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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제18권 제5호
- 발행연도
- 2008.1
- 수록면
- 828 - 836 (9page)
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초록· 키워드
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The biocontrol rhizobacterium Pseudomonas sp. M18 can
produce two kinds of antibiotics, namely pyoluteorin (Plt)
and phenazine-1-carboxylic acid (PCA), and is antagonistic
against a number of soilborne phytopathogens. In this
study, a luxR-type quorum-sensing regulatory gene, vqsR,
was identified and characterized immediately downstream
of the Plt gene cluster in strain M18. A vqsR-inactivated
mutant led to a significant decrease in the production of
Plt and its biosynthetic gene expression. However, this was
restored when introducing the vqsR gene by cloning into
the plasmid pME6032 in trans. The vqsR mutation did
not exert any obvious influence on the production of PCA
and its biosynthetic gene expression and the production
of N-acylhomoserine lactones (C4 and C8-HSLs) and
their biosynthetic gene rhlI expression. Accordingly, these
results introduce VqsR as a regulator of Plt production in
Pseudomonas spp., and suggest that the regulatory mechanism
of vqsR in strain M18 is distinct from that in P. aeruginosa.
In addition, it was demonstrated that vqsR mutation did
not have any obvious impact on the expression of Pltspecific
ABC transporters and other secondary metabolic
global regulators, including GacA, RpoS, and RsmA.
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참고문헌 (22)
참고문헌 신청
Bateman, A. / 2000 / The Pfam protein families database / Nucleic Acids Res 28 : 263 ~ 266
Bender, C. / 1999 / Polyketide production by plant-associated pseudomonads. Annu. Rev / Phytopathol 37 : 175 ~ 196
Blumer, C. / 1999 / Global GacA-steered control of cyanide and exoprotease production in Pseudomonas fluorescens involves specific ribosome binding sites. Proc. Natl. Acad /
Brodhagen, M. / 2005 / Reciprocal regulation of pyoluteorin production with membrane transporter gene expression in Pseudomonas fluorescens Pf-5. Appl. Environ / Microbiol 71
Devine, J. H. / 7744 / Identification of the operator of the lux regulon from the Vibrio fischeri strain ATCC7744. Proc. Natl. Acad / Sci 86 : 5688 ~ 5692
Bender, C. / 1999 / Polyketide production by plant-associated pseudomonads. Annu. Rev / Phytopathol 37 : 175 ~ 196
Blumer, C. / 1999 / Global GacA-steered control of cyanide and exoprotease production in Pseudomonas fluorescens involves specific ribosome binding sites. Proc. Natl. Acad /
Brodhagen, M. / 2005 / Reciprocal regulation of pyoluteorin production with membrane transporter gene expression in Pseudomonas fluorescens Pf-5. Appl. Environ / Microbiol 71
Devine, J. H. / 7744 / Identification of the operator of the lux regulon from the Vibrio fischeri strain ATCC7744. Proc. Natl. Acad / Sci 86 : 5688 ~ 5692
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