Genetic Analysis and Gene Mapping of a White&nbsp; Striped Leaf&nbsp;&nbsp; and&nbsp; White Panicle&nbsp; Mutant in Rice

JIN Yi1,2 , LIU Heqin1 , WANG Dekai1，*,TAO Yuezhi1,*

doi:10.3969/j.issn.10017216.2011.05.002

Chinese Journal OF Rice Science >

2011 , Vol. 25 >Issue 5: 461 - 466

DOI: https://doi.org/10.3969/j.issn.10017216.2011.05.002

Research Papers

Genetic Analysis and Gene Mapping of a White Striped Leaf and White Panicle Mutant in Rice

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¹ Institute of Crop and Nuclear Technology Utilization， Zhejiang Academy of Agricultural Sciences, Hangzhou 310021， China; ²College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, China;

Received date: 2010-12-30

Revised date: 2011-01-19

Online published: 2011-09-10

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Abstract

A white striped leaf and white panicle mutant, designated as wslwp, was obtained from a rice (Oryza sativa L. ssp. japonica cv. Zhonghua 11) transfer DNA insertion mutant pool. The mutant was characterized by white leaves at the 1leaf stage, chlorotic leaves with longitudinal green stripes at the 2leaf stage, and green leaves before heading. Moreover, at the heading stage, the glume showed white color, but the panicle axis and rachis remained green. The grain changed into yellow at the maturity stage. Chlorophyll and carotenoid contents and seed setting rate of the mutant were significantly reduced. Genetic analysis showed that the phenotype of the mutnt was controlled by a single recessive nuclear gene. An F2 population generated by crossing the mutant with Longtefu B was used as a gene mapping population. WSLWP locus was preliminarily located between SSR molecular markers RM5711 and RM6574 on chromosome 7, then it was mapped to a physical distance 87 kb region between newlydeveloped polymorphic STS markers STS763 and STS765.

Key words： rice; font-family: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">;white striped leaf ; and white panicle ; mutant; font-family: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">;simple sequence repeat ; marker; font-family: 宋体; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">;gene mapping

Cite this article

JIN Yi1,2 , LIU Heqin1 , WANG Dekai1，*,TAO Yuezhi1,* . Genetic Analysis and Gene Mapping of a White Striped Leaf and White Panicle Mutant in Rice[J]. Chinese Journal OF Rice Science, 2011 , 25(5) : 461 -466 . DOI: 10.3969/j.issn.10017216.2011.05.002

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