Jasmonic acid improves cadmium tolerance in rice (Oryza sativa) by reducing the production of nitric oxide
The involvement of jasmonic acid (JA) in the rice’s response to cadmium (Cd) stress is well recognized, though the underlying mechanisms remain unclear. In this study, exposure to Cd stress rapidly elevated endogenous JA concentrations in rice roots, meanwhile, a mutant coleoptile photomorphogenesis...
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Elsevier
2025-01-01
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| Series: | Ecotoxicology and Environmental Safety |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S0147651325000582 |
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| author | Ji Bo Yang Hao Yu Wang Jing Huang Chuan Jin Shan Jing Yan Chong Wei Zhong Die Hu Qiang Zhang Ren Fang Shen Xiao Fang Zhu Da Li Zeng |
| author_facet | Ji Bo Yang Hao Yu Wang Jing Huang Chuan Jin Shan Jing Yan Chong Wei Zhong Die Hu Qiang Zhang Ren Fang Shen Xiao Fang Zhu Da Li Zeng |
| author_sort | Ji Bo Yang |
| collection | DOAJ |
| description | The involvement of jasmonic acid (JA) in the rice’s response to cadmium (Cd) stress is well recognized, though the underlying mechanisms remain unclear. In this study, exposure to Cd stress rapidly elevated endogenous JA concentrations in rice roots, meanwhile, a mutant coleoptile photomorphogenesis 2 (cpm2) which produces less JA, was more sensitive to Cd stress than its wild type (WT). JA mitigated Cd toxicity by decreasing Cd absorption in root cell wall and shoot, which was achieved by up-regulating the expression of the Cd-chelation and efflux-related genes such as OsHMA3, OsABCG36 and OsCAL1; down-regulating the transcript level of the Cd uptake and translocation-related genes, including OsHMA2, OsCCX2, OsNRAMP1/5, and OsZIP5/7. Additionally, a reduction in hemicellulose content was observed in the root cell wall. Further analysis indicated that the mitigation effect of JA on Cd accumulation was dependent on the inhibition of nitric oxide (NO) synthesis, as the NO donor SNP could diminish this effect. In summary, JA effectively reduced Cd content in rice by modulating the cell wall’s capacity for Cd uptake, potentially through reducing the production of NO. |
| format | Article |
| id | doaj-art-8d9ff49b5b104c64ab927cadf6aa56a6 |
| institution | Kabale University |
| issn | 0147-6513 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Ecotoxicology and Environmental Safety |
| spelling | doaj-art-8d9ff49b5b104c64ab927cadf6aa56a62025-02-12T05:30:05ZengElsevierEcotoxicology and Environmental Safety0147-65132025-01-01290117722Jasmonic acid improves cadmium tolerance in rice (Oryza sativa) by reducing the production of nitric oxideJi Bo Yang0Hao Yu Wang1Jing Huang2Chuan Jin Shan3Jing Yan4Chong Wei Zhong5Die Hu6Qiang Zhang7Ren Fang Shen8Xiao Fang Zhu9Da Li Zeng10College of Advanced Agricultural Sciences, Zhejiang A & F University, Hangzhou 311300, China; State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Science, Nanjing 210008, ChinaCollege of Advanced Agricultural Sciences, Zhejiang A & F University, Hangzhou 311300, China; State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Science, Nanjing 210008, ChinaState Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Science, Nanjing 210008, ChinaCollege of Advanced Agricultural Sciences, Zhejiang A & F University, Hangzhou 311300, China; State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Science, Nanjing 210008, ChinaState Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Science, Nanjing 210008, China; University of Chinese Academy of Sciences, Beijing 100049, ChinaState Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Science, Nanjing 210008, ChinaState Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Science, Nanjing 210008, ChinaNational Nanfan Research Institute, Chinese Academy of Agricultural Sciences, Sanya 572000, China; State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 311400, ChinaState Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Science, Nanjing 210008, China; University of Chinese Academy of Sciences, Beijing 100049, ChinaState Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Science, Nanjing 210008, China; University of Chinese Academy of Sciences, Beijing 100049, China; Corresponding authors at: State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Science, Nanjing 210008, China.College of Advanced Agricultural Sciences, Zhejiang A & F University, Hangzhou 311300, China; State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Science, Nanjing 210008, China; Corresponding authors at: State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Science, Nanjing 210008, China.The involvement of jasmonic acid (JA) in the rice’s response to cadmium (Cd) stress is well recognized, though the underlying mechanisms remain unclear. In this study, exposure to Cd stress rapidly elevated endogenous JA concentrations in rice roots, meanwhile, a mutant coleoptile photomorphogenesis 2 (cpm2) which produces less JA, was more sensitive to Cd stress than its wild type (WT). JA mitigated Cd toxicity by decreasing Cd absorption in root cell wall and shoot, which was achieved by up-regulating the expression of the Cd-chelation and efflux-related genes such as OsHMA3, OsABCG36 and OsCAL1; down-regulating the transcript level of the Cd uptake and translocation-related genes, including OsHMA2, OsCCX2, OsNRAMP1/5, and OsZIP5/7. Additionally, a reduction in hemicellulose content was observed in the root cell wall. Further analysis indicated that the mitigation effect of JA on Cd accumulation was dependent on the inhibition of nitric oxide (NO) synthesis, as the NO donor SNP could diminish this effect. In summary, JA effectively reduced Cd content in rice by modulating the cell wall’s capacity for Cd uptake, potentially through reducing the production of NO.http://www.sciencedirect.com/science/article/pii/S0147651325000582Jasmonic acid (JA)RiceCadmium (Cd) stressCell wallNitric oxide (NO) |
| spellingShingle | Ji Bo Yang Hao Yu Wang Jing Huang Chuan Jin Shan Jing Yan Chong Wei Zhong Die Hu Qiang Zhang Ren Fang Shen Xiao Fang Zhu Da Li Zeng Jasmonic acid improves cadmium tolerance in rice (Oryza sativa) by reducing the production of nitric oxide Ecotoxicology and Environmental Safety Jasmonic acid (JA) Rice Cadmium (Cd) stress Cell wall Nitric oxide (NO) |
| title | Jasmonic acid improves cadmium tolerance in rice (Oryza sativa) by reducing the production of nitric oxide |
| title_full | Jasmonic acid improves cadmium tolerance in rice (Oryza sativa) by reducing the production of nitric oxide |
| title_fullStr | Jasmonic acid improves cadmium tolerance in rice (Oryza sativa) by reducing the production of nitric oxide |
| title_full_unstemmed | Jasmonic acid improves cadmium tolerance in rice (Oryza sativa) by reducing the production of nitric oxide |
| title_short | Jasmonic acid improves cadmium tolerance in rice (Oryza sativa) by reducing the production of nitric oxide |
| title_sort | jasmonic acid improves cadmium tolerance in rice oryza sativa by reducing the production of nitric oxide |
| topic | Jasmonic acid (JA) Rice Cadmium (Cd) stress Cell wall Nitric oxide (NO) |
| url | http://www.sciencedirect.com/science/article/pii/S0147651325000582 |
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