Blood plasma glucose regulation in Wahlberg's epauletted fruit bat

African Zoology

Volumn 47, Issue 2, 2012, Pages 348-352

  Mqokeli, Babalwa R ^a   Downs, Colleen T ^a  

^a UNIVERSITY OF KWAZULU NATAL   (South Africa)

Author keywords

frugivore; fruit; glucose regulation; nectar; plasma glucose

Indexed keywords

BAT; BLOOD; CONCENTRATION (COMPOSITION); FRUGIVORY; GLUCOSE; NECTAR;

EID: 84874069024     PISSN: 15627020     EISSN: None     Source Type: Journal    
DOI: 10.3377/004.047.0218     Document Type: Article

References (36)

1. BAKER, H.G., BAKER, I. & HODGES, S.A. 1998. Sugar composition of nectars and fruits consumed by birds and bats in the tropics and subtropics. Biotropica 30: 559-586.
2. BEUCHAT, C.A. & CHONG, C.R. 1998. Hyperglycemia in hummingbirds and its consequences for hemoglobin glycation. Comparative Biochemistry and Physiology A 120: 409-416.
3. BOILY, F., BEAUDOIN, S. & MEASURES, L.N. 2006. Hematology and serum chemistry of harp (Phoca groenlandica) and hooded seals (Cystophora cristata) during the breeding season, in the Gulf of St. Lawrence, Canada. Journal of Wildlife Diseases 42: 115-132.
4. BRAUN, E.J. & SWEAZEA, K.L. 2008. Glucose regulation in birds. Comparative Biochemistry and Physiology B 151: 1-9.
5. COLEMAN, J.C. & DOWNS, C.T. 2012. The sweet side of life: nectar sugar type and concentration preference in Wahlberg's epauletted fruit bat. Comparative Biochemistry and Physiology A 162: 431-436.
6. DOWNS, C.T., MQOKELI, B. & SINGH, P. 2012. Sugar assimilation and digestive efficiency in Wahlberg's epauletted fruit bat (Epomophorus wahlbergi). Comparative Biochemistry and Physiology A 161: 344-348.
7. DOWNS, C.T., WELLMANN, A.E. & BROWN, M. 2010. Diel variations in plasma glucose concentrations of malachite sunbirds Nectarinia famosa. Journal of Ornithology 151: 235-239.
8. HEARD, D.J. & WHITTIER, D.A. 1997. Hematologic and plasma biochemical reference values for three flying fox species (Pteropus sp.). Journal of Zoo and Wildlife Medicine 28: 464-470.
9. HERRERA, L.M. 1999. Preferences for different sugars in Neotropical nectarivorous and frugivorous bats. Journal of Mammalogy 80: 683-688.
10. INGLE, N. 2003. Seed dispersal by wind, birds, and bats between Philippine montane rainforest and succes-sional vegetation. Oecologia 134: 251-261.
11. JORDAAN, L.A. & DOWNS, C.T. 2012. Nutritional and morphological traits of invasive and exotic fleshy-fruits in South Africa. Biotropica 44: 738-743.
12. JORDAAN, L.A., JOHNSON, S.D. & DOWNS, C.T. 2012. Wahlberg's epauletted fruit bat (Epomophorus wahl-bergi) as a potential dispersal agent for fleshy-fruited invasive alien plants: effects of handling behaviour on seed germination. Biological Invasions 14:959-968.
13. KAWAHITO, S., KITAHATA, H. & SHUZO, O. 2009. Prob-lems associated with glucose toxicity: role of hyper-glycemia-induced oxidative stress. World Journal of Gastroenterology 15: 4137-4142.
14. KEEGAN, D.J. 1977. Aspects of the assimilation of sugars by Rousettus aegyptiacus. Comparative Biochemistry & Physiology 58A: 349-52.
15. KELM, D.H., SIMON, R., KUHLOW, D., VOIGT, C.C. & RISTOW, M. 2011. High activity enables life on a high-sugar diet: blood glucose regulation in nectar-feeding bats. Proceedings of the Royal Society B 278: 3490-3496.
16. KJELD, M. & OLAFSSON, O. 2008. Allometry(scaling) of blood components in mammals: connection with economy of energy? Canadian Journal of Zoology 86: 890-899.
17. KORINE, C., ZINDER, O. & ARAD, Z. 1999. Diurnal and seasonal changes in blood composition of the free-living Egyptian fruit bat (Rousettus aegyptiacus). Journal of Comparative Physiology B 169: 280-286.
18. LEPCZYK, C.A., MURRAY, K.G., WINNETT-MURRAY, K., BARTELL, P., GEYER, E. & WORK, T. 2000. Seasonal fruit preferences for lipids and sugars by American robins. Auk 117: 709-717.
19. LOBBAN, K., DOWNS, C.T. & BROWN, M. 2010. Diel variations in plasma glucose concentration in some South African avian frugivores. Emu 110: 66-70.
20. MARTINEZ DEL RIO, C. & STEVENS, B.R. 1989. Physiological constraint on feeding behavior: intestinal membrane disaccharides of the starling. Science 243: 794-796.
21. McLAUGHLIN, A.B., EPSTEIN, J.H., PRAKASH, V, SMITH, C.S., DASZAK, P., FIELD, H.E. & CUNNINGHAM, A. 2007. Plasma biochemistry and hematologic values for wild-caught flying foxes (Pteropus giganteus) in India. Journal of Zoo and Wildlife Medicine 38: 446-452.
22. MEDELLIN, R.A. & GAONA, O. 1999. Seed dispersal by bats and birds in forest and disturbed habitats of Chiapas, Mexico. Biotropica 31: 478-485.
23. MICHELMORE, A.J., KEEGAN, D.J. & KRAMER, B. 1998. Immunocytochemical identification of endocrine cells in the pancreas of the fruit bat, Rousettus aegyptiacus. General and Comparative Endocrinology 110: 319-325.
24. MONADJEM, A., TAYLOR, P.J., COTTERIL, F.P.D. & SCHOEMAN, M.C. 2010. Bats of Southern and Central Africa. Wits University Press, Johannesburg, South Africa.
25. OPAZO, J.C., SOTO-GAMBOA, M. & BOZINOVIC, F. 2004. Blood glucose concentration in caviomorph rodents. Comparative Biochemistry and Physiology A 137: 57-64.
26. PROTZEK, A.O.P., RAFACHO, A., VISCELLI, B.A., BOSQUEIRO, J.R., CAPPELLI, A.P., PAULA, F.M.M., BOSCHERO, A.C. & PINHEIRO, E.C. 2010. Insulin and glucose sensitivity, insulin secretion and Ä-cell distribution in endocrine pancreas of the fruit bat Artibeus lituratus. Comparative Biochemistry and Physiology A 157: 142-148.
27. RIBA-HERNÁNDEZ, P., STONER, K.E. & LUCAS, P.W. 2003. The sugar composition of fruits in the diet of Spider monkeys (Ateles geoffroyi) in tropical humid forest in Costa Rica. Journal of Tropical Ecology 19: 709-716.
28. SCHINNERL, M., AYDINONAT, D., SCHWARZEN-BERGER, F. & VOIGT, C.C. 2011. Hematological surveyofcommonneotropicalbatspeciesfromCosta Rica. Journal of Zoo and Wildlife Medicine 42: 382-391.
29. SHERWOOD, L., KLANDORF, H. & YANCEY, P.H. 2005. Animal Physiology: From Genes to Organisms. Thomson, London.
30. SKINNER, J.D. & CHIMIMBA, C.T. 2005. The Mammals of the Southern African Subregion, 3rd edn. Cambridge University Press, Cambridge.
31. SUAREZ, R.K., LIGHTON, J.R.B., MOYES, C.D., BROWN, G.S., GASS, C.L. & HOCKACHKA, P.W. 1990. Fuel selection in rufous hummingbirds: ecological implications of metabolic biochemistry. Proceedings of the National Academy of Sciences of the United States of America 87: 9207-9210.
32. TRACY, C.R., McWHORTER, T.J., KORINE, C., WOJCIECHOWSKI, M.S., PINSHOW, B. & KARASOV, W.H. 2007. Absorption of sugars in the Egyptian fruit bat (Rousettus aegyptiacus): a paradox explained. Journal of Experimental Biology 210: 1726-1734.
33. VAN DER WESTHUYZEN, J. 1976. The feeding pattern of the fruit bat Rousettus aegyptiacus. South African Journal of Medical Science 41: 271-278.
34. VOIGT, C.C. & SPEAKMAN, J.R. 2007. Nectar-feeding bats fuel their high metabolism directly with exogenous carbohydrates. Functional Ecology 21: 913-921.
35. WIDMAIER, E.P. & KUNZ, T.H. 1993. Basal, diurnal, and stress-induced levels of glucose and glucocorticoids in captive bats. Journal of Experimental Biology 265: 533-540.
36. WILSON, A-L. & DOWNS, C.T. 2012. Fruit nutritional composition and non-nutritive traits of indigenous South African tree species. South African Journal of Botany 78: 30-36.