Results 41 to 50 of about 1,276 (172)

Specific Gene Expression Responses to Parasite Genotypes Reveal Redundancy of Innate Immunity in Vertebrates [PDF]

open access: yes, 2014
Vertebrate innate immunity is the first line of defense against an invading pathogen and has long been assumed to be largely unspecific with respect to parasite/pathogen species.
A Conesa   +50 more
core   +9 more sources

Differences in susceptibility and immune responses of three-spined sticklebacks (Gasterosteus aculeatus) from lake and river ecotypes to sequential infections with the eye fluke Diplostomum pseudospathaceum [PDF]

open access: yes, 2014
BACKGROUND: The eye fluke Diplostomum pseudospathaceum is a frequent parasite of many fresh-water fish species, among those three-spined sticklebacks, particularly in lakes with lymnaeid snails, its first intermediate hosts.
Jörn Scharsack, Martin Kalbe
core   +1 more source

Exploring local immunological adaptation of two stickleback ecotypes by experimental infection and transcriptome-wide digital gene expression analysis [PDF]

open access: yes, 2012
Understanding the extent of local adaptation in natural populations and the mechanisms that allow individuals to adapt to their native environment is a major avenue in molecular ecology research. Evidence for the frequent occurrence of diverging ecotypes
Bell MA   +7 more
core   +1 more source

Phylogenetic position of Diplostomum spp. from New World herons based on complete mitogenomes, rDNA operons, and DNA barcodes, including a new species with partially elucidated life cycle

open access: yesParasitology Research, 2020
Diplostomum ardeae Dubois, 1969 has seldom been reported since its description from the great blue heron (Ardea herodias L., 1758) in the USA. Sequences obtained in this study from the barcode region of cytochrome c oxidase 1 (CO1) in diplostomids from black-crowned night heron (Nycticorax nycticorax (L., 1758)) in Puerto Rico matched data from D ...
Sean A. Locke   +4 more
openaire   +3 more sources

Global Warming Affects the Pathogenesis of Important Fish Diseases in European Aquaculture

open access: yesReviews in Aquaculture, Volume 18, Issue 1, January 2026.
The effect of global warming on pathogens and their fish hosts that could exacerbate the negative outcomes for aquaculture. Changes in farming practices and the development of innovative mitigation tools may prove essential to cope with the effects and impacts of rising water temperatures on fish diseases in Europe.
George Rigos   +7 more
wiley   +1 more source

Trophic segregation in multispecies community of salmonids in the Penzhina River lower course (Kamchatsky Krai, Russia)

open access: yesNature Conservation Research: Заповедная наука, 2019
Trophic relationships are presented for the juveniles of Coregonus sardinella, C. subautumnalis, C. pidschian, Prosopium cylindraceum, and Thymallus arcticus mertensii jointly inhabiting the Penzhina River lower reaches in summer.
Olesya Yu. Busarova   +3 more
doaj   +1 more source

Spatial and temporal variation in macroparasite communities of three-spined stickleback [PDF]

open access: yes, 2016
Patterns in parasite community structure are often observed in natural systems and an important question in parasite ecology is whether such patterns are repeatable across time and space.
ANDREW D. C. MACCOLL   +13 more
core   +2 more sources

How do parasites and predators choose their victim? A trade‐off between quality and vulnerability across antagonistic interactions

open access: yesBiological Reviews, Volume 100, Issue 5, Page 2099-2115, October 2025.
ABSTRACT From blood‐sucking lice and food‐stealing gulls to pandemic‐inducing viruses and egg‐eating snakes: parasites and predators are ubiquitous in shaping ecology and evolution. Fundamental to these interactions is the way in which parasites and predators choose their victim. Here, I argue that a trade‐off between host quality and vulnerability can
Mairenn C. Attwood
wiley   +1 more source

Sexual and age characteristics of the parasitofauna of Abramis brama (Cypriniformes, Cyprinidae) of the Lower Irtysh (Russia)

open access: yesBiosystems Diversity, 2019
In the present study, an evaluation was made of the dependence between infections by various types of parasites and the sex and age of the host. The parasitic community of Abramis brama includes 24 species of parasites.
E. L. Liberman
doaj   +1 more source

Vizsgálatok balatoni halfajokban élősködő mételyeken, valamint azok csigákban és kagylókban élő fejlődési stádiumain [PDF]

open access: yes, 2013
A mételyek (Trematoda osztály) Aspidogastrea és a Digenea alosztályai közül az utóbbi fajai a legjelentősebb humán és állati kórokozók közé tartoznak.
Sándor, Diána
core  

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