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单词 supercoiling
释义

supercoilingn.

Brit. /ˈsuːpəkɔɪlɪŋ/, /ˈsjuːpəkɔɪlɪŋ/, U.S. /ˈsupərˌkɔɪlɪŋ/
Origin: Formed within English, by derivation. Etymons: super- prefix, coiling n.
Etymology: < super- prefix + coiling n., after supercoil n.
Chiefly Biochemistry.
The action or process of forming a supercoil; an instance of this.
ΚΠ
1946 Trans. Faraday Soc. 42 ii. 46 Where the volume of the gel is less than that where coiling is normal, there will be super-coiling.
1978 Science 24 Mar. 1345/1 These proteins can either unwind the double helix, or induce a supercoiling of the DNA.
1996 Jrnl. Molecular Biol. 256 61/1 Our result, showing that the supercoiling requirement is more stringent for postsynapsis, can be interpreted in two ways.
2005 D. P. Clark Molecular Biol. iv. 91 Supercoiling places DNA under physical strain. This may lead to the appearance of alterations in DNA structure that serve to relieve the strain.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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n.1946
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