Heterozygous alleles restore male fertility to cytoplasmic male-sterile radish (Raphanus sativus L.) : a case of overdominance

The practice of hybridization has greatly contributed to the increase in crop productivity. A major component that exploits heterosis in crops is the cytoplasmic male sterility (CMS)/nucleus-controlled fertility restoration (Rf) system. Through positional cloning, it is shown that heterozygous allel...

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Veröffentlicht in:Journal of experimental botany. - 1985. - 64(2013), 7 vom: 07. Apr., Seite 2041-8
1. Verfasser: Wang, Zhi Wei (VerfasserIn)
Weitere Verfasser: De Wang, Chuan, Wang, Chuan, Gao, Lei, Mei, Shi Yong, Zhou, Yuan, Xiang, Chang Ping, Wang, Ting
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Plant Proteins
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500 |a Citation Status MEDLINE 
520 |a The practice of hybridization has greatly contributed to the increase in crop productivity. A major component that exploits heterosis in crops is the cytoplasmic male sterility (CMS)/nucleus-controlled fertility restoration (Rf) system. Through positional cloning, it is shown that heterozygous alleles (RsRf3-1/RsRf3-2) encoding pentatricopeptide repeat (PPR) proteins are responsible for restoring fertility to cytoplasmic male-sterile radish (Raphanus sativus L.). Furthermore, it was found that heterozygous alleles (RsRf3-1/RsRf3-2) show higher expression and RNA polymerase II occupancy in the CMS cytoplasmic background compared with their homozygous alleles (RsRf3-1/RsRf3-1 or RsRf3-2/RsRf3-2). These data provide new insights into the molecular mechanism of fertility restoration to cytoplasmic male-sterile plants and illustrate a case of overdominance 
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700 1 |a De Wang, Chuan  |e verfasserin  |4 aut 
700 1 |a Wang, Chuan  |e verfasserin  |4 aut 
700 1 |a Gao, Lei  |e verfasserin  |4 aut 
700 1 |a Mei, Shi Yong  |e verfasserin  |4 aut 
700 1 |a Zhou, Yuan  |e verfasserin  |4 aut 
700 1 |a Xiang, Chang Ping  |e verfasserin  |4 aut 
700 1 |a Wang, Ting  |e verfasserin  |4 aut 
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