journal
https://read.qxmd.com/read/38380478/sympatric-occurrence-of-taenia-saginata-and-sarcocystis-spp-in-cattle-from-narok-county-kenya-meat-inspection-findings-with-molecular-validation
#1
JOURNAL ARTICLE
D O Oduori, P M Kitala, T M Wachira, E Mulinge, E Zeyhle, S Gabriël, P B Gathura
The epidemiological picture of Taenia saginata infections in Kenya is fragmented with limited available data. Although Sarcocystis species are significant meat-borne parasites, few studies have explored their occurrence in Kenya. This study aimed to estimate the occurrence of bovine cysticercosis and screen for the presence of Sarcocystis spp. A meat inspection-based survey was conducted in ten abattoirs in Narok County, Kenya, and inspection for T. saginata cysticerci was limited to the Triceps brachii muscle...
February 21, 2024: Journal of Helminthology
https://read.qxmd.com/read/38356358/analysis-of-p-gp-genes-relative-expression-associated-to-ivermectin-resistance-in-haemonchus-contortus-larval-stages-from-in-vitro-cultures-l-3-and-xl-3-and-from-gerbils-meriones-unguiculatus-l-4-as-models-of-study
#2
JOURNAL ARTICLE
D E Reyes-Guerrero, R I Higuera-Piedrahita, J Maza-Lopez, P Mendoza-de-Gives, R Camas-Pereyra, M E López-Arellano
The aim of the study was to compare the relative gene expression of Haemonchus contortus P-glycoprotein genes ( Hco-pgp ) between fourth (L4 ), infective (L3 ), and transitory infective (xL3 ) larval stages as laboratory models to study ivermectin (IVM) resistance. The H. contortus resistant to IVM (IVMr) and susceptible to IVM (IVMs) strains were used to develop xL3 in vitro culture and to infect Meriones unguiculatus (gerbils) to collect L4 stages. Morphometric differences were evaluated from 25 individuals of H...
February 15, 2024: Journal of Helminthology
https://read.qxmd.com/read/38347824/description-and-molecular-characterization-of-trachactinolaimus-persicus-sp-n-from-iran-nematoda-dorylaimida-actinolaimidae-with-new-insights-into-the-taxonomy-and-evolutionary-relationships-of-the-genus
#3
JOURNAL ARTICLE
M Asgari, M Mohammadlou, A Eskandari, J Abolafia, R Peña-Santiago
A new species of the free-living nematode genus Trachactinolaimus , collected in natural habitats of northern Iran, is described, including morphological and molecular (28S-rDNA) data. Trachactinolaimus persicus sp. n. is characterized by its 1.95-2.44 mm long body, lip region weakly offset by depression and 18-20 μm wide, odontostyle 25-27 μm long, neck 540-636 μm long, pharyngeal expansion occupying one-half of the total neck length, bipartite uterus 2.6-3.9 body diameters long, vulva ( V = 49-53) pore-like, tail long and filiform in both sexes (174-223 μm, c = 10...
February 13, 2024: Journal of Helminthology
https://read.qxmd.com/read/38325410/avian-trematodes-of-central-european-corvids-are-heterogeneous-regarding-preferences-for-host-species-and-age
#4
JOURNAL ARTICLE
J Sitko, P Heneberg
Corvids are highly adaptive birds that respond well to anthropogenic changes in their environment. Trematode communities of corvids were studied mainly in the 1950s through 1970s in regularly flooded parts of the Volga River delta in Russia; more recent studies and data from other regions where the corvids are in less contact with postflooding habitats are limited. Data for Corvus corax were lacking. Using our samples obtained from 1963 to 2023, we performed a large-scale analysis of trematode species composition and community structure in Corvus frugilegus , Corvus cornix , C...
February 7, 2024: Journal of Helminthology
https://read.qxmd.com/read/38305058/pattern-of-anuran-infection-by-acanthocephalans-from-the-cerrado-northeastern-brazil-with-a-summary-for-south-america
#5
JOURNAL ARTICLE
B R Dos Santos, A A M Teixeira, J M do Nascimento, S V Brito
In Brazil, acanthocephalans parasitise anurans in several biomes. In the present study, we performed an analysis of acanthocephalan infections across 175 anuran individuals from the Cerrado biome, belonging to ten species: Boana raniceps, Pithecopus hypochondrialis, Scinax fuscomarginatus, Scinax x-signatus , Leptodactylus pustulatus, Leptodactylus macrosternum, Leptodactylus vastus, Physalaemus cuvieri, Adenomera hylaedactyla , and Elachistocleis piauiensis. We also verified the specificity of the parasites using the S TD * index...
February 2, 2024: Journal of Helminthology
https://read.qxmd.com/read/38305043/description-of-acromoldavicus-xerophilus-n-sp-nematoda-rhabditida-elaphonematidae-from-the-southern-iberian-peninsula-including-a-key-to-species-of-the-genus
#6
JOURNAL ARTICLE
M-C Robles, J Abolafia
A new species of the genus Acromoldavicus is described from coastal sand dunes and sandy soil in the southeast of the Iberian Peninsula. Acromoldavicus xerophilus n. sp. is characterized by its 557-700 μm body length, cuticle tessellated, lip region with three pairs of expanded lips bearing a large labial expansion, primary axils bearing guard processes with two different morphology, secondary axils lacking guard processes, stoma short and tubular with prostegostom bearing prominent rhabdia directed towards the stoma lumen, female reproductive system monodelphic-prodelphic, post-vulval sac 0...
February 2, 2024: Journal of Helminthology
https://read.qxmd.com/read/38305033/china-s-prevention-and-control-experience-of-echinococcosis-a-19-year-retrospective
#7
JOURNAL ARTICLE
H Gu, Y Hu, S Guo, Y Jin, W Chen, C Huang, Z Hu, F Li, J Liu
Echinococcosis poses a significant threat to public health. The Chinese government has implemented prevention and control measures to mitigate the impact of the disease. By analyzing data from the Chinese Center for Disease Control and Prevention and the State Council of the People's Republic of China, we found that implementation of these measures has reduced the infection rate by nearly 50% between 2004 to 2022 (from 0.3975 to 0.1944 per 100,000 person-years). Nonetheless, some regions still bear a significant disease burden, and lack of detailed information limites further evaluation of the effects on both alveolar and cystic echinococcosis...
February 2, 2024: Journal of Helminthology
https://read.qxmd.com/read/38269544/advances-in-diagnostic-approaches-to-fasciola-infection-in-animals-and-humans-an-overviews
#8
REVIEW
A Aftab, O K Raina, A Maxton, S A Masih
Fasciolosis, caused by Fasciola hepatica and F. gigantica, is an impediment to the livestock industry’s expansion and has a massively negative socio-economic impact due to its widespread prevalence in livestock. It is a waterborne zoonosis affecting human populations in the countries where rural economies are associated with livestock rearing. Conventional diagnosis of Fasciola infection is done by detecting parasite eggs in the faeces of infected animals or by immunological methods. Accurate and quick immunodiagnosis of Fasciola infection in animals and humans is based on the detection of antibodies and specific antigens expressed in the prepatent stage of the parasite...
January 25, 2024: Journal of Helminthology
https://read.qxmd.com/read/38263759/influence-of-tides-on-the-dissemination-and-related-health-risks-of-intestinal-helminths-along-the-kribi-beaches-atlantic-coast-southern-cameroon
#9
JOURNAL ARTICLE
P A Nana, S Tchakonté, M Pahane Mbiada, A L Fotseu Kouam, R S Mouchili Palena, G Bricheux, M Nola, T Sime-Ngando
Kribi is a seaside town that welcomes thousands of tourists each year. However, the poor sanitation condition of its beaches along the Atlantic coast is not without risk for visitors. In this study, we used the formol-ether concentration technique to identify and quantify larvae or eggs of intestinal helminths in waters of three regularly visited Kribi beaches (Mpalla, Ngoyè, and Mboamanga). Results revealed that all identified larvae and eggs were cestodes ( Hymenolepis nana ) and nematodes ( Strongyloides sp...
January 24, 2024: Journal of Helminthology
https://read.qxmd.com/read/38263743/effects-of-co-infection-with-clonorchis-sinensis-on-t-cell-exhaustion-levels-in-patients-with-chronic-hepatitis-b
#10
JOURNAL ARTICLE
Huimin Dong, Yuan Liao, Mei Shang, Yuechun Fu, Hongbin Zhang, Minqi Luo, Bo Hu
To investigate the effects of co-infection with Clonorchis sinensis (C. sinensis) on T cell exhaustion levels in patients with chronic hepatitis B, we enrolled clinical cases in this study, including the patients with concomitant C. sinensis and HBV infection. In this study, we detected inhibitory receptors and cytokine expression in circulating CD4+ and CD8+ T cells by flow cytometry. PD-1 and TIM-3 expression levels were significantly higher on CD4+ T and CD8+ T cells from co-infected patients than on those from the HBV patients...
January 24, 2024: Journal of Helminthology
https://read.qxmd.com/read/38263742/diversity-of-acanthocephala-parasites-in-neotropical-amphibians
#11
REVIEW
L A Olivera, K M Campião
Acanthocephalans constitute a small taxonomic group related to rotifers and specialized in a parasitic lifestyle. Anurans act as paratenic and definitive hosts and infections always occur trophically. Our objective is to describe and summarize the richness of acanthocephalans in Neotropical anurans. We conducted a literature review in the main research databases, compiling data published until August 2021. We identified 66 articles with records of acanthocephalan-anuran association, 53.03% were carried out in Brazil...
January 24, 2024: Journal of Helminthology
https://read.qxmd.com/read/38247291/a-new-species-of-urocleidoides-mizelle-price-1964-from-the-gills-of-schizodon-nasutus-kner-1858-characiformes-anostomidae-in-southeastern-brazil
#12
JOURNAL ARTICLE
M Ebert, M M Osaki-Pereira, G Pérez-Ponce de León, R J Silva
Based on an integrative approach, this study describes a new species of Urocleidoides infesting Schizodon nasutus in the Paranapanema River basin, Brazil. The new species can be distinguished from its congeners by specific morphological features, including the shape of the male copulatory organ and accessory piece, the ventral bar shape, and the shape and size of the hooks. Molecular analyses, particularly of the 28S rDNA gene, suggest a close relationship between the new species and Urocleidoides paradoxus...
January 22, 2024: Journal of Helminthology
https://read.qxmd.com/read/38234205/palaeoparasitology-confirms-early-lapita-evidence-of-pig-and-dog-at-kamgot-bismarck-archipelago
#13
JOURNAL ARTICLE
M Horrocks, G Summerhayes, B Presswell
Little is known about helminth parasites of the Bismarck Archipelago, in either archaeological or modern contexts. This study presents a parasitological analysis of soil samples from Early Lapita habitation layers at Kamgot (3300-3000 BP). Evidence for the presence of pigs and dogs and the timing of their arrival in Early Lapita contexts have been contested in the literature. The finding of parasite eggs in samples from Kamgot supports the presence of pigs and dogs at the site. Six types of helminth eggs were identified: pig nematode Trichuris suis , dog nematode Toxocara canis, and cestode Dipylidium caninum , as well as two unknown trematodes and a possible anoplocephalid cestode, thereby indicating the local presence of other mammals or birds...
January 18, 2024: Journal of Helminthology
https://read.qxmd.com/read/38225903/semperula-wallacei-mollusca-veronicellidae-um-hospedeiro-natural-rec%C3%A3-m-descoberto-de-angiostrongylus-cantonensis-nematoda-angiostrongylidae-na-bacia-do-pac%C3%A3-fico
#14
JOURNAL ARTICLE
C L F Mendonça, R L Caldeira, O S Carvalho, S D'ávila, S R Gomes
Semperula wallacei (Issel, 1874) is a species of terrestrial slug that occurs in southeast China and the Pacific Basin and is the only species of its genus that occurs beyond the Oriental region and to the east of Wallace's line in the Australian region, where it has probably been introduced. In this study, we report for the first time S. wallacei as an intermediate host for Angiostrongylus cantonensis (Chen, 1935) based on histological and molecular analyses of slugs from Tuamasaga, Samoa, deposited at the Medical Malacological Collection (Fiocruz-CMM)...
January 16, 2024: Journal of Helminthology
https://read.qxmd.com/read/38213187/gastrointestinal-helminths-of-the-australasian-harrier-circus-approximans-peale-1848-in-new-zealand-and-description-of-a-new-species-of-nematode-procyrnea-fraseri-n-sp-habronematidae
#15
JOURNAL ARTICLE
Bronwen Presswell, Jerusha Bennett
The Australasian harrier Circus approximans , a native of Australia, New Zealand and the South Pacific, is an opportunistic hunter of small prey, although a large part of its diet consists of carrion, mainly from roadkill. Besides a record of a single, unnamed species of capillariid nematode there have been no investigations into the parasites of Australasian harriers in New Zealand. In this study, a helminthological survey of sixty-five deceased harriers from southern New Zealand uncovered a gastrointestinal helminth fauna consisting of six parasite species...
January 12, 2024: Journal of Helminthology
https://read.qxmd.com/read/38167587/morphological-and-molecular-characterization-of-plagiorchiid-trematodes-plagiorchis-plagiorchiidae-digenea-from-bats-with-redescription-of-plagiorchis-mordovii-shaldybin-1958
#16
JOURNAL ARTICLE
N Y Kirillova, A A Kirillov, S V Shchenkov, A E Knyazev, V A Vekhnik
Five Plagiorchis spp. parasitize bats in European Russia: Plagiorchis elegans , Plagiorchis koreanus , Plagiorchis mordovii , Plagiorchis muelleri , and Plagiorchis vespertilionis. Their identification is difficult due to a high morphological similarity. The morphological variability of these species is poorly studied. The taxonomic position of P. mordovii remains debatable. The purpose of our study was to analyse Plagiorchis spp. from European bats using a combination of morphological and molecular-phylogenetic approaches and to establish the taxonomic position of the problematic species P...
January 3, 2024: Journal of Helminthology
https://read.qxmd.com/read/38167343/a-new-species-of-versteria-cestoda-taeniidae-parasitizing-neogale-vison-and-lontra-canadensis-carnivora-mustelidae-from-western-canada
#17
JOURNAL ARTICLE
K M Shanebeck, J Bennett, S J Green, C Lagrue, B Presswell
Via molecular and morphological analyses, we describe adult specimens of a new species of Versteria (Cestoda: Taeniidae) infecting mink and river otter (Carnivora: Mustelidae) in Western Canada, as well as larval forms from muskrat and mink. These sequences closely matched those reported from adult specimens from Colorado and Oregon, as well as larval infections in humans and a captive orangutan. We describe here a new species from British Columbia and Alberta (Canada), Versteria rafei n. sp., based upon morphological diagnostic characteristics and genetic distance and phylogeny...
January 3, 2024: Journal of Helminthology
https://read.qxmd.com/read/38167304/a-new-species-of-urocleidoides-mizelle-price-1964-monogenea-dactylogyridae-parasite-of-hemiodus-orthonops-eigenmann-kennedy-1903-hemiodontidae-from-the-upper-paran%C3%A3-river-floodplain
#18
JOURNAL ARTICLE
W T Hasuike, B Scorsim, I S Arjona, S Bellay, A V de Oliveira, R M Takemoto
During the study of ectoparasites (Platyhelminthes) of fish in the floodplain of the Upper Paraná River - Brazil, a new species of Urocleidoides , present in the gill filaments of Hemiodus orthonops (Hemiodontidae), is described using morphological description and molecular data from the mitochondrial region of cytochrome c oxidase, subunit 1 ( COI ) and the partial region of the 28S rDNA gene. Urocleidoides luquei n. sp. differs from all its congeners by the presence of a filament that joins the accessory piece to the base of the male copulatory organ and resembles U...
January 3, 2024: Journal of Helminthology
https://read.qxmd.com/read/38167257/severe-decline-in-abundance-of-cyathostoma-lari-a-parasite-of-the-nasal-and-orbital-sinuses-of-gulls-at-their-central-european-nesting-grounds
#19
JOURNAL ARTICLE
P Heneberg, J Sitko, G Yakovleva, D Lebedeva
Cyathostoma lari is a parasite of the nasal and orbital sinuses of gulls and other hosts in Europe and Canada. Here, we provide an overview of previously published data on the prevalence and infection intensity of C. lari in gulls. Furthermore, based on our data, we analyze the spatiotemporal trends in the prevalence and intensity of infection by C. lari in Chroicocephalus ridibundus in Czechia (central Europe; data from 1964 to 2014) and compare them with those obtained from five species of gulls in Karelia (Northwest Russia; data from 2012-2020)...
January 3, 2024: Journal of Helminthology
https://read.qxmd.com/read/38167243/evaluation-of-the-antiparasitic-and-antifibrotic-effects-of-gallic-acid-on-experimental-hepatic-schistosomiasis-mansoni
#20
JOURNAL ARTICLE
S Sharaf-El-Deen, S Soliman, R Brakat
Schistosomiasis afflicts approximately 120 million individuals globally. The hepatic pathology that occurs due to egg-induced granuloma and fibrosis is commonly attributed to this condition. However, there is currently no efficacious treatment available for either of these conditions.Our study aimed to investigate the potential antifibrotic and antiparasitic properties of different doses of gallic acid (GA) in experimental schistosomiasis mansoni. In addition, we investigated the outcomes of co-administering it with the standard anti-schistosomiasis treatment, praziquantel (PZQ)...
January 3, 2024: Journal of Helminthology
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