Acta Agriculturae Boreali-Sinica ›› 2024, Vol. 39 ›› Issue (1): 55-62. doi: 10.7668/hbnxb.20194303

Special Issue: Drought and water saving Biotechnology

• Crop Genetics & Breeding·Germplasm Resources·Biotechnology • Previous Articles     Next Articles

Genome-Wide Identification and Expression Analysis of the HD-Zip Gene Family under Drought Stress in Hemp

GE Wendong1, WANG Tenghui1, GAO Meiling1,2, FAN Zhenyu1,2, WANG Yushu1,2   

  1. 1 College of Life Sciences,Agriculture and Forestry,Qiqihar University,Qiqihar 161006,China
    2 Engineering Research Center for Hemp and Product in Cold Region of Ministry of Education, Qiqihar University,Qiqihar 161006,China
  • Received:2023-10-31 Published:2024-02-28

Abstract:

HD-Zip transcription factors play an important regulatory role in stress resistance in plants,in order to reveal the characteristics and potential functions of the HD-Zip gene family in the hemp genome,and to provide important clues for further study on the regulation of CsHDZ gene under drought stress.Here this study based on the reference sequence in the hemp whole genome database,perform a genome-wide analysis of HD-Zip gene family by bioinformatics methods in hemp,and their physical and chemical characteristics,evolutionary relationship,gene structure,the cis-acting elements and transcript patterns in drought stress were analyzed.The results showed that a total of 20 hemp HD-Zips (CsHDZs),they were non-evenly distributed on seven chromosomes,and classified into four distinctive subfamilies.Their amino acid sequence size and isoelectric point were 204—837 aa and 4.54—9.04,they were all unstable proteins,and subcellular localization analysis indicated that HD-Zip protein was targeted to the nucleus.Analysis of protein conserved motifs showed that there was a total of 10 conserved motifs in CsHDZs,of which motif 1 and motif 9 were shared by all numbers.In addition,the regulatory element analysis showed that a variety of elements related to abiotic stresses were identified in the promoter region of CdHDZs.The results of Real-time Fluorescence Quantitative analysis showed that the transcription level of CsHDZ1/8/10 gene had no significant difference in the early stage of drought,but was significantly upregulated in the late stage.The results indicated that CsHDZs gene was involved in the stress response process and could actively respond to drought.

Key words: Hemp, HD-Zip gene, Drought stress, Expression analysis

Cite this article

GE Wendong, WANG Tenghui, GAO Meiling, FAN Zhenyu, WANG Yushu. Genome-Wide Identification and Expression Analysis of the HD-Zip Gene Family under Drought Stress in Hemp[J]. Acta Agriculturae Boreali-Sinica, 2024, 39(1): 55-62. doi: 10.7668/hbnxb.20194303.

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