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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제28권 제7호
- 발행연도
- 2018.1
- 수록면
- 1,217 - 1,224 (8page)
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초록· 키워드
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Seaweeds produce antioxidants to counteract environmental stresses, and these antioxidant genes are regarded as important defense strategies for marine algae. In this study, the expression of Pyropia yezoensis (Bangiales, Rhodophyta) ascorbate peroxidase (PyAPX) and manganese-superoxide dismutase (PyMnSOD) was examined by qRT-PCR in P. yezoensis blades under abiotic stress conditions. Furthermore, the functional relevance of these genes was explored by overexpressing them in Chlamydomonas. A comparison of the different expression levels of PyAPX and PyMnSOD after exposure to each stress revealed that both genes were induced by high salt and UVB exposure, being increased approximately 3-fold after 12 h. The expression of the PyAPX and PyMnSOD genes also increased following exposure to H2O2. When these two genes were overexpressed in Chlamydomonas, the cells had a higher growth rate than control cells under conditions of hydrogen peroxide-induced oxidative stress, increased salinity, and UV exposure. These data suggest that Chlamydomonas is a suitable model for studying the function of stress genes, and that PyAPX and PyMnSOD genes are involved in the adaptation and defense against stresses that alter metabolism.
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참고문헌 (48)
참고문헌 신청
Yoon HS / 2004 / A molecular timeline for the origin of photosynthetic eukaryotes / Mol. Biol. Evol. 21:809~818
Hwang MS / 1997 / Temperature responses of Porphyra tenera Kjellman and P. yezoensis Ueda (Bangiales, Rhodophyta) from Korea / Algae 12:207~213
Wang JX / 2011 / Cloning and expression of isoenzymes of superoxide dismutase in Haematococcus pluvialis (Chlorophyceae) under oxidative stress / J. Appl. Phycol. 23:995~1003
Asada K / 1999 / The water-water cycle as alternative photon and electron sinks / Philos. Trans. R. Soc. Lond. B Biol. Sci. 355:1419~1431
Kwon SJ / 2006 / Proteomics studies of posttranslational modifications in plants / J. Exp. Bot. 57:1547~1551
Hwang MS / 1997 / Temperature responses of Porphyra tenera Kjellman and P. yezoensis Ueda (Bangiales, Rhodophyta) from Korea / Algae 12:207~213
Wang JX / 2011 / Cloning and expression of isoenzymes of superoxide dismutase in Haematococcus pluvialis (Chlorophyceae) under oxidative stress / J. Appl. Phycol. 23:995~1003
Asada K / 1999 / The water-water cycle as alternative photon and electron sinks / Philos. Trans. R. Soc. Lond. B Biol. Sci. 355:1419~1431
Kwon SJ / 2006 / Proteomics studies of posttranslational modifications in plants / J. Exp. Bot. 57:1547~1551
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