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Production of Biosurfactant Lipopeptides Iturin A, Fengycin, and Surfactin A from Bacillus subtilis CMB32 for Control of Colletotrichum gloeosporioides
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  • Production of Biosurfactant Lipopeptides Iturin A, Fengycin, and Surfactin A from Bacillus subtilis CMB32 for Control of Colletotrichum gloeosporioides
  • Production of Biosurfactant Lipopeptides Iturin A, Fengycin, and Surfactin A from Bacillus subtilis CMB32 for Control of Colletotrichum gloeosporioides
저자명
Kim. Pyoung-Il,Ryu. Jae-Won,Kim. Young-Hwan,Chi. Youn-Tae
간행물명
Journal of microbiology and biotechnology
권/호정보
2010년|20권 1호|pp.138-145 (8 pages)
발행정보
한국미생물생명공학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

A bacterial strain isolated from soil for its potential to control the anthracnose disease caused by Colletotrichum gloeosporioides was identified as a Bacillus subtilis. Bacillus subtilis CMB32 produced antifungal agents on M9 broth at $30^{circ}C$. Biosurfactant lipopeptides produced by Bacillus subtilis CMB32 were precipitated by adjusting to pH 2 and extracting using chloroform/methanol, and then were purified using column chromatography and reverse-phase HPLC. The molecular masses of the lipopeptides were estimated by MALDI-TOF mass spectrometry as (a) 1,080, (b) 1,486, and (c) 1,044 Da, respectively. They had cyclic structures and amino acid compositions of (a) Pro, Asx, Ser, Tyr, Glx, (b) Glx, Tyr, Thr, Ala, Pro, lie, and (c) Glx, Leu, Val, Asx, respectively. Further analysis revealed that Bacillus subtilis CMB32 produced three antifungal lipopeptides: (a) iturin A, (b) fengycin, and (c) surfactin A.