4.7 Article

Genome-Wide Identification, Characterization and Expression Analysis of Soybean CHYR Gene Family

Journal

Publisher

MDPI
DOI: 10.3390/ijms222212192

Keywords

CHYR; soybean; genome-wide identification; expression analysis; abiotic stress

Funding

  1. National Natural Science Foundation of China [32000212, 32101672]
  2. Startup Foundation of Heilongjiang Bayi Agricultural University [XYB201902]
  3. Heilongjiang Bayi Agricultural University Support Program for San Heng San Zong [TDJH201901, ZRCPY201902]
  4. Postdoctoral Science Foundation of Heilongjiang Province [LBH-Z20084]
  5. Natural Science Foundation of Heilongjiang Province [LH2021C063]
  6. Special Funds from the Central Finance to Support the Development of Local Universities
  7. Opening Project of Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education [CXSTOP2021001]

Ask authors/readers for more resources

In this study, 16 GmCHYR genes with conserved Zinc_ribbon, CHY zinc finger and Ring finger domains were identified and divided into three groups. Additional 2-3 hemerythrin domains were found in the N terminus of Group III. Gene expression analysis revealed unique expression patterns in different soybean tissues/organs and under various abiotic stresses.
The CHYR (CHY ZINC-FINGER AND RING FINGER PROTEIN) proteins have been functionally characterized in iron regulation and stress response in Arabidopsis, rice and Populus. However, their roles in soybean have not yet been systematically investigated. Here, in this study, 16 GmCHYR genes with conserved Zinc_ribbon, CHY zinc finger and Ring finger domains were obtained and divided into three groups. Moreover, additional 2-3 hemerythrin domains could be found in the N terminus of Group III. Phylogenetic and homology analysis of CHYRs in green plants indicated that three groups might originate from different ancestors. Expectedly, GmCHYR genes shared similar conserved domains/motifs distribution within the same group. Gene expression analysis uncovered their special expression patterns in different soybean tissues/organs and under various abiotic stresses. Group I and II members were mainly involved in salt and alkaline stresses. The expression of Group III members was induced/repressed by dehydration, salt and alkaline stresses, indicating their diverse roles in response to abiotic stress. In conclusion, our work will benefit for further revealing the biological roles of GmCHYRs.

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