| Publication Type: | Journal Article |
| Year of Publication: | 1999 |
| Authors: | E. R. Dumont, Etzel, K., Hempel, D. |
| Journal: | Mammalia |
| Volume: | 63 |
| Pagination: | 159-166 |
| Date Published: | 1999 |
| Keywords: | Chaerephon pumilus, Chiroptera, diet, Epomophorus labiatus, Epomophorus minor, Ernährungsweise, Ethiopia, Fledermäuse, Mammalia, Molossidae, Mops condylurus, Myotis tricolor, Nahrung, Neoromicia nanus, Northeast Africa, proteins, Pteropodidae, saliva, Vespertilionidae |
| Abstract: | Whole saliva samples were gathered from four insectivorous (Myotis tricolor, Pipistrellus africanus, Mops condylurus, and Chaerephon pumilla) and two frugivorous (Epomophorus labiatus, E. minor) bat species following a 6-10 hour fasting period and immediately stored in liquid nitrogen. Proteins within the samples were visualized by SDS-PAGE techniques modified for saliva. With the exception of E. minor, each species is represented by four to five individuals. Only minor fluctuations in protein banding patterns were encountered among conspecifics. However, frugivores exhibit a major band at 60 Kd that is absent in insectivores, and insectivores exhibit a major 40 Kd band that is lacking in frugivores. Peptides from three sets of bands were extracted directly from the gels after in-situ proteolysis and isolation using HPLC. Comparison of amino acid sequences to the PIR, EC, and SwisProt databanks did not yield any compelling similarities, though some interesting potential matches were generated. Based on their molecular weights, potential identities of the proteins are discussed with respect to their roles in digestion and the maintenance of the oral cavity. These data constitute the first comparative analysis of bat salivary proteins and suggest that this novel source of data will prove useful in answering both functional and evolutionary questions. |