Climate Change Data Portal
Temperature induced physiological and biochemical alterations in the paddy field cyanobacterium Anabaena doliolum | |
Reddy, Yattapu Prasad; Yadav, Ravindra Kumar; Tripathi, Keshawanand; Abraham, G. | |
发表日期 | 2019 |
ISSN | 0019-5189 |
EISSN | 0975-1009 |
卷号 | 57期号:5页码:346-352 |
英文摘要 | Combustion of fossil fuels and resultant emission of carbon dioxide has led to increased global temperature. Since cyanobacteria are an integral component of the paddy field microflora and contribute to nitrogen fixation, increase in temperature may adversely affect the nitrogen dynamics of the soil. Therefore, to understand the physiological and biochemical response of the mesophilic diazotrophic cyanobacterium Anabaena doliolum to elevated temperature, the organism was grown under three temperature regimes 30, 35 and 40 degrees C for 15 days. Exposure of the cyanobacterium to 40 degrees C resulted in severe reduction in growth and cellular constituents as compared to the cells exposed to 35 degrees C. The cyanobacterial cells also showed enhanced production of H2O2 and lipid peroxidation products in response to exposure to elevated temperature. Further, we observed increased activity of superoxide dismutase, catalase and peroxidase in A. doliolum exposed to elevated temperature. Increase in the temperature resulted in enhanced level of non-enzymatic antioxidants such as carotenoid, proline and ascorbate. Although, the number of heterocysts increased in response to temperature, the nitrogenase activity decreased significantly. The results have demonstrated the sensitivity of the cyanobacterium A. doliolum to elevated temperature. |
WOS研究方向 | Life Sciences & Biomedicine - Other Topics |
来源期刊 | INDIAN JOURNAL OF EXPERIMENTAL BIOLOGY
![]() |
文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/96776 |
作者单位 | Indian Agr Res Inst, ICAR, Ctr Conservat & Utilizat BGA, New Delhi 110012, India |
推荐引用方式 GB/T 7714 | Reddy, Yattapu Prasad,Yadav, Ravindra Kumar,Tripathi, Keshawanand,et al. Temperature induced physiological and biochemical alterations in the paddy field cyanobacterium Anabaena doliolum[J],2019,57(5):346-352. |
APA | Reddy, Yattapu Prasad,Yadav, Ravindra Kumar,Tripathi, Keshawanand,&Abraham, G..(2019).Temperature induced physiological and biochemical alterations in the paddy field cyanobacterium Anabaena doliolum.INDIAN JOURNAL OF EXPERIMENTAL BIOLOGY,57(5),346-352. |
MLA | Reddy, Yattapu Prasad,et al."Temperature induced physiological and biochemical alterations in the paddy field cyanobacterium Anabaena doliolum".INDIAN JOURNAL OF EXPERIMENTAL BIOLOGY 57.5(2019):346-352. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。