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Titolo:
VOLUME AND PH REGULATION IN AGNATHAN ERYTHROCYTES - COMPARISONS BETWEEN THE HAGFISH, MYXINE GLUTINOSA, AND THE LAMPREYS, PETROMYZON-MARINUSAND LAMPETRA-FLUVIATILIS
Autore:
NIKINMAA M; TUFTS BL; BOUTILIER RG;
Indirizzi:
UNIV HELSINKI,DEPT ZOOL,POB 17 SF-00014 HELSINKI FINLAND DALHOUSIE UNIV,DEPT BIOL HALIFAX B3H 4J1 NS CANADA
Titolo Testata:
Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology
fascicolo: 7, volume: 163, anno: 1993,
pagine: 608 - 613
SICI:
0174-1578(1993)163:7<608:VAPRIA>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
RED-BLOOD-CELLS; PRIMITIVE VERTEBRATE; EPTATRETUS-STOUTI; TAURINE TRANSPORT; GAS-TRANSPORT; CO2 TRANSPORT; MECHANISMS; MEMBRANE; ACID; POTASSIUM;
Keywords:
ERYTHROCYTES; ION TRANSPORT; SODIUM/PROTON EXCHANGE; HAGFISH, MYXINE; LAMPREYS, LAMPRETA, PETROMYZON;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
27
Recensione:
Indirizzi per estratti:
Citazione:
M. Nikinmaa et al., "VOLUME AND PH REGULATION IN AGNATHAN ERYTHROCYTES - COMPARISONS BETWEEN THE HAGFISH, MYXINE GLUTINOSA, AND THE LAMPREYS, PETROMYZON-MARINUSAND LAMPETRA-FLUVIATILIS", Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology, 163(7), 1993, pp. 608-613

Abstract

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.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 07/07/20 alle ore 18:50:43