Results 41 to 50 of about 1,634 (176)

CO2-fixing enzymes and phosphoenolpyruvate metabolism in the fish parasite Hysterothylacium aduncum (Ascaridoidea, Anisakidae) [PDF]

open access: yesDiseases of Aquatic Organisms, 2009
CO2 stimulates the development of many of the intestinal helminths that are able to fix CO2 by means of phosphoenolpyruvate carboxykinase (PEPCK), such as Hysterothylacium aduncum. We determined the activity of CO2-fixing enzymes such as PEPCK and phosphoenolpyruvate carboxylase (PEPC), although no significant activity was detected for pyruvate ...
David, Malagón   +3 more
openaire   +2 more sources

Population genetic structure of the parasite Anisakis simplex (s. s.) collected in Clupea harengus L. from North East Atlantic fishing grounds [PDF]

open access: yes, 2017
The Atlantic herring is a schooling, pelagic species that inhabits both sides of the North Atlantic Ocean. Herring stock identification is usually based on several approaches, including fish meristic characters, population genetic analysis and the use ...
Bao, Miguel   +10 more
core   +1 more source

Dípteros muscóides como vetores mecânicos de ovos de helmintos em jardim zoológico, Brasil

open access: yesRevista de Saúde Pública, 2002
OBJETIVO: Verificar as espécies de dípteros muscóides capazes de veicular ovos e larvas de helmintos e avaliar o potencial de contaminação dos dípteros capturados.
Vanderleia Cristina de Oliveira   +2 more
doaj   +5 more sources

Gastrointestinal parasites among felids inhabiting the Serra dos Órgãos National Park, Rio de Janeiro, Brazil

open access: yesRevista Brasileira de Parasitologia Veterinária, 2018
This study aimed to investigate the species of felids that inhabit the Serra dos Órgãos National Park (Parnaso) and gastrointestinal parasites at various stages of their life cycles in the feces of these animals.
Laís Verdan Dib   +7 more
doaj   +1 more source

Pinworms of the red howler monkey (Alouatta seniculus) in Colombia. Gathering the pieces of the pinworm-primate puzzle [PDF]

open access: yes, 2020
Pinworms of primates are believed to be highly host specific parasites, forming co-evolutionary associations with their hosts. In order to assess the strength and reach of such evolutionary links, we need to have a broad understanding of the pinworm ...
Ospina, A. L.   +3 more
core   +1 more source

Baylisascaris procyonis Roundworm Seroprevalence among Wildlife Rehabilitators, United States and Canada, 2012–2015

open access: yesEmerging Infectious Diseases, 2016
Baylisascaris procyonis roundworms can cause potentially fatal neural larva migrans in many species, including humans. However, the clinical spectrum of baylisascariasis is not completely understood.
Sarah G.H. Sapp   +10 more
doaj   +1 more source

Comparative parasitism of the fish plagioscion squamosissimus in native and invated river basins. [PDF]

open access: yes, 2017
Biological invasions are considered a major threat to biodiversity around the world, but the role of parasites in this process is still little investigated.
LACERDA, A. C. F.   +4 more
core   +1 more source

“Begging the Question”—Does Toxocara Infection/Exposure Associate with Multiple Sclerosis-Risk?

open access: yesPathogens, 2020
Although the cause of multiple sclerosis (MS) is unclear, infectious agents, including some parasitic roundworms (nematodes), have been proposed as possible risk factors or contributors.
Ali Taghipour   +5 more
doaj   +1 more source

An update and ecological perspective on certain sentinel helminth endoparasites within the Mediterranean Sea

open access: yesParasitology, 2023
The Mediterranean Sea is recognized as a marine biodiversity hotspot. This enclosed basin is facing several anthropogenic-driven threats, such as seawater warming, pollution, overfishing, bycatch, intense maritime transport and invasion by alien species.
Marialetizia Palomba   +13 more
doaj   +1 more source

Population structure of anisakis simplex (nematoda) in harbor porpoises phocoena phocoena off Denmark [PDF]

open access: yes, 2004
The population structure and habitat selection of Anisakis simplex in 35 harbor porpoises off Denmark are described. The nematodes were collected from the stomach and duodenal ampulla and were categorized as third-stage larvae, fourth-stage larvae ...
Aznar   +31 more
core   +2 more sources

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