Identification and gene mapping of a soybean chlorophyll-deficient mutant
文献类型: 外文期刊
第一作者: Zhang, H.
作者: Zhang, H.;Zhang, D.;Han, S.;Zhang, X.;Yu, D.;Han, S.
作者机构:
关键词: soybean [Glycine max (L;) Merr;];chlorophyll;ethyl methanesulfonate;mutant;genetic mapping
期刊名称:PLANT BREEDING ( 影响因子:1.832; 五年影响因子:1.956 )
ISSN: 0179-9541
年卷期: 2011 年 130 卷 2 期
页码:
收录情况: SCI
摘要: P>Chlorophyll variation mutants are important materials for studying chlorophyll metabolism, photosynthesis, chloroplast biogenesis and related physiological processes. In this study, a chlorophyll-deficient soybean mutant (cd1) was isolated by screening M-2 progenies of cultivar 'Nannong 86-4' treated with 0.4% ethyl methanesulfonate. cd1 displayed yellow-green leaves from seedling stage V1 to fully flowering stage R2, abnormal chloroplasts, lower total chlorophyll content (30-66% reduction), lower plant height and lower seed yield compared to its wild-type control. Genetic analysis demonstrated that the visible yellow-green trait was controlled by a single recessive nuclear gene. Subsequently, the cd1-mutant gene was mapped at a 6.9-cM interval on chromosome 10, flanked by two simple sequence repeat markers Satt633 and Sat_291. These results provide us with the opportunity to study a novel gene regulating chlorophyll synthesis.
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