文献类型: 外文期刊
第一作者: Cui, Jiajun
作者: Cui, Jiajun;Fan, Shengci;Shao, Tian;Huang, Zejun;Zheng, Dali;Tang, Ding;Li, Ming;Qian, Qian;Cheng, Zhukuan
作者机构:
关键词: brown furrows;fine mapping;ibf mutant;Oryza sativa
期刊名称:JOURNAL OF INTEGRATIVE PLANT BIOLOGY ( 影响因子:7.061; 五年影响因子:6.002 )
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收录情况: SCI
摘要: The pigment is an important character in plant development. In the present study, we characterized and finemapped one inhibitor for brown furrows gene (ibf) in rice (Oryza sativa L.). In the ibf mutant, brown pigmentsspecifically accumulate in the furrows of hulls as seeds mature and reach a maximum level in dry seeds. Geneticanalysis showed that the mutant phenotype is controlled by one recessive nuclear gene, which was finally mappedin a 90-kb region on the long arm of chromosome 9. Polymerase chain reaction and Southern blotting anaiysisrevealed that there was a 26 kb deletion in the 90-kb region in the mutant. Since all the open reading frames outsidethe gap In the delimited region had no detectable difference in DNA sequence with the wild-type, we postulated thatthe ibf locus should be located in the gap. Through gene annotation and reverse transcription-polymerase chainreaction (RT-PCR) analysis, we selected OsKF1 encoding a kelch repeat-containing F-box family protein as thecandidate gene of ibf.
分类号: Q94
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