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dc.contributor.authorMerino, Santiago-
dc.contributor.authorMartínez, Javier-
dc.contributor.authorBarbosa, Andrés-
dc.contributor.authorMøller, Anders Pape-
dc.contributor.authorLope, F. de-
dc.contributor.authorPérez, J.-
dc.contributor.authorRodríguez-Caabeiro, F.-
dc.identifier.citationOecologia (1998) 116:343-347en_US
dc.description.abstractHeat-shock proteins (HSPs) are synthesized by animals and plants in response to various stressors. The level of the HSP60 stress protein was measured from the cell fraction of peripheral blood obtained from nestling house martins (Delichon urbica) to test whether ectoparasitism increased the concentration of stress protein. We assessed HSP from nestlings raised in nests previously treated with an insecticide or infested with 50 martin bugs (Oeciacus hirundinis). In addition, haematozoa infections were checked in blood smears. Nestlings from parasite-infested nests, or nestlings infected with trypanosomes, had increased levels of HSP in their blood cells. Nestling growth as determined from wing length was negatively related to HSP60 levels and within-brood variation in wing length increased with increasing levels of the stress protein independently of treatment and infection by trypanosomes. These results suggest HSPs may play a role in host-parasite interactions, and that they can be used reliably for measuring physiological responses to parasites.en_US
dc.description.sponsorshipThis study was supported by grants from the Spanish Ministry of Education (S.M.), a Marie Curie grant of the European Community (A.B.), Danish Natural Sciences Research Council (A.P.M.), Spanish DGICYT project PB 95020 (F.d.L.) and Universidad de Alcala de Henares project EO31/97 (J.M., J.P. and F.R.-C.).en_US
dc.format.extent25088 bytes-
dc.subjectHeat-shock proteinen_US
dc.subjectMartin bugen_US
dc.subjectSedimentation rateen_US
dc.titleIncrease in a heat-shock protein from red blood cells in response of nestling house martins (Delichon urbica) to parasitism: an experimental approach.en_US
dc.description.peerreviewedPeer revieweden_US
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