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A new source of cytoplasmic male sterility found in wild beet and its relationship to other CMS types

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/43944

Title: A new source of cytoplasmic male sterility found in wild beet and its relationship to other CMS types
Authors: Kawanishi, Yuki Browse this author
Shinada, Hiroshi Browse this author
Matsunaga, Muneyuki Browse this author
Masaki, Yusuke Browse this author
Mikami, Tetsuo Browse this author
Kubo, Tomohiko Browse this author →KAKEN DB
Keywords: sugar beet
cytoplasmic male sterility
plant mitochondria
mitochondrial genome
Issue Date: Apr-2010
Publisher: NRC Research Press
Journal Title: Genome
Volume: 53
Issue: 4
Start Page: 251
End Page: 256
Publisher DOI: 10.1139/G10-003
PMID: 20616856
Abstract: We found a number of male sterile plants in a wild beet (Beta vulgaris L. ssp. maritima) accession line FR4-31. The inheritance study of the male sterility indicated the trait to be of the cytoplasmic type. The mitochondrial genome of FR4-31 proved to lack both of the two male-sterility-associated genes, preSatp6 and orf129, which are characteristic of the Owen CMS and I-12CMS(3) cytoplasms of beets, respectively. Instead, the truncated cox2 gene, involved in G CMS originating from wild beets, was present in the FR4-31 mitochondrial genome. In Southern hybridization using four mitochondrial gene probes, the FR4-31 cytoplasm showed the patterns similar to those typical of the G cytoplasm. It is thus likely that the FR4-31 cytoplasm has a different CMS mechanism from both Owen CMS and I-12CMS(3), and that the FR4-31 and G cytoplasms resemble each other closely. A restriction map of the FR4-31 mitochondrial DNA was generated and aligned with those published for the Owen and normal fertile cytoplasms. The FR4-31 mitochondrial genome was revealed to differ extensively in arrangement from the Owen and normal genomes, and the male-sterile Owen and FR4-31 genomes seem to be derived independently from an ancestral genome.
Relation: http://pubs.nrc-cnrc.gc.ca/rp-ps/journalDetail.jsp?jcode=gen&lang=eng
Type: article (author version)
URI: http://hdl.handle.net/2115/43944
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 久保 友彦

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