Literaturdatenbank
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Cowan, F. B. M. (1974). Observations on k+-stimulated p-nitrophenylphosphatase in the lachrymal gland of malaclemys terrapin, during adaptation to salt and fresh water. Comparative Biochemistry and Physiology Part A: Physiology, 49(4), 775–785.
Added by: Admin (06 Jan 2014 18:22:43 UTC) |
| Resource type: Journal Article DOI: http://dx.doi.org/10.1016/0300-9629(74)90904-9 BibTeX citation key: anon1974 View all bibliographic details  |
Categories: General Keywords: chemische Untersuchung - chemical analysis, Emydidae, Malaclemys terrapin, Physiologie - physiology, Schildkröten - turtles + tortoises Creators: Cowan Collection: Comparative Biochemistry and Physiology Part A: Physiology |
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Abstract 1.p-Nitrophenylphosphatase (NPPase) in the lachrymal gland of Malaclemys terrapin has biochemical characteristics and levels of activity similar to NPPase in avian salt glands. 2. There was, however, no difference in activity of total or K+-stimulated NPPase in glands taken from animals adapted to sea water or to fresh water. 3. The significance of this observation as it relates to the possible role of the lachrymal gland in osmoregulation is discussed. 4. Further resolution of this question may be obtained by application of histochemical methods for this enzyme, as such methods have more validity than histochemical methods for Na+-K+-ATPase (Ernst, 1972).
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