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논문 기본 정보
- 자료유형
- 학술저널
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- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제18권 제9호
- 발행연도
- 2008.1
- 수록면
- 1,522 - 1,528 (7page)
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초록· 키워드
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The morphogenetic behavior of a tropical marine Yarrowia
lipolytica strain on hydrophobic substrates was studied.
Media containing coconut oil or palm kernel oil (rich in
lauric and myristic acids) prepared in distilled water or
seawater at a neutral pH supported 95% of the cells to
undergo a transition from the yeast form to the mycelium
form. With potassium laurate, 51% of the cells were in the
mycelium form, whereas with myristate, 32% were in the
mycelium form. However, combinations of these two fatty
acids in proportions that are present in coconut oil or
palm kernel oil enhanced the mycelium formation to 65%.
The culture also produced extracellular lipases during the
morphogenetic change. The yeast cells were found to
attach to the large droplets of the hydrophobic substrates
during the transition, while the mycelia were associated
with the aqueous phase. The alkane-grown yeast partitioned
more efficiently in the hydrophobic phases when compared
with the coconut oil-grown mycelia. A fatty acid analysis
of the mycelial form revealed the presence of lauric acid in
addition to the long-chain saturated and unsaturated fatty
acids observed in the yeast form. The mycelia underwent
a rapid transition to the yeast form with n-dodecane, a
medium-chain aliphatic hydrocarbon. Thus, the fungus
displayed a differential behavior towards the two types of
saturated hydrophobic substrates.
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참고문헌 (22)
참고문헌 신청
Andreishcheva, E. N. / 1999 / Adaptation of salt stress in a salt-tolerant strain of the yeast Yarrowia lipolytica / Biochemistry 64 : 1061 ~ 1067
Butinar, S. S. / 2005 / Yeast diversity in hypersaline habitats / FEMS Microbiol. Lett 244 : 229 ~ 234
Crolla, A. / 2001 / Optimization of citric acid production from Candida lipolytica Y-1095 using n-paraffin / Biotechnol 89 : 27 ~ 40
Dominguez, A. / 2000 / Yarrowia lipolytica: An organism amenable to genetic manipulation as amodel for analyzing dimorphism in fungi. Contrib / Microbiol 5 : 151 ~ 172
Fickers, P. / 2005 / Hydrophobic substrate utilization by the yeast Yarrowia lipolytica, and its potential applications / FEMS Yeast Res 5 : 527 ~ 543
Butinar, S. S. / 2005 / Yeast diversity in hypersaline habitats / FEMS Microbiol. Lett 244 : 229 ~ 234
Crolla, A. / 2001 / Optimization of citric acid production from Candida lipolytica Y-1095 using n-paraffin / Biotechnol 89 : 27 ~ 40
Dominguez, A. / 2000 / Yarrowia lipolytica: An organism amenable to genetic manipulation as amodel for analyzing dimorphism in fungi. Contrib / Microbiol 5 : 151 ~ 172
Fickers, P. / 2005 / Hydrophobic substrate utilization by the yeast Yarrowia lipolytica, and its potential applications / FEMS Yeast Res 5 : 527 ~ 543
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