| 释义 |
bacteriorhodopsin, n. Biochem.|bækˌtɪərɪəʊrəʊˈdɒpsɪn|
[f. *bacterio- + rhodopsin n.]
A protein present in the purple membrane of some strains of the bacterium Halobacterium halobium, which when illuminated mediates the transport of protons across the membrane in large numbers.
1971Oesterhelt & Stoeckenius in Nature New Biol. 29 Sept. 152/1 We suggest that the purple membrane may function as a photoreceptor and propose the name bacteriorhodopsin for the purple membrane protein. 1975Nature 20 Mar. 178/2 The three proteins retinochrome, bacteriorhodopsin, and rhodopsin provide an opportunity for comparative studies of the part played by a protein in directing the course of a photochemical reaction. 1984Holtzman & Novikoff Cells & Organelles (ed. 3) iii. ii. 329 Each bacteriorhodopsin molecule can pump several hundred protons per second. 1992New Scientist 25 Jan. 30/1 The protein, called bacteriorhodopsin, is similar to the protein rhodopsin, which detects light in a real retina. |