| 单词 | heat-shock protein |
| 释义 | > as lemmasheat-shock protein heat-shock protein n. Biochemistry any of a group of proteins whose synthesis is initiated or increased in cells exposed to high temperatures (or certain other stresses), most of which are thought to regulate the folding of other protein molecules; abbreviated hsp. ΚΠ 1975 Proc. National Acad. Sci. U.S.A. 72 1117/1 We find that temperature elevation causes the rapid disappearance of preexisting polysomes, followed by the buildup of new polysomes on which the heat shock proteins are presumably synthesized. 1989 Nature 23 Feb. 688/1 Ubiquitin is one of the group of proteins called heat-shock proteins which are induced in cells in response to stresses such as thermal shock, heavy metals, oxidants and amino-acid analogues. 2002 New Scientist 18 May 25/1 A molecule that ‘blocks’ evolution has been discovered in plants. Called heat-shock protein 90 (Hsp90), it eliminates kinks and abnormalities from the regulatory proteins that dictate the growth, development and shape of plants. < as lemmas |
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