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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제26권 제11호
- 발행연도
- 2016.1
- 수록면
- 1,943 - 1,950 (8page)
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Polycyclic aromatic hydrocarbons (PAHs) are commonly present xenobiotics in natural and contaminated soils. We studied three (phenanthrene, naphthalene, and biphenyl) xenobiotics, catabolism, and associated proteins in Sphingobium chungbukense DJ77 by two-dimensional gel electrophoresis (2-DE) analysis. Comparative analysis of the growth-dependent 2-DE results revealed that the intensity of 10 protein spots changed identically upon exposure to the three xenobiotics. Among the upregulated proteins, five protein spots, which were putative dehydrogenase, dioxygenase, and hydrolase and involved in the catabolic pathway of xenobiotic degradation, were induced. Identification of these major multifunctional proteins allowed us to map the multiple catabolic pathway for phenanthrene, naphthalene, and biphenyl degradation. A part of the initial diverse catabolism was converged into the catechol degradation branch. Detection of intermediates from 2,3-dihydroxy-biphenyl degradation to pyruvate and acetyl-CoA production by LC/MS analysis showed that ring-cleavage products of PAHs entered the tricarboxylic acid cycle, and were mineralized in S. chungbukense DJ77.
These results suggest that S. chungbukense DJ77 completely degrades a broad range of PAHs via a multiple catabolic pathway.
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참고문헌 (22)
참고문헌 신청
[학술지(정기
Carbone V / 2008 / Structural and functional features of dimeric dihydrodiol dehydrogenase / Cell. Mol. Life Sci 65 : 1461 ~ 1474
Delawary M / 2003 / The dual function of biphenyl-degrading ability of Pseudomonas sp. KKS102: energy acquisition and substrate detoxification / Biosci. Biotechnol. Biochem 6
Diaz E / 2013 / Aerobic degradation of aromatic compounds / Curr. Opin. Biotechnol 24 : 431 ~ 442
Fuchs G / 2011 / Microbial degradation of aromatic compounds - from one strategy to four / Nat. Rev. Microbiol 9 : 803 ~ 816
Carbone V / 2008 / Structural and functional features of dimeric dihydrodiol dehydrogenase / Cell. Mol. Life Sci 65 : 1461 ~ 1474
Delawary M / 2003 / The dual function of biphenyl-degrading ability of Pseudomonas sp. KKS102: energy acquisition and substrate detoxification / Biosci. Biotechnol. Biochem 6
Diaz E / 2013 / Aerobic degradation of aromatic compounds / Curr. Opin. Biotechnol 24 : 431 ~ 442
Fuchs G / 2011 / Microbial degradation of aromatic compounds - from one strategy to four / Nat. Rev. Microbiol 9 : 803 ~ 816
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