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Variation in immune defence in relation to age in the green-veined white butterfly (Pieris napi L.)
Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen.
Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen.ORCID-id: 0000-0001-7818-7045
Antal upphovsmän: 22012 (Engelska)Ingår i: Journal of Invertebrate Pathology, ISSN 0022-2011, E-ISSN 1096-0805, Vol. 111, nr 3, s. 252-254Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

We investigate how encapsulation ability varies with adult age in overwintering and in direct-developing animals (development without diapause) of the green-veined white butterfly, Pieris napi. Encapsulation is a resource costly trait coupled to the immune system and encapsulation ability is predicted to decrease with age, since the resource pool of important nutrients generally decreases with age in nectar feeding butterflies. The results support this prediction and both sexes showed an age dependent decrease in their encapsulation ability. There were no significant differences between the sexes but direct-developing males tended to have a steeper decrease than females and we hypothesize that this could be the result of low available resources, since this generation is time and nutrient stressed.

Ort, förlag, år, upplaga, sidor
2012. Vol. 111, nr 3, s. 252-254
Nyckelord [en]
Lepidoptera, Pieris napi, Immune defense, Encapsulation, Developmental pathway, Ageing
Nationell ämneskategori
Biologiska vetenskaper
Identifikatorer
URN: urn:nbn:se:su:diva-162390DOI: 10.1016/j.jip.2012.08.004ISI: 000310416800008PubMedID: 22903037OAI: oai:DiVA.org:su-162390DiVA, id: diva2:1288208
Tillgänglig från: 2019-02-12 Skapad: 2019-02-12 Senast uppdaterad: 2020-03-05Bibliografiskt granskad

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Karlsson, Bengt
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