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Parasitologia, Volume 5, Issue 4

December 2025 - 18 articles

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Articles (18)

  • Article
  • Open Access
601 Views
16 Pages

First Report of Isolapotamon sp. as a Potential Intermediate Host of Paragonimus westermani in Davao Oriental, Philippines

  • Diadem R. Ricarte,
  • Joshua M. Cambronero,
  • Carmela H. Lorico,
  • Herbert J. Santos,
  • Nestor S. Arce and
  • Aleyla E. de Cadiz

Paragonimus westermani is a food-borne zoonotic trematode transmitted to humans through the consumption of undercooked crustaceans. Freshwater crabs act as the second intermediate host for the encysted metacercariae stage. However, accurate identific...

  • Article
  • Open Access
145 Views
11 Pages

Isolation and Antiprotozoal Effects of Two Sesquiterpene Lactones from Ptilostemon chamaepeuce subsp. cyprius (Asteraceae)

  • Chad Schou,
  • Justus Wambua Mukavi,
  • Jandirk Sendker,
  • Vasiliki Christodoulou,
  • Monica Cal,
  • Pascal Mäser,
  • Panagiotis Karanis and
  • Thomas J. Schmidt

In continuation of our recent report on the antileishmanial activity of an ethanolic extract from leaves of Ptilostemon chamaepeuce subsp. cyprius (Pcc, Asteraceae), we have now isolated the main sesquiterpene lactone, deacylcynaropicrin, along with...

  • Communication
  • Open Access
179 Views
6 Pages

First Record of Helminth Parasitism in the Rodent (Dinomys branickii) in Brazil

  • Lizandra Fernandes-Silva,
  • Ana Paula Carvalho Gomes,
  • Maria Laura Mendes Morais,
  • Mell Mosqueira da Mota Borges,
  • Renan Mendes Pires Moreira,
  • Maitê Cardoso Coelho da Silva,
  • Maykko Antônyo Bravo de Paula,
  • Silvia Roberta Cieslak-Sanches,
  • Lucas de Souza Quevedo and
  • Ísis Assis Braga
  • + 4 authors

The pacarana (Dinomys branickii) is a typical rodent of the Amazonian biome crepuscular habits, feeding on fruits, leaves, and roots. However, studies on these animals, inhabiting behaviors, and their parasites are limited. This study aimed to report...

  • Article
  • Open Access
241 Views
9 Pages

Pathogen Surveillance of Haemaphysalis longicornis Ticks in Southern Pennsylvania, USA Using Targeted and Metatranscriptomic Screening

  • Julia Livengood,
  • Kelsey Young,
  • Candy Lint,
  • Nagaraja Thirumalapura,
  • Keith J. Price and
  • Deepanker Tewari

Haemaphysalis longicornis (Asian longhorned tick) is an invasive species recently established in the United States and a potential vector for pathogens. This study included 620 H. longicornis collected in southern Pennsylvania from 2022 to 2023 with...

  • Article
  • Open Access
798 Views
14 Pages

Spatial Analysis of Different Clinical Forms of Leishmaniasis in Honduras from 2009 to 2016

  • Wilfredo Sosa-Ochoa,
  • Silvia Argüello-Vargas,
  • Geannina Moraga-López,
  • César A. Ríos-Muñoz,
  • Concepción Zúñiga,
  • Orlinder Nicolas Zambrano,
  • Elisa Alcántara Henrriquez,
  • Carmen Maria Sandoval-Pacheco,
  • Gabriela Venicia Araujo-Flores and
  • Marcia Dalastra Laurenti

Leishmaniasis is a tropical and subtropical disease caused by protozoans of the genus Leishmania, primarily transmitted to humans through the bite of sandflies. This neglected disease poses a serious global health challenge due to its spectrum of cli...

  • Article
  • Open Access
406 Views
13 Pages

Incidence of Anaplasma phagocytophilum and Associated Co-Morbidities in Lambs Submitted for Postmortem Examination in Ireland

  • John M. Gilmore,
  • Shane Mc Gettrick,
  • Rebecca Fröhlich,
  • Ciara Mc Dermott,
  • Kieran Beirne,
  • Amalia Naranjo-Lucena,
  • Maresa Sheehan,
  • Seamus Fagan,
  • John F. Mee and
  • Timothy W. J. Keady
  • + 3 authors

Anaplasma phagocytophilum causes tick-borne fever (TBF) in ruminants and is considered the most widespread tick-borne pathogen in sheep in Europe. This study aimed to determine the contribution of TBF to lamb mortality in Ireland and to identify fact...

  • Article
  • Open Access
431 Views
55 Pages

The species composition and host–parasite associations of Gyrodactylus parasitising freshwater fishes in Bulgaria were re-examined based on the revision of museum specimens. Revised data are provided for 28 species. There are 22 species confirm...

  • Article
  • Open Access
415 Views
10 Pages

In Vitro Activity of Ethanolic Extract and Essential Oil of Achyrocline satureioides Against Larvae of the Tick Rhipicephalus sanguineus

  • Rafaela Regina Fantatto,
  • Flávio Augusto Sanches Politi,
  • Rodrigo Sorrechia and
  • Rosemeire Cristina Linhari Rodrigues Pietro

The tick Rhipicephalus sanguineus is the most prevalent ectoparasite in dogs, causing discomfort to the animals and acting as a vector for several pathogens, including the bacterium Ehrlichia canis and the protozoa Babesia canis, Babesia gibsoni, and...

  • Article
  • Open Access
629 Views
11 Pages

First Molecular Detection of the Poultry Pathogen Protozoan Histomonas meleagridis from Red Mite (Dermanyssus gallinae)

  • Patrícia Kóczán,
  • László Kovács,
  • Adrienn Örkényi,
  • Dorottya Kovács,
  • László Kőrösi and
  • Edit Eszterbauer

Our study reports the first molecular detection of the protozoan pathogen Histomonas meleagridis, the causative agent of histomonosis, in the poultry red mite Dermanyssus gallinae. Mite samples were collected from a commercial poultry farm and a back...

  • Article
  • Open Access
389 Views
12 Pages

Exploratory Toxicogenomic Analysis of Parasite-Related Th2 Immune Response

  • Marina Ziliotto,
  • José Artur Bogo Chies and
  • Joel Henrique Ellwanger

Helminth parasites infect mammalian hosts through complex life cycles, mostly triggering T helper type 2 (Th2) immune responses characterized by interleukin-4 (IL4), interleukin-5 (IL5), and interleukin-13 (IL13) production. Environmental chemical ex...

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Parasitologia - ISSN 2673-6772