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单词 murein
释义

mureinn.

Brit. /ˈmjʊərɪɪn/, /ˈmjʊəriːn/, /ˈmjɔːriːn/, U.S. /ˈmjʊˌri(ᵻ)n/, /ˈmuˌrin/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin mūrus , protein n.
Etymology: < classical Latin mūrus wall (see mure n.) + -ein (in protein n.).
Biochemistry.
= peptidoglycan n.
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the world > life > biology > organism > micro-organism > bacterium > [noun] > part of
capsule1883
conidium1925
macroconidium1930
nucleoid1938
muramic acid1957
mucopeptide1959
mesosome1960
rhapidosome1963
murein1964
peptidoglycan1966
1964 W. Weidel & H. Pelzer in Adv. Enzymol. 26 195 The new type of polymer from which bacterial sacculi are tailored. We propose the term ‘murein’ (Latin: murus—wall).
1969 W. G. Murrell in G. W. Gould & A. Hurst Bacterial Spore vii. 236 All spore mureins so far studied..differ from known cell wall polymers in having..a two- to three-fold excess of glucosamine or muramic acid residues over glutamic acid or DAP residues.
1977 Ann. Internal Med. 86 464/2 The intermediate layer of the bacterial cell wall is the solid membrane (murein layer or mucopeptide).
1986 M. Kogut tr. H. G. Schlegel Gen. Microbiol. ii. 22 This contains a skeleton of peptidoglycan (also called murein), which is a heteropolymer characteristic of prokaryotes.
1998 FEMS Microbiol. Lett. 162 127 The murein wall in Gram-negative bacteria is so thin that the mechanism of growth is necessarily complicated.
This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022).
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n.1964
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