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https://www.readbyqxmd.com/read/27827336/a-new-coccidian-parasite-of-the-boodie-bettongia-lesueur-mammalia-marsupialia-potoroidae-from-australia
#1
Frances Hulst, Leah F Kemp, Jan Slapeta
Four of 28 wild boodies or burrowing bettongs, Bettongia lesueur (Quoy et Gaimard) passed oocysts of species of Eimeria Schneider, 1875. The boodies are surviving on off-shore islands and in large predator-proof sanctuaries on the mainland where they were reintroduced. The boodie is a potoroid marsupial extinct from the mainland of Australia due to predation from red foxes and feral cats. Comparison with other species of the genus Eimeria indicates that the coccidium found represents a new species. Sporulated oocyst of Eimeria burdi sp...
October 20, 2016: Folia Parasitologica
https://www.readbyqxmd.com/read/27769655/microorganisms-in-ticks-acari-ixodidae-collected-on-marsupials-and-rodents-from-santa-catarina-paran%C3%A3-and-mato-grosso-do-sul-states-brazil
#2
Carolina Moreira Blanco, Bernardo Rodrigues Teixeira, Alexandro Guterres da Silva, Renata Carvalho de Oliveira, Liana Strecht, Maria Ogrzewalska, Elba Regina S de Lemos
Information about tick fauna and monitoring of pathogen prevalences in ticks (Acari: Ixodidae) in various habitat types can enhance knowledge about the epidemiology of tick-borne pathogens in Brazil. This work shows the results of a study of tick parasitism of wild rodents and marsupials collected in seven localities in the southern part of Brazil, within Atlantic Forest and Cerrado biomes. A total of 61 ticks were collected from small mammals, and after identification to the species level, the ticks were individually tested for the presence of bacteria of the genera Rickettsia, Borrelia, family Anaplasmataceae, and protozoa of the genus Babesia...
January 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/27692317/lungworm-heterostrongylus-heterostrongylus-travassos-1925-from-the-black-eared-opossum-in-south-america-morphologic-histopathological-and-phylogenetic-aspects
#3
Sócrates Fraga da Costa Neto, Raquel de Oliveira Simões, Éster Maria Mota, Roberto do Val Vilela, Eduardo José Lopes Torres, Helene Santos Barbosa, Rosana Gentile, Arnaldo Maldonado Junior
Nematode parasites of the cardiopulmonary system of livestock and pet animals have been receiving attention due to the pathogenic effects they produce in the course of the infection. However, parasitism in wild animals by metastrongilid nematodes has been neglected, resulting in potential risk to wildlife. Heterostrongylus heterostrongylus is the etiological agent of bronchial pneumonia in the black-eared opossum, Didelphis aurita, a widely distributed marsupial frequently reported to inhabit areas from wild environments to peri-urban spaces...
September 15, 2016: Veterinary Parasitology
https://www.readbyqxmd.com/read/27658817/host-specificity-in-parasitic-plants-perspectives-from-mistletoes
#4
Desale Y Okubamichael, Megan E Griffiths, David Ward
Host specificity has been investigated for centuries in mistletoes, viruses, insects, parasitoids, lice and flukes, yet it is poorly understood. Reviewing the numerous studies on mistletoe host specificity may contribute to our understanding of these plants and put into context the dynamics at work in root parasitic plants and animal parasites. The mechanisms that determine host specificity in mistletoes are not as well documented and understood as those in other groups of parasites. To rectify this we synthesised the available literature and analysed data compiled from herbaria, published monographs and our own field studies in South Africa...
September 22, 2016: AoB Plants
https://www.readbyqxmd.com/read/27638730/pharyngostrongylus-thylogale-n-sp-nematoda-strongylida-from-the-stomachs-of-macropodid-marsupials-defined-by-morphological-and-molecular-criteria
#5
Neil B Chilton, Florence Huby-Chilton, Robin B Gasser, Anson V Koehler, Ian Beveridge
Pharyngostrongylus thylogale n. sp. (Nematoda: Strongylida) is described from the stomach of the red-legged pademelon, Thylogale stigmatica (Gould) (Marsupialia: Macropodidae) from north-eastern Queensland and Papua New Guinea, having formerly been confused with P. iota Johnston & Mawson, 1939. Pharyngostrongylus thylogale n. sp. differs from all congeners in having 12 labial crown elements rather than eight or 16. Pharyngostrongylus iota was found in T. stigmatica, but only in southern Queensland and northern New South Wales, in the subspecies T...
October 2016: Systematic Parasitology
https://www.readbyqxmd.com/read/27468038/klossiella-dulcis-n-sp-apicomplexa-klossiellidae-in-the-kidneys-of-petaurus-breviceps-marsupialia-petauridae
#6
Maria Ardiaca, Mark D Bennett, Andres Montesinos, Carles Juan-Sallés, Mario Soriano-Navarro
Two cases of renal klossiellosis were diagnosed by histopathology in pet sugar gliders (Petaurus breviceps). In both cases, parasites were associated with tubular dilation and mild interstitial nephritis. Rare schizonts were seen in the proximal convoluted renal tubular epithelium, whereas all other life cycle stages were found within distal convoluted tubule cells or the urinary space of the structures distal to the loop of Henle. Conventional optical and transmission electron microscopies were used to assess the life stages of the parasite...
June 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/27395568/helminth-parasites-of-australasian-monotremes-and-marsupials
#7
David M Spratt, Ian Beveridge
This work includes all published records, to April 2015, of the helminths occurring in Australasian monotremes and marsupials, with due regard for synonymy and an attempt to include life history studies, pathological observations and epidemiology. It also contains all unpublished records known to us and referrable, by accession numbers, to curated collections in Australia and overseas. Information is presented by host family, genus, species, sub-species or chromosome race and includes the names of all host species from which no parasites have been recorded...
2016: Zootaxa
https://www.readbyqxmd.com/read/27330983/detection-of-cryptic-species-of-rugopharynx-nematoda-strongylida-from-the-stomachs-of-australian-macropodid-marsupials
#8
Neil B Chilton, Florence Huby-Chilton, Anson V Koehler, Robin B Gasser, Ian Beveridge
Sequences of the internal transcribed spacers of nuclear ribosomal DNA (ITS-1 and ITS-2) were determined for species of the genus Rugopharynx and Rugonema labiatum, nematodes from the stomachs of macropodid marsupials. Phylogenetic analyses of the aligned sequence data were conducted. The relationships provided molecular support for all species currently recognised, some of which are based on minor morphological differences and on multilocus enzyme electrophoretic data, but also indicated that additional, cryptic species exist within the genus...
August 2016: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/27307171/mothocya-renardi-bleeker-1857-crustacea-isopoda-cymothoidae-parasitising-strongylura-leiura-bleeker-belonidae-off-the-malabar-coast-of-india-redescription-occurrence-and-life-cycle
#9
Aneesh Panakkool-Thamban, Sudha Kappalli, Helna Ameri Kottarathil, Anilkumar Gopinathan
Mothocya renardi (Bleeker, 1857), a protandrically hermaphroditic cymothoid, parasitising the banded needle fish Strongylura leiura (Bleeker) from the Malabar Coast, India is redescribed and morphological data for different life-cycle stages [male, transitional and ovigerous female, larvae (pre-manca and manca) and juvenile] are provided. Mothocya renardi exhibited strict oligoxenous host specificity by infesting only S. leiura and showed high prevalence levels (reaching up to 92%). The life-cycle of M. renardi comprises three major phases (marsupial phase, free living phase and infestive phase)...
July 2016: Systematic Parasitology
https://www.readbyqxmd.com/read/27031460/serologic-evidence-of-the-exposure-of-small-mammals-to-spotted-fever-rickettsia-and-rickettsia-bellii-in-minas-gerais-brazil
#10
Marcella Gonçalves Coelho, Vanessa do Nascimento Ramos, Jean Ezequiel Limongi, Elba Regina Sampaio de Lemos, Alexandro Guterres, Sócrates Fraga da Costa Neto, Tatiana Rozental, Cibele Rodrigues Bonvicino, Paulo Sérgio D'Andrea, Jonas Moraes-Filho, Marcelo Bahia Labruna, Matias Pablo Juan Szabó
INTRODUCTION: Sources of pathogenic Rickettsia in wildlife are largely unknown in Brazil. In this work, potential tick vectors and seroreactivity of small mammals against four spotted-fever group Rickettsia (R. rickettsii, R. parkeri, R. amblyommii and R. rhipicephali) and Rickettsia bellii from peri-urban areas of Uberlândia, a major town in Brazil, are described for the first time. METHODOLOGY: Small mammals were captured and blood samples collected. Ticks were collected from the surface of the host and the environment and posteriorly identified...
March 2016: Journal of Infection in Developing Countries
https://www.readbyqxmd.com/read/26970295/first-report-of-trypanosoma-vegrandis-in-koalas-phascolarctos-cinereus
#11
Amanda Barbosa, Jill Austen, Amber Gillett, Kristin Warren, Andrea Paparini, Peter Irwin, Una Ryan
The present study describes the first report of Trypanosoma vegrandis in koalas using morphology and sequence analysis of the 18S rRNA gene. The prevalence of T. vegrandis in koalas was 13.6% (6/44). It is likely that the small size of T. vegrandis (<10μm in length), coupled with the difficulties in amplifying DNA of this parasite in mixed infections using trypanosome generic primers, are the reason why this organism has not been identified in koalas until now. This study highlights the importance of further research comprising a larger sample size to determine the prevalence of T...
August 2016: Parasitology International
https://www.readbyqxmd.com/read/26944624/evaluation-of-next-generation-sequencing-for-the-analysis-of-eimeria-communities-in-wildlife
#12
Elke T Vermeulen, Matthew J Lott, Mark D B Eldridge, Michelle L Power
Next-generation sequencing (NGS) techniques are well-established for studying bacterial communities but not yet for microbial eukaryotes. Parasite communities remain poorly studied, due in part to the lack of reliable and accessible molecular methods to analyse eukaryotic communities. We aimed to develop and evaluate a methodology to analyse communities of the protozoan parasite Eimeria from populations of the Australian marsupial Petrogale penicillata (brush-tailed rock-wallaby) using NGS. An oocyst purification method for small sample sizes and polymerase chain reaction (PCR) protocol for the 18S rRNA locus targeting Eimeria was developed and optimised prior to sequencing on the Illumina MiSeq platform...
May 2016: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/26782931/novel-babesia-and-hepatozoon-agents-infecting-non-volant-small-mammals-in-the-brazilian-pantanal-with-the-first-record-of-the-tick-ornithodoros-guaporensis-in-brazil
#13
Rafael William Wolf, Mônica Aragona, Sebastián Muñoz-Leal, Leticia Borges Pinto, Andréia Lima Tomé Melo, Isis Assis Braga, Jackeliny dos Santos Costa, Thiago Fernandes Martins, Arlei Marcili, Richard de Campos Pacheco, Marcelo B Labruna, Daniel Moura Aguiar
Taking into account the diversity of small terrestrial mammals of the Pantanal, the present study aimed to verify the occurrence of infection by Ehrlichia spp., Anaplasma spp., Rickettsia spp., Hepatozoon spp., Babesia spp. and parasitism by ticks in non-volant small mammals collected in the Brazilian Pantanal. Samples of blood, liver and spleen were collected from 64 captured animals, 22 marsupials and 42 rodents. Pathogen detection was performed by the use of genus-specific Polymerase Chain Reaction (PCR) assays...
April 2016: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/26712388/towards-a-better-understanding-of-the-life-cycle-of-trypanosoma-copemani
#14
Adriana Botero, Peta L Clode, Christopher Peacock, R C Andrew Thompson
Trypanosoma copemani has been found infecting several threatened/endangered marsupial species within Australia and is thought to be a key player in the rapid decline of the woylie (Bettongia penicillata). To better understand the biology and life cycle of this parasite, the growth requirements, and kinetics of infection of two newly described genotypes, T. copemani G1 and G2, were investigated and compared with the T. cruzi strain-10R26 in vitro. Both G1 and G2 were able to infect all four cell lines tested...
February 2016: Protist
https://www.readbyqxmd.com/read/26701154/new-insights-into-the-evolution-of-the-trypanosoma-cruzi-clade-provided-by-a-new-trypanosome-species-tightly-linked-to-neotropical-pteronotus-bats-and-related-to-an-australian-lineage-of-trypanosomes
#15
Luciana Lima, Oneida Espinosa-Álvarez, C Miguel Pinto, Manzelio Cavazzana, Ana Carolina Pavan, Julio C Carranza, Burton K Lim, Marta Campaner, Carmen S A Takata, Erney P Camargo, Patrick B Hamilton, Marta M G Teixeira
BACKGROUND: Bat trypanosomes are implicated in the evolution of the T. cruzi clade, which harbours most African, European and American trypanosomes from bats and other trypanosomes from African, Australian and American terrestrial mammals, including T. cruzi and T. rangeli, the agents of the American human trypanosomiasis. The diversity of bat trypanosomes globally is still poorly understood, and the common ancestor, geographical origin, and evolution of species within the T. cruzi clade remain largely unresolved...
2015: Parasites & Vectors
https://www.readbyqxmd.com/read/26444068/toxoplasma-gondii-antibodies-in-wild-rodents-and-marsupials-from-the-atlantic-forest-state-of-s%C3%A3-o-paulo-brazil
#16
Solange Maria Gennari, Maria Halina Ogrzewalska, Herbert Sousa Soares, Danilo Gonçalves Saraiva, Adriano Pinter, Fernanda Aparecida Nieri-Bastos, Marcelo Bahia Labruna, Matias Pablo Juan Szabó, Jitender Prakash Dubey
Toxoplasma gondii is a protozoan parasite that infects a large spectrum of warm-blooded animals, including humans. Small rodents and marsupials play an important role in the epidemiology of T. gondii because they are sources of infection for domestic and feral cats. Serum samples from 151 rodents and 48 marsupials, captured in the Atlantic Forest, São Paulo State, southeastern Brazil, were analyzed for the presence of T. gondii antibodies. Antibodies detected by the modified agglutination test (MAT ≥ 25) were found in 8...
July 2015: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/26257556/helminths-of-three-species-of-opossums-mammalia-didelphidae-from-mexico
#17
Karla Acosta-Virgen, Jorge López-Caballero, Luis García-Prieto, Rosario Mata-López
From August 2011 to November 2013, 68 opossums (8 Didelphis sp., 40 Didelphisvirginiana, 15 Didelphismarsupialis, and 5 Philanderopossum) were collected in 18 localities from 12 Mexican states. A total of 12,188 helminths representing 21 taxa were identified (6 trematodes, 2 cestodes, 3 acanthocephalans and 10 nematodes). Sixty-six new locality records, 9 new host records, and one species, the trematode Brachylaimadidelphus, is added to the composition of the helminth fauna of the opossums in Mexico. These data, in conjunction with previous records, bring the number of taxa parasitizing the Mexican terrestrial marsupials to 41...
2015: ZooKeys
https://www.readbyqxmd.com/read/26187357/redescription-of-spirura-guianensis-nematoda-spiruridae-from-a-rare-south-american-gracile-opossum
#18
E J Lopes Torres, A Maldonado, D H da Silva Anjos, W de Souza, K Miranda
Spirura genus Blanchard, 1849 comprise of nematode parasites that infect primate and marsupial species. Although several taxonomical studies have shown that the infection by this species occurs primarily in the esophagus of primates, evidence for the occurrence of these parasites in other hosts (marsupials, rodents and bats) has become the subject of investigation by several groups. In this work, we describe the presence of Spirura guianensis Ortlepp, 1924 in the marsupial Gracilinanus agilis (Marsupialia: Didelphidae) found in the Pantanal of Mato Grosso do Sul state of Brazil...
October 2015: Acta Tropica
https://www.readbyqxmd.com/read/26160545/investigation-of-the-morphological-diversity-of-the-potentially-zoonotic-trypanosoma-copemani-in-quokkas-and-gilbert-s-potoroos
#19
Jill M Austen, Simon A Reid, Derrick R Robinson, James A Friend, William G F Ditcham, Peter J Irwin, Una Ryan
Trypanosomes 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 copemani is 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 vivo and in vitro examination of blood and cultures from Australian marsupials was conducted using light microscopy, immunofluorescence, scanning electron microscopy and fluorescence in situ hybridization...
September 2015: Parasitology
https://www.readbyqxmd.com/read/26156243/the-phylogenetic-relationships-of-endemic-australasian-trichostrongylin-families-nematoda-strongylida-parasitic-in-marsupials-and-monotremes
#20
Neil B Chilton, Florence Huby-Chilton, Anson V Koehler, Robin B Gasser, Ian Beveridge
The phylogenetic relationships of the endemic (or largely endemic) Australasian trichostrongylin nematode families Herpetostrongylidae, Mackerrastrongylidae and Nicollinidae as well as endemic trichostrongylin nematodes currently placed in the families Trichostrongylidae and Molineidae were examined using the complete large subunit (28S) ribosomal RNA gene. The Herpetostrongylinae proved to be monophyletic. However, representatives of the Nicollinidae nested with the Herpetostrongylinae. The Mackerrastrongylidae was also a monophyletic group and included Peramelistrongylus, currently classified within the Trichostrongylidae...
October 2015: Parasitology Research
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