Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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The Action of Phospholipids and Effect of Medium Composition During Sexual Differentiation Process in Heterobasidiomycetous Yeast Rhodospotidium toruloides.

이담자균 효모의 성분화과정중 인지질의 작용과 배지조성의 제한이 성분화에 미치는 영향

  • 정영기 (동의대학교 미생물학과) ;
  • 강원대 (동의대학교 미생물학과) ;
  • 남수완 (동의대학교 미생물학과)
  • Published : 1996.09.01
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Abstract

The action of phospholipid on the rhodotorucine A(RH.A) acceptance by heterbasidiomyceteous yeast Rhodosporidium toruloides mating type a cells and the effect of medium composition during sexual differentiation were investigated. Activation of trigger peptidase(TPase)was very sensitive to the originated phospholipid from R. toruloides and was more sensitive to phospholipid liposome made up of phospholipi. Phospholopod present on the membrance of mating type a cells consists of phospatidylglycerol(PG), phosphatidylethanolamine(PE), phospatidylcholine(PC), phospatidylinositol(PI), and phosphatidylserine(PS) of 12.9, suprisingly 45.4, 11.0, and 13.9%, respectively. As the result of using C-1 and N-1 mediums which limited C and N sources capable of inhibiting the synthesis of phospholipid, it resulted inhibiting sexual dlfferentiation and production of Rh.A from mating type Acells.

Keywords

References

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