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Identification of Cytoplasmic Male Sterility in Chinese Radish Following PCR Analysis of Mitochondrial DNA

文献类型： 外文期刊

作者： Zhang, Li 1 ; Yasumoto, Keita 2 ; Yamagishi, Hiroshi 2 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci, Natl Engn Res Ctr Vegetables, Beijing 100097, Peoples R China

2.Kyoto Sangyo Univ, Dept Biotechnol, Kita Ku, Kyoto 6038555, Japan

关键词： Raphanus sativus;Mitochondrial DNA;orf138;orfB

期刊名称：PLANT MOLECULAR BIOLOGY REPORTER （ 影响因子：1.595； 五年影响因子：2.042 ）

ISSN：

年卷期：

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收录情况： SCI

摘要： In order to understand the molecular characteristics of the Chinese radish, the mitochondrial DNA structure and sequence were analyzed in Chinese wild radish and cultivated varieties. A total of four male-sterile lines, four maintainer lines, 17 cultivars, and a single Chinese wild radish were used, along with 25 male-sterile individuals and 159 fertile plants. We found that the cytoplasm of Chinese radishes could be classified into two types: the normal type and the Ogura type. The Ogura-type cytoplasm was detected in 25 male-sterile plants. The 159 fertile plants had normal cytoplasm. Both the Ogura cytoplasm and the normal cytoplasm were detected in the male-sterile "RA". The orf138 gene in mitochondrial DNA was detected in cultivated Chinese radish cultivars but not in the wild radish. The Chinese radish orf138 nucleotide sequence was determined in four male-sterile lines and displayed complete homology to the known orf138 type A nucleotide sequence. Three types of mitochondrial orfB (type 1, type 2 and type 3) were found in Chinese radishes. Type 1 was only present in the male-sterile lines. Chinese cultivated radishes were divided into type 2 and type 3, while the Chinese wild radish only had type 3 cytoplasm.

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