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> 한국미생물생명공학회(구 한국산업미생물학회) > Journal of Microbiology and Biotechnology > 29권 1호

The Selective Inhibitory Activity of a Fusaricidin Derivative on a Bloom-Forming Cyanobacterium, Microcystis sp.

The Selective Inhibitory Activity of a Fusaricidin Derivative on a Bloom-Forming Cyanobacterium, Microcystis sp.

( So-ra Ko ) , ( Young-ki Lee ) , ( Ankita Srivastava ) , ( Seung-hwan Park ) , ( Chi-yong Ahn ) , ( Hee-mock Oh )

- 발행기관 : 한국미생물생명공학회(구 한국산업미생물학회)

- 발행년도 : 2019

- 간행물 : Journal of Microbiology and Biotechnology, 29권 1호

- 페이지 : pp.59-65 ( 총 7 페이지 )


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초록(외국어)
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.

논문정보
  • - 주제 : 자연과학분야 > 생물
  • - 발행기관 : 한국미생물생명공학회(구 한국산업미생물학회)
  • - 간행물 : Journal of Microbiology and Biotechnology, 29권 1호
  • - 발행년도 : 2019
  • - 페이지 : pp.59-65 ( 총 7 페이지 )
  • - UCI(KEPA) : I410-ECN-0102-2019-400-001361250
저널정보
  • - 주제 : 자연과학분야 > 생물
  • - 성격 : 학술지
  • - 간기 : 월간
  • - 국내 등재 : KCI 등재
  • - 해외 등재 : SCI / SCOPUS
  • - ISSN : 1017-7825
  • - 수록범위 : 1991–2021
  • - 수록 논문수 : 5624