硼通过刺激抗氧化酶活性抑制铝对柑橘的毒性。

Q2 Biochemistry, Genetics and Molecular Biology

Journal of Environmental Science and Health Part C-Environmental Carcinogenesis & Ecotoxicology Reviews Pub Date : 2018-01-01 Epub Date: 2018-09-10 DOI:10.1080/10590501.2018.1490513

Lei Yan, Muhammad Riaz, Xiuwen Wu, Chenqing Du, Yalin Liu, Bo Lv, Cuncang Jiang

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引用次数: 18

摘要

铝(Al)毒性是限制植物生产力的主要因素。本研究旨在探讨硼(B)减轻柑橘铝毒性的作用机制。结果表明，铝中毒严重阻碍了根的伸长。有趣的是，在铝暴露下，硼提高了超氧化物歧化酶的活性，同时降低了过氧化物酶、过氧化氢酶和多酚氧化酶的活性。在铝处理下，硼处理显著降低了根中H2O2、脂质过氧化、蛋白质和脯氨酸的含量。结果表明，硼可以通过调节根系抗氧化酶活性来减轻铝毒性。

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Boron inhibits aluminum-induced toxicity to citrus by stimulating antioxidant enzyme activity.

Aluminum (Al) toxicity is a major factor limiting plant productivity. The objective of the present study was to develop the mechanisms of boron (B) alleviating aluminum toxicity in citrus. The results showed that aluminum toxicity severely hampered root elongation. Interestingly, under aluminum exposure, boron supply improved superoxide dismutase activity while reducing peroxidase, catalase and polyphenol oxidase activities. Likewise, the contents of H₂O₂, lipid peroxidation, protein and proline in roots were markedly decreased by boron application under aluminum exposure. Our results demonstrated that boron could alleviate aluminum toxicity by regulating antioxidant enzyme activities in the roots.

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来源期刊

Journal of Environmental Science and Health Part C-Environmental Carcinogenesis & Ecotoxicology Reviews 环境科学-毒理学

CiteScore

6.20

自引率

0.00%

发文量

审稿时长

>24 weeks

期刊介绍： Journal of Environmental Science and Health, Part C: Environmental Carcinogenesis and Ecotoxicology Reviews aims at rapid publication of reviews on important subjects in various areas of environmental toxicology, health and carcinogenesis. Among the subjects covered are risk assessments of chemicals including nanomaterials and physical agents of environmental significance, harmful organisms found in the environment and toxic agents they produce, and food and drugs as environmental factors. It includes basic research, methodology, host susceptibility, mechanistic studies, theoretical modeling, environmental and geotechnical engineering, and environmental protection. Submission to this journal is primarily on an invitational basis. All submissions should be made through the Editorial Manager site, and are subject to peer review by independent, anonymous expert referees. Please review the instructions for authors for manuscript submission guidance.