Endotoxin-induced behavioural fever in the Madagascar cockroach, Gromphadorhina portentosa |
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Authors: | S.M. Bronstein W.E. Conner |
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Affiliation: | Department of Zoology, Duke University, Durham, North Carolina 27706, U.S.A. |
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Abstract: | Injections of a suspension of E. coli into the haemocoel of Gromphadorhina portentosa induced dose-dependent behavioural fevers. Cockroaches injected with bacteria and placed in a thermal gradient preferred temperatures significantly elevated over those chosen by control cockroaches. The fever response could also be induced by the injection of bacterial endotoxin, lipopolysaccharide-W. This is the first indication that insects are capable of febrogenesis. |
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Keywords: | Bacterial endotoxin behavioural fever lipopolysaccharide-W preferred temperature thermoregulation |
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