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Optimal Culture Conditions for the Production of a Novel Extracellular Alkaline Lipase from Yarrowia lipolytica NRRL Y-2178
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  • Optimal Culture Conditions for the Production of a Novel Extracellular Alkaline Lipase from Yarrowia lipolytica NRRL Y-2178
저자명
Lee. Geon-Ho,Bae. Jae-Han,Suh. Min-Jung,Kim. Hak-Ryul
간행물명
Journal of applied biological chemistry
권/호정보
2007년|50권 2호|pp.46-51 (6 pages)
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한국응용생명화학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Lipases are industrially useful versatile enzymes that catalyze numerous different reactions. Among lipases functioning under extreme conditions, alkaline lipase is useful in detergent industry. Lipase from yeast strain Yarrowia lipolytica NRRL Y-2178 was most active under alkaline condition, and initial medium pH for most lipase production was also alkaline [Lee et al., 2007, J Microbiol Biotechnol, 17(6)]. High lipase production was achieved using Y. lipolytica NRRL Y-2178. Optimal incubation time for lipase production at $25^{circ}C$ was 72 h. Optimal temperature, when incubated for 72 h, was $27.5^{circ}C$. Lipase production but not cell growth was very sensitive to concentrations of glucose and glycerol as efficient carbon sources, showing optimal concentrations of 1.0 and 1.5% (w/v), respectively. Lipase production was highly stimulated by $Ca^{2+},;K^+,;and;Na^+$, but was inhibited by $Co^{2+},;Cu^{2+},;Mn^{2+},;Na^+,;and;Fe^{2+}$. Maximum lipase production at 0.1 mM $Ca^{2+}$ for 72 h incubation at $27.5^{circ}C$ was 649 units/mL.