Eighty-two Pasteurellaceae isolates from marsupials characterized by phylogenetic analysis of rpoB gene sequences formed five distinct groups. Twenty-one strains from long-nosed potoroos ( Potorous tridactylus apicalis), spotted-tailed quolls ( Dasyurus maculatus), and eastern quolls ( Dasyurus viverrinus) made up group 1, which classified with Frederiksenia canicola. Group 2, 15 strains from Tasmanian devils ( Sarcophilus harrisii), common wombats ( Vombatus ursinus), common ring-tailed possums ( Pseudocheirus peregrinus), and eastern quolls, grouped with Pasteurella multocida. Three strains from koalas ( Phascolarctos cinereus) formed group 3 and clustered with Lonepinella koalarum. Group 4, 13 common wombat strains only distantly related to other Pasteurellaceae, probably represent a new genus. Finally, 29 strains from Tasmanian devils, spotted-tailed quolls and eastern quolls formed group 5 and clustered with 15 previously described Tasmanian devil strains, belonging to a yet unnamed Pasteurellaceae taxon. The results strongly indicate that Pasteurellaceae bacteria represent a part of the normal oral microbiota in marsupials.
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http://dx.doi.org/10.1638/2017-0071.1 | DOI Listing |
Commun Biol
May 2024
School of BioSciences, The University of Melbourne, Melbourne, VIC, 3010, Australia.
Environ Manage
May 2024
Ecotec Environmental, Brunswick, VIC, Australia.
As human activity accelerates the global crisis facing wildlife populations, private land conservation provides an example of wildlife management challenges in social-ecological systems. This study reports on the research phase of 'WildTracker' - a co-created citizen science project, involving 160 landholders across three Tasmanian regions. This was a transdisciplinary collaboration between an environmental organisation, university researchers, and local landholders.
View Article and Find Full Text PDFAnat Rec (Hoboken)
December 2021
Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Berlin, Germany.
Early postnatal lung development (1-25 days) in the eastern quoll (Dasyurus viverrinus) was investigated to assess the morphofunctional status of one of the most immature marsupial neonates. Lung volume, surface density, surface area, and parenchymal and nonparenchymal volume proportions were determined using light microscopic morphometry. The lungs of the neonate were at the canalicular stage and consisted of two "balloon-like" airways with few septal ridges.
View Article and Find Full Text PDFTheories of dispersal and senescence (or aging) predict that dispersal, and ongoing survival and body condition, are influenced by evolutionary drivers, along with intrinsic and extrinsic factors. Such theories are relevant to translocations of animals where high mortality, loss of body condition, and dispersal beyond the area of release are commonly reported. However, these theories have rarely been tested using data from translocations.
View Article and Find Full Text PDFJ Zoo Wildl Med
January 2021
Langford Veterinary Services, Langford House, Langford, Bristol BS40 5DU, United Kingdom.
Leukoencephalomyelopathy (LEM) is suggested to be an age-related degenerative condition in geriatric Eastern quolls (), manifesting in animals greater than 3.5 yr of age. This case series describes four LEM cases from two zoologic collections; three in nongeriatric animals, with one only 1 yr of age, and details advanced diagnostic investigation, including magnetic resonance imaging, cerebrospinal fluid analysis, and electrodiagnostic studies, not previously reported in Eastern quolls.
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