Characterization and Fine Mapping of Non-panicle Mutant (nop) in Rice
Characterization and Fine Mapping of Non-panicle Mutant (nop) in Rice作者机构：State Key Laboratory of Rice Biology China National Rice Research Institute Hangzhou 310006 China State Key Laboratory of Plant Genomics and National Center for Plant Gene Research Institute of Genetics and Developmental Biology Chinese Academy of Sciences Beijing 100101 China Agricultural College Yangzhou University Yangzhou 225009 China
出 版 物：《Rice science》 (水稻科学（英文版）)
年 卷 期：2009年第16卷第3期
页 面：165-172页
基 金：supported by the grants from the National Natural Science Foundation of China (Grant No.30300196 and No. 30771160) the State Key Basic Research Program of China (Grant No.2007CB10920203) the Research Program of Zhejiang Province,China
主 题：non-panicle gene panicle differentiation fine mapping rice (Oryza sativa)
摘 要：A mutant of panicle differentiation in rice called non-panicle （nop） was discovered in the progeny of a cross between 93-11 and Nipponbare. The mutant exhibits normal plant morphology but has apparently few tillers. The most striking change in nop is that its panicle differentiation is blocked, with masses of fluffy bract nodes generate from the positions where rachis branches normally develop in wild-type plants. Genetic analysis suggests that nop is controlled by a single recessive gene, which is temporarily named Nop（t）. Based on its mutant phenotype, Nop（t） represents a key gene controlling the initiation of inflorescence differentiation, By using simple sequence repeat markers and sequence tagged site markers, Nop（t） gene was fine mapped in a 102-kb interval on the long arm of chromosome 6. These results will facilitate the positional cloning and functional studies of the gene.
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