Two mammalian heat shock proteins, HSP90 and HSP100, are actin-binding proteins.

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Two mammalian heat shock proteins, HSP90 and HSP100, are actin-binding proteins.

Two high molecular weight heat shock proteins, HSP90 (Mr, 90,000) and HSP100 (Mr, 100,000), were separately purified from extracts of cultured cells of a mouse lymphoma cell line, L5178Y. Both of the HSPs exist in homodimeric form under physiological conditions. Their physicochemical properties are quite similar to each other. Each of the purified HSPs was shown to coprecipitate with rabbit ske...

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Heat shock proteins are methylated in avian and mammalian cells.

Exposure of chicken cells grown in tissue culture to heat shock or sodium arsenite results in a dramatic increase in the synthesis of three major polypeptides with molecular weights of 83,000 (HSP 83), 68,000 (HSP 68; referred to here as "thermin"), and 25,000 (HSP 25). Incubation of BHK-21 or HeLa cells under the same conditions results in induction of HSP 68 and a 66,000-dalton polypeptide (H...

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Effect of enviromental temperature on heat shock proteins (HSP30, HSP70, HSP90) and IGF-I mRNA expression in Sparus aurata

Ambient temperature is one of the most important environmental factors affecting physiological mechanisms and biochemical reactions of living organisms. Thus the effect of ambient temperature on HSPs and IGF-I gene expression levels in the liver and muscle tissues of Sparus aurata were investigated in this research. The levels of HSPs, and IGF-I gene expression of the liver and muscle of Sparus...

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Heat shock and the heat shock proteins.

As all biologists appreciate, there is constant interaction between life and the environment, and temperature plays a critical role. It establishes distribution limits, it affects rates of function as well as the survival of organisms. Notoriously sensitive to temperature is plant growth. Critical steps in plant life such as germination, flowering and breaking of dormancy can be manipulated by ...

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ژورنال

عنوان ژورنال: Proceedings of the National Academy of Sciences

سال: 1986

ISSN: 0027-8424,1091-6490

DOI: 10.1073/pnas.83.21.8054