oai-hal-hal-00086598v1
type: Dataset
description: Due to the close association between parasites and their hosts, many 'generalist' parasites have a high potential to become specialized on different host species. We investigated this hypothesis for a common ectoparasite of seabirds, the tick Ixodes uriae that is often found in mixed host sites. We examined patterns of neutral genetic variation between ticks collected from Black-legged kittiwakes (Rissa tridactyla) and Atlantic puffins (Fratercula arctica) in sympatry. To control for a potential distance effect, values were compared to differences among ticks from the same host in nearby monospecific sites. As predicted, there was higher genetic differentiation between ticks from different sympatric host species than between ticks from nearby allopatric populations of the same host species. Patterns suggesting isolation by distance were found among tick populations of each host group, but no such patterns existed between tick populations of different hosts. Overall, results suggest that host-related selection pressures have led to the specialization of I. uriae and that host race formation may be an important diversifying mechanism in parasites.
issued: 2026-05-09T14:50:41.395431
language: en
modified: 2026-05-09T14:50:41.395435
title: Full Article View/Print PDF article (281K) Download to citation manager Order Permissions Alert me when this article is cited | Atom | RSS (What is RSS?) -------------------------------------------------------------------------------- Journal of Evolutionary Biology Volume 14 Page 395 - May 2001 doi:10.1046/j.1420-9101.2001.00290.x Volume 14 Issue 3 Host specificity of a generalist parasite: genetic evidence of sympatric host races in the seabird tick Ixodes uriae
contact point: Organization
  fn: CCSD
keyword: coevolution
keyword: colonial-seabirds
keyword: host-specificity
keyword: hostparasite-interactions
keyword: infoeu-reposemanticsarticle
keyword: ixodes
keyword: journal-articles
keyword: microsatellites
keyword: sdvbidevolife-sciences-q-biobiodiversitypopulations-and-evolution-q-biope
keyword: sdvmplife-sciences-q-biomicrobiology-and-parasitology
keyword: speciation
landing page: 1010-061X

https://rec.harvest-normandie.data4citizen.com/dataset/oai-hal-hal-00086598v1/resource/f5062d93-61d2-4cbe-9498-44a388d2e753
type: Distribution
format: HTML
issued: 2026-05-09T14:50:41.400740
modified: 2026-05-09T14:50:41.384400
title: Full Article View/Print PDF article (281K) Download to citation manager Order Permissions Alert me when this article is cited | Atom | RSS (What is RSS?) -------------------------------------------------------------------------------- Journal of Evolutionary Biology Volume 14 Page 395 - May 2001 doi:10.1046/j.1420-9101.2001.00290.x Volume 14 Issue 3 Host specificity of a generalist parasite: genetic evidence of sympatric host races in the seabird tick Ixodes uriae
access URL: https://hal.science/hal-00086598

test_moissonnage_selune
type: Agent