지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.12
- 수록면
- 223 - 233 (11page)
- DOI
- 10.23042/radin.2021.15.4.223
이용수
초록· 키워드
오류제보하기
Phytochromes, a family of light-sensing proteins, are widespread in a broad rangeof organisms, including plants, algae, cyanobacteria, and even non-photosynthetic bacteria.
Deinococcus radiodurans, which is well known for its extraordinary resistance to γ-radiation,contains bacterial phytochrome photoreceptor (BphP). D. radiodurans BphP (DrBphP) is knownto dephosphorylate its cognate response regulator DrBphR in response to light and to contributeto mitomycin C (MMC) resistance. In this study, we investigated transcriptional changes in D.
radiodurans bphP bphR double mutant strain (ΔbphPR) to identify genes affected by the DrBphP/Rsystem. Microarray analysis showed that the expression of dr_0802, which encodes a putative antisigmafactor, and dr_1168, which encodes a Nudix hydrolase, increased in ΔbphPR. Since a geneencoding the alternative sigma factor Sig2 immediately precedes dr_0802, the predicted DR_0802product was named Asf2 (anti-sigma factor 2) here. We constructed sig2 and asf2 mutant strainsand examined their survival using plates supplemented with MMC under light conditions. A lackof either Sig2 or Asf2 did not cause a change in resistance to MMC compared to the wild type (WT),i.e., there was no difference in survival between WT and mutants. These results suggest that Sig2and Asf2 are not involved in the DrBphP/R signaling pathway related to MMC resistance.
목차
등록된 정보가 없습니다.
참고문헌 (48)
참고문헌 신청
Agostini HJ / 1996 / Identification and characterization of uvrA, a DNA repair gene of Deinococcus radiodurans / J. Bacteriol. 178:6759~6765
Auldridge MC / 2011 / Bacterial phytochromes: more than meets the light / Crit. Rev. Biochem. Mol. Biol. 46:67~88
Baker AW / 2016 / Arm-in-arm response regulator dimers promote intermolecular signal transduction / J. Bacteriol 198:1218~1229
Barkovits K / 2011 / Function of the bacteriophytochrome BphP in the RpoS/Las quorum-sensing network of Pseudomonas aeruginosa / Microbiology 157:1651~1664
Battistuzzi FU / 2004 / A genomic timescale of prokaryote evolution : insights into the origin of methanogenesis, phototrophy, and the colonization of land / BMC Evol. Biol. 4:44
Auldridge MC / 2011 / Bacterial phytochromes: more than meets the light / Crit. Rev. Biochem. Mol. Biol. 46:67~88
Baker AW / 2016 / Arm-in-arm response regulator dimers promote intermolecular signal transduction / J. Bacteriol 198:1218~1229
Barkovits K / 2011 / Function of the bacteriophytochrome BphP in the RpoS/Las quorum-sensing network of Pseudomonas aeruginosa / Microbiology 157:1651~1664
Battistuzzi FU / 2004 / A genomic timescale of prokaryote evolution : insights into the origin of methanogenesis, phototrophy, and the colonization of land / BMC Evol. Biol. 4:44
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