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A Cephalopod Approach to Rethinking about the Importance of the Bohr and Haldane Effects

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Title: A Cephalopod Approach to Rethinking about the Importance of the Bohr and Haldane Effects
Authors: Lykkeboe, G.
Johansen, K.
Issue Date: Jul 1982
Publisher: University of Hawai'i Press
Citation: Lykkeboe G, Johansen K. 1982. A cephalopod approach to rethinking about the importance of the Bohr and Haldane effects. Pac Sci 36(3): 305-313.
Abstract: This study concerns the physiological implications of the Bohr
and Haldane effects and the buffer values in the blood from the cephalopods
Nautilus pompilius, Octopus macropus, Sepia latimanus, Nototodarus sloani
philippinensis, and Sepioteuthis lessoniana. All species studied except one
(Nautilus) have Bohr and Haldane coefficients numerically higher than unity,
and the two effects were found to be nearly identical in all cases, in accord with
the theoretical prediction of Wyman (1964). However, the functional Haldane
coefficient was significantly lower than the Haldane coefficient in two cases
(Sepia and Sepioteuthis). Buffer values were highest in the two species with the
lowest oxygen requirement (Nautilus and Octopus), whereas the three fast swimmers
studied (Nototodarus, Sepia, and Sepioteuthis) display comparatively low
buffer values. It is concluded that the large Bohr effects seen in four of the five
species may have their primary effect on oxygen loading in the gills.
ISSN: 0030-8870
Appears in Collections:Pacific Science Volume 36, Number 3, 1982

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