Results 81 to 90 of about 1,830 (136)
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Enzymatic activity in hepatopancreas of Nassarius obsoletus
Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1973Abstract 1. 1. Comparatively high levels of glucose-6-phosphate dehydrogenase were found in the hepatopancreas of Nassarius obsoletus. The absence of demonstrable levels of the second oxidative shunt enzyme suggests that only a partial shunt operates in the hepatopancreas for the generation of NADPH necessary for the synthesis of lipids. 2. 2.
G H, Fried, N L, Levin
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An extractable collagenase from crustacean hepatopancreas
Biochimica et Biophysica Acta (BBA) - Enzymology, 1969Abstract An enzyme capable of degrading native collagen under physiologic conditions has been extracted from the hepatopancreas of a crustacean, Uca pugilator . The collagenase acts on native collagen fibrils and on collagen in solution. At 25° the enzyme is capable of producing a marked reduction in the specific viscosity of collagen with no loss ...
A Z, Eisen, J J, Jeffrey
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Ferritin in the hepatopancreas of octopus vulgaris Lam.
Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1971Abstract 1. 1. The iron content of the hepatopancreas of Octopus vulgaris Lam. ranges between 0·20 and 0·40 mg/g of fresh tissue. 2. 2. Centrifugation of hepatopancreas homogenates at 30,000 g yielded a supernatant containing approximately 20 per cent of the total iron. 3. 3.
G, Nardi, E O, Muzii, M, Puca
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Hepatopancreas glycosidases of the abalone (haliotus rufescens)
Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1971Abstract 1. 1. A number of different glycosidase activities were found in abalone ( Haliotus rufescens ) hepatopancreas extracts. 2. 2. Using p- nitrophenyl derivatives, the following glycosidase activities were found: α- l -fucosidase (36) β- d -galactosidase (30·3), α- d -mannosidase (27·2), β- d -glucuronidase (25), N-acetyl-β- d ...
R, Bennett, N, Thanassi, H I, Nakada
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Phosphatase activity in the hepatopancreas of Helix aspersa
Comparative Biochemistry and Physiology Part A: Physiology, 19921. Phosphatase acid (PhA) activity in the digestive gland (hepatopancreas) of the common garden snail Helix aspersa has been investigated using cytochemical methods. 2. All the cells composing this gland show PhA activity, the distribution pattern differing according to the cell type. 3.
A, Almendros, D, Porcel
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PATHWAYS OF CARBOHYDRATE METABOLISM IN LOBSTER HEPATOPANCREAS
Canadian Journal of Biochemistry and Physiology, 1962Oxygen uptake by homogenates of lobster hepatopancreas was stimulated by the addition of Embden–Meyerhof, pentose cycle, and citric acid cycle intermediates as well as xylose. Acetate-1-C14oxidation was blocked by fluoracetate and glucose-1-C14oxidation fell by 80% with iodoacetate treatment. TPN and DPN increased glucose-1-C14oxidation by 140% and 20%
P W, HOCHACHKA, J M, TEAL, M, TELFORED
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d-Glucose transport in decapod crustacean hepatopancreas
Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 2000Physiological mechanisms of gastrointestinal absorption of organic solutes among crustaceans remain severely underinvestigated, in spite of the considerable relevance of characterizing the routes of nutrient absorption for both nutritional purposes and formulation of balanced diets in aquaculture.
VERRI, Tiziano +9 more
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Histology and ultrastructure of the hepatopancreas of the tigerfish, Hydrocynus forskahlii
Journal of Morphology, 1996Study of the histology and ultrastructure of the hepatopancreas of the tigerfish, Hydrocynus forskahlii shows that the liver parenchyma is divided into irregularly shaped lobules, separated by the exocrine pancreas and associated connective tissue. The hepatocytes are arranged in interconnecting cords or laminae, two to three cell layers in thickness ...
H J, Geyer, Maria M, Nel, J H, Swanepoel
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The peroxisomes of the hepatopancreas in marine gastropods
Biology of the Cell, 1994Summary— An ultrastructural study of the peroxisomes was performed in the hepatopancreas of six species of marine gastropods. Peroxisome morphology was described in the basophilic cells and digestive cells of each species. The identification of this organelle was supported by the cytochemical detection of catalase.
Alexandre Lobo‐da‐Cunha +2 more
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Hydrolytic enzymes of the hepatopancreas of the ascidian, Pyura stolonifera
Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1973Abstract 1. 1. The hepatopancreas or digestive gland of the ascidian, Pyura stolonifera, contains a wide spectrum of hydrolytic enzymes, including protease, esterase and phosphomonoesterase activities. 2. 2. The proteolytic activity exhibited maximal activity at pH 8·5; the phosphomonoesterase activity exhibited maximal actvity at pH 10, with
P J, Schofield, B W, Stewart
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