The effect of calnexin deletion on the expression level of binding protein [BiP] under heat stress conditions in Saccharomyces cerevisiae

• Autorzy: Zhang H , Hu B. , Ji Y. , Kato A. , Song Y.
• Języki publikacji: EN

Abstrakty

EN

We cultured calnexin-disrupted and wild-type Saccharomyces cerevisiae strains under conditions of heat stress. The growth rate of the calnexin-disrupted yeast was almost the same as that of the wild-type yeast under those conditions. However, the induced mRNA level of the molecular chaperone PDI in the ER was clearly higher in calnexin-disrupted S. cerevisiae relative to the wild type at 37°C, despite being almost the same in the two strains under normal conditions. The western blotting analysis for PDI protein expression in the ER yielded results that show a parallel in their mRNA levels in the two strains. We suggest that PDI may interact with calnexin under heat stress conditions, and that the induction of PDI in the ER can recover part of the function of calnexin in calnexin-disrupted yeast, and result in the same growth rate as in wild-type yeast.

Słowa kluczowe

EN

calnexin deletion; expression level; binding protein; protein expression; heat stress; Saccharomyces cerevisiae; yeast; molecular chaperone

• Wydawca: -
• Czasopismo: Cellular and Molecular Biology Letters
• Rocznik: 2008
• Tom: 13
• Numer: 4
• Opis fizyczny: p.621-631,fig.,ref.

Twórcy

autor

Zhang H

• Liaoning University, Shenyang 110036, China

autor

Hu B.

autor

Ji Y.

autor

Kato A.

autor

Song Y.

Bibliografia

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