期刊
BIOLOGY LETTERS
卷 11, 期 9, 页码 -出版社
ROYAL SOC
DOI: 10.1098/rsbl.2015.0576
关键词
lipopolysaccharide; white blood cell count; Molossus; immune response; toll-like receptor 4; mass loss
资金
- Max Planck Institute for Ornithology
- German Research Foundation (DFG) [DE 1807/3-1]
- Smithsonian Tropical Research Institute
Bat immune systems may allow them to respond to zoonotic agents more efficiently than other mammals. As the first line of defence, the taxonomically conserved acute phase immune reaction of leucocytosis and fever is crucial for coping with infections, but it is unknown if this response is a key constituent to bat immunological success. We investigated the acute phase reaction to a standard lipopolysaccharide (LPS) challenge in Pallas's mastiff bats (Molossus molossus). Challenged bats lost mass, but in contrast to other mammals showed no leucocytosis or fever. There also was no influence on body temperature reduction during torpor. When compared to recent genome-wide assays for constituent immune genes, this lack of a conserved fever response to LPS contributes to a clearer understanding of the innate immune system in bat species and of the coevolution of bats with a wide diversity of pathogens.
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