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植物学报 >

2011 , Vol. 46 >Issue 5: 506 - 513

DOI: https://doi.org/10.3724/SP.J.1259.2011.00506

研究报告

一个新的水稻花器官突变体的鉴定和基因定位

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  • 1云南农业大学农业生物多样性与病虫害控制教育部重点实验室/云南省植物病理重点实验室, 昆明 650201
    2中国科学院遗传与发育生物学研究所, 植物基因组学国家重点实验室, 北京 100101

收稿日期: 2011-01-27

  修回日期: 2011-04-25

  网络出版日期: 2018-12-06

基金资助

国家自然科学基金(No.30760100/30900885)和云南省应用基础研究计划(No.2007C0063M)

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Characterization and Gene Mapping of a Novel Mutant in Rice Floral Organs

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  • 1Key Laboratory of Agriculture Biodiversity for Plant Disease Management, Ministry of Education/Key Laboratory of Plant Pathology, Yunnan Agricultural University, Kunming 650201, China;
    2State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China

Received date: 2011-01-27

  Revised date: 2011-04-25

  Online published: 2018-12-06

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摘要

在水稻(Oryza sativa)品种台中65的组培后代中发现一个花器官发育异常突变体flower organ number 6 (fon6), 其主要表型为: 双子房, 多柱头, 7–8枚雄蕊。遗传分析表明, 该突变表型由一对隐性基因控制。以该突变体与籼稻3037杂交的F2代分离群体作为定位群体, 利用STS标记将与突变性状相关的基因定位于第6染色体短臂上STS标记PL4和PL5之间约480 kb的范围内。该研究结果为进一步的基因克隆及功能研究奠定了基础。

关键词： 双子房; 花器官; 基因定位; 多柱头; 水稻

本文引用格式

罗伟雄, 李明, 陈军, 罗琼 . 一个新的水稻花器官突变体的鉴定和基因定位[J]. 植物学报, 2011 , 46(5) : 506 -513 . DOI: 10.3724/SP.J.1259.2011.00506

Abstract

We obtained a rice floral mutant, inner flower organ number 6 (fon6), from the progenies of tissue culture of a japonica variety Taichung65. The mutant has double ovaries, multi-stigmas, and 7 to 8 stamens. The mutant trait is controlled by a single recessive gene. The F2 population derived from the cross between Zhongxian 3037 and fon6 was used for gene mapping. FON6 was mapped to the ~480-kb region between the sequence-tagged site markers PL4 and PL5 on chromosome 6. These results will be useful for cloning and functional analysis of the gene.

Key words： double-ovary; flower organ; gene mapping; multi-stigmas; rice

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