Science China Life Sciences

, Volume 61, Issue 12, pp 1566–1582 | Cite as

Genome-wide analysis of BES1 genes in Gossypium revealed their evolutionary conserved roles in brassinosteroid signaling

  • Zhao Liu
  • Ghulam Qanmber
  • Lili Lu
  • Wenqiang Qin
  • Ji Liu
  • Jie Li
  • Shuya Ma
  • Zhaoen YangEmail author
  • Zuoren YangEmail author
Research Paper


Brassinosteroids (BRs), which are essential phytohormones for plant growth and development, are important for cotton fiber development. Additionally, BES1 transcription factors are critical for BR signal transduction. However, cotton BES1 family genes have not been comprehensively characterized. In this study, we identified 11 BES1 genes in G. arboreum, 11 in G. raimondii, 16 in G. barbadense, and 22 in G. hirsutum. The BES1 sequences were significantly conserved in the Arabidopsis thaliana, rice, and upland cotton genomes. A total of 94 BES1 genes from 10 different plant species were divided into three clades according to the neighbor-joining and minimum-evolution methods. Moreover, the exon/intron patterns and motif distributions were highly conserved among the A. thaliana and cotton BES1 genes. The collinearity among the orthologs from the At and Dt subgenomes was estimated. Segmental duplications in the At and Dt subgenomes were primarily responsible for the expansion of the cotton BES1 gene family. Of the GhBES1 genes, GhBES1.4_At/Dt exhibited BL-induced expression and was predominantly expressed in fibers. Furthermore, Col-0/mGhBES1.4_At plants produced curled leaves with long and bent petioles. These transgenic plants also exhibited decreased hypocotyl sensitivity to brassinazole and constitutive BR induced/repressed gene expression patterns. The constitutive BR responses of the plants overexpressing mGhBES1.4_At were similar to those of the bes1-D mutant.


G. hirsutum brassinosteroids BES1 phylogenetic collinearity duplication hormones curled leaves hypocotyl 


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We thank Peng Huo (Zhengzhou Research Center, Institute of Cotton Research of CAAS, Zhengzhou) for technical assistance. We thank Liwen Bianji, Edanz Editing China ( for editing the English text of a draft of this manuscript. This work was supported by the National Natural Science Foundation of China (31501345) and Young Elite Scientist Sponsorship Program by CAST (China Association for Science and Technology).

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Table. S1 Oligonucleotide primers used in this study


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Copyright information

© Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Zhao Liu
    • 1
  • Ghulam Qanmber
    • 1
  • Lili Lu
    • 1
  • Wenqiang Qin
    • 1
  • Ji Liu
    • 1
  • Jie Li
    • 1
  • Shuya Ma
    • 1
  • Zhaoen Yang
    • 1
    Email author
  • Zuoren Yang
    • 1
    • 2
    Email author
  1. 1.State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton, Institute of Cotton ResearchChinese Academy of Agricultural SciencesAnyangChina
  2. 2.School of Agricultural SciencesZhengzhou UniversityZhengzhouChina

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