim2/Hipa CACTA, 78 markers of Tourist MITE Ditto, and 22 markers of Stowaway MITE Pangrangja. In the segregation analysis, non-parental segregating bands and segregation distortion bands were observed. The recombinant genetic map spans 3023.9 cM, with 5.7 cM the average distance between markers. The TD markers were distributed unequally on the chromosomes because many TD markers were located in pericentric chromosomal regions except in the cases of chromosomes 2, 3, 6 and 9. Although the number of transposon markers was not sufficient to include all rice class 2 transposons, the current map of CACTA and MITE transposons should provide new insight into the genome organization of rice since no previous DNA transposon map is available.
Soon-Jae Kwon; Sung-Won Hong; Jae-Han Son; Ju Kyong Lee; Yong-Soon Cha; Moo-Young Eun; Nam-Soo Kim
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Molecules and cells     Volume:  21     ISSN:  1016-8478     ISO Abbreviation:  Mol. Cells     Publication Date:  2006 Jun 
Date Detail:
Created Date:  2006-07-04     Completed Date:  2006-08-24     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9610936     Medline TA:  Mol Cells     Country:  Korea (South)    
Other Details:
Languages:  eng     Pagination:  360-6     Citation Subset:  IM    
Division of Biotechnology, Kangwon National University, Chunchon 200-701, Korea.
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MeSH Terms
Chromosome Mapping*
Chromosome Segregation
Chromosomes, Plant / genetics*
DNA Transposable Elements / genetics*
DNA, Plant
Genetic Markers
Genome, Plant
Hybridization, Genetic*
Linkage (Genetics)
Oryza sativa / genetics*
Plant Proteins / genetics*
Reg. No./Substance:
0/DNA Transposable Elements; 0/DNA, Plant; 0/Genetic Markers; 0/Plant Proteins

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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