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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
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- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제20권 제11호
- 발행연도
- 2010.1
- 수록면
- 1,506 - 1,512 (7page)
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The present study examined the salinity-induced oxidative damage and differential response of enzymatic and nonenzymatic antioxidants of Nostoc muscorum. As compared with carotenoid content that showed induction, the chlorophyll and phycocyanin contents were inhibited after salt stress. Acceleration of lipid peroxidation and peroxide production suggested the onset of oxidative damage. The activities of all studied enzymatic antioxidants were significantly increased by salt stress, with maximum induction occuring with superoxide dismutase (154.8% at 200 mM NaCl treatment). Interestingly, under severe stress condition (250 mM NaCl), ascorbate peroxidase seemed to be more crucial than catalase for peroxide scavenging. Among the studied nonenzymatic antioxidants,α-tocopherol was induced maximally (56.0%); however,ascorbate and reduced glutathione were increased by only 8.9% after 250 mM NaCl treatment as compared with control cells. Therefore, salinity was found to induce the antioxidative defense system of N. muscorum.
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참고문헌 (26)
참고문헌 신청
Aebi, H / 1984 / Catalase in vitro / Methods Enzymol 105 : 121 ~ 126
Anderson, M. E / 1985 / Determination of glutathione and glutathione disulphide in biological samples / Methods Enzymol 113 : 548 ~ 555
Bhargava, P / 2008 / Excess copper induces anoxygenic photosynthesis in Anabaena doliolum: A proteomic assessment of its survival strategy / Photosynth. Res 96 : 61 ~ 74
Bradford, M. M / 1972 / A rapid and sensitive method for the quantification of microgram quantities of proteins utilising the principle of protein dye binding / Anal. Biochem
Cakmak, I / 1991 / Effect of aluminum on lipid peroxidation, superoxide dismutase, catalase and peroxidase activities in root tips of soybean (Glycine max) / Physiol. Plant 8
Anderson, M. E / 1985 / Determination of glutathione and glutathione disulphide in biological samples / Methods Enzymol 113 : 548 ~ 555
Bhargava, P / 2008 / Excess copper induces anoxygenic photosynthesis in Anabaena doliolum: A proteomic assessment of its survival strategy / Photosynth. Res 96 : 61 ~ 74
Bradford, M. M / 1972 / A rapid and sensitive method for the quantification of microgram quantities of proteins utilising the principle of protein dye binding / Anal. Biochem
Cakmak, I / 1991 / Effect of aluminum on lipid peroxidation, superoxide dismutase, catalase and peroxidase activities in root tips of soybean (Glycine max) / Physiol. Plant 8
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