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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제29권 제1호
- 발행연도
- 2019.1
- 수록면
- 59 - 65 (7page)
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Fusaricidin analogs, produced by Paenibacillus polymyxa, were tested for selective control of a major bloom-forming cyanobacterium, Microcystis sp. Fusaricidin (A and B mixtures) and four analogs were isolated from P. polymyxa E681 and investigated for their inhibition of cyanobacterial cell growth. Among the four fusaricidin analogs, fraction 915 Da (designated as Fus901) showed growth inhibition activity for Microcystis aeruginosa but not for Anabaena variabilis and Scenedesmus acutus. Microcystin concentration decreased up to 70% and its content per cell also decreased over 50% after 3 days. Fusaricidin exhibited growth inhibition against Gram-positive bacteria but Fus901 did not. Molecular weights of fusaricidin A and B were 883 Da and 897 Da, whereas that of Fus901 was 915 Da. Structure analysis by a ringopening method revealed a linear form for Fus901. Expression of the pod gene related to oxidative stress was increased 2.1-fold by Fus901 and that of mcyD decreased up to 40%. These results indicate that Fus901 exerts oxidative stress against M. aeruginosa. Thus, Fus901 can be used as a selective cyanobactericide without disturbing the ecological system and could help in decreasing the microcystin concentration.
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참고문헌 (28)
참고문헌 신청
Dittmann E / 1997 / Insertional mutagenesis of a peptide synthetase gene that is responsible for hepatotoxin production in the cyanobacterium Microcystis aeruginosa PCC 7806 / Mol. Microbiol 26:779~787
Tillett D / 2000 / Structural organization of microcystin biosynthesis in Microcystis aeruginosa PCC7806 : an integrated peptide-polyketide synthetase system / Chem. Biol 7:753~764
Kaebernick M / 2000 / Light and the transcriptional response of the microcystin biosynthesis gene cluster / Appl. Environ. Microbiol 66:3387~3392
Baker JA / 2002 / Monitoring changing toxigenicity of a cyanobacterial bloom by molecular methods / Appl. Environ. Microbiol 68:6070~6076
Lawton LA / 1998 / Removal of cyanobacterial toxins(microcystins)and cyanobacterial cells from drinking water using domestic water filters / Water Res 32:633~638
Tillett D / 2000 / Structural organization of microcystin biosynthesis in Microcystis aeruginosa PCC7806 : an integrated peptide-polyketide synthetase system / Chem. Biol 7:753~764
Kaebernick M / 2000 / Light and the transcriptional response of the microcystin biosynthesis gene cluster / Appl. Environ. Microbiol 66:3387~3392
Baker JA / 2002 / Monitoring changing toxigenicity of a cyanobacterial bloom by molecular methods / Appl. Environ. Microbiol 68:6070~6076
Lawton LA / 1998 / Removal of cyanobacterial toxins(microcystins)and cyanobacterial cells from drinking water using domestic water filters / Water Res 32:633~638
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