Document Detail


Molecular mapping of two reverse photoperiod-sensitive genic male sterility genes (rpms1 and rpms2) in rice (Oryza sativa L.).
MedLine Citation:
PMID:  18810384     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The reverse photoperiod-sensitive genic male sterility (PGMS) and thermo-sensitive genic male sterility (TGMS) lines have an opposite phenotype compared with normal PGMS and TGMS lines widely used by the two-line system in current hybrid rice seed production. Thus, the application of reverse PGMS and TGMS lines can compensate PGMS and TGMS lines in hybrid rice production. YiD1S is a reverse PGMS line, in which pollen fertility is mainly regulated by day-length, but also influenced by temperature. Genetic analysis indicated that male sterility of YiD1S was controlled by two recessive major genes. An F(2) population from a cross between YiD1S and 8528 was developed and used for molecular mapping of the two reverse PGMS genes which were first named rpms1 and rpms2. Both simple sequence repeat (SSR) markers and bulked segregant analysis (BSA) were used in this study. As a result, one reverse PGMS gene (rpms1) was mapped to the interval between SSR markers RM22980 (0.9 cM) and RM23017 (1.8 cM) on chromosome 8. Eight SSR markers, YDS818, RM22984, RM22986, RM22997, YDS816, RM23002, RM339 and YDS810 completely co-segregated with the rpms1 gene. Another reverse PGMS gene (rpms2) was mapped to the interval between SSR markers RM23898 (0.9 cM) and YDS926 (0.9 cM) on chromosome 9. The physical mapping information from publicly available resources shows that the rpms1 and rpms2 loci are located in a region of 998 and 68 kb, respectively. The analysis based on marker genotypes showed that the effect of rpms1 was slightly larger than that of rpms2 and that the two genes interacted in controlling male sterility.
Authors:
H F Peng; Z F Zhang; B Wu; X H Chen; G Q Zhang; Z M Zhang; B H Wan; Y P Lu
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2008-09-23
Journal Detail:
Title:  TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik     Volume:  118     ISSN:  0040-5752     ISO Abbreviation:  Theor. Appl. Genet.     Publication Date:  2008 Dec 
Date Detail:
Created Date:  2008-11-12     Completed Date:  2009-03-03     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0145600     Medline TA:  Theor Appl Genet     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  77-83     Citation Subset:  IM    
Affiliation:
College of Life Science, South China Agricultural University, Guangzhou, 510642, China. phf72@scau.edu.cn
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MeSH Terms
Descriptor/Qualifier:
Chromosome Mapping*
Chromosomes, Plant
Genes, Plant*
Genetic Markers
Minisatellite Repeats
Oryza sativa / genetics*
Photoperiod*
Plant Infertility / genetics*
Chemical
Reg. No./Substance:
0/Genetic Markers

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


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