单词 | rubisco |
释义 | Rubiscon. Biochemistry. An enzyme present in plant chloroplasts and involved in the fixing of atmospheric carbon dioxide in photosynthesis, and in oxygenation of the resulting compound in photorespiration.Rubisco is more fully ribulose 1,5-bisphosphate carboxylase/oxygenase. Formerly called carboxidismutase. ΚΠ 1980 S. Johal et al. in Jrnl. Biol. Chem. 255 8874 (running title) Crystallization of RuBisCo. 1981 S. G. Wildman in L. T. Evans & W. J. Peacock Wheat Sci. iv. 61 In 1975, Chen, Gray and Wildman analyzed the composition of rubsico. [Note] An acronym coined by Prof. David Eisenberg to substitute for ‘Fraction 1 protein’, ‘carboxydismutase’, [etc.]. 1990 New Scientist 22 Dec. 12/1 The Earth's most abundant enzyme, ribulose bisphosphate carboxylase, better known as rubisco, ‘fixes’ carbon dioxide by converting it to the reactive chemical 3-phosphoglycerate. 2002 Nature 24 Jan. 375/2 In typical C4 plants, Rubisco tends to occur not in the mesophyll but in a layer of tissue surrounding the vascular bundle. 2003 Science 10 Oct. 195 During photosynthesis, the enzyme RuBisCO converts carbon dioxide into organic carbon. This is a new entry (OED Third Edition, December 2008; most recently modified version published online March 2022). < n.1980 |
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