<FONT face="Verdana">Genetic Analysis and Fine Mapping of a GreenRevertible Albino Leaf Mutant in Rice</FONT>

GUO Shi-wei,WANG Yong-fei,MA San-mei,LI Xia,GAO Dong-ying

doi:10.3969/j.issn.1001-7216.2011.01.015

Chinese Journal OF Rice Science >

2011 , Vol. 25 >Issue 1: 95 - 98

DOI: https://doi.org/10.3969/j.issn.1001-7216.2011.01.015

研究简报

Genetic Analysis and Fine Mapping of a GreenRevertible Albino Leaf Mutant in Rice

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¹Institute of Food Crops, Jiangsu Academy of Agricultural Sciences/Jiangsu High Quality Rice R ＆ D Center, Nanjing 210014, China; ²Department of Bioengineering, Jinan University, Guangzhou 510632, China

Received date: 1900-01-01

Revised date: 1900-01-01

Online published: 2011-01-10

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Abstract

A greenrevertible albino leaf mutant was found in an indica rice variety, Yixiang B, in the field. A stably inherited mutant with greenrevertible albino leaf was obtained after five successive generations of selfcrossing, and temporarily named as gra. The leaf color of gra was albino before 4th leaf stage, and then gradually turned green. As the content of chlorophyll in leaves increased from 4weekold to 12weekold seedlings, the ratio of mutant/wild chlorophyll content in rice leaves rose from 34.5% to 99.4%. Genetic analysis of F2 populations showed that the mutation was controlled by a single recessive nuclear gene. The gene was finely mapped between the SSR markers RM25522 and RM25535, with genetic distances of 0.05 cM to each marker, respectively, and a physical distance of 136 kb.

Key words： rice; greenrevertible albino leaf mutant; gene; fine mapping

Cite this article

GUO Shi-wei,WANG Yong-fei,MA San-mei,LI Xia,GAO Dong-ying . Genetic Analysis and Fine Mapping of a GreenRevertible Albino Leaf Mutant in Rice[J]. Chinese Journal OF Rice Science, 2011 , 25(1) : 95 -98 . DOI: 10.3969/j.issn.1001-7216.2011.01.015

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