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Parasitology International

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https://read.qxmd.com/read/30776450/first-molecular-detection-of-mycoplasma-wenyonii-and-the-ectoparasite-biodiversity-in-dairy-water-buffalo-and-cattle-in-bohol-philippines
#1
P Ybañez Adrian, D Ybañez Rochelle Haidee, M Armonia Reynald Klint, E Chico James Knowell, V Ferraren Kevin James, P Tapdasan Emerson, B Salces Caro, A Maurillo Bon Christian, S Galon Eloiza May, C Macalanda Adrian Miki, A Moumouni Paul Franck, Xuan Xuenan
Hemoplasmosis caused by Mycoplasma spp. have been associated with major economic losses in the global dairy production. Hemoplasma studies in the Philippines are limited despite its potential impact. This study mainly aimed to detect the presence of hemoplasma species in dairy water buffaloes and cattle and know their ectoparasite biodiversity in Bohol, Philippines. Detection of Mycoplasma spp. was performed using peripheral blood smear examination (PBSE) and standard PCR using whole blood samples collected from 100 dairy water buffaloes and 40 dairy cattle...
February 15, 2019: Parasitology International
https://read.qxmd.com/read/30738953/morphological-and-molecular-characterization-of-six-indian-tetracotyle-type-metacercariae-digenea-strigeidae-railliet-1919-using-ribosomal-and-mitochondrial-dna
#2
Kirti Choudhary, Shailendra Ray, Keshava C Pandey, Nirupama Agrawal
Strigeids have a cup-shaped fore body, containing a holdfast organ with two lobes and hind body. The species diversity of strigeids remains incomplete, especially in the Indian sub-continent. Here, we described six Tetracotyle type metacercariae (T. muscularis, T. fausti, T. lucknowensis, T. xenentodoni, T. mathuraensis and T. glossogobii) from five fresh water fish, collected at Lucknow (India). Next, we characterized these metacercariae using ribosomal (18S, 28S, ITS2) and mitochondrial DNA (COI) to determine their systematic and phylogenetic position...
February 7, 2019: Parasitology International
https://read.qxmd.com/read/30738952/phylogenetic-relationships-and-systematic-position-of-the-enigmatic-urotrema-braun-1900-platyhelminthes-digenea
#3
Vasyl V Tkach, Stephen E Greiman, Eric E Pulis, Daniel R Brooks, Carlos Carrion Bonilla
The systematic position of Urotrema Braun, 1900 and the family Urotrematidae Poche, 1926 have always been controversial. Due to its unusual morphological characteristics, lack of knowledge of the life cycle or details of its excretory system, this family was placed within different higher taxonomic groups of digeneans. Despite being one of the most enigmatic digenean families in terms of its phylogenetic affinities, DNA sequence data for Urotrematidae were lacking. Here, we evaluate the phylogenetic relationships of Urotrema using newly obtained partial sequences of the 28S rRNA gene from Urotrema specimens collected in North, Central and South America including the type species U...
February 7, 2019: Parasitology International
https://read.qxmd.com/read/30726716/polymorphism-evidence-in-plasmodium-haemamoeba-lutzi-lucena-1939-apicomplexa-haemosporida-isolated-from-brazilian-wild-birds
#4
Luísa de Oliveira, Franciane Cedrola, Marcus Vinicius Xavier Senra, Kézia Katiani Gorza Scopel, Isabel Martinele, Raquel Tostes, Roberto Júnio Pedroso Dias, Marta D'Agosto
Plasmodium parasites can infect great variety of bird species around the world inflicting the so called avian malaria, an illness that could be fatal in some cases and consequently, should be monitored and widely included into conservation programs. The aim of this study was to characterize two lineages of Plasmodium (Haemamoeba) lutzi found in some birds in the Atlantic Forest of Minas Gerais - Brazil, that were morphologically identified after blood smears analyses under light microscopy and molecularly by sequencing the mitochondrial cytochrome b gene (cyt b)...
February 3, 2019: Parasitology International
https://read.qxmd.com/read/30716463/an-advanced-protocol-for-the-purification-of-whipworm-eggs-from-feces-for-use-as-therapeutic-agents
#5
Jun Ho Choi, Sang Kyun Park, Mi Kyung Park, Shin Ae Kang, Dain Lee, So Myong Song, Hye Jin Kim, Sung Hee Park, Eun-Min Kim, Hak Sun Yu
Recent studies have attempted to treat autoimmune diseases using Trichuris suis .whipworm) eggs. Large quantities of eggs can be obtained efficiently by collecting from the feces of the porcine hosts rather than by extracting from the female worm uterus. However, it is difficult to process large amounts of feces using the current methods. In the present study, we propose a method to collect the eggs from bulk feces more efficiently. Collecting the eggs using washing meshes (25 μm sieve) yields 65.7% (56...
February 1, 2019: Parasitology International
https://read.qxmd.com/read/30716462/endosymbionts-interaction-with-trypanosomes-in-palpalis-group-of-glossina-captured-in-southwest-nigeria
#6
Paul Olalekan Odeniran, Ewan Thomas Macleod, Isaiah Oluwafemi Ademola, Susan Christina Welburn
Glossina species epidemiological studies were conducted in "fly-belt" endemic zone of southwest Nigeria. Two major study areas were identified and four Nzi traps were set in each site for tsetse collection. This study was conducted to determine the prevalence of endosymbionts (Wigglesworthia glossinidia, Sodalis glossinidius and Wolbachia) in natural field-trapped populations of G. p. palpalis and G. tachinoides and investigate the corresponding interactions with African trypanosomes. A total of 64 tsetse flies were collected, these included G...
February 1, 2019: Parasitology International
https://read.qxmd.com/read/30716461/comparison-of-the-intestinal-helminth-community-of-the-large-japanese-field-mouse-apodemus-speciosus-between-urban-rural-and-natural-sites-in-hokkaido-japan
#7
Jason L Anders, Minoru Nakao, Kenta Uchida, Christopher Ayer, Mitsuhiko Asakawa, Itsuro Koizumi
Anthropogenic ecosystem modification has affected over 80% of the global land cover. Interest in its effects on wildlife has been growing over the past several decades, specifically in regard to biodiversity and ecosystem function. Parasites are of particular interest, because they directly impact animal health, and can be transmitted to humans through the process of zoonosis. However, most studies so far tended to focus on only one or two parasites with few looking at the entire community, thereby limiting our understanding of the effects of ecosystem modification on parasitic organisms...
February 1, 2019: Parasitology International
https://read.qxmd.com/read/30711641/berries-as-a-potential-transmission-vehicle-for-taeniid-eggs
#8
Malkamäki Sanna, Näreaho Anu, Oksanen Antti, Sukura Antti
Potential role of wild forest berries as a transmission vehicle for taeniid eggs was examined using non-zoonotic Taenia laticollis eggs as a model. The berries studied were bilberries (Vaccinium myrtillus) (1 m2 plot, n = 10) and lingonberries (Vaccinium vitis-idaea) (1 m2 plot, n = 11). The plots in the managed forest were evenly sprayed with 30,000 or 60,000 T. laticollis eggs suspended in water, and berries were collected 24 h after spraying. The berries were rinsed with water, and the water was sieved through a 1-mm and a 63-μm sieve to remove coarse material and through a 20-μm sieve to collect possible eggs...
January 31, 2019: Parasitology International
https://read.qxmd.com/read/30711640/supplementary-studies-on-henneguya-guanduensis-cnidaria-myxosporea-infecting-gills-and-intestine-of-hoplosternum-littorale-in-brazil-ultrastructural-and-molecular-data
#9
Diego Henrique Mirandola Dias Vieira, Larissa Sbeghen Pelegrini, Vanessa Doro Abdallah, Rodney Kozlowiski de Azevedo
Henneguya guanduensis was originally described as a gill parasite of the Hoplosternum litoralle, a siluriform fish belonging to the Callichthyidae family. A study was undertaken with 58 specimens of H. litoralle taken from Batalha River in the state of São Paulo. The fish were collected and examined searching for lesions and/or myxosporean plasmodia. The prevalence of infection was 9.31% in the gills and 5.17% in the intestine. The mature spores had elongated bodies with polar capsules of inequal size and a caudal length greater than body length...
January 31, 2019: Parasitology International
https://read.qxmd.com/read/30684652/a-paruterinid-metacestode-in-the-liver-of-a-neotropical-bat-molossus-molossus
#10
Alex Junior Souza de Souza, Andreza Pinheiro Malheiros, Max Moreira Alves, André Antônio Corrêa das Chagas, Lilian Rose Marques de Sá, Manoel do Carmo Pereira Soares
We describe a case of microscopic liver lesion caused by larval cestode in a frugivorous bat (Molossus molossus) from the Western Brazilian Amazon. Histopathological analysis of liver indicated the occurrence of metacestode associated with multifocal histiocytic response and the phylogenetic analysis of Cox-I and 18S rDNA genes indicated that the parasite belonged to the family Paruterinidae. This is the first identification of cestodes of the family Paruterinidae in bats and may suggest a broad range of paruterinid tapeworm hosts to be investigated in the Brazilian Amazon...
January 23, 2019: Parasitology International
https://read.qxmd.com/read/30664981/differential-diagnosis-and-molecular-characterization-of-theileria-spp-in-sika-deer-cervus-nippon-in-hokkaido-japan
#11
Seung-Hun Lee, Paul Franck Adjou Moumouni, Eloiza May Galon, Patrick Vudriko, Mingming Liu, Byamukama Benedicto, Maria Agnes Tumwebaze, Damdinsuren Boldbaatar, Rika Umemiya-Shirafuji, Shinya Fukumoto, Xuenan Xuan
Sika deer (Cervus nippon) is widely distributed in Asian countries and is one of the most common wildlife animals in Hokkaido, Japan. Previous studies identified Theileria spp. in sika deer in Japan including Theileria sp. Thrivae belonging to T. cervi group and Theileria sp. sola belonging to T. capreoli group. However, the studies failed to differentiate these two species without sequencing. Therefore, epidemiological information on cervine theileriosis in Hokkaido, Japan is limited. This study differentiated the two Theileria spp...
January 18, 2019: Parasitology International
https://read.qxmd.com/read/30654027/impairment-of-the-phosphotransfer-network-and-performance-in-broiler-chickens-experimentally-infected-by-eimeria-spp-the-role-of-the-oxidative-stress
#12
Bruno F Fortuoso, Matheus D Baldissera, Carine F Souza, Luiz Gustavo Griss, Renata A Casagrande, Thierry G de Cristo, Fábio Santiani, Marily G da Cunha, Marcel M Boiago, Lenita M Stefani, Aleksandro S Da Silva
The aim of this study was to evaluate whether infection Eimeria spp. in broiler chickens could negatively affect seric enzymes linked to adenosine triphosphate (ATP) metabolism and its relationship to oxidative stress. For this, 30 broiler chickens, 27 days-old, were divided into two groups (n = 15): the control group (C) and the group infected by Eimeria spp. (I). On days 1, 7 and 15 of the experiment, the animals were weighed, and fecal and blood samples were collected to evaluate the presence of oocysts and for serum biochemistry and enzymatic parameters, respectively...
January 14, 2019: Parasitology International
https://read.qxmd.com/read/30639137/role-of-il-10-in-inhibiting-protective-immune-responses-against-infection-with-heterologous-plasmodium-parasites
#13
Sayuri Nakamae, Daisuke Kimura, Mana Miyakoda, Odsuren Sukhbaatar, Shin-Ichi Inoue, Katsuyuki Yui
Malaria is induced by infection with Plasmodium parasites, which are genetically diverse, and the immune response to Plasmodium infection has both allele-specific and cross-reactive components. To determine the role of the cross-reactive immune response in the protection and disease manifestation in heterologous Plasmodium infection, we used infection models of P. chabaudi chabaudi (Pcc) and P. berghei ANKA (PbA). CD4+ T cells primed with Pcc infection exhibited strong cross-reactivity to PbA antigens. We infected C57BL/6 mice with Pcc and subsequently treated them with an anti-Plasmodium drug...
January 9, 2019: Parasitology International
https://read.qxmd.com/read/30630115/ascaris-lumbricoides-found-in-ashore-corpses-from-korean-peninsula-to-japan
#14
Megumi Sato, Kazuhisa Funayama, Reiji Hoshi, Hisakazu Takatsuka, Marcello Otake Sato
Yearly, several reports of unknown boats and corpses brought by the Tsushima Current are found ashore Japanese coast. Niigata prefecture had the highest number of the drifting ashore corpses in Japan with 45.7% (16/35) in 2017. Corpses from North Korea, confirmed by documents and photos were autopsied and in 3/16 was possible to recover worms full of eggs, morphologically identified as ascarids. Further molecular analysis of ITS1, 5.8S rDNA and ITS2 sequences confirmed all specimens were Ascaris lumbricoides...
January 7, 2019: Parasitology International
https://read.qxmd.com/read/30630114/native-sag1-in-toxoplasma-gondii-lysates-is-superior-to-recombinant-sag1-for-serodiagnosis-of-t-gondii-infections-in-chickens
#15
Cornelia Appiah-Kwarteng, Taizo Saito, Natsuki Toda, Katsuya Kitoh, Yoshibumi Nishikawa, Christopher Adenyo, Boniface Kayang, Ebenezer Oduro Owusu, Kenji Ohya, Miho Inoue-Murayama, Fumiya Kawahara, Kisaburo Nagamune, Yasuhiro Takashima
Toxoplasma gondii can infect almost all mammals and birds, including chickens. The aim of this study was to identify an appropriate immunogenic antigen for serodiagnosis of T. gondii infections in chickens. We examined serum samples from chickens that were intravenously or intraperitoneally infected with 106 -108 tachyzoites of T. gondii strains PLK, RH, CTG, ME49 or TgCatJpGi1/TaJ using enzyme-linked immunosorbent assays (ELISAs), latex agglutination tests (LATs) and western blotting. Regardless of parasite strain or infection dose and route, the commercial LAT was positive for almost all sera collected 1 week post-infection...
January 7, 2019: Parasitology International
https://read.qxmd.com/read/30590124/occurrence-of-zoonotic-cryptosporidium-and-giardia-duodenalis-species-genotypes-in-urban-rodents
#16
Tiong Kai Tan, Van Lun Low, Wern Hann Ng, Jamaiah Ibrahim, Daryi Wang, Chun Hoong Tan, Selvi Chellappan, Yvonne Ai Lian Lim
This report describes the detection of zoonotic C. muris, C. parvum subgenotype IIa and Giardia duodenalis genotype B in urban rodents in Malaysia. A rare occurrence of C. meleagridis was also reported suggesting a role of rodents in mechanical transmission of this pathogen. Utilization of DNA sequencing and subtyping analysis confirmed the presence of zoonotic C. parvum subtypes IIaA17G2R1 and IIaA16G3R1 for the first time in rodents.
December 24, 2018: Parasitology International
https://read.qxmd.com/read/30582997/repurposing-azole-antifungals-into-antileishmanials-novel-3-triazolylflavanones-with-promising-in-vitro-antileishmanial-activity-against-leishmania-major
#17
Masoud Keighobadi, Saeed Emami, Mahdi Fakhar, Azar Shokri, Hassan Mirzaei, Saeed Hosseini Teshnizi
Previously, we have described a series of azole antifungals namely 3-(1,2,4-triazol-1-yl)flavanones (TFs) containing an N-(phenethyl)azole framework required for sterol 14α-demethylase (CYP51) inhibitory activity. Similar mechanism of action of azoles in fungi and protozoan parasites prompted us to investigate the potential effects of TFs against promastigote and amastigote forms of Leishmania major (L. major), as well as their toxicity against macrophages, apoptosis induction and in silico interactions with the target enzyme...
December 21, 2018: Parasitology International
https://read.qxmd.com/read/30552978/intestinal-parasites-and-lungworms-in-stray-shelter-and-privately-owned-cats-of-switzerland
#18
Eva-Maria Zottler, Monika Bieri, Walter Basso, Manuela Schnyder
Endoparasitic infections represent relevant causes of respiratory and gastrointestinal diseases in cats. The aim of the study was to investigate the occurrence of endoparasites in Swiss cats in order to evaluate the risk of onset of parasitic diseases and potential correlated zoonoses. Therefore 664 faecal samples from privately owned (n = 299), shelter (n = 197) and stray (n = 168) cats were investigated by sedimentation-flotation and 468 samples additionally by the Baermann technique. Overall, 77...
December 12, 2018: Parasitology International
https://read.qxmd.com/read/30550977/three-monophyletic-clusters-in-retortamonas-species-isolated-from-vertebrates
#19
Joko Hendarto, Tetsushi Mizuno, Anggi P N Hidayati, Ismail E Rozi, Puji B S Asih, Din Syafruddin, Hisao Yoshikawa, Makoto Matsubayashi, Masaharu Tokoro
Retortamonas spp. has been reported as an intestinal parasite among various host organisms, including humans; however, its intra-genus molecular diversity has not yet been elucidated. Haplotypes of the 18S small subunit ribosomal RNA locus (1836-1899 bp) of Retortamonas spp. from humans (n = 8), pigs (n = 6), dogs (n = 1), goats (n = 16), water buffalos (n = 23), cattle (n = 7), rats (n = 3), and chickens (n = 5) were analyzed with references isolated from non-human mammals, amphibians, and insects...
December 11, 2018: Parasitology International
https://read.qxmd.com/read/30543864/method-for-the-separation-of-mitochondria-and-apicoplast-from-the-malaria-parasite-plasmodium-falciparum
#20
Masayuki Hata, Shigeharu Sato, Kiyoshi Kita
The growth and the survival of the human malaria parasite Plasmodium falciparum are critically dependent on the functions of the two organelles - the mitochondrion and the apicoplast. However, these two organelles have been known to be difficult to separate from each other when they are released from Plasmodium cell. We have been searching for the conditions with which separation of the mitochondrion and the apicoplast is achieved. In this study, we investigated how the two organelle's separation is affected when the pressure of the nitrogen gas to disrupt the Plasmodium cells by nitrogen cavitation method is lowered from the pressure regularly applied (1200 psi)...
December 10, 2018: Parasitology International
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