The respiratory system in varanid lizards: Determinants of O2 transfer

Comparative Biochemistry and Physiology - A Molecular and Integrative Physiology

Volumn 133, Issue 2, 2002, Pages 239-258

  Frappell, Peter B ^a   Schultz, Timothy J ^b   Christian, Keith A ^b  

^a LA TROBE UNIVERSITY   (Australia)

^b CHARLES DARWIN UNIVERSITY   (Australia)

Author keywords

Excercise; Locomotion; Lung diffusion; Oxygen affinity; Oxygen transport; Reptile; Respiratory system; Varanid; Ventilation

Indexed keywords

OXYGEN;

AEROBIC CAPACITY; ARTERIAL OXYGEN SATURATION; BREATHING; CIRCULATION; CONFERENCE PAPER; GAS EXCHANGE; HEART OUTPUT; LIZARD; LOCOMOTION; LUNG DIFFUSION CAPACITY; LUNG VENTILATION; LUNG VENTILATION PERFUSION RATIO; NONHUMAN; OXYGEN TENSION; OXYGEN TRANSPORT; RESPIRATORY SYSTEM;

MAMMALIA; REPTILIA; SQUAMATA;

EID: 0036801068     PISSN: 10956433     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1095-6433(02)00147-2     Document Type: Conference Paper

References (50)

1. Bartholomew G.A., Tucker V.A. Size, body temperature, thermal conductance, oxygen consumption, and heart rate in Australian varanid lizards. Physiol. Zool. 37:1964;341-354.
2. Bennett A.F. The effect of activity on oxygen consumption, oxygen debt, and heart rate in the lizards Varanus gouldii and Sauromalus hispidus. J. Comp. Physiol. 79:1972;259-280.
3. Bennett A.F. Blood physiology and oxygen transport during activity in two lizards, Varanus gouldii and Sauromalus hispidus. Comp. Biochem. Physiol. 46A:1973a;673-690.
4. Bennett A.F. Ventilation in two species of lizards during rest and activity. Comp. Biochem. Physiol. 46A:1973b;653-671.
5. Bennett A.F. Exercise performance of reptiles. Jones J.H., Advances in Veterinary Science and Comparative Medicine: Comparative Vertebrate Exercise Physiology, vol. 38B. 1994;113-138 Academic Press, San Diego.
6. Bickler P.E., Anderson R.A. Ventilation, gas exchange, and aerobic scope in a small monitor lizard, Varanus gilleni. Physiol. Zool. 59:1986;76-83.
7. Boggs D.F. Interactions between locomotion and ventilation in tetrapods. Comp. Biochem. Physiol. 133:2002;269-288.
8. Burggren W., Johansen K. Ventricular haemodynamics in the monitor lizard Varanus exanthematicus: pulmonary and systemic pressure separation. J. Exp. Biol. 96:1982;343-354.
9. Carrier D.R. Lung ventilation during walking and running in four species of lizards. Exp. Biol. 47:1987a;33-42.
10. Carrier D.R. The evolution of locomotor stamina in tetrapods: circumventing a mechanical constraint. Paleobiology. 13:1987b;326-341.
11. Carrier D.R. Ventilatory action of the hypaxial muscles of the lizard Iguana iguana: a function of slow muscle. J. Exp. Biol. 143:1989;435-457.
12. Carrier D.R. Activity of the hypaxial muscles during walking in the lizard Iguana iguana. J. Exp. Biol. 152:1990;453-470.
13. Christian K.A., Conley K.E. Activity and resting metabolism of varanid lizards compared with 'typical' lizards. Aust. J. Zool. 42:1994;185-193.
14. Frappell P.B., Mortola J.P. Passive body movement and gas exchange in the frilled lizard (Chlamydosaurus kingii) and goanna (Varanus gouldii). J. Exp. Biol. 201:1998;2307-2311.
15. Frappell, P.B., Schultz, T.J., Christian, K.A., 2002. Oxygen transfer during aerobic exercise in a varanid lizard, Varanus mertensi. J. Exp. Biol., in press.
16. Gehr P., Mwangi D.K., Amman A., Maloiy G.M.O., Taylor C.R., Weibel E.R. Design of the mammalian respiratory system. V. Scaling morphometric pulmonary diffusing capacity body mass: wild and domestic animals. Respir. Physiol. 44:1981;61-86.
17. Gleeson T.T. Preferred body temperature, aerobic scope, and activity in the monitor lizard, Varanus salvator. Physiol. Zool. 54:1981;423-429.
18. Gleeson T.T., Mitchell G.S., Bennett A.F. Cardiovascular responses to graded activity in the lizards Varanus and Iguana. Am. J. Physiol. 239:1980;R174-R179.
19. Hancock T.V., Adolph S.C., Gleeson T.T. Effect of activity duration on recovery and metabolic costs in the desert iguana (Dipsosaurus dorsalis). Comp. Biochem. Physiol. 130A:2001;67-79.
20. Heisler N., Newman P., Maloiy G.M.O. Mechanisms of intracardiac shunting in the lizard, Varanus exanthematicus. J. Exp. Biol. 105:1983;15-31.
21. O2 with nonlinear dissociation curves and V̇ A/ Q̇ inequality. Respir. Physiol. 73:1988;279-288.
22. Hicks J.W., Krosniunas E. Physiological states and intracardiac shunting in non-crocodilian reptiles. Exp. Biol. Online. 1:1996;3.
23. Hicks J.W., Wang T. Functional role of cardiac shunts in reptiles. J. Exp. Zool. 275:1996;204-216.
24. Hopkins S.R., McKenzie D.C., Schoene R.B., Glenny R.W., Robertson H.T. Pulmonary gas exchange during exercise in athletes I. Ventilation-perfusion mismatch and diffusion limitation. J. Appl. Physiol. 77:1994;912-917.
25. Hopkins S.R., Hicks J.W., Cooper T.K., Powell F.L. Ventilation and pulmonary gas exchange during exercise in the savannah monitor lizard (Varanus exanthematicus). J. Exp. Biol. 198:1995;1783-1789.
26. Hoppeler H., Weibel E.R. Limits for oxygen and substrate transport in mammals. J. Exp. Biol. 201:1998;1051-1064.
27. Ishimatsu A., Hicks J.W., Heisler N. Analysis of intracardiac shunting in the lizard, Varanus niloticus: a new model based on blood oxygen levels and microsphere distribution. Respir. Physiol. 71:1988;83-100.
28. Jones J.H. Circulatory function during exercise: integration of convection and diffusion. Jones J.H., Advances in Veterinary Science and Comparative Medicine: Comparative Vertebrate Exercise Physiology, vol. 38A. 1994;217-251 Academic Press, San Diego.
29. Jones J.H., Longworth K.E., Lindholm A., et al. Oxygen transport during exercise in large mammals. I. Adaptive variation in oxygen demand. J. Appl. Physiol. 67:1989;862-870.
30. Karas R.H., Taylor C.R., Rösler K., Hoppeler H. Adaptive variation in the mammalian respiratory system in relation to energetic demand. V. Limits to oxygen transport by the circulation. Respir. Physiol. 69:1987;65-80.
31. Millard R.W., Johansen K. Ventricular outflow dynamics in the lizard, Varanus niloticus: responses to hypoxia, hypercarpia and diving. J. Exp. Biol. 6:1974;871-880.
32. Milsom W.K. Compatative aspects of vertebrate pulmonary mechanics. Wood S.C., Lung Biology in Health and Disease: Comparative Pulmonary Physiology, vol. 39. 1989;587-619 Marcel Dekker, New York.
33. Mitchell G.S., Gleeson T.T., Bennett A.F. Ventilation and acid-base balance during graded activity in lizards. Am. J. Physiol. 240:1981a;R29-R37.
34. Mitchell G.S., Gleeson T.T., Bennett A.F. Pulmonary oxygen transport during activity in lizards. Respir. Physiol. 43:1981b;365-375.
35. Owerkowicz T., Farmer C.G., Hicks J.W., Brainerd E.L. Contribution of gular pumping to lung ventilation in monitor lizards. Science. 284:1999;1661-1663.
36. Perry S.F., Duncker H.-R. Lung structure, volume and static mechanics in five species of lizards. Respir. Physiol. 34:1978;61-81.
37. Piiper J., Scheid P. Modelling of gas exchange in vertebrate lungs, gills, and skin. Wood S.C., Weber R.E., Hargens A.R., Millard R.W., Lung Biology in Health and Disease: Physiological Adaptations in Vertebrates: Respiration, Circulation, and Metabolism, vol. 56. 1992;69-95 Marcel Dekker, New York.
38. Powell F.L. Jr. Respiratory gas exchange during exercise. Jones J.H., Advances in Veterinary Science and Comparative Medicine: Comparative Vertebrate Exercise Physiology, vol. 38A. 1994;253-285 Academic Press, San Diego.
39. Saunders D.K., Fedde M.R. Exercise performance in birds. Jones J.H., Advances in Veterinary Science and Comparative Medicine: Comparative Vertebrate Exercise Physiology, vol. 38B. 1994;139-190 Academic Press, San Diego.
40. Schultz, T.R., 2001. Oxygen Transport in Varanid Lizards during Exercise. Ph.D. thesis, Northern Territory University.
41. Schultz T.R., Christian K.A., Frappell P.B. Do lizards breathe through their mouth while running? Exper. Biol. Online. 4:1999;39-46.
42. Taylor C.R., Weibel E.R. Design of the mammalian respiratory system. I. Problem and strategy. Respir. Physiol. 44:1981;1-10.
43. Thompson G.G., Withers P.C. Standard and maximal metabolic rates of goannas (Squamata: Varanidae). Physiol. Zool. 70:1997;307-323.
44. Wang T., Hicks J.W. The interaction of pulmonary ventilation and the right-left shunt on arterial oxygen levels. J. Exp. Biol. 199:1996;2121-2129.
45. Wang T., Carrier D.R., Hicks J.W. Ventilation and gas exchange in lizards during treadmill exercise. J. Exp. Biol. 200:1997;2629-2639.
46. Wang T., Smits A.W., Burggren W.W. Pulmonary function in reptiles. Gans C., Gaunt A.S., Biology of the Reptilia. 1998;297-374 Society for the study of amphibians and reptiles, Ithaca.
47. Weibel E.R., Taylor C.R., Gehr P., Hoppeler H., Mathieu O., Maloiy G.M. Design of the mammalian respiratory system. IX. Functional and structural limits for oxygen flow. Respir. Physiol. 44:1981;151-164.
48. Wood S.C. Cardiovascular shunts and oxygen transport in lower vertebrates. Am. J. Physiol. 247:1984;R3-R14.
49. Wood S.C., Johansen K., Gatz R.N. Pulmonary blood flow, ventilation/perfusion ratio and oxygen transport in a varanid lizard. Am. J. Physiol. 233:1977;R89-R93.
50. Wood S.C., Johansen K., Glass M.L., Maloiy G.M.O. Aerobic metabolism of the lizard Varanus exanthematicus: effects of activity, temperature, and size. J. Comp. Physiol. 127:1978;331-336.