Increased immune marker variance in a population of invasive birds

Abstract Immunity and parasites have been linked to the success of invasive species. Especially lower parasite burden in invasive populations has been suggested to enable a general downregulation of immune investment (Enemy Release and Evolution of Increased Competitive Ability Hypotheses). Simultan...

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Autores principales:	Hanna Prüter, Mathias Franz, Sönke Twietmeyer, Niklas Böhm, Gudrun Middendorff, Ruben Portas, Jörg Melzheimer, Holger Kolberg, Georg von Samson-Himmelstjerna, Alex D. Greenwood, Dörte Lüschow, Kristin Mühldorfer, Gábor Árpád Czirják
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/770afdfa7e36430b8b6c3c4b20d0f9bd
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spelling	oai:doaj.org-article:770afdfa7e36430b8b6c3c4b20d0f9bd2021-12-02T16:18:05ZIncreased immune marker variance in a population of invasive birds10.1038/s41598-020-78427-72045-2322https://doaj.org/article/770afdfa7e36430b8b6c3c4b20d0f9bd2020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-78427-7https://doaj.org/toc/2045-2322Abstract Immunity and parasites have been linked to the success of invasive species. Especially lower parasite burden in invasive populations has been suggested to enable a general downregulation of immune investment (Enemy Release and Evolution of Increased Competitive Ability Hypotheses). Simultaneously, keeping high immune competence towards potentially newly acquired parasites in the invasive range is essential to allow population growth. To investigate the variation of immune effectors of invasive species, we compared the mean and variance of multiple immune effectors in the context of parasite prevalence in an invasive and a native Egyptian goose (Alopochen aegyptiacus) population. Three of ten immune effectors measured showed higher variance in the invasive population. Mean levels were higher in the invasive population for three effectors but lower for eosinophil granulocytes. Parasite prevalence depended on the parasite taxa investigated. We suggest that variation of specific immune effectors, which may be important for invasion success, may lead to higher variance and enable invasive species to reduce the overall physiological cost of immunity while maintaining the ability to efficiently defend against novel parasites encountered.Hanna PrüterMathias FranzSönke TwietmeyerNiklas BöhmGudrun MiddendorffRuben PortasJörg MelzheimerHolger KolbergGeorg von Samson-HimmelstjernaAlex D. GreenwoodDörte LüschowKristin MühldorferGábor Árpád CzirjákNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-13 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hanna Prüter Mathias Franz Sönke Twietmeyer Niklas Böhm Gudrun Middendorff Ruben Portas Jörg Melzheimer Holger Kolberg Georg von Samson-Himmelstjerna Alex D. Greenwood Dörte Lüschow Kristin Mühldorfer Gábor Árpád Czirják Increased immune marker variance in a population of invasive birds
description	Abstract Immunity and parasites have been linked to the success of invasive species. Especially lower parasite burden in invasive populations has been suggested to enable a general downregulation of immune investment (Enemy Release and Evolution of Increased Competitive Ability Hypotheses). Simultaneously, keeping high immune competence towards potentially newly acquired parasites in the invasive range is essential to allow population growth. To investigate the variation of immune effectors of invasive species, we compared the mean and variance of multiple immune effectors in the context of parasite prevalence in an invasive and a native Egyptian goose (Alopochen aegyptiacus) population. Three of ten immune effectors measured showed higher variance in the invasive population. Mean levels were higher in the invasive population for three effectors but lower for eosinophil granulocytes. Parasite prevalence depended on the parasite taxa investigated. We suggest that variation of specific immune effectors, which may be important for invasion success, may lead to higher variance and enable invasive species to reduce the overall physiological cost of immunity while maintaining the ability to efficiently defend against novel parasites encountered.
format	article
author	Hanna Prüter Mathias Franz Sönke Twietmeyer Niklas Böhm Gudrun Middendorff Ruben Portas Jörg Melzheimer Holger Kolberg Georg von Samson-Himmelstjerna Alex D. Greenwood Dörte Lüschow Kristin Mühldorfer Gábor Árpád Czirják
author_facet	Hanna Prüter Mathias Franz Sönke Twietmeyer Niklas Böhm Gudrun Middendorff Ruben Portas Jörg Melzheimer Holger Kolberg Georg von Samson-Himmelstjerna Alex D. Greenwood Dörte Lüschow Kristin Mühldorfer Gábor Árpád Czirják
author_sort	Hanna Prüter
title	Increased immune marker variance in a population of invasive birds
title_short	Increased immune marker variance in a population of invasive birds
title_full	Increased immune marker variance in a population of invasive birds
title_fullStr	Increased immune marker variance in a population of invasive birds
title_full_unstemmed	Increased immune marker variance in a population of invasive birds
title_sort	increased immune marker variance in a population of invasive birds
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/770afdfa7e36430b8b6c3c4b20d0f9bd
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Increased immune marker variance in a population of invasive birds

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