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Home > Archive>Volume 20, Issue 4, 2019 >1001-1010. DOI:10.13430/j.cnki.jpgr.20181107001
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Identification and Bioinformatic Analysis of Maize CCT Gene Family
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Affiliation:

1 Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081;2 College of Agronomy, Northeast Agricultural University, Harbin 150030;3 College of Agriculture and Forestry Science and Technology, Hebei North University, Zhangjiakou 075000;4 College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029

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National Key Research and Development Plan（2018YFD0300504）

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    Abstract:

    The CCT (CO, COL, and TOC1) family genes are widely involved in the regulation of florescence, and play an important role in plant growth and development. In this study, 57 maize CCT genes, designated ZmCCT, were identified by search for sequence homolog in publicly available databases. The structure, amino acid characteristics, chromosome location and gene evolution of ZmCCT genes were analyzed by bioinformatics approaches, and the CCT gene families of other species were compared and analyzed. The ZmCCT family members were found to be unevenly distributed on chromosomes. For instance, 11 ZmCCT members were found on chromosome 5, while only three were found on chromosomes 3, 7 and 10. The ZmCCT gene family has relatively conserved structures, comprising of commonly-present CCT DNA domain, one α-helix and three β-folds, as well as DNA motifs that are only found a few of genes. The phylogenetic analysis of CCT proteins suggested nine phylogenetic branches, and the ZmCCT genes was grouped with these of Setaria italica and Brachypodium distachyon. Thus, this study provided a reference for further revealing the functional mechanism of CCT family genes in maize.

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History
  • Received:November 07,2018
  • Revised:May 27,2019
  • Adopted:January 31,2019
  • Online: July 16,2019
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