Tartaric Acid Dehydrogenase Activity in Higher Plants
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Tartaric Acid Dehydrogenase Activity in Higher Plants1,2
Although the tartrates have been considered as possible metabolites in higher plants since the initial work of Pasteur in 1848, surprisingly little is known of their actual physiological significance. Vickery and Palmer (35) have briefly reviewed the history of (+)-tartrate in plants, including the problems of identification and of nomenclature. They conclude that (+)-tartrate is an uncommon pl...
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The biosynthetic pathway of L-tartaric acid, the form most commonly encountered in nature, and its catabolic ties to vitamin C, remain a challenge to plant scientists. Vitamin C and L-tartaric acid are plant-derived metabolites with intrinsic human value. In contrast to most fruits during development, grapes accumulate L-tartaric acid, which remains within the berry throughout ripening. Berry t...
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The barium salt of 6-phosphogluconate was prepared according to the methiod of SEEGMILLER and HORECKER (18). Solutions were prepared for use by dissolving the material in HCl, removing the barium with potassium sulphate, and adjusting the pH to 7.4. Various samples of barium phosphogluconate contained 1.7 to 2.0 AM of organic phosphorus per mg. and 0.01 to 0.03 uM of inorganic phosphorus per mg...
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13. KOCH, L. H. and McMEEKIN, T. L. A new direct nesslerization microkjeldahl method and a modification of the nessler-folin reagent for ammonia. Jour. Amer. Chem. Soc. 46: 2066-2068. 1924. 14. KVAMME, E. and HELLMAN, L. Isolation of pyruvic and alpha-ketoglutaric acids from blood and tissues in the presence of carbon-14 acetate. Anal. Chem. 26: 1995-1997. 1954. 15. OWENS, R. G. Metabolism of f...
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ated in normal subjects and in patients with the LeschNyhan syndrome. A significant difference in activity was found between erythrocytes derived from normal controls (1.21±0.47 pmoles/hr per mg protein) and from 15 patients with the Lesch-Nyhan syndrome (6.72 ±6.23 pmoles/hr per mg protein). However, no difference in activity was demonstrable in muscle or leukocytes derived from normal and Les...
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ژورنال
عنوان ژورنال: Plant Physiology
سال: 1957
ISSN: 0032-0889,1532-2548
DOI: 10.1104/pp.32.4.338