생명과학회지 (Journal of Life Science)

  • 제7권4호
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  • Pages.322-328
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  • 1997
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  • 1225-9918(pISSN)
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  • 2287-3406(eISSN)
한국생명과학회 (Korean Society of Life Science)
권호 표지

이담자효모 Rhodosporidium toruloides의 성pheromone(Rh.A)에 의한 성접합형 특이적 인산화 저해 반응

Mating-type-specific inhibition of phosphorylation by sexual pheromone (Rh. A) on heterobasidiomycetous yeast Rhodosporidium toruloides.

  • 발행 : 1997.12.01
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초록

Two phosphorylated proteins having molecular weights of 57kD and 72kD were detected from the slubilized membrane protein fraction of mating type a cells of Rhodosporidium toruloides which belongs to heterobasidiomycetous yeast. The phosphorylation of the protein was inhibited by a sexual pheromone, Rhodotorucine A (Rh. A), which is secreted from mating type a cells. On the other hand, counterpart mating type A cells and M-39 strain which is a styerile mutant derived from a cells, had also the same two phosphorylated proteins, However, the phosphorylation of the protein from A cells, and M-39 strain were not inhibited by the Rh. A. It suggests that inhibition of the phosphorylation reaction by the Rh. A in mating type a cells is a mating-type-specific reaction that relate to transduction mechanism of sexual pheromone signaling.

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참고문헌

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