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Home > Archive>Volume 21, Issue 2, 2020 >452-458. DOI:10.13430/j.cnki.jpgr.20190611002
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Phenotypic Identification and Low-resolution Mapping of a Yellow-Green Leaf Mutant in Maize
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Affiliation:

Crops Research Institute, Gansu Academy of Agricultural Sciences

Fund Project:

The Natural Science Foundation of China (Grant No. 31760390，31860384)，The National Key Research and Development Program of China (Grant No. 2018YFD0100202-3，2016YFD0100103)

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    Abstract:

    Leaf-color mutants are important materials for deciphering the photosynthesis and chloroplast development. In this study, a yellow-green leaf mutant was identified and designated ygl-F17138. By making a cross with the maize inbred line B73, we constructed a F2 segregation population for the genetic analysis and the preliminary gene mapping. Genetic analysis indicated that this yellow-green phenotype was genetically controlled by a recessive nuclear gene. By deployment of BSR-seq and the linkage analysis method, this gene was allocated to an interval of about 9.2 Mb on chromosome 3 (chr3: 173087201-182203992). According to the functional annotation of known genes in this interval, no genes which regulating yellow green leaf traits similar to those previously reported were found, indicating that YGL-F17138 gene is a candidate gene controlling yellow green leaf in maize.

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History
  • Received:June 11,2019
  • Revised:January 06,2020
  • Adopted:August 19,2019
  • Online: March 17,2020
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