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Journal of Helminthology

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https://read.qxmd.com/read/30773157/molecular-detection-of-natural-infection-of-lymnaea-pseudosuccinea-columella-gastropoda-lymnaeidae-with-fasciola-gigantica-digenea-fasciolidae-from-two-provinces-of-south-africa
#1
M P Malatji, S Mukaratirwa
The main intermediate host of Fasciola gigantica in sub-Saharan Africa is Lymnaea (Radix) natalensis. Lymnaea (Pseudosuccinea) columella is capable of transmitting both F. gigantica and F. hepatica and has been reported to be present in South Africa. To date, no natural infection with F. gigantica has been reported despite the wide distribution of the snail. The aim of this study was to confirm whether L. (P.) columella was transmitting F. gigantica and/or F. hepatica in selected locations of KwaZulu-Natal and Eastern Cape provinces of South Africa...
February 18, 2019: Journal of Helminthology
https://read.qxmd.com/read/30767800/the-helminth-parasite-community-of-european-badgers-meles-meles-in-ireland
#2
R L Byrne, U Fogarty, A Mooney, E Harris, M Good, N M Marples, C V Holland
The European badger (Meles meles) is Ireland's largest terrestrial carnivore. Since first being identified as a wildlife reservoir of bovine tuberculosis in 1974 there has been an increased research focus into the behaviour of these ecologically important mammals in the Republic of Ireland (ROI). However, to date there has never been an assessment of the helminth parasite community of Irish badgers. This study of 289 badgers found helminth infection to be endemic within the sample population and we report for the first time the prevalence, abundance, intensity and aggregation of helminth infection in ROI...
February 15, 2019: Journal of Helminthology
https://read.qxmd.com/read/30761971/evaluation-of-antioxidant-and-oxidant-status-of-goats-capra-aegagrus-hircus-naturally-infected-with-haemonchus-contortus
#3
S Rashid, M Irshadullah
The present study aimed to assess the antioxidant and oxidant status of goats naturally infected with Haemonchus contortus. Based upon the parasite burden, infection in goats was categorized as heavy (> 500 worms), mild (100-500 worms) or low (< 100 worms). Abomasal tissues from non-infected and infected goats were used for the determination of catalase (CAT), glutathione S-transferase (GST), glutathione reductase (GR), glutathione peroxidase (GPx), aspartate (AST) and alanine (ALT) aminotransferases, acid (ACP) and alkaline (ALP) phosphatases, superoxide content (O2-), protein carbonyl (PC), malondialdehyde (MDA) and reduced glutathione (GSH)...
February 14, 2019: Journal of Helminthology
https://read.qxmd.com/read/30761968/survey-of-slug-parasitic-nematodes-in-east-and-west-flanders-belgium-and-description-of-angiostoma-gandavensis-n-sp-nematoda-angiostomidae-from-arionid-slugs
#4
P R Singh, M Couvreur, W Decraemer, W Bert
A survey for slug-associated nematodes in five locations of East and West Flanders in Belgium revealed the presence of one new and six known slug-parasitic nematodes, Agfa flexilis (Dujardin, 1845), Alloionema appendiculatum (Schneider, 1859), Angiostoma dentiferum (Mengert, 1953), Angiostoma limacis (Dujardin, 1845), Angiostoma norvegicum (Ross et al., 2017) and Phasmarhabditis hermaphrodita (Schneider, 1859). Angiostoma norvegicum and P. hermaphrodita are recorded for the first time in Belgium. The six known species are documented by light microscopy (LM) microphotographs and informative DNA sequences...
February 14, 2019: Journal of Helminthology
https://read.qxmd.com/read/30761963/diversity-of-rhabdochona-mexicana-nematoda-rhabdochonidae-a-parasite-of-astyanax-spp-characidae-in-mexico-and-guatemala-using-mitochondrial-and-nuclear-genes-with-the-description-of-a-new-species
#5
A Santacruz, C P Ornelas-García, G Pérez-Ponce de León
Among fish parasitic nematodes Rhabdochona is one of the most speciose genera, with c. 100 species. Twelve congeneric species occur in Mexican freshwater fishes, in a region located between the Nearctic and Neotropical biogeographical regions. Host association and biogeographical history have determined the high species richness of Rhabdochona in Mexico. One of these species, Rhabdochona mexicana, is highly specific to the characid genus Astyanax. Characids are a group of freshwater fish with Neotropical affinity...
February 14, 2019: Journal of Helminthology
https://read.qxmd.com/read/30758280/human-trichinellosis-caused-by-trichinella-britovi-in-greece-and-literature-review
#6
D Dimzas, A Diakou, C Koutras, M A Gómez Morales, D Psalla, P Keryttopoulos, D Deligianni, K Kontotasios, Edoardo Pozio
Trichinellosis is a cosmopolitan zoonotic parasitic disease caused by the nematodes of the genus Trichinella, through the consumption of raw or semi-raw infected meat from swine, horses and wild animals. This disease has been sporadically reported in Greece since 1946. The aim of the present study was to describe a trichinellosis case in a patient hospitalized in northern Greece, in 2017. A 47-year-old male was admitted to hospital with intense generalized myalgia, periorbital swelling, fever, exhaustion and anorexia...
February 13, 2019: Journal of Helminthology
https://read.qxmd.com/read/30732671/new-and-known-species-of-the-genus-pungentus-thorne-swanger-1936-dorylaimida-nordiidae-from-iran
#7
F Heydari, F Gharibzadeh, E Pourjam, M Pedram
This contribution provides morphological and molecular data for one new and one known species of the genus Pungentus. The first species, P. azarbaijanensis n. sp., was recovered from the rhizospheric soil of grasses, collected in West Azarbaijan province, Iran, and was characterized by 2082-2365 μm long females having an angular lip region separated from the rest of the body by a constriction, 33-35 μm long odontostyle, vulva at 43.5-51.0%, 27.0-29.5 μm long rounded-conoid tail, and males unknown. It was compared morphologically with five species: P...
February 8, 2019: Journal of Helminthology
https://read.qxmd.com/read/30729895/parasitic-infections-as-major-cause-of-abattoir-condemnations-in-cattle-slaughtered-at-an-ethiopian-abattoir-10-year-retrospective-study
#8
D Molla, S Nazir, A Mohammed, T Tintagu
Abattoirs are vital for gathering information on animal diseases and protecting the public from consuming infected or unhygienic meat. To assess the major reasons for organ and carcass condemnations and their financial implications, we reviewed 10-year abattoir records of slaughtered bovines between January 2005 and December 2014 at Kombolcha ELFORA abattoir, north-east Ethiopia. Of the 46,913 cattle slaughtered during that period, 17,963 (38.3%) had at least one disease condition. Lungs (10.67%) and liver (25%) were the most affected and condemned organs, followed by heart (1...
February 7, 2019: Journal of Helminthology
https://read.qxmd.com/read/30714557/dispersion-of-echinococcus-granulosus-eggs-from-infected-dogs-under-natural-conditions-in-patagonia-argentina
#9
P Sánchez Thevenet, H M Alvarez, C Torrecillas, O Jensen, J A Basualdo
Cystic echinococcosis caused by Echinococcus granulosus is a major zoonosis of public health significance in the Patagonian region of Argentina. This investigation sought to test the hypothesis that the persistence and dispersion of the parasite eggs can be explained by physical and meteorological parameters along with final host infection and behaviour. This observational study was carried out over a five-year period within an enclosure where two dogs harbouring a worm burden ranging from 100 to 1000 mature adult E...
February 4, 2019: Journal of Helminthology
https://read.qxmd.com/read/30714552/patterns-of-helminth-infections-in-rattus-rattus-and-mus-musculus-from-two-mayan-communities-in-mexico
#10
J A Panti-May, E E Palomo-Arjona, Y M Gurubel-González, R C Barrientos-Medina, M C Digiani, M R Robles, S F Hernández-Betancourt, C Machain-Williams
The black rat Rattus rattus and the house mouse Mus musculus are two commensal rodent species that harbour and shed zoonotic pathogens, including helminths. The aim of this survey was to study the helminth community and the patterns of infections in R. rattus and M. musculus from two Mayan communities in Mexico. Gastrointestinal helminths were isolated from 322 M. musculus and 124 R. rattus, including Gongylonema neoplasticum, Hassalstrongylus aduncus, Hassalstrongylus musculi, Hydatigera taeniaeformis metacestode, Hymenolepis diminuta, Nippostrongylus brasiliensis, Oligacanthorhynchidae gen...
February 4, 2019: Journal of Helminthology
https://read.qxmd.com/read/30714549/morphological-and-molecular-analyses-of-pseudomazocraes-sulamericana-n-sp-pseudomazocraes-selene-hargis-1957-cemocotyle-carangis-maccallum-1913-and-zeuxapta-seriolae-meserve-1938-monogenea-mazocraeidea-from-carangid-fishes-in-the-south-western-atlantic-ocean
#11
A C A Camargo, C P Santos
An integrative taxonomy approach was followed to analyse morphological and molecular characters of the monogenean species Pseudomazocraes selene, Cemocotyle carangis and Zeuxapta seriolae; specimens were collected from the gills of the carangid fishes Selene vomer, Caranx latus and Seriola lalandi caught off the coasts of the states of Rio de Janeiro and Santa Catarina, Brazil. The research revealed the presence of Pseudomazocraes sulamericana n. sp., which can be differentiated from other congeners by the shape of clamps mid-sclerite possessing a ventral piece bifurcated at the end, with large and right-angled edges of almost the same length, and by the shape of larval hooks and rounded terminal lappet...
February 4, 2019: Journal of Helminthology
https://read.qxmd.com/read/30702051/immunization-with-adult-schistosoma-mansoni-tegument-treated-with-sub-curative-praziquantel-partially-protects-mice-against-the-infection
#12
B E W El-Aswad, N M Harba, I M Moharm, S F Mahmoud
The tegument of schistosomes is a source of many potential anti-Schistosoma vaccine molecules. This work aimed to assess the protective effects of the adult Schistosoma mansoni tegument treated (TT) with sub-curative praziquantel (PZQ), whether in vivo (in vivo TT) or in vitro (in vitro TT), in murine schistosomiasis. In vitro TT and in vivo TT showed great similarity, and they differed from untreated tegument antigen (Teg) in terms of quantity and quality of protein bands on SDS-PAGE. Two immunization trials were performed, each with 50 mice, divided randomly into five groups of 10 mice each: (1) uninfected control mice (UC), (2) infected mice given phosphate buffer saline + adjuvant (PBS + adjuvant), (3) infected, Teg vaccinated, (4) infected, in vivo TT vaccinated, and (5) infected, in vitro TT vaccinated...
January 31, 2019: Journal of Helminthology
https://read.qxmd.com/read/30702050/hydatidosis-in-slaughtered-sheep-and-goats-in-india-prevalence-genotypic-characterization-and-pathological-studies
#13
A D Moudgil, P Moudgil, R K Asrani, R K Agnihotri
The present study determined the prevalence of hydatid cysts in different organs of slaughtered hilly 'Gaddi' breed small ruminants-sheep (n = 230) and goats (n = 197)-in Kangra Valley of the north-western Himalayas, India. Hydatid cysts were found in 12.2% (n = 28) of sheep and 10.7% (n = 21) of goats. Pulmonary echinococcosis was more prevalent in slaughtered sheep and goats (sheep 56.36%; goats 62.90%) than hepatic echinococcosis (sheep 43.64%; goats 37.10%). Fertility rates were higher in hepatic (81.25%) and pulmonary cysts of sheep (83...
January 31, 2019: Journal of Helminthology
https://read.qxmd.com/read/30588908/helminth-parasites-and-zoonotic-risk-associated-with-urban-coyotes-canis-latrans-in-alberta-canada
#14
L T Luong, J L Chambers, A Moizis, T M Stock, C C St Clair
Coyotes (Canis latrans) are resilient, adaptable, cosmopolitan omnivores that are increasingly prevalent in urban environments, where they interact with both humans and domestic dogs. Coyotes potentially transmit zoonotic parasites, including the tapeworm Echinococcus multilocularis, which appears to be increasing in prevalence in western North America. In this study, we analysed the carcasses of 23 urban coyotes in Edmonton, Alberta, Canada. Focusing primarily on the helminth community, we recovered three tapeworm species (E...
December 27, 2018: Journal of Helminthology
https://read.qxmd.com/read/30572964/a-new-species-of-raphidascaris-nematoda-raphidascarididae-infecting-the-fish-gymnogeophagus-balzanii-cichlidae-from-the-pantanal-wetlands-brazil-and-a-taxonomic-update-of-the-subgenera-of-raphidascaris-based-on-molecular-phylogeny-and-morphology
#15
L S Malta, F Paiva, C Elisei, L E R Tavares, F B Pereira
Raphidascaris (Sprentascaris) andersoni n. sp. (Nematoda: Raphidascarididae) collected in the intestine of the humphead cichlid Gymnogeophagus balzanii (Perugia) from the Pantanal wetlands, State of Mato Grosso do Sul (Brazil) is described and genetically characterized. The new species differs from its congeners mainly by having a conspicuous papilla-like formation slightly anterior to the cloacal aperture. Furthermore, males of R. (S.) lanfrediae and R. (S.) mahnerti have caudal alae, and R. (S.) hypostomi and R...
December 21, 2018: Journal of Helminthology
https://read.qxmd.com/read/30565528/a-closer-look-at-the-morphological-and-molecular-diversity-of-neoechinorhynchus-acanthocephala-in-middle-american-cichlids-osteichthyes-cichlidae-with-the-description-of-a-new-species-from-costa-rica
#16
C D Pinacho-Pinacho, A L Sereno-Uribe, M García-Varela, G Pérez-Ponce de León
Neoechinorhynchus is one of the most speciose genera of acanthocephalans, with approximately 116 described species. A recent study, aimed at establishing the genetic diversity of Neoechinorhynchus in Middle American freshwater fishes, validated nine species molecularly and morphologically and revealed the existence of 10 putative candidate species. Neoechinorhynchus golvani, a parasite commonly found in cichlids throughout Middle America with an allegedly large intraspecific morphological variability, was found to represent a species complex; species delimitation methods uncovered three additional genetic lineages...
December 19, 2018: Journal of Helminthology
https://read.qxmd.com/read/30526698/abo-blood-group-antigens-may-be-associated-with-increased-susceptibility-to-schistosomiasis-a-systematic-review-and-meta-analysis
#17
R E Tiongco, N A Paragas, M J Dominguez, S L Lasta, J K Pandac, M R Pineda-Cortel
Schistosomiasis or bilharzia is a widespread parasitic disease caused by blood flukes of the genus Schistosoma. Some factors have been investigated previously regarding their effect on the pathophysiological mechanism of human schistosomiasis, but the possible influence of the ABO blood group on the severity of Schistosoma infection has been the most promising. Hence, we performed a systematic review and meta-analysis to further investigate the association of the ABO blood group with schistosomiasis susceptibility...
December 11, 2018: Journal of Helminthology
https://read.qxmd.com/read/30526694/morphological-and-molecular-characterization-of-two-new-species-of-the-genus-aporcelinus-andr%C3%A3-ssy-2009-nematoda-dorylaimida-aporcelaimidae-from-the-usa-with-new-insights-on-the-phylogeny-of-the-genus
#18
S Álvarez-Ortega, S A Subbotin, R Peña-Santiago
Two new species of the genus Aporcelinus from the USA are described and illustrated. Aporcelinus floridensis sp. n. is characterized by its 1.12-1.52 mm long body, lip region offset by marked constriction and 14.5-17.0 μm broad with perioral liplets, odontostyle 16.5-20.0 μm at its ventral side and 1.1-1.2 times the lip region diameter, neck 316-395 μm long, pharyngeal expansion occupying 43-48% of total neck length, uterus simple and 33-56 μm long or 0.8-1.2 times the corresponding body diameter, V = 48-54, female tail conical (36-49 μm long, c = 27-41, c' = 1...
December 11, 2018: Journal of Helminthology
https://read.qxmd.com/read/30520393/an-amended-description-of-two-gyrodactylus-species-platyhelminthes-monogenea-parasitizing-antarctic-notothenioid-fish
#19
I Heglasová, V Nezhybová, I Přikrylová
Species identification based on the morphometry of opisthaptoral hard parts, in combination with internal transcribed spacer ribosomal DNA (ITS rDNA) region sequences, confirmed the presence of four viviparous Gyrodactylus von Nordman, 1832 (Plathyhelminthes, Monogenea) species on Nototheniid fish from the Prince Gustav Channel (Weddell Sea, Antarctica). Gyrodactylus antarcticus Gusev, 1967 was found mostly on Trematomus newnesi Boulenger (93 specimens) but also on T. bernacchii Boulenger (one specimen), the latter representing a new host record for this species...
December 6, 2018: Journal of Helminthology
https://read.qxmd.com/read/30511610/morphological-and-molecular-characterization-of-megalobatrachonema-hainanensis-sp-nov-nematoda-ascaridida-with-phylogenetic-position-of-megalobatrachonema-in-cosmocercoidea
#20
H-X Chen, L-P Zhang, L Li
The genus Megalobatrachonema is a rare group of nematode parasites within Ascaridida. The systematic status of Megalobatrachonema in the superfamily Cosmocercoidea (Ascaridida) has long been controversial. The relationship of Megalobatrachonema and Chabaudgolvania remains unsolved. In the present study, a new species of Megalobatrachonema, M. hainanensis sp. nov., was described based on specimens collected in Amolops hainanensis (Boulenger) and Hylarana spinulosa (Smith) (Amphibia: Anura) from Hainan Island, China...
December 4, 2018: Journal of Helminthology
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