A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
VOLUME AND PH REGULATION IN AGNATHAN ERYTHROCYTES - COMPARISONS BETWEEN THE HAGFISH, MYXINE GLUTINOSA, AND THE LAMPREYS, PETROMYZON-MARINUS AND LAMPETRA-FLUVIATILIS




Julkaisun tekijät: NIKINMAA M, TUFTS BL, BOUTILIER RG
Kustantaja: SPRINGER VERLAG
Julkaisuvuosi: 1993
Journal: Journal of Comparative Physiology B
Tietokannassa oleva lehden nimi: JOURNAL OF COMPARATIVE PHYSIOLOGY B-BIOCHEMICAL SYSTEMIC AND ENVIRONMENTAL PHYSIOLOGY
Lehden akronyymi: J COMP PHYSIOL B
Volyymi: 163
Julkaisunumero: 7
Sivujen määrä: 6
ISSN: 0174-1578

Tiivistelmä
The responses of hagfish (Myxine glutinosa) and lamprey (Lampetra fluviatilis and Petromyzon marinus) erythrocytes to osmotic swelling in hypoosmotic medium and to acid-base disturbances induced by ammonium chloride prepulse were studied. The erythrocytes of hagfish regulated neither cell volume after osmotic swelling nor intracellular pH after acidification. In contrast, the erythrocytes of lamprey lost potassium and chloride after osmotic swelling, whereby their volume recovered. Furthermore, the red cell pH of lamprey recovered from experimental acidification in a nominally bicarbonate-free medium in the presence of sodium, confirming that the pathway involved is sodium/proton exchange.


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