Document Detail

Mitochondrial DNA genetic polymorphism in thirteen rice cytoplasmic male sterile lines.
MedLine Citation:
PMID:  23322345     Owner:  NLM     Status:  MEDLINE    
Thirteen rice CMS lines derived from different cytoplasms were classified into eight groups by PCR amplification on mtDNA. The orf79 gene, which causes Boro II CMS, possibly results in Dian1-CMS. Thirteen rice cytoplasmic male sterile (CMS) lines derived from different cytoplasms are widely used for hybrid rice breeding. Based on 27 loci on mitochondrial DNA, including single nucleotide polymorphisms and segmental sequence variations between typical indica and japonica as well as high-polymorphism segmental sequence variations and single nucleotide polymorphisms among rice CMS lines, the 13 rice CMS lines were classified into eight groups: (I) wild-abortive CMS, Indonesian Shuitiangu CMS, K-CMS, Gang CMS, D-CMS and dwarf abortive CMS; (II) Maxie-CMS; (III) Honglian CMS; (IV) Boro II CMS; (V) Dian1-CMS; (VI) Liao-CMS; (VII) Lead CMS; and (VIII) Chinese wild rice CMS. According to their pollen abortion phenotypes, groups I and II (including 7 CMS lines) were classified as sporophytic CMS lines, the cytoplasmic genetic relationships among which were very close. They could have originated from similar, or even the same, cytoplasm donors. Groups III-VIII (including 6 CMS lines) were categorized as gametophytic CMS lines, the cytoplasms of which differed from one another, with some having relatively far genetic relationships. Dian1-CMS was found to harbor the orf79 gene, which causes Boro II CMS, whereas Liao-CMS had an orf79 structure that does not result in Lead CMS. Therefore, we speculated that orf79 is associated with Dian1-CMS but not with Liao-CMS. The atp6-orf79 structure related to sterility was also found to experience multiple evolutionary turnovers. All sporophytic CMS lines were indica-like. Except the Honglian CMS line, which was indica-like, all gametophytic CMS lines were japonica-like.
Ji Luan; Tianran Liu; Weiqi Luo; Wen Liu; Minqi Peng; Wenjia Li; Xiaojun Dai; Manzhong Liang; Liangbi Chen
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2013-01-16
Journal Detail:
Title:  Plant cell reports     Volume:  32     ISSN:  1432-203X     ISO Abbreviation:  Plant Cell Rep.     Publication Date:  2013 Apr 
Date Detail:
Created Date:  2013-03-15     Completed Date:  2013-09-18     Revised Date:  2013-11-07    
Medline Journal Info:
Nlm Unique ID:  9880970     Medline TA:  Plant Cell Rep     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  545-54     Citation Subset:  IM    
Laboratory of Plant Developmental and Molecular Biology, Hunan Normal University, Changsha, 410081, Hunan, People's Republic of China.
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MeSH Terms
Cytoplasm / genetics
DNA, Mitochondrial / genetics*
DNA, Plant / genetics
Genome, Mitochondrial
Oryza sativa / classification,  genetics*
Plant Infertility*
Pollen / genetics
Polymorphism, Genetic*
Sequence Analysis, DNA
Reg. No./Substance:
0/DNA, Mitochondrial; 0/DNA, Plant

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

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