Marine Science Faculty Publications
Vampire Blood: Respiratory Physiology of the Vampire Squid (Cephalopoda: Vampyromorpha) in Relation to the Oxygen Minimum Layer
Document Type
Article
Publication Date
1999
Keywords
Deep sea, Haemocyanin, Hypoxia
Digital Object Identifier (DOI)
https://doi.org/10.1007/s00898-999-0001-2
Abstract
The functional properties of the haemocyanin ofVampyroteuthis infernalis (Cephalopoda: Vampyromorpha), measured at 5 °C, are reported and discussed in relation to hypoxia. The oxygen affinity of this haemocyanin (P50=0.47−0.55 kPa) is higher than any previously measured for a cephalopod. The high cooperativity (n50=2.20−2.23) and Bohr coefficient (−0.22) suggest a true transport function for this haemocyanin. This high-affinity haemocyanin, in conjunction with moderate gill diffusion capacity, provides a sufficient oxygen gradient from the environment to the blood to support the low routine oxygen consumption rate of V. infernalis
Was this content written or created while at USF?
No
Citation / Publisher Attribution
Experimental Biology Online, v. 4, p. 1-10
Scholar Commons Citation
Seibel, Brad A.; Chausson, Fabienne; Lallier, Francois H.; Zal, Franck; and Childress, James J., "Vampire Blood: Respiratory Physiology of the Vampire Squid (Cephalopoda: Vampyromorpha) in Relation to the Oxygen Minimum Layer" (1999). Marine Science Faculty Publications. 2395.
https://digitalcommons.usf.edu/msc_facpub/2395
