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Genetic analysis of fertility restoration and accumulation of ORF125 mitochondrial protein in the kosena radish (Raphanus sativus cv. Kosena) and a Brassica napus restorer line

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Abstract 

The genetics of fertility restoration (Rf) of kosena radish CMS has been characterized. The kosena CMS-Rf system is genetically the same as that of the ogura CMS-Rf system. Two dominant genes that act complementary to the restoration of fertility control fertility restoration in kosena CMS. One allele (Rf1) is associated with accumulation of the CMS-associated protein, ORF125. The interaction of Rf1 and another allele (Rf2) was essential for the restoration of fertility in radish, whereas Rf1 alone was sufficient for the complete restoration of fertility in the B. napus kosena CMS cybrid.

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Authors and Affiliations

  1. Plantech Research Institute, 1000 Kamoshida, Aoba-ku, Yokohama, 227–0033, Japan e-mail: sakai@rc.m-kagaku.co.jp Fax: +81-45-962-7492, , , , , , JP

    Nobuya Koizuka, Ritsuko Imai, M. Iwabuchi, T. Sakai & J. Imamura

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  1. Nobuya Koizuka
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  2. Ritsuko Imai
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  3. M. Iwabuchi
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  4. T. Sakai
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  5. J. Imamura
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Received: 13 August 1999 / Accepted: 16 September 1999

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Koizuka, N., Imai, R., Iwabuchi, M. et al. Genetic analysis of fertility restoration and accumulation of ORF125 mitochondrial protein in the kosena radish (Raphanus sativus cv. Kosena) and a Brassica napus restorer line. Theor Appl Genet 100, 949–955 (2000). https://doi.org/10.1007/s001220051375

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  • DOI: https://doi.org/10.1007/s001220051375

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