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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제28권 제5호
- 발행연도
- 2018.1
- 수록면
- 784 - 795 (12page)
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초록· 키워드
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Bacillus amyloliquefaciens Pc3 was isolated from Antarctic seawater with antifungal activity. In order to investigate the metabolic regulation mechanism in the biosynthesis of lipopeptides in B. amyloliquefaciens Pc3, GC/MS-based metabolomics was used when exogenous indole was added. The intracellular metabolite profiles showed decreased asparagine, aspartic acid, glutamine, glutamic acid, threonine, valine, isoleucine, hexadecanoic acid, and octadecanoic acid in the indole-treated groups, which were involved in the biosynthesis of lipopeptides. B. amyloliquefaciens Pc3 exhibited a growth promotion, bacterial total protein increase, and lipopeptide biosynthesis inhibition upon the addition of indole. Besides this, real-time PCR analysis further revealed that the transcription of lipopeptide biosynthesis genes ituD, fenA, and srfA-A were downregulated by indole with 22.4-, 21.98-, and 26.0-fold, respectively. It therefore was speculated that as the metabolic flux of most of the amino acids and fatty acids were transferred to the synthesis of proteins and biomass, lipopeptide biosynthesis was weakened owing to the lack of precursor amino acids and fatty acids.
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참고문헌 (37)
참고문헌 신청
Fravel DR / 2005 / Commercialization and implementation of biocontrol / Annu. Rev. Phytopathol. 43:337~359
Perez-Garcia A / 2011 / Plant protection and growth stimulation by microorganisms: biotechnological applications of bacilli in agriculture / Curr. Opin. Biotechnol. 22:187~193
Droby S / 2009 / Twenty years of postharvest biocontrol research: is it time for a new paradigm? / Postharvest Biol. Technol. 52:137~145
Islam MT / 2005 / Suppression of damping-off disease in host plants by the rhizoplane bacterium Lysobacter sp. strain SB-K88 is linked to plant colonization and antibiosis against soilborne Peronosporomycetes / Appl. Environ. Microbiol. 71:3786~3796
Patterson GML / 1997 / Fungal cellwall polysaccharides elicit an antifungal secondary metabolite (phytoalexin) in the cyanobacterium Scytonema ocelutum2 / J. Phycol. 33:54~60
Perez-Garcia A / 2011 / Plant protection and growth stimulation by microorganisms: biotechnological applications of bacilli in agriculture / Curr. Opin. Biotechnol. 22:187~193
Droby S / 2009 / Twenty years of postharvest biocontrol research: is it time for a new paradigm? / Postharvest Biol. Technol. 52:137~145
Islam MT / 2005 / Suppression of damping-off disease in host plants by the rhizoplane bacterium Lysobacter sp. strain SB-K88 is linked to plant colonization and antibiosis against soilborne Peronosporomycetes / Appl. Environ. Microbiol. 71:3786~3796
Patterson GML / 1997 / Fungal cellwall polysaccharides elicit an antifungal secondary metabolite (phytoalexin) in the cyanobacterium Scytonema ocelutum2 / J. Phycol. 33:54~60
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