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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제20권 제12호
- 발행연도
- 2010.1
- 수록면
- 1,637 - 1,646 (10page)
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초록· 키워드
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The bacterium Deinococcus radiodurans is one of the most resistant organisms to ionizing radiation and other DNAdamaging agents. Although, at present, 30 Deinococcus species have been identified, the whole-genome sequences of most species remain unknown, with the exception of D. radiodurans (DRD), D. geothermalis, and D. deserti. In this study, comparative genomic hybridization (CGH)microarray analysis of three Deinococcus species, D.
radiopugnans (DRP), D. proteolyticus (DPL), and D.
radiophilus (DRPH), was performed using oligonucleotide arrays based on DRD. Approximately 28%, 14%, and 15% of 3,128 open reading frames (ORFs) of DRD were absent in the genomes of DRP, DPL, and DRPH,respectively. In addition, 162 DRD ORFs were absent in all three species. The absence of 17 randomly selected ORFs was confirmed by a Southern blot. Functional classification showed that the absent genes spanned a variety of functional categories: some genes involved in amino acid biosynthesis, cell envelope, cellular processes,central intermediary metabolism, and DNA metabolism were not present in any of the three deinococcal species tested. Finally, comparative genomic data showed that 120 genes were Deinococcus-specific, not the 230 reported previously. Specifically, ddrD, ddrO, and ddrH genes,previously identified as Deinococcus-specific, were not present in DRP, DPL, or DRPH, suggesting that only a portion of ddr genes are shared by all members of the genus Deinococcus.
목차
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참고문헌 (23)
참고문헌 신청
Anderson, A. W / 1956 / Studies on a radio-resistant Micrococcus. I. Isolation, morphology, cultural characteristics, and resistance to gamma radiation / Food Technol 10 : 57
Bentchkou, E / 2010 / A major role of the RecFOR pathway in DNA double-strandbreak repair through ESDSA in Deinococcus radiodurans / PLoS Genet 6 : e1000774 ~
Blasius, M / 2008 / Deinococcus radiodurans: What belongs to the survival kit? / Crit. Rev. Biochem. Mol. Biol 43 : 221 ~ 238
Cox, M. M / 2005 / Deinococcus radiodurans - the consummate survivor / Nature 6 : 882 ~ 892
Earl, A. M / 2002 / The IrrE protein of Deinococcus radiodurans R1 is a novel regulator of recA expression / J. Bacteriol 184 : 6216 ~ 6224
Bentchkou, E / 2010 / A major role of the RecFOR pathway in DNA double-strandbreak repair through ESDSA in Deinococcus radiodurans / PLoS Genet 6 : e1000774 ~
Blasius, M / 2008 / Deinococcus radiodurans: What belongs to the survival kit? / Crit. Rev. Biochem. Mol. Biol 43 : 221 ~ 238
Cox, M. M / 2005 / Deinococcus radiodurans - the consummate survivor / Nature 6 : 882 ~ 892
Earl, A. M / 2002 / The IrrE protein of Deinococcus radiodurans R1 is a novel regulator of recA expression / J. Bacteriol 184 : 6216 ~ 6224
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