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https://www.readbyqxmd.com/read/29035853/the-gastrointestinal-nematodes-of-paramelomys-lorentzii-and-mammelomys-spp-rodentia-muridae-with-descriptions-of-a-new-genus-and-three-new-species-heligmonellidae-from-papua-new-guinea-and-indonesia
#1
Lesley R Smales
Unidentified cestodes and 14 species of nematode and larvae that could not be placed to family level, were collected from the digestive tracts of 27 individuals of Paramelomys lorentzii, four of Mammelomys lanosus and a single M. rattoides from Papua New Guinea and Papua Indonesia. Of these three were new species. Hughjonestrongylus woolleyae sp. nov. can be distinguished from its congeners in having up to 26 ridges in the synlophe and a dissymmetric dorsal ray. Parvinema bafunminensis gen. nov., sp. nov. can be distinguished from all other genera in the family by the combination of features in the synlophe; with a carene, up to 17 ridges, and the pattern of ridge sizes...
December 20, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/29026775/hydatid-disease-a-rare-cause-of-fracture-nonunion
#2
Divya Aggarwal, Vaibhav Girotra, Neelam Wadhwa, Manish Chadha
Hydatid disease is an infrequent parasitic infestation caused by cestode, most commonly, Echinococcus granulosus. Bone involvement is distinctly uncommon. We would like to share our experience of a rare case of hydatid disease of femur in a 24-year-old male who presented with nonunion of subtrochanteric fracture. Histopathology showed typical lamellated wall and dagger-shaped hooklets. In view of its rarity, hydatid disease often remains an unsuspected infection of the bone.
January 2017: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29026624/first-case-of-human-peritoneal-cysticercosis-mimicking-peritoneal-carcinosis-necessity-of-laparoscopy-and-histologic-assessment-for-the-correct-diagnosis
#3
Martina Rudelius, Klaus Brehm, Martin Poelcher, Christoph Spinner, Andreas Rosenwald, Clarissa Prazeres da Costa
Introduction. Correct diagnosis of peritoneal infectious disease can be extremely difficult due to non-specific clinical features. Thus, careful assessment with thorough histopathological work-up is essential. Here, we report the first case of human peritoneal cysticercosis mimicking peritoneal carcinosis. Case presentation. The patient presented with recurring ascites and a tumour in the Douglas cavity accompanied by elevated tumour markers. There were no signs of systemic infection. On laparoscopy, the tumour was resected completely...
June 2017: JMM Case Reports
https://www.readbyqxmd.com/read/29017622/analysis-of-lead-pollution-levels-within-an-urban-ecosystem-using-the-cestode-hymenolepis-diminuta-and-its-rat-hosts-as-bioindicators
#4
M A Tripodi, D Hancke, O V Suarez
The overall goal of this study was to use the Rattus spp./Hymenolepis diminuta model to assess environmental lead pollution in different landscape units of an urban ecosystem. Rats of the genus Rattus were collected from three shanty towns and three residential neighbourhoods of the city of Buenos Aires. Concentrations of lead in the livers of wild rats and in their parasite H. diminuta were measured using inductively coupled plasma mass spectrometry (ICP-MS). The landscape unit and tissue type had a significant effect on lead concentration, being higher in residential neighbourhoods as well as in H...
October 11, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/29016332/porcine-cysticercosis-possible-cross-reactivity-of-taenia-hydatigena-to-gp50-antigen-in-the-enzyme-linked-immunoelectrotransfer-blot-assay
#5
Claudio Muro, Luis A Gomez-Puerta, Robert H Flecker, Ricardo Gamboa, Percy Vilchez Barreto, Pierre Dorny, Victor C W Tsang, Robert H Gilman, Armando E Gonzalez, Hector H Garcia Lescano, Seth E O'Neal, For The Cysticercosis Working Group In Peru
The lentil lectin glycoprotein enzyme-linked immunoelectrotransfer blot (LLGP EITB, reported sensitivity 99% and specificity 100%) is used as a serologic marker of exposure to Taenia solium in pigs. However, only a limited number of parasites have been evaluated for cross reactivity. Pigs may host other related cestode infections, including Taenia hydatigena, which have not been formally evaluated for cross-reactions. We investigated a corral in Tumbes, Peru, a region where a cysticercosis elimination demonstration project was completed in 2012...
October 2, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28981899/in-vitro-and-in-vivo-efficacies-of-novel-carbazole-aminoalcohols-in-the-treatment-of-cystic-echinococcosis
#6
Weisi Wang, Jun Li, Junmin Yao, Tian Wang, Shizhu Li, Xueting Zheng, Liping Duan, Wenbao Zhang
Objectives: Cystic echinococcosis (CE), caused by the cestode Echinococcus granulosus , is a worldwide chronic zoonosis. Current chemotherapeutic options are limited to albendazole and mebendazole, which only exert parasitostatic effects and have to be administered at high dosages for long periods. In an effort to find alternative treatment options, the in vitro and in vivo efficacies of novel carbazole aminoalcohols were evaluated. Methods: Carbazole aminoalcohols were tested against E...
July 24, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28974277/description-of-a-new-species-fuhrmannetta-jurubatensis-n-sp-cestoda-davaineidae-from-cerradomys-goytaca-tavares-pess%C3%A3-a-gon%C3%A3-alves-2011-rodentia-cricetidae
#7
L C Oliveira, F C R Oliveira, N B Ederli
A new species of cestode of the genus Fuhrmannetta found in the small intestine of Cerradomys goytaca is described herein, named Fuhrmannetta jurubatensis n. sp. Rodents were collected from the sand-plains areas of the northern coast of the State of Rio de Janeiro, Brazil. Morphological analyses were conducted by light and scanning electron microscopy. From the morphological analysis and a comparison with the known species of the genus, F. jurubatensis n. sp. can be identified by a combination of morphological and morphometrical characteristics, including strobila length, number and length of rostellar hooks, position of the genital pore and the number of eggs per uterine capsule...
October 4, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/28974273/helminth-parasites-of-the-endangered-hooded-grebe-podiceps-gallardoi-from-patagonia-argentina-with-the-description-of-two-new-digenean-species
#8
V Núñez, F Drago, S Jones, L Lunaschi
In March 2011, a predator killed 33 hooded grebes, Podiceps gallardoi Rumboll (Podicipedidae), a critically endangered species, in a nesting colony at El Cervecero Lake, Santa Cruz Province, Argentina. The viscera of ten birds were examined for helminths. Two new species of Trematoda were recovered from the intestines. The plagiorchid Plagiorchis patagonensis n. sp. is mainly characterized by the larger size of the oral sucker relative to the ventral sucker, and by the distribution of the vitellarium in two lateral fields, confluent between the caecal bifurcation and the ventral sucker...
October 4, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/28972978/ewet-data-collection-and-interface-for-the-genetic-analysis-of-echinococcus-multilocularis-based-on-emsb-microsatellite
#9
Jenny Knapp, Sylvie Damy, Jonathan Brillaud, Jean-Daniel Tissot, Jérémy Navion, Raphael Mélior, Eve Afonso, Vanessa Hormaz, Bruno Gottstein, Gérald Umhang, Adriano Casulli, Frédéric Dadeau, Laurence Millon, Francis Raoul
Evolution and dispersion history on Earth of organisms can best be studied through biological markers in molecular epidemiological studies. The biological diversity of the cestode Echinococcus multilocularis was investigated in different cladistic approaches. First the morphological aspects were explored in connection with its ecology. More recently, molecular aspects were investigated to better understand the nature of the variations observed among isolates. The study of the tandemly repeated multilocus microsatellite EmsB allowed us to attain a high genetic diversity level where other classic markers have failed...
2017: PloS One
https://www.readbyqxmd.com/read/28969776/the-efficacy-of-the-supramolecular-complexes-of-niclosamide-obtained-by-mechanochemical-technology-and-targeted-delivery-against-cestode-infection-of-animals
#10
Ivan A Arkhipov, Konstantin M Sadov, Yulia V Limova, Alexandra K Sadova, Anastasiya I Varlamova, Salavat S Khalikov, Alexandr V Dushkin, Yulia S Chistyachenko
Niclosamide is an anthelmintic that is widely used to treat cestode infection of animals. The efficacy of the supramolecular complexes of niclosamide obtained by mechanochemical technology and targeted delivery was studied in hymenolepiosis of mice and monieziosis of sheep. The efficacy of new substances of niclosamide with polyvinylpyrrolidone polymer in different ratios (1:10; 1:5; 1:2) was determined by the results of helminthological necropsy of the small intestine of sheep and mice. Pre-treatment eggs per gram (EPG) were not significantly different (P>0...
November 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28956157/survey-of-intestinal-helminths-collected-from-pet-rodents-in-m%C3%A3-xico
#11
Jesús Alonso Panti-May, Luis Caraveo-Centeno, Silvia F Hernández-Betancourt, María Del Rosario Robles, Carlos Machain-Williams
In this survey, intestinal helminths from pet rodents in Mérida, México, were analyzed. A total of 46 mice Mus musculus, 28 hamsters Mesocricetus auratus, 23 rats Rattus norvegicus, and 1 gerbil Meriones unguiculatus were purchased from six pet shops and one black market for wildlife in the city of Mérida. The overall prevalence of helminths in rodents was 61.2% (60/98). Six species of helminths were identified: the zoonotic cestode Rodentolepis nana, and the nematodes Aspiculuris tetraptera, Dentostomella translucida, Syphacia obvelata, Syphacia mesocriceti, and Syphacia muris...
September 27, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28955327/gene-expression-contributes-to-the-recent-evolution-of-host-resistance-in-a-model-host-parasite-system
#12
Brian K Lohman, Natalie C Steinel, Jesse N Weber, Daniel I Bolnick
Heritable population differences in immune gene expression following infection can reveal mechanisms of host immune evolution. We compared gene expression in infected and uninfected threespine stickleback (Gasterosteus aculeatus) from two natural populations that differ in resistance to a native cestode parasite, Schistocephalus solidus. Genes in both the innate and adaptive immune system were differentially expressed as a function of host population, infection status, and their interaction. These genes were enriched for loci controlling immune functions known to differ between host populations or in response to infection...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28953933/systematics-and-diversification-of-anindobothrium-marques-brooks-lasso-2001-eucestoda-rhinebothriidea
#13
Bruna Trevisan, Juliana F Primon, Fernando P L Marques
Tapeworms of the genus Anindobothrium Marques, Brooks & Lasso, 2001 are found in both marine and Neotropical freshwater stingrays of the family Potamotrygonidae. The patterns of host association within the genus support the most recent hypothesis about the history of diversification of potamotrygonids, which suggests that the ancestor of freshwater lineages of the Potamotrygonidae colonized South American river systems through marine incursion events. Despite the relevance of the genus Anindobothrium to understand the history of colonization and diversification of potamotrygonids, no additional efforts were done to better investigate the phylogenetic relationship of this taxon with other lineages of cestodes since its erection...
2017: PloS One
https://www.readbyqxmd.com/read/28951818/filtering-out-parasites-sand-crabs-lepidopa-benedicti-are-infected-by-more-parasites-than-sympatric-mole-crabs-emerita-benedicti
#14
Zen Faulkes
Two digging decapod crustaceans, the sand crab species Lepidopa benedicti and the mole crab species Emerita benedicti, both live in the swash zone of fine sand beaches. They were examined for two parasites that infect decapod crustaceans in the region, an unidentified nematode previously shown to infect L. benedicti, and cestode tapeworm larvae, Polypocephalus sp., previously shown to infect shrimp (Litopenaeus setiferus). Lepidopa benedicti were almost always infected with both parasite species, while E. benedicti were rarely infected with either parasite species...
2017: PeerJ
https://www.readbyqxmd.com/read/28942049/purification-of-native-m-%C3%A2-vogae-and-h-%C3%A2-contortus-tubulin-by-tog-affinity-chromatography
#15
Beatriz Munguía, Ramiro Teixeira, Victoria Veroli, Elisa Melian, Jenny Saldaña, Mahia Minteguiaga, Mario Señorale, Mónica Marín, Laura Domínguez
Microtubules are non-covalent cylindrical polymers formed by alpha- and beta-tubulin heterodimer units, crucial for cell division, intracellular transport, motility and differentiation. This makes them very attractive pharmacological targets exploited to develop different drugs such as anthelmintics, antifungals, and antineoplastics. In this work, in order to establish an in vitro target-based screen to integrate to the search for new anthelmintics, we explored the extraction of native assembly-competent tubulin from two helminth parasites: Mesocestoides vogae tetrathyridia (syn...
September 20, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28935004/intestinal-parasites-and-anthelmintic-treatments-in-a-laboratory-colony-of-wild-caught-african-pouched-rats-cricetomys-ansorgei
#16
Cassandra O Cullin, Matthew S Sellers, Erin R Rogers, Kathleen E Scott, Danielle N Lee, Alexander G Ophir, Todd A Jackson
African giant pouched rats (Cricetomys spp.) are large rodents native to subSaharan Africa. Wild-caught pouched rats identified as Cricetomys ansorgei (n = 49) were imported from Tanzania. A survey of gastrointestinal parasitism by fecal flotation revealed the presence of multiple parasites, including Nippostrongylus spp., Heterakis spp., Trichuris spp., Hymenolepis spp., Raillietina spp., and Eimeria spp. Oral self-administered fenbendazole (150 ppm), topical moxidectin (2 mg/kg), pyrantel pamoate (15 mg/kg), piperazine (100 mg/kg daily), and injectable ivermectin (0...
October 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28929396/prevalence-of-echinococcus-granulosus-taeniasis-in-stray-dogs-in-the-region-of-constantine-north-east-algeria
#17
K Kohil, M C Benchikh El Fegoun, M Gharbi
In North Africa, the domestic dog is regarded as the main reservoir for infection by Echinococcus granulosus of domestic livestock and man. In Algeria, there is very little data on the rate of infestation of dogs, while the prevalence of E. granulosus in the definitive host is a very reliable marker of the potential risk of transmission of cystic tapeworm to humans and livestock. To find out this information, a survey was conducted to assess the prevalence of infection with E. granulosus in stray dogs in the region of Constantine (North-East Algeria)...
October 2017: Bulletin de la Société de Pathologie Exotique
https://www.readbyqxmd.com/read/28923896/experimental-and-theoretical-approaches-to-investigate-the-immunogenicity-of-taenia-solium-derived-ke7-antigen
#18
Raúl J Bobes, José Navarrete-Perea, Adrián Ochoa-Leyva, Víctor Hugo Anaya, Marisela Hernández, Jacquelynne Cervantes-Torres, Karel Estrada, Filiberto Sánchez-Lopez, Xavier Soberón, Gabriela Rosas, Cáris Maroni Nunes, Martín García-Varela, Rogerio Rafael Sotelo-Mundo, Alonso Alexis López-Zavala, Goar Gevorkian, Gonzalo Acero, Juan P Laclette, Gladis Fragoso, Edda Sciutto
Taenia solium cysticercosis, a parasitic disease that affects human health in various regions of the world, is preventable by vaccination. Both the 97-amino-acid-long KETc7 peptide and its carboxyl-terminal, 18-amino-acid-long sequence (GK-1) are found in Taenia crassiceps Both peptides, with proven protective capacity against cysticercosis, are part of the highly conserved, cestode-native, 264-amino-acid long protein KE7. KE7 belongs to a ubiquitously distributed family of proteins associated to membrane processes and may participate in several vital cell pathways...
September 18, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28902569/a-new-classification-of-glaridacris-cooper-1920-cestoda-caryophyllidea-parasites-of-suckers-catostomidae-in-north-america-including-erection-of-a-new-genuspseudoglaridacris-n-gen
#19
Mikulas Oros, Dalibor Uhrovic, Tomáš Scholz
A taxonomic study of monozoic cestodes of the genus Glaridacris Cooper, 1920 (Cestoda: Caryophyllidea), parasites of catostomid fishes in North America, confirmed artificial character of the genus which is split to 2 different, morphologically distinct and not closely related genera. Glaridacris is newly circumscribed to include only 3 species, Glaridacris. catostomi Cooper, 1920 (type species), Glaridacris. terebrans (Linton, 1893) and Glaridacris. vogei Mackiewicz, 1976, which are characterized by an elongate body, a cuneiloculate or wedge-shaped scolex with six 6 shallow loculi, male and female gonopores at a distance from each other, follicular ovary and circum-medullary vitelline follicles (lateral and median)...
September 13, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28902284/retrieving-ascarid-and-taeniid-eggs-from-the-biological-remains-of-a-neolithic-dog-from-the-late-9th-millennium-bc-in-western-iran
#20
Niloofar Paknezhad, Farbod Haji Mazdarani, Morteza Hessari, Iraj Mobedi, Faezeh Najafi, Negar Bizhani, Mahsasadat Makki, Gholamreza Hassanpour, Gholamreza Mowlavi
BACKGROUND: Paleoparasitology reveals the status of parasitic infections in humans and animals in ancient times based on parasitic particles found in biological remains from archaeological excavations. This line of research emerged in Iran in 2013. OBJECTIVE: The identification of parasites from Neolithic times is an attractive subject that shows the oldest origins of parasitic infections in a given geographical region. From an archaeological point of view, this archaeological site is well-known for animal domestication and agriculture in ancient Iran...
September 2017: Memórias do Instituto Oswaldo Cruz
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