| Bioinformatics analysis and expression patterns of the LAZ1 gene family in quinoa under saline\|alkali stress mediated by nitric oxide |
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| DOI：10.7606/j.issn.1000-7601.2025.04.05 |
| Key Words: quinoa LAZ1 gene family NO bioinformatics analysis saline\|alkali stress |
| Author Name | Affiliation | | JIA Zijian | College of Life Science and Technology, Gansu Agricultural University, Lanzhou, Gansu 730070, China
Key Laboratory of Crop Science in Arid Habitats, Ministry of Agriculture and Province, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | WANG Baoqiang | College of Life Science and Technology, Gansu Agricultural University, Lanzhou, Gansu 730070, China
Key Laboratory of Crop Science in Arid Habitats, Ministry of Agriculture and Province, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | GUI Jinfeng | College of Life Science and Technology, Gansu Agricultural University, Lanzhou, Gansu 730070, China
Key Laboratory of Crop Science in Arid Habitats, Ministry of Agriculture and Province, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | ZHU Xiaolin | College of Life Science and Technology, Gansu Agricultural University, Lanzhou, Gansu 730070, China
Key Laboratory of Crop Science in Arid Habitats, Ministry of Agriculture and Province, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | CHEN Lifei | College of Life Science and Technology, Gansu Agricultural University, Lanzhou, Gansu 730070, China
Key Laboratory of Crop Science in Arid Habitats, Ministry of Agriculture and Province, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | WEI Xiaohong | College of Life Science and Technology, Gansu Agricultural University, Lanzhou, Gansu 730070, China
College of Agronomy, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | ZHAO Ying | College of Life Science and Technology, Gansu Agricultural University, Lanzhou, Gansu 730070, China
Key Laboratory of Crop Science in Arid Habitats, Ministry of Agriculture and Province, Gansu Agricultural University, Lanzhou, Gansu 730070, China |
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| Abstract: |
| The LAZ1 gene family members were identified from the quinoa genome using bioinformatics methods, and their basic physicochemical properties, secondary and tertiary structures, phylogenetic relationships, chromosome localization, gene duplication, gene structure, and promoter cis\|acting elements were analyzed. Transcriptome data coupled with RT-qPCR were used to analyze the expression patterns of LAZ1 family genes in different organs and times under mixed saline\|alkali stress and exogenous NO treatment. The results showed that a total of 11 LAZ1 genes were identified in the quinoa genome, and the LAZ1 gene family was divided into 3 subfamilies by phylogenetic analysis. Fragment replication is the main reason for the evolution of this gene family, and it had undergone strong purification selection in the evolutionary process. On the basis of transcriptomic analysis, RT-qPCR analysis of 6 LAZ1 genes under salt\|alkali stress and NO treatment showed that the expression of different LAZ1 genes in different tissues was responsive to mixed salt\|alkali and positively regulated by NO, and the relative expression of CqLAZ1-9 in roots under salt\|alkali stress was increased by 129.6 times. In summary, this study identified 11 members of the LAZ1 family from the quinoa genome, and different members showed different expression patterns in different tissues, among which CqLAZ1-9 has the strongest ability to saline\|alkali stress and exogenous NO treatment. |
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