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Oxygen-Binding Properties of the Blood of the Deep-Sea Shrimp Glyphocrangon vicaria
A. J. Arp and J. J. Childress
Vol. 58, No. 1 (Jan. - Feb., 1985), pp. 38-45
Published by: The University of Chicago Press. Sponsored by the Division of Comparative Physiology and Biochemistry, Society for Integrative and Comparative Biology
Stable URL: http://www.jstor.org/stable/30161218
Page Count: 8
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The oxygenation characteristics of the blood of Glyphocrangon vicaria, a benthic shrimp captured at a depth of 1,800 m, are examined to elucidate the little-studied blood properties of an animal living in an isothermal, stable, deep-sea environment. Whole blood of G. vicaria shows a reduced effect of temperature on O₂ affinity and a marked, normal Bohr effect from pH 7 to pH 9 that increases with temperature, while cooperativity of O₂ binding is moderate and decreases with an increase in temperature. The blood of G. vicaria shows no specific effect of CO₂ on O₂ affinity and no effect of L-lactate on O₂ affinity. These blood oxygenation characteristics are compared with those of animals living in environments with similar and contrasting thermal characteristics.
Physiological Zoology © 1985 The University of Chicago Press