| Identification and stress response analysis of universal stress proteins StUSP gene family in potato |
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| DOI：10.7606/j.issn.1000-7601.2024.01.04 |
| Key Words: potato USP gene family identification adversity drought stress expression mode |
| Author Name | Affiliation | | WANG Zemin | State Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou, Gansu 730070, China
College of Life Science and Technology, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | TIAN Miao | College of Life Science and Technology, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | HOU Lele | College of Life Science and Technology, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | JIN Xin | State Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou, Gansu 730070, China
College of Life Science and Technology, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | ZHANG Guodong | Department of Biology, Xinzhou Teachers University, Xinzhou, Shanxi 034099, China | | YANG Jiangwei | State Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou, Gansu 730070, China
College of Life Science and Technology, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | ZHANG Ning | State Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou, Gansu 730070, China
College of Life Science and Technology, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | SI Huaijun | State Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou, Gansu 730070, China
College of Life Science and Technology, Gansu Agricultural University, Lanzhou, Gansu 730070, China |
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| Abstract: |
| In this study, the potato USP genes were examined and identified at the genomic and transcriptome levels, as well as the fundamental characteristics of the members of this gene family. High\|throughput sequencing was used to screen key differentially expressed genes under drought stress and conduct a comprehensive analysis of the expression characteristics of StUSP family members under drought stress using the drought\|tolerant cultivar ‘Long 10’ (L) and the drought\|sensitive cultivar ‘Atlantic’ (D) as experimental materials. The results revealed that there were 42 genes encoding proteins containing USP domains in potato. These genes were asymmetrically distributed on 11 chromosomes, with most of them located on chromosomes 1 to 6. And multiple introns were present in most StUSPs. According to expression analysis, StUSPs might respond to a variety of abiotic stresses and were differentially expressed in potato germplasm with different drought tolerance. At the same time, qRT-PCR was used to analyze the expression patterns of 12 members under drought stress. Except StUSP12 and StUSP22 were downregulated, the other 10 genes were all positively responding to drought stress. |
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