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Titolo:
D-aspartate oxidase and free acidic D-amino acids in lower vertebrates
Autore:
Kera, Y; Watanabe, T; Shibata, K; Nagasaki, H; Yamada, R;
Indirizzi:
Nagaoka Univ Technol, Dept Environm Syst Engn, Lab Environm Biochem, Nagaoka, Niigata 9402188, Japan Nagaoka Univ Technol Nagaoka Niigata Japan 9402188 Niigata 9402188, Japan Ichinoseki Natl Coll Technol, Dept Chem Engn, Ichinoseki, Iwate 0218511, Japan Ichinoseki Natl Coll Technol Ichinoseki Iwate Japan 0218511 218511, Japan Nagaoka Univ Technol, Dept Bioengn, Nagaoka, Niigata 9402188, Japan Nagaoka Univ Technol Nagaoka Niigata Japan 9402188 Niigata 9402188, Japan Doshisha Womens Coll Liberal Arts, Dept Food Sci & Nutr, Kyoto 6020893, Japan Doshisha Womens Coll Liberal Arts Kyoto Japan 6020893 oto 6020893, Japan
Titolo Testata:
JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC
fascicolo: 1-6, volume: 12, anno: 2001,
pagine: 121 - 129
SICI:
1381-1177(20010228)12:1-6<121:DOAFAD>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
PERFORMANCE LIQUID-CHROMATOGRAPHY; CRYPTOCOCCUS-HUMICOLUS UJ1; OCTOPUS-VULGARIS LAM; RAT LEYDIG-CELLS; FREE D-GLUTAMATE; SCAPHARCA-BROUGHTONII; MOUSE-LIVER; BLOOD SHELL; TISSUES; BRAIN;
Keywords:
D-aspartate oxidase; D-aspartate; D-glutamate; distribution; avians; amphibians; fishes;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
49
Recensione:
Indirizzi per estratti:
Indirizzo: Kera, Y Nagaoka Univ Technol, Dept Environm Syst Engn, Lab Environm Biochem, Nagaoka, Niigata 9402188, Japan Nagaoka Univ Technol Nagaoka Niigata Japan 9402188 9402188, Japan
Citazione:
Y. Kera et al., "D-aspartate oxidase and free acidic D-amino acids in lower vertebrates", J MOL CAT B, 12(1-6), 2001, pp. 121-129

Abstract

D-Aspartate oxidase and free D-aspartate and/or D-glutamate have been found in various tissues of lower vertebrates including avians, amphibians and fishes. The enzymes of those animals were similar to the mammalian enzymes in substrate and inhibitor specificity.,li-Methyl-D-aspartate is the best substrate of the enzymes of those animals, followed by D-aspartate, meso-2,3-diaminosuccinate and D-glutamate. In avians and amphibians, the highest activity was found in the kidneys, whereas, in fishes, hepatic activity was equal to or greater than renal activity. Male chickens had significantly higher activities in the liver, kidneys and pancreas than female. However, no significant sex difference was observed in other animals. Substantial amounts of D-aspartate and/or D-glutamate were detected in alltissues examined, irrespective of species. With the exception of the spleen or testes of some species. the D-glutamate content was equal to or greater than the D-aspartate content. The amounts of D-enantiomer present were significantly different between two sexes in several tissues of avians and amphibians. However, no common relationship was observed between the D-enantiomer contents and D-aspartate oxidase activity. The involvement of D-aspartate in the control of androgen secretion by the ovary was demonstrated in agreen frog. (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 02/04/20 alle ore 11:42:01