Publications

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[sensitivity of the malagasian frugivorous bat, pteropus rufus, to the inoculation of yersinia pestis]. 19714261513
[the pathogenic enterobacteria of pteropus rufus (megachiroptera) in madagascar]. 19714261949
[a new reservoir of viruses of enterobacteriaceae pathogenic to humans: the megachiroptera pteropus rufus geoffroy, in madagascar]. 19704987005
[are frugivorous bats pteropus rufus geoffroy reservoirs of viruses for salmonella typhi in madagascar?]. 19705537745
the knee joint of the flying fox (pteropus rufus).as the flying fox (pteropus rufus) knee does not exhibit any sign of allowing rotation, the aim of this study was to evaluate the factors preventing rotation. menisci are not present. yet, the femoral and tibial articular surfaces are not anatomically congruent as the kinematic mechanism of the knee is not based on a pure hinge but on a "four-bar linkage" construction, which consists of femur, tibia and the guiding bundles of the cruciates. therefore, the cruciate ligaments have the same functio ...19938398546
henipavirus and tioman virus antibodies in pteropodid bats, madagascar.specimens were obtained from the 3 malagasy fruit bats, pteropus rufus, eidolon dupreanum, and rousettus madagascariensis. antibodies against nipah, hendra, and tioman viruses were detected by immunoassay in 23 and by serum neutralization tests in 3 of 427 serum samples, which suggests that related viruses have circulated in madagascar.200717370536
using stable isotopes to infer the impacts of habitat change on the diets and vertical stratification of frugivorous bats in madagascar.human-modified habitats are expanding rapidly; many tropical countries have highly fragmented and degraded forests. preserving biodiversity in these areas involves protecting species-like frugivorous bats-that are important to forest regeneration. fruit bats provide critical ecosystem services including seed dispersal, but studies of how their diets are affected by habitat change have often been rather localized. this study used stable isotope analyses (δ15n and δ13c measurement) to examine how ...201627097316
detection of new genetic variants of betacoronaviruses in endemic frugivorous bats of madagascar.bats are amongst the natural reservoirs of many coronaviruses (covs) of which some can lead to severe infection in human. african bats are known to harbor a range of pathogens (e.g., ebola and marburg viruses) that can infect humans and cause disease outbreaks. a recent study in south africa isolated a genetic variant closely related to mers-cov from an insectivorous bat. though madagascar is home to 44 bat species (41 insectivorous and 3 frugivorous) of which 34 are endemic, no data exists conc ...201525888853
bartonella spp. in fruit bats and blood-feeding ectoparasites in madagascar.we captured, ectoparasite-combed, and blood-sampled cave-roosting madagascan fruit bats (eidolon dupreanum) and tree-roosting madagascan flying foxes (pteropus rufus) in four single-species roosts within a sympatric geographic foraging range for these species in central madagascar. we describe infection with novel bartonella spp. in sampled eidolon dupreanum and associated bat flies (cyclopodia dubia), which nest close to or within major known bartonella lineages; simultaneously, we report the a ...201525706653
cone photoreceptor diversity in the retinas of fruit bats (megachiroptera).older studies have claimed that bats including the megachiroptera (fruit bats or flying foxes) have pure-rod retinas and possess no cone photoreceptors. we have determined the presence and the population densities of spectral cone types in six megachiropteran species belonging to four genera: pteropus rufus, p. niger, p. rodricensis, rousettus madagascariensis, eidolon dupreanum, and epomophorus gambianus. spectral cone types and rods were assessed immunocytochemically with opsin-specific antibo ...200717522478
karyotypic evolution in malagasy flying foxes (pteropodidae, chiroptera) and their hipposiderid relatives as determined by comparative chromosome painting.pteropodidae and hipposideridae are 2 of the 9 chiropteran families that occur on madagascar. despite major advancements in the systematic study of the island's bat fauna, few karyotypic data exist for endemic species. we utilized g- and c-banding in combination with chromosome painting with myotismyotis probes to establish a genome-wide homology among malagasy species belonging to the families pteropodidae (pteropus rufus 2n = 38; rousettus madagascariensis, 2n = 36), hipposideridae (hipposider ...201627256929
flying foxes create extensive seed shadows and enhance germination success of pioneer plant species in deforested madagascan landscapes.seed dispersal plays a significant role in forest regeneration and maintenance. flying foxes are often posited as effective long-distance seed dispersers due to their large home ranges and ability to disperse seeds when flying. we evaluate the importance of the madagascan flying fox pteropus rufus in the maintenance and regeneration of forests in one of the world's priority conservation areas. we tested germination success of over 20,000 seeds from the figs ficus polita, f. grevei and f. lutea e ...201728877248
population trends for two malagasy fruit bats.madagascar is home to three endemic species of old world fruit bat, which are important pollinators and seed dispersers. we aimed to quantitatively assess population trajectories for the two largest of these species, the iucn-listed 'vulnerable' eidolon dupreanum and pteropus rufus. to this end, we conducted a longitudinal field study, in which we live-captured e. dupreanum and p. rufus, estimated species-specific fecundity rates, and generated age-frequency data via histological analysis of cem ...201931937976
disentangling serology to elucidate henipa- and filovirus transmission in madagascar fruit bats.bats are reservoirs for emerging human pathogens, including hendra and nipah henipaviruses and ebola and marburg filoviruses. these viruses demonstrate predictable patterns in seasonality and age structure across multiple systems; previous work suggests that they may circulate in madagascar's endemic fruit bats, which are widely consumed as human food. we aimed to (a) document the extent of henipa- and filovirus exposure among malagasy fruit bats, (b) explore seasonality in seroprevalence and se ...201930908623
babesial infection in the madagascan flying fox, pteropus rufus é. geoffroy, 1803.babesiae are erythrocytic protozoans, which infect the red blood cells of vertebrate hosts to cause disease. previous studies have described potentially pathogenic infections of babesia vesperuginis in insectivorous bats in europe, the americas and asia. to date, no babesial infections have been documented in the bats of madagascar, or in any frugivorous bat species worldwide.201930674343
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