| Signal transduction and transcriptome analysis of reactive oxygen species in mulberry under drought stress |
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| DOI：10.7606/j.issn.1000-7601.2023.02.06 |
| Key Words: mulberry drought stress reactive oxygen species signal transduction transcriptome analysis |
| Author Name | Affiliation | | QI Weiliang | College of Agriculture and Forestry, Longdong University, Qingyang, Gansu 745000, China
Collaborative Innovation Center for Longdong Dryland Crop Germplasm Improvement and Industrialization, Qingyang, Gansu 745000, China | | REN Yinghong | College of Chemistry and Life Science, Sichuan Provincial Key Laboratory for Development and Utilization of Characteristic Horticultural Biological Resources，Chengdu Normal University, Chengdu, Sichuan 611130, China | | YANG Cairong | College of Chemistry and Life Science, Sichuan Provincial Key Laboratory for Development and Utilization of Characteristic Horticultural Biological Resources，Chengdu Normal University, Chengdu, Sichuan 611130, China | | QIAO Yan | College of Agriculture and Forestry, Longdong University, Qingyang, Gansu 745000, China
Collaborative Innovation Center for Longdong Dryland Crop Germplasm Improvement and Industrialization, Qingyang, Gansu 745000, China | | ZENG Rui | College of Chemistry and Life Science, Sichuan Provincial Key Laboratory for Development and Utilization of Characteristic Horticultural Biological Resources，Chengdu Normal University, Chengdu, Sichuan 611130, China | | HUANG Renwei | College of Chemistry and Life Science, Sichuan Provincial Key Laboratory for Development and Utilization of Characteristic Horticultural Biological Resources，Chengdu Normal University, Chengdu, Sichuan 611130, China | | QIAO Yilin | College of Agriculture and Forestry, Longdong University, Qingyang, Gansu 745000, China
Collaborative Innovation Center for Longdong Dryland Crop Germplasm Improvement and Industrialization, Qingyang, Gansu 745000, China |
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| Abstract: |
| To explore the distribution of ROS signal in mulberry tissue cells and related metabolic pathways and gene regulation expression changes after drought stress from a cellular and molecular perspective, the tissue localization of ROS signal and the transcriptome of leaves of mulberry seedlings (‘Husang 32’ and ‘Deguo 1’) after drought stress were investigated. The study would provide new insights into the drought resistance mechanism of mulberry. The results showed that a small amount of O—[KG-1][JX*3]·[JX-*3]2LOC21384958 and LOC21396104, which regulating the expression of MKK4/5 and WRKY22, were up\|regulated by 0.72 (P<0.05) and 2.16 (P<0.05) respectively in the weak drought\|resistant mulberry ‘Deguo 1’, while the same genes were not significantly expressed in the strong drought\|resistant mulberry ‘Husang 32’. It was thought that the cause of ‘Deguo 1’ leaf yellowing or death might be related to the involvement of ROS signaling in the MKK4/5, MPK3/6 and WRKY22 cascade pathways. |
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