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Artículos de revistas sobre el tema "Marsupial diseases"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 20 de febrero de 2023

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1

Deakin, Janine E. "Marsupial Genome Sequences: Providing Insight into Evolution and Disease." Scientifica 2012 (2012): 1–22. http://dx.doi.org/10.6064/2012/543176.

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Marsupials (metatherians), with their position in vertebrate phylogeny and their unique biological features, have been studied for many years by a dedicated group of researchers, but it has only been since the sequencing of the first marsupial genome that their value has been more widely recognised. We now have genome sequences for three distantly related marsupial species (the grey short-tailed opossum, the tammar wallaby, and Tasmanian devil), with the promise of many more genomes to be sequenced in the near future, making this a particularly exciting time in marsupial genomics. The emergenc

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Marcondes, Carlos Brisola, João Carlos Pinto Dias, Leonardo A. Guedes, Antenor N. Ferraz Filho, Vera L. C. C. Rodrigues, and Delosmar D. Mendonça. "Estudo epidemiológico de fontes de alimentação sangüínea dos triatomíneos da fazenda aroeira (Catolé do Rocha, Paraíba) e circunvizinhanças." Revista da Sociedade Brasileira de Medicina Tropical 24, no. 3 (September 1991): 137–40. http://dx.doi.org/10.1590/s0037-86821991000300002.

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Analisamos a fonte de alimentação sangüínea de 94 triatomíneos (51 Triatoma brasiliensis, 42 T. pseudomaculata e um Rhodnius neglectus) da Fazenda Aroeira, no Município de Catolé do Rocha, no Estado da Paraíba, e de quatro localidades próximas. Observamos positividade para marsupial, homem e ave, respectivamente, de 39,7 , 6,2 e 23,0%. Três insetos da Fazenda Aroeira, positivos para Trypanosoma cruzi, foram positivos para marsupial, só um deles também para outro mamífero. Os marsupiais são a mais importante fonte de T. cruzi para os insetos da área e estes têm pouco contato com o homem.

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Speight, Natasha. "Health and Diseases of Koalas." Animals 12, no. 8 (April 13, 2022): 1005. http://dx.doi.org/10.3390/ani12081005.

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The koala (Phascolarctos cinereus) is an arboreal marsupial that is found throughout much of eastern and southeastern Australia, and it relies primarily on eucalypt trees for food, water and shelter [...]

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Canto-Osorio, Juan Miguel, Alan Cuxim-Koyoc, Hugo A. Ruiz-Piña, Juan B. Morales-Malacara, and Enrique Reyes-Novelo. "Ectoparasites of Didelphis virginiana From Yucatan, Mexico." Journal of Medical Entomology 57, no. 6 (June 6, 2020): 1821–29. http://dx.doi.org/10.1093/jme/tjaa106.

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Abstract A faunal study is presented to determine the species of ectoparasites found in the opossum Didelphis virginiana (Kerr) (Marsupialia: Didelphidae). For this, Tomahawk traps were placed in the peridomiciles of a rural town in Yucatán, to capture individuals of this marsupial and proceed to the collection of their ectoparasites. A total of 3,023 arthropods were collected from 145 opossums. The most frequent ectoparasites were the acarines Ornithodoros (Alectorobius) nr. talaje (64.8%) (Argasidae); Ornithonyssus wernecki Fonseca (53.8%) (Macronyssidae) and Didelphilicus serrifer Fain (25.

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5

PARAMESWARAN, N., R. M. O'HANDLEY, M. E. GRIGG, A. WAYNE, and R. C. A. THOMPSON. "Vertical transmission of Toxoplasma gondii in Australian marsupials." Parasitology 136, no. 9 (June 24, 2009): 939–44. http://dx.doi.org/10.1017/s0031182009006453.

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SUMMARYTo date, little is known about the dynamics of vertical transmission of Toxoplasma gondii in Australian marsupials. Studies in mice demonstrate that vertical transmission of T. gondii is common and that chronically infected mice can transmit T. gondii to successive generations. In this study, PCR and immunohistochemistry were used to detect T. gondii in chronically infected marsupial dams and their offspring. T. gondii was detected in the unfurred pouch young of 2 out of 10 chronically infected western grey kangaroos (Macropus fuliginosus) and in the unfurred pouch young of a brush-tail

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Hernández, Leonardo H. Almeida, Thito Y. Bezerra da Paz, Sandro Patroca da Silva, Fábio S. da Silva, Bruno C. Veloso de Barros, Bruno T. Diniz Nunes, Lívia M. Neves Casseb, Daniele B. Almeida Medeiros, Pedro F. da Costa Vasconcelos, and Ana C. Ribeiro Cruz. "First Genomic Evidence of a Henipa-like Virus in Brazil." Viruses 14, no. 10 (September 30, 2022): 2167. http://dx.doi.org/10.3390/v14102167.

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The viral genus Henipavirus includes two highly virulent zoonotic viruses of serious public health concern. Hendra henipavirus and Nipah henipavirus outbreaks are restricted to Australia and Southeast Asia, respectively. The Henipavirus genus comprises mostly bat-borne viruses, but exceptions have already been described as novel viruses with rodents and shrews as reservoir animals. In the Americas, scarce evidence supports the circulation of these viruses. In this communication, we report a novel henipa-like virus from opossums (Marmosa demerarae) from a forest fragment area in the Peixe-Boi m

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Jones, Kegan Romelle, and Laura Tardieu. "Giardia and Cryptosporidium in Neo-Tropical Rodents and Marsupials: Is There Any Zoonotic Potential?" Life 11, no. 3 (March 20, 2021): 256. http://dx.doi.org/10.3390/life11030256.

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Cryptosporidiosis and giardiasis have been identified as emerging diseases in both developed and developing countries. Wildlife has been highlighted to play a major role in the spread of these diseases to humans. This review aims to highlight the research findings that relate to Cryptosporidium spp. and Giardia spp., with a focus on (1) parasitism of neo-tropical hystricomorphic rodents and marsupials from the genus Didelphis and (2) prevention and treatment strategies for humans and animals for the neo-tropical region. It was found that there are few studies conducted on neo-tropical rodent a

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8

Santamaria–Bouvier, Ariane. "Medical Conditions of Wild Virginia Opossums (Didelphis virginiana)." Wildlife Rehabilitation Bulletin 30, no. 1 (June 30, 2012): 1–7. http://dx.doi.org/10.53607/wrb.v30.56.

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While the Virginia opossum is a frequent admission for wildlife caretakers, there is limited published information on diseases of this animal. A review of noninfectious and infectious diseases of the Virginia opossum and reported treatment options highlights what is known and the need for further data on this North American marsupial species.

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9

Thompson, R. C. Andrew, Alan J. Lymbery, and Stephanie S. Godfrey. "Parasites at Risk – Insights from an Endangered Marsupial." Trends in Parasitology 34, no. 1 (January 2018): 12–22. http://dx.doi.org/10.1016/j.pt.2017.09.001.

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Da Costa, Erika de Cássia Vieira, Marise Sobreira, Nilma Cintra Leal, and Alzira Maria Paiva De Almeida. "Rodents and other small mammal reservoirs in plague foci in northeastern Brazil." Journal of Infection in Developing Countries 11, no. 05 (June 1, 2017): 426–30. http://dx.doi.org/10.3855/jidc.8271.

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Introduction: Plague is an acute, infectious zoonotic disease, primarily of wild rodents and their fleas, that affects humans and other mammals. In Brazil, several plague foci are located in the northeast region. Plague surveillance based on monitoring of rodents was discontinued in 2007, and the current information on rodent populations is unsatisfactory. Our purpose was to update the information on rodents and other small mammals in plague foci in northeastern Brazil. Methodology: Nine surveys in the historically most important northeastern plague areas were conducted in 2013-2015.&#x0

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SMITH, A., P. CLARK, S. AVERIS, A. J. LYMBERY, A. F. WAYNE, K. D. MORRIS, and R. C. A. THOMPSON. "Trypanosomes in a declining species of threatened Australian marsupial, the brush-tailed bettong Bettongia penicillata (Marsupialia: Potoroidae)." Parasitology 135, no. 11 (August 28, 2008): 1329–35. http://dx.doi.org/10.1017/s0031182008004824.

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SUMMARYThe brush-tailed bettong (Bettongia penicillata), or woylie, is a medium-sized macropod marsupial that has undergone a rapid and substantial decline throughout its home range in the Upper Warren region of Western Australia over a period of approximately 5 years. As part of an investigation into possible causes of the decline a morphologically distinct Trypanosoma sp. was discovered by light microscopy in the declining population but was absent in a stable population within the Karakamia Wildlife Sanctuary. Further investigations employing molecular methods targeting variations in the 18

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12

Morris, Katrina, Peter J. Prentis, Denis O'Meally, Ana Pavasovic, Alyce Taylor Brown, Peter Timms, Katherine Belov, and Adam Polkinghorne. "The koala immunological toolkit: sequence identification and comparison of key markers of the koala (Phascolarctos cinereus) immune response." Australian Journal of Zoology 62, no. 3 (2014): 195. http://dx.doi.org/10.1071/zo13105.

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The koala (Phascolarctos cinereus) is an Australian marsupial that continues to experience significant population declines. Infectious diseases caused by pathogens such as Chlamydia are proposed to have a major role. Very few species-specific immunological reagents are available, severely hindering our ability to respond to the threat of infectious diseases in the koala. In this study, we utilise data from the sequencing of the koala transcriptome to identify key immunological markers of the koala adaptive immune response and cytokines known to be important in the host response to chlamydial i

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13

Godfrey, Stephanie S., Sarah Keatley, Adriana Botero, Craig K. Thompson, Adrian F. Wayne, Alan J. Lymbery, Keith Morris, and R. C. Andrew Thompson. "Trypanosome co-infections increase in a declining marsupial population." International Journal for Parasitology: Parasites and Wildlife 7, no. 2 (August 2018): 221–27. http://dx.doi.org/10.1016/j.ijppaw.2018.06.002.

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14

Legey, Ana Paula, Ana Paula Pinho, Samanta C. C. Xavier, Renato Marchevsky, João Carlos Carreira, Leonor L. Leon, and Ana Maria Jansen. "Trypanosoma cruzi in marsupial didelphids (Philander frenata and Didelhis marsupialis): differences in the humoral immune response in natural and experimental infections." Revista da Sociedade Brasileira de Medicina Tropical 36, no. 2 (April 2003): 241–48. http://dx.doi.org/10.1590/s0037-86822003000200008.

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Philander frenata and Didelphis marsupialis harbor parasitism by Trypanosoma cruzi without developing any apparent disease and on the contrary to D. marsupialis, P. frenata maintains parasitism by T. cruzi II subpopulations. Here we compared the humoral immune response of the two didelphids naturally and experimentally infected with T. cruzi II group, employing SDS-PAGE/Western blot techniques and by an Indirect immunofluorescence assay. We also studied the histopathological pattern of naturally and experimentally infected P. frenata with T. cruzi. P. frenata sera recognized more antigens than

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15

Northover, Amy S., R. C. Andrew Thompson, Alan J. Lymbery, Adrian F. Wayne, Sarah Keatley, Amanda Ash, Aileen D. Elliot, Keith Morris, and Stephanie S. Godfrey. "Altered parasite community structure in an endangered marsupial following translocation." International Journal for Parasitology: Parasites and Wildlife 10 (December 2019): 13–22. http://dx.doi.org/10.1016/j.ijppaw.2019.07.001.

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16

Bassini-Silva, Ricardo, Cal Welbourn, and Ron Ochoa. "Two New Species of Chiggers (Trombidiformes: Trombiculidae) From Brazil." Journal of Medical Entomology 58, no. 4 (April 21, 2021): 1725–32. http://dx.doi.org/10.1093/jme/tjab062.

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Abstract Chigger mites are parasites of terrestrial vertebrates, including humans. Here, we describe two new species belonging to the American genera Colicus Brennan and Parasecia Loomis. Both species were described on the base of museum specimens originated from Minas Gerais State, Brazil, Colicus barrosbattestiae n. sp. parasitizing the rodent, Oligoryzomys fornesi and Parasecia jacinaviciusi n. sp. parasitizing the marsupial, Monodelphis domestica.

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17

Carneiro, Ianei de Oliveira, Norlan de Jesus Santos, Namá Santos Silva, Pedro Cerqueira Lima, Roberto Meyer, Eduardo Martins Netto, and Carlos Roberto Franke. "Knowledge, practice and perception of human-marsupial interactions in health promotion." Journal of Infection in Developing Countries 13, no. 04 (April 30, 2019): 342–47. http://dx.doi.org/10.3855/jidc.10177.

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Introduction: Approximately 60% of emerging pathogens originate from wild animals, with mammals being the main hosts. Among Didelphis, which are restricted to the Americas, the species Didelphis aurita and Didelphis albiventris are particularly widely distributed throughout Brazil, where they act as hosts for several pathogens transmissible to humans. The reduction of their natural habitat has resulted in the adaptation of these species to human environments. Animals hunting, due to food necessity or cultural habit, may increase pathogen exposure with a potential to zoonotic disease transmissi

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18

MERINO, SANTIAGO, JAVIER MARTÍNEZ, RODRIGO A. VÁSQUEZ, and JAN ŠLAPETA. "Monophyly of marsupial intraerythrocytic apicomplexan parasites from South America and Australia." Parasitology 137, no. 1 (September 3, 2009): 37–43. http://dx.doi.org/10.1017/s0031182009990710.

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SUMMARYIntraerythrocytic parasites (Apicomplexa: Sarcocystidae) of the South American mouse opossum (Thylamys elegans) from Chile, South America, and of the yellow-bellied glider (Petaurus australis) from Australia were found to be monophyletic using SSU rDNA and partial LSU rDNA sequences. Phylogenetic reconstruction placed both species within the family Sarcocystidae. These intraerythrocytic parasites of marsupials represent an as yet unnamed genus predicted to have bisporocystic oocysts and tetrazoic sporocysts, which is a characteristic feature of all members of the family Sarcocystidae. T

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19

Leal, Tereza Cristina Arcanjo, Nilma Cintra Leal, and Alzira Maria Paiva de Almeida. "Ausência de Yersinia enterocolitica em alimentos, e reservatórios animais, em áreas do Estado de Pernambuco, Brasil." Revista da Sociedade Brasileira de Medicina Tropical 30, no. 3 (June 1997): 193–96. http://dx.doi.org/10.1590/s0037-86821997000300004.

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Através das análises efetuadas, em 96 amostras de hortaliças cruas, coletadas em 5 restaurantes da cidade do Recife, que servem almoço no peso, não foram encontradas Yersinia enterocolitica nem outras enterobactérias patogênicas. As análises realizadas a partir dos "swabs" orais e retais, obtidos em 15 suínos aparentemente sadios do município de Bonito, no Estado de Pernambuco, também não evidenciaram a presença de Y. enterocolitica. Foram obtidas amostras para análises em 22 roedores e um espécimen de marsupial, entre os quais também não foram encontrados nem Y. enterocolitica nem outros ente

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Murdoch, Fiona A., and David M. Spratt. "Ecology of the common marsupial tick (Ixodes tasmani Neumann) (Acarina : Ixodidae), in eastern Australia." Australian Journal of Zoology 53, no. 6 (2005): 383. http://dx.doi.org/10.1071/zo05032.

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Ixodes tasmani is one of the most common and widespread of the Australian species of Ixodes and a vector of zoonotic rickettsial diseases. The tick was reared successfully in the laboratory; the entire life cycle was completed in 4 months. A diurnal rhythm of detachment from captive hosts (laboratory Rattus norvegicus) was observed for all stages and, combined with other evidence, suggests that I. tasmani is nidicolous. The prevalence and intensity of tick infestation on wild-caught, common brushtail possums (Trichosurus vulpecula), was least during the summer months. To investigate questing a

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Krige, Anna-Sheree, R. C. Andrew Thompson, Anke Seidlitz, Sarah Keatley, Julia Wayne, and Peta L. Clode. "Molecular Detection of Trypanosoma spp. in Questing and Feeding Ticks (Ixodidae) Collected from an Endemic Region of South-West Australia." Pathogens 10, no. 8 (August 16, 2021): 1037. http://dx.doi.org/10.3390/pathogens10081037.

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A growing number of indigenous trypanosomes have been reported to naturally infect a variety of Australian wildlife with some species of Trypanosoma implicated in the population decline of critically endangered marsupials. However, the mode of transmission of Australian trypanosomes is unknown since their vectors remain unidentified. Here we aimed to fill this current knowledge gap about the occurrence and identity of indigenous trypanosomes in Australian invertebrates by conducting molecular screening for the presence of Trypanosoma spp. in native ticks collected from south-west Australia. A

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22

Anstey, Susan I., Vasilli Kasimov, Cheryl Jenkins, Alistair Legione, Joanne Devlin, Jemima Amery-Gale, James Gilkerson, et al. "Chlamydia Psittaci ST24: Clonal Strains of One Health Importance Dominate in Australian Horse, Bird and Human Infections." Pathogens 10, no. 8 (August 11, 2021): 1015. http://dx.doi.org/10.3390/pathogens10081015.

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Chlamydia psittaci is traditionally regarded as a globally distributed avian pathogen that can cause zoonotic spill-over. Molecular research has identified an extended global host range and significant genetic diversity. However, Australia has reported a reduced host range (avian, horse, and human) with a dominance of clonal strains, denoted ST24. To better understand the widespread of this strain type in Australia, multilocus sequence typing (MLST) and ompA genotyping were applied on samples from a range of hosts (avian, equine, marsupial, and bovine) from Australia. MLST confirms that clonal

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23

Cross, Martin L., Stephen B. Fleming, Phil E. Cowan, Susie Scobie, Ellena Whelan, Diana Prada, Andrew A. Mercer, and Janine A. Duckworth. "Vaccinia virus as a vaccine delivery system for marsupial wildlife." Vaccine 29, no. 28 (June 2011): 4537–43. http://dx.doi.org/10.1016/j.vaccine.2011.04.093.

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Chilton, Neil B., Ian Beveridge, Ross H. Andrews, and David M. Spratt. "Apparent lack of genetic variation within Pelecitus roemeri (Nematoda: Filarioidea) from three Australian species of macropodid marsupial." International Journal for Parasitology 22, no. 7 (November 1992): 1023–27. http://dx.doi.org/10.1016/0020-7519(92)90064-r.

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Hillman, Alison E., Alan J. Lymbery, and R. C. Andrew Thompson. "Is Toxoplasma gondii a threat to the conservation of free-ranging Australian marsupial populations?" International Journal for Parasitology: Parasites and Wildlife 5, no. 1 (April 2016): 17–27. http://dx.doi.org/10.1016/j.ijppaw.2015.12.002.

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Achatz, Tyler J., Dawn W. Cleveland, Carlos Carrión Bonilla, Lawrence Cronin, and Vasyl V. Tkach. "New dicrocoeliid digeneans from mammals in Ecuador including a highly genetically divergent new genus from an ancient marsupial lineage." Parasitology International 78 (October 2020): 102138. http://dx.doi.org/10.1016/j.parint.2020.102138.

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27

Hufschmid, J., I. Beveridge, and K. A. Handasyde. "Haematology and serum biochemistry of adult free-ranging mountain brushtail possums (Trichosurus cunninghami), including correlations with season, sex, age, habitat type and disease status." Australian Journal of Zoology 61, no. 6 (2013): 430. http://dx.doi.org/10.1071/zo12097.

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For many wildlife species only limited data are available on haematology and blood biochemistry for free-ranging populations because these are often difficult to obtain. We collected blood samples from wild adult mountain brushtail possums (Trichosurus cunninghami) in the Strathbogie Ranges, Victoria (Australia), over two years, to provide reference values for haematological and some serum biochemical parameters (serum protein, sodium, chloride, potassium, urea, creatinine, creatine kinase and cortisol) for free-ranging animals. We also investigated patterns associated with sex, season, age, h

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Quigley, Bonnie L., and Peter Timms. "Helping koalas battle disease – Recent advances in Chlamydia and koala retrovirus (KoRV) disease understanding and treatment in koalas." FEMS Microbiology Reviews 44, no. 5 (June 18, 2020): 583–605. http://dx.doi.org/10.1093/femsre/fuaa024.

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ABSTRACT The iconic Australian marsupial, the koala (Phascolarctos cinereus), has suffered dramatic population declines as a result of habitat loss and fragmentation, disease, vehicle collision mortality, dog attacks, bushfires and climate change. In 2012, koalas were officially declared vulnerable by the Australian government and listed as a threatened species. In response, research into diseases affecting koalas has expanded rapidly. The two major pathogens affecting koalas are Chlamydia pecorum, leading to chlamydial disease and koala retrovirus (KoRV). In the last eight years, these pathog

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Yu, Hongshi, Andrew J. Pask, Yanqiu Hu, Geoff Shaw, and Marilyn B. Renfree. "ARX/Arx is expressed in germ cells during spermatogenesis in both marsupial and mouse." REPRODUCTION 147, no. 3 (March 2014): 279–89. http://dx.doi.org/10.1530/rep-13-0361.

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The X-linked aristaless gene,ARX, is essential for the development of the gonads, forebrain, olfactory bulb, pancreas, and skeletal muscle in mice and humans. Mutations cause neurological diseases, often accompanied by ambiguous genitalia. There are a disproportionately high number of testis and brain genes on the human and mouse X chromosomes. It is still unknown whether the X chromosome accrued these genes during its evolution or whether genes that find themselves on the X chromosome evolve such roles.ARXwas originally autosomal in mammals and remains so in marsupials, whereas in eutherian m

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Rodrigues, Vera Lúcia C. Corrêa, Antenor do Nascimento Ferraz Filho, Eduardo Olavo da Rocha e. Silva, and Virgilia Luna Castor de Lima. "Prevalência, índices de infecção e hábitos alimentares de triatomíneos capturados em uma área de vigilância epidemiológica." Revista da Sociedade Brasileira de Medicina Tropical 25, no. 3 (September 1992): 183–90. http://dx.doi.org/10.1590/s0037-86821992000300006.

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Em continuação a estudo anterior, relativo à prevalência e infecção por Trypanosoma cruzi dos triatomíneos capturados na região administrativa de Campinas, SP, os autores apresentam dados do período de 1982-1986, acrescentando informações sobre respastos sangüíneos realizados por 7.785 exemplares. Para tanto, foram utilizados os anti-soros: ave, marsupial, roedor e humano, através dos quais constataram o ecletismo alimentar de Panstrongylus megistus, espécie predominante na região, cujas formas aladas são encontradas com freqüência, infectadas por T. cruzi, nas casas habitadas. Desses, 14,78%

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Soares, Manoel do Carmo P., Gilberta Bensabath, and Amélia P. A. Travassos da Rosa. "The presence of antibodies for hepatitis a virus in amazonia Didelphis marsupialis (Vertebrata, Marsupialia)." Revista do Instituto de Medicina Tropical de São Paulo 29, no. 2 (April 1987): 110–11. http://dx.doi.org/10.1590/s0036-46651987000200008.

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Anti-HAV was detected by enzyme - immunoassay in sera collected from 6 (18,75%) of 32 Didelphis marsupialis trapped in the Amazon region. No anti-HAV were found in the sera from 136 other wild animals, including small rodents, reptiles and other marsupials.

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Kayesh, Mohammad Enamul Hoque, Md Abul Hashem, Fumie Maetani, Taiki Eiei, Kyoya Mochizuki, Shinsaku Ochiai, Ayaka Ito, et al. "CD4, CD8b, and Cytokines Expression Profiles in Peripheral Blood Mononuclear Cells Infected with Different Subtypes of KoRV from Koalas (Phascolarctos cinereus) in a Japanese Zoo." Viruses 12, no. 12 (December 9, 2020): 1415. http://dx.doi.org/10.3390/v12121415.

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Koala retrovirus (KoRV) poses a major threat to koala health and conservation, and currently has 10 identified subtypes: an endogenous subtype (KoRV-A) and nine exogenous subtypes (KoRV-B to KoRV-J). However, subtype-related variations in koala immune response to KoRV are uncharacterized. In this study, we investigated KoRV-related immunophenotypic changes in a captive koala population (Hirakawa zoo, Japan) with a range of subtype infection profiles (KoRV-A only vs. KoRV-A with KoRV-B and/or -C), based on qPCR measurements of CD4, CD8b, IL-6, IL-10 and IL-17A mRNA expression in unstimulated an

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Sherlock, I. A., J. C. Miranda, M. Sadigursky, and G. Grimaldi Jr. "Observações sobre calazar em Jacobina, Bahia. VI - Investigações sobre reservatórios silvestres e comensais." Revista da Sociedade Brasileira de Medicina Tropical 21, no. 1 (March 1988): 23–27. http://dx.doi.org/10.1590/s0037-86821988000100005.

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Durante os anos de 1982 a 1986, a investigação sobre mamíferos comensais e silvestres, da periferia da cidade de Jacobina, Bahia, mostrou, ao lado do escasso número de exemplares, uma reduzida variedade específica dessa fauna. Capturou-se apenas 11 espécies, entre as quais, predominou o Didelphis albiventris, que abrangeu 44% dos 213 espécimens capturados. Entre os 193 com exames já concluídos, 84 eram exemplares de D. albiventris e 2 estavam infectados pela Leishmania donovani senso lato, 1 por L. mexicana amazonensis, 1 por L. braziliensis, subespécie e 3 por Trypanosoma cruzi Também foram o

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Togami, Eri, Narayan Gyawali, Oselyne Ong, Mike Kama, Van-Mai Cao-Lormeau, Maite Aubry, Albert I. Ko, et al. "First evidence of concurrent enzootic and endemic transmission of Ross River virus in the absence of marsupial reservoirs in Fiji." International Journal of Infectious Diseases 96 (July 2020): 94–96. http://dx.doi.org/10.1016/j.ijid.2020.02.048.

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Egan, Siobhon L., Manuel Ruiz-Aravena, Jill M. Austen, Xavier Barton, Sebastien Comte, David G. Hamilton, Rodrigo K. Hamede, et al. "Blood Parasites in Endangered Wildlife-Trypanosomes Discovered during a Survey of Haemoprotozoa from the Tasmanian Devil." Pathogens 9, no. 11 (October 23, 2020): 873. http://dx.doi.org/10.3390/pathogens9110873.

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The impact of emerging infectious diseases is increasingly recognised as a major threat to wildlife. Wild populations of the endangered Tasmanian devil, Sarcophilus harrisii, are experiencing devastating losses from a novel transmissible cancer, devil facial tumour disease (DFTD); however, despite the rapid decline of this species, there is currently no information on the presence of haemoprotozoan parasites. In the present study, 95 Tasmanian devil blood samples were collected from four populations in Tasmania, Australia, which underwent molecular screening to detect four major groups of haem

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Cui, Xianlan, Janine A. Duckworth, Frank C. Molinia, and Phil E. Cowan. "Identification and evaluation of an infertility-associated ZP3 epitope from the marsupial brushtail possum (Trichosurus vulpecula)." Vaccine 28, no. 6 (February 2010): 1499–505. http://dx.doi.org/10.1016/j.vaccine.2009.11.052.

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Bitencourt, Matheus M., and Alexandra M. R. Bezerra. "Infection agents of Didelphidae (Didelphimorphia) of Brazil: an underestimated matter in zoonoses research." Mammalia 86, no. 2 (December 16, 2021): 105–22. http://dx.doi.org/10.1515/mammalia-2021-0134.

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Abstract Zoonoses are diseases or infections naturally transmissible from vertebrate animals to humans, and can be bacterial, viral or parasitic. The growth of urbanization, industrialization and the advance of agriculture and livestock facilitate the spread of infectious and parasitic agents from wild animals to the human population and to their domestic animals. Among the various reservoirs of zoonotic agents, we find that didelphid species, due to their high capacity for adaptation in urban environments, as an important study case. We reviewed the literature data on the pathogens, including

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Quigley, Bonnie L., Galit Tzipori, Karen Nilsson, and Peter Timms. "High-throughput immunogenetic typing of koalas suggests possible link between MHC alleles and cancers." Immunogenetics 72, no. 9-10 (October 20, 2020): 499–506. http://dx.doi.org/10.1007/s00251-020-01181-7.

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AbstractCharacterizing the allelic diversity within major histocompatibility complex (MHC) genes is an important way of determining the potential genetic resilience of a population to infectious and ecological pressures. For the koala (Phascolarctos cinereus), endemic diseases, anthropogenic factors and climate change are all placing increased pressure on this vulnerable marsupial. To increase the ability of researchers to study MHC genetics in koalas, this study developed and tested a high-throughput immunogenetic profiling methodology for targeting MHC class I UA and UC genes and MHC class I

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Botero, Adriana, Craig K. Thompson, Christopher S. Peacock, Peta L. Clode, Philip K. Nicholls, Adrian F. Wayne, Alan J. Lymbery, and R. C. Andrew Thompson. "Trypanosomes genetic diversity, polyparasitism and the population decline of the critically endangered Australian marsupial, the brush tailed bettong or woylie (Bettongia penicillata)." International Journal for Parasitology: Parasites and Wildlife 2 (December 2013): 77–89. http://dx.doi.org/10.1016/j.ijppaw.2013.03.001.

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ROELLIG, DAWN M., KATHERINE McMILLAN, ANGELA E. ELLIS, JOHN L. VANDEBERG, DONALD E. CHAMPAGNE, and MICHAEL J. YABSLEY. "Experimental infection of two South American reservoirs with four distinct strains of Trypanosoma cruzi." Parasitology 137, no. 6 (February 4, 2010): 959–66. http://dx.doi.org/10.1017/s0031182009991995.

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SUMMARYTrypanosoma cruzi (Tc), the causative agent of Chagas disease, is a diverse species with 2 primary genotypes, TcI and TcII, with TcII further subdivided into 5 subtypes (IIa–e). This study evaluated infection dynamics of 4 genetically and geographically diverse T. cruzi strains in 2 South American reservoirs, degus (Octodon degus) and grey short-tailed opossums (Monodelphis domestica). Based on prior suggestions of a genotype-host association, we hypothesized that degus (placental) would more readily become infected with TcII strains while short-tailed opossums (marsupial) would be a mo

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Brust, David M. "Gastrointestinal Diseases of Marsupials." Journal of Exotic Pet Medicine 22, no. 2 (April 2013): 132–40. http://dx.doi.org/10.1053/j.jepm.2013.05.005.

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Santamaria, Flavia, Rupert Palme, Rolf Schlagloth, Edith Klobetz-Rassam, and Joerg Henning. "Seasonal Variations of Faecal Cortisol Metabolites in Koalas in South East Queensland." Animals 11, no. 6 (May 31, 2021): 1622. http://dx.doi.org/10.3390/ani11061622.

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The Koala (Phascolarctos cinereus) is an endemic marsupial inhabiting four states of Australia. Urbanisation, declining habitat, drought and fires are threatening the survival of this flagship species. These threats may cause acute and chronic stress in koalas, which might also be associated with occurrence of infectious diseases in koala populations. Stress may induce an increase in cortisol reflected in increased faecal cortisol metabolite (FCM) values. To be able to use faecal cortisol metabolites to measure stress levels in this species, our aim was to determine baseline values for males a

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Linhares, A. C., J. D. M. Pereira, C. M. Nakauth, and Y. B. Gabbay. "Rotavirus infection in wild marsupials (Didelphis marsupialis) of the Amazon region." Transactions of the Royal Society of Tropical Medicine and Hygiene 80, no. 1 (January 1986): 20–24. http://dx.doi.org/10.1016/0035-9203(86)90186-0.

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Torhorst, Carson W., Zoe S. White, Chanakya R. Bhosale, Norman L. Beatty, and Samantha M. Wisely. "Identification of the parasite, Trypanosoma cruzi, in multiple tissues of epidemiological significance in the Virginia opossum (Didelphis virginiana): Implications for environmental and vertical transmission routes." PLOS Neglected Tropical Diseases 16, no. 12 (December 19, 2022): e0010974. http://dx.doi.org/10.1371/journal.pntd.0010974.

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Background Trypanosoma cruzi, a parasitic protozoan, is endemic to the Americas and the causative agent of Chagas disease in humans. In South America, opossums facilitate transmission via infected anal gland secretions in addition to transmission via triatomine vectors. In North America, the Virginia opossum is a reservoir host for the parasite with transmission routes that are not clearly defined. The unique biology of this marsupial provides the opportunity to investigate vertical transmission in this wildlife species in situ. Our objectives were to investigate alternative routes of transmis

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Blyde, David J. "Respiratory Diseases, Diagnostics, and Treatment of Marsupials." Veterinary Clinics of North America: Exotic Animal Practice 3, no. 2 (May 2000): 497–512. http://dx.doi.org/10.1016/s1094-9194(17)30084-1.

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McGaugh, Suzanne E., Anne M. Bronikowski, Chih-Horng Kuo, Dawn M. Reding, Elizabeth A. Addis, Lex E. Flagel, Fredric J. Janzen, and Tonia S. Schwartz. "Rapid molecular evolution across amniotes of the IIS/TOR network." Proceedings of the National Academy of Sciences 112, no. 22 (May 19, 2015): 7055–60. http://dx.doi.org/10.1073/pnas.1419659112.

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The insulin/insulin-like signaling and target of rapamycin (IIS/TOR) network regulates lifespan and reproduction, as well as metabolic diseases, cancer, and aging. Despite its vital role in health, comparative analyses of IIS/TOR have been limited to invertebrates and mammals. We conducted an extensive evolutionary analysis of the IIS/TOR network across 66 amniotes with 18 newly generated transcriptomes from nonavian reptiles and additional available genomes/transcriptomes. We uncovered rapid and extensive molecular evolution between reptiles (including birds) and mammals: (i) the IIS/TOR netw

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Souza, Adelson A. A. de, Fernando Tobias Silveira, Michael A. Miles, Marinete M. Póvoa, José Aprígio Nunes Lima, and Sebastião Aldo S. Valente. "Epidemiologia de um caso de doença de Chagas na Ilha do Mosqueiro - Pará." Revista da Sociedade Brasileira de Medicina Tropical 21, no. 4 (December 1988): 187–92. http://dx.doi.org/10.1590/s0037-86821988000400006.

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Os autores apresentam os resultados do estudo epidemiológico de um caso autóctone da fase aguda da doença de Chagas na ilha do Mosqueiro, Estado do Pará, aproximadamente 75km da capital, Belém. 0 caso já havia sido objeto de uma publicação anterior. Agora são apresentadas informações epidemiológicas. Nas proximidades da casa do paciente foram capturados em duas palmeiras de Inajá ('Maximilian regi ay e em uma de Mucajá (Acrocomia sclerocarpia) 114 triatomíneos: Rhodnius pictipes, R. robustus, Panstrongylus lignarius, P. geniculatus e Microtriatoma trinidadensis, com tripanossomas em 31 deles.

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DE SOUSA, K. C. M., A. C. CALCHI, H. M. HERRERA, J. S. DUMLER, D. M. BARROS-BATTESTI, R. Z. MACHADO, and M. R. ANDRÉ. "Anaplasmataceae agents among wild mammals and ectoparasites in Brazil." Epidemiology and Infection 145, no. 16 (November 6, 2017): 3424–37. http://dx.doi.org/10.1017/s095026881700245x.

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SUMMARYAnaplasmataceae agents comprise obligate intracellular bacteria that can cause disease in humans and animals. Between August 2013 and March 2015, 31Nasua nasua(coati), 78Cerdocyon thous(crab-eating fox), sevenLeopardus pardalis(ocelot), 110 wild rodents, 30 marsupials, and 42 dogs were sampled in the Pantanal wetland, Brazil. In addition, ectoparasites found parasitizing the animals were collected and identified. The present work aimed to investigate the occurrence of Anaplasmataceae agents in wild mammals, domestic dogs and ectoparasites, by molecular and serological techniques. Overal

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AUSTEN, JILL M., SIMON A. REID, DERRICK R. ROBINSON, JAMES A. FRIEND, WILLIAM G. F. DITCHAM, PETER J. IRWIN, and UNA RYAN. "Investigation of the morphological diversity of the potentially zoonoticTrypanosoma copemaniin quokkas and Gilbert's potoroos." Parasitology 142, no. 11 (July 10, 2015): 1443–52. http://dx.doi.org/10.1017/s0031182015000785.

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SUMMARYTrypanosomes are blood-borne parasites that can cause severe disease in both humans and animals, yet little is known of the pathogenicity and life-cycles of trypanosomes in native Australian mammals.Trypanosoma copemaniis known to be infective to a variety of Australian marsupials and has recently been shown to be potentially zoonotic as it is resistant to normal human serum. In the present study,in vivoandin vitroexamination of blood and cultures from Australian marsupials was conducted using light microscopy, immunofluorescence, scanning electron microscopy and fluorescencein situhybr

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Beveridge, Ian, Neil B. Chilton, and Ross H. Andrews. "Sibling species within Macropostrongyloides baylisi (Nematoda: Strongyloidea) from macropodid marsupials." International Journal for Parasitology 23, no. 1 (February 1993): 21–33. http://dx.doi.org/10.1016/0020-7519(93)90094-f.

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