Results 31 to 40 of about 20,389 (197)

Taxonomic distinctness and richness of helminth parasite assemblages of freshwater fishes in Mexican hydrological basins. [PDF]

open access: yesPLoS ONE, 2013
In this paper, we analyse the distributional patterns of adult helminth parasites of freshwater fishes with respect to the main hydrological basins of Mexico.
Benjamín Quiroz-Martínez   +1 more
doaj   +1 more source

Population genomics of helminth parasites

open access: yesJournal of Helminthology, 2023
Abstract Next generation sequencing technologies have facilitated a shift from a few targeted loci in population genetic studies to whole genome approaches. Here, we review the types of questions and inferences regarding the population biology and evolution of parasitic helminths being addressed within the field of population genomics.
C.S. Thorn   +4 more
openaire   +2 more sources

Fibrinolysis-unrelated functions of the plasminogen/plasmin system: A gateway to successful parasitism?

open access: yesCurrent Research in Parasitology and Vector-Borne Diseases
Parasites have evolved remarkable mechanisms to exploit host resources by subverting key physiological pathways to facilitate their survival and transmission.
Judit Serrat   +2 more
doaj   +1 more source

Variation and polymorphism in helminth parasites [PDF]

open access: yesParasitology, 2002
There are strong biological, evolutionary and immunological arguments for predicting extensive polymorphism among helminth parasites, but relatively little data and few instances from which the selective forces acting on parasite diversity can be discerned. The paucity of information on intraspecific variation stands in contrast to the fine detail with
Maizels, Rick, Kurniawan Atmadja, Agnes
openaire   +3 more sources

Serine Proteases of Parasitic Helminths

open access: yesThe Korean Journal of Parasitology, 2015
Serine proteases form one of the most important families of enzymes and perform significant functions in a broad range of biological processes, such as intra- and extracellular protein metabolism, digestion, blood coagulation, regulation of development, and fertilization.
Yang, Yong   +6 more
openaire   +2 more sources

Comparative Study on the Prevalence Rate of Helminth Infection in Domestic Pigeon (Columba livia domestica) and Brown Wild Pigeon (Spilopelia senegalensis) in Kano Metropolis

open access: yesUMYU Scientifica Journal
This study examined the incidence of endoparasitic helminths in domestic and wild pigeons in Kano State Metropolis.  A total of 144 pigeons (72 domestic and 72 wild) were examined for helminth parasites.
Zainab Nura Nabegu   +3 more
doaj   +1 more source

Binding and cleavage of pro-urokinase by a tegument extract of Fasciola hepatica newly excysted juveniles activate the host fibrinolytic system

open access: yesVeterinary Research
Plasmin, the final product of fibrinolysis, is a broad-spectrum serine protease that degrades extracellular matrix (ECM) components, a function exploited by multiple pathogens for dissemination purposes.
Judit Serrat   +4 more
doaj   +1 more source

Gastrointestinal Helminth Parasites of Heterotis Niloticus (Osteoglossiformes: Osteoglossidae) From Anambra River, Eastern Nigeria

open access: yesSultan Qaboos University Journal for Science
Fish diseases especially those caused by parasites are major problems confronting fish farmers globally. This study investigated the gastrointestinal helminth parasites of Heterotis niloticus (African Bony tongue fish) from the Anambra River basin over ...
Comfort Chidiogo Nwadike   +2 more
doaj   +1 more source

Food Contamination and Safety in Nigeria: A Systematic Synthesis of Heavy Metals, Microbial Pathogens, and Health Risk Metrics

open access: yesFood Safety and Health, EarlyView.
This is an infographic driver of food contaminants and health effects. ABSTRACT Food safety remains a critical challenge in Nigeria due to rapid urbanization and weak regulatory enforcement. This systematic review synthesizes empirical evidence from 2015 to 2025 to characterize food contaminant profiles and associated human health risks in Nigeria ...
Cecilia Nwadiuto Obasi   +6 more
wiley   +1 more source

Adaptive Immunity in Marsupials

open access: yesJournal of Experimental Zoology Part A: Ecological and Integrative Physiology, EarlyView.
Comparison of the marsupial and eutherian adaptive immune systems. ABSTRACT Marsupials diverged from eutherian mammals 125–160 million years ago. Although evolutionarily distinct, both groups of mammals can produce complex adaptive immune responses to antigens with several key differences.
Cassandra L. Jol   +2 more
wiley   +1 more source

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