Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:2.3.1.177 (BIS)
 957 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

1. Intact trophozoites of Giardia duodenalis (clone P1C10) took up and metabolised L-[U14C-] aspartate to 14CO2 at rates of 10.27 +/- 0.76 and 27.6 +/- 2.07 ng hr-1 10(-6) cells in a simple maintenance medium (MM) and in a complex bile supplemented (BIS-33) medium respectively. 2. Intact trophozoite of G. duodenalis (clone P1C10) also took up and metabolised L-[U14C-] alanine to 14CO2 at rates of 20.6 +/- 1.1 and 91.4 +/- 17.5 ng hr-1 10(-6) cells in the simple (MM) and complex (BIS-33) medium respectively. 3. trophozoite sonicates contained significant levels of aspartate-2-oxoglutarate transaminase (AST; EC 2.6.1.1) and alanine-2-oxoglutarate transaminase (ALT; EC 2.6.2.2.). Specific activities (at 23 degrees C) were 95.1 +/- 11.3 and 87.3 +/- 9.8 nmol (min)-1 (mg protein)-1 respectively. 4. These observations suggest that Giardia has the capacity to utilise aspartate and alanine and possibly other amino acids as alternative sources of energy. 5. The extrusion or uptake of alanine by Giardia trophozoites may be dictated by the intracellular redox-status of the protozoan parasite or components in the external mileu.
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PMID:The uptake and conversion of L-[U14C-] aspartate and L-[U14C-] alanine to 14CO2 by intact trophozoites of Giardia duodenalis. 161 34

A field study was conducted to examine different physicochemical properties of water and various haematological and biochemical parametres of the fish Labeo rohita collected from the Ganga River (National river of India) at Varanasi district, India. The water was found to be greatly contaminated with a number of dissolved metals (Fe, Cr, Zn, Cu, Mn, Ni and Pb) whose concentrations were above the safe limits suggested by Bureau of Indian Standard (BIS 1991) for drinking water (Fe, 1,353.33 %; Cr, 456 %; Mn, 553.33 %; Ni, 4,490 % and Pb, 1,410 %). The metal accumulation in the fish blood was very high (Fe, 2,408 %; Cr, 956.57 %; Zn, 464.90 %; Cu, 310.57 %; Mn, 1,115.48 %) in comparison to the control fish maintained under strict quality control. Lower values of the various haematological parameters (total erythrocytes count, haemoglobin, haematocrit, mean corpuscular volume and O2-carrying capacity) in the river fish in comparison to the control indicate toxic manifestation exerted by the contaminated river water on the fish. The higher level of total leucocytes count further illustrates stressed condition of the river fish. The toxic impact of the Ganga water is also expressed in the fish by the presence of higher levels of cholesterol, glucose, elevated activities of the enzymes aspartate amino transferase and alanine amino transferase, and lowered protein concentration.
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PMID:Contamination of the River Ganga and its toxic implication in the blood parameters of the major carp Labeo rohita (Ham). 2345 46