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Prato A, Fernando Santos E, Mendes Ferreira H, Akemi Oi C, Santos do Nascimento F, Rantala MJ, Krams I, Rodrigues de Souza A. Immune response in paper wasp workers: Task matters more than age. J Insect Physiol 2024; 154:104629. [PMID: 38430966 DOI: 10.1016/j.jinsphys.2024.104629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 02/01/2024] [Accepted: 02/27/2024] [Indexed: 03/05/2024]
Abstract
Workers of social hymenopterans (ants, bees and wasps) display specific tasks depending on whether they are younger or older. The relative importance of behavior and age in modulating immune function has seldom been addressed. We compared the strength of encapsulation-melanization immune response (hereafter melanotic encapsulation) in paper wasps displaying age polyethism or experimentally prevented from behavioral specialization. Foragers of Polybia paulista had higher melanotic encapsulation than guards, regardless of their age. Nevertheless, melanotic encapsulation decreased with age when wasps were prevented from behavioral specialization. Thus, in this species, worker melanotic encapsulation seems more sensitive to task than age. Foraging is considered one of the riskier behaviors in terms of pathogen exposure, so upregulating melanotic encapsulation in foragers can possibly improve both individual and colony-level resistance against infections.
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Affiliation(s)
- Amanda Prato
- Departamento de Biologia, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, São Paulo, Brasil.
| | - Eduardo Fernando Santos
- Departamento de Zoologia e Botânica, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista "Júlio de Mesquita Filho", São José do Rio Preto, Brasil
| | | | - Cintia Akemi Oi
- Laboratory of Socioecology and Social Evolution, KU Leuven, Leuven, Belgium; Center for Biodiversity and Environmental Research, Department of Genetics and Evolution, UCL, London, United Kingdom
| | - Fábio Santos do Nascimento
- Departamento de Biologia, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, São Paulo, Brasil
| | | | - Indrikis Krams
- Department of Biotechnology, Daugavpils University, Latvia; Department of Zoology and Animal Ecology, Faculty of Biology, University of Latvia, Latvia; Institute of Ecology and Earth Sciences, University of Tartu, Estonia
| | - André Rodrigues de Souza
- Departamento de Biologia, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, São Paulo, Brasil
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2
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Beauchamp G, Krams I. Flock size increases with the diversity and abundance of local predators in an avian family. Oecologia 2023:10.1007/s00442-023-05425-7. [PMID: 37493857 DOI: 10.1007/s00442-023-05425-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 07/17/2023] [Indexed: 07/27/2023]
Abstract
Group living has long been viewed as an adaptation to reduce predation risk. Earlier comparative analyses provided support for the hypothesis but typically ignored variation in group size at the local scale and included proxies of predation risk rather than more direct estimates. Here, we related variation in group size at the scale of a study site in various species with the diversity and abundance of local predators. If larger groups provide protection against predators, we expected larger groups to evolve in species facing locally more diverse and abundant predators. We examined this hypothesis in one avian family, the Paridae, which are small arboreal birds that include some of the better studied species in ecology. From the literature, we gathered 275 flock size estimates from 34 species. In a phylogenetic framework and controlling for the potential confounding effect of latitude, we found that flock size increased with predation risk but only in flocks that included more than one species. We suggest that competition sets an upper limit to the size of flocks including conspecifics only. Joining flocks with other species, thus, allows individuals to increase flock size in response to higher predation risk without a substantial increase in competition. Overall, our results based on more direct estimates of predation risk provide further comparative evidence for an association between predation and the evolution of flocking in birds.
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Affiliation(s)
| | - Indrikis Krams
- Department of Biotechnology, Daugavpils University, Daugavpils, 5404, Latvia
- Department of Zoology and Animal Ecology, Faculty of Biology, University of Latvia, Riga, 1004, Latvia
- Institute of Ecology and Earth Sciences, University of Tartu, 50409, Tartu, Estonia
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3
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Krama T, Bahhir D, Ots L, Popovs S, Bartkevičs V, Pugajeva I, Krams R, Merivee E, Must A, Rantala MJ, Krams I, Jõers P. A diabetes-like biochemical and behavioural phenotype of Drosophila induced by predator stress. Proc Biol Sci 2023; 290:20230442. [PMID: 37403506 DOI: 10.1098/rspb.2023.0442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/06/2023] Open
Abstract
Predation can have both lethal and non-lethal effects on prey. The non-lethal effects of predation can instil changes in prey life history, behaviour, morphology and physiology, causing adaptive evolution. The chronic stress caused by sustained predation on prey is comparable to chronic stress conditions in humans. Conditions like anxiety, depression, and post-traumatic stress syndrome have also been implicated in the development of metabolic disorders such as obesity and diabetes. In this study, we found that predator stress induced during larval development in fruit flies Drosophila melanogaster impairs carbohydrate metabolism by systemic inhibition of Akt protein kinase, which is a central regulator of glucose uptake. However, Drosophila grown with predators survived better under direct spider predation in the adult phase. Administration of metformin and 5-hydroxytryptophan (5-HTP), a precursor of the neurotransmitter serotonin, reversed these effects. Our results demonstrate a direct link between predator stress and metabolic impairment, suggesting that a diabetes-like biochemical phenotype may be adaptive in terms of survival and reproductive success. We provide a novel animal model to explore the mechanisms responsible for the onset of these metabolic disorders, which are highly prevalent in human populations.
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Affiliation(s)
- Tatjana Krama
- Department of Biotechnology, Daugavpils University, 5401 Daugavpils, Latvia
- Chair of Plant Health, Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, 51014 Tartu, Estonia
| | - Diana Bahhir
- Institute of Molecular and Cell Biology, University of Tartu, EE-51010, Tartu, Estonia
| | - Liina Ots
- Institute of Molecular and Cell Biology, University of Tartu, EE-51010, Tartu, Estonia
| | - Sergejs Popovs
- Department of Biotechnology, Daugavpils University, 5401 Daugavpils, Latvia
| | - Vadims Bartkevičs
- Institute of Food Safety, Animal Health and Environment 'BIOR', Riga 1076, Latvia
| | - Iveta Pugajeva
- Institute of Food Safety, Animal Health and Environment 'BIOR', Riga 1076, Latvia
| | - Ronalds Krams
- Department of Biotechnology, Daugavpils University, 5401 Daugavpils, Latvia
- Chair of Plant Health, Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, 51014 Tartu, Estonia
| | - Enno Merivee
- Chair of Plant Health, Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, 51014 Tartu, Estonia
| | - Anne Must
- Chair of Plant Health, Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, 51014 Tartu, Estonia
| | - Markus J Rantala
- Department of Biology & Turku Brain and Mind Centre, University of Turku, 20014 Turku, Finland
| | - Indrikis Krams
- Department of Biotechnology, Daugavpils University, 5401 Daugavpils, Latvia
- Department of Zoology and Animal Ecology, Faculty of Biology, University of Latvia, Riga 1004, Latvia
- Institute of Ecology and Earth Sciences, University of Tartu, 51010 Tartu, Estonia
- Latvian Biomedical Research and Study Centre, Riga 1067, Latvia
| | - Priit Jõers
- Institute of Molecular and Cell Biology, University of Tartu, EE-51010, Tartu, Estonia
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4
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Nadal-Jimenez P, Frost CL, Cláudia Norte A, Garrido-Bautista J, Wilkes TE, Connell R, Rice A, Krams I, Eeva T, Christe P, Moreno-Rueda G, Hurst GDD. The son-killer microbe Arsenophonus nasoniae is a widespread associate of the parasitic wasp Nasonia vitripennis in Europe. J Invertebr Pathol 2023:107947. [PMID: 37285901 DOI: 10.1016/j.jip.2023.107947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/20/2023] [Accepted: 05/25/2023] [Indexed: 06/09/2023]
Abstract
Heritable microbes that exhibit reproductive parasitism are common in insects. One class of these are the male-killing bacteria, which are found in a broad range of insect hosts. Commonly, our knowledge of the incidence of these microbes is based on one or a few sampling sites, and the degree and causes of spatial variation are unclear. In this paper, we examine the incidence of the son-killer microbe Arsenophonus nasoniae across European populations of its wasp host, Nasonia vitripennis. In preliminary work, we noticed two female N. vitripennis producing highly female biased sex ratios in a field study from the Netherlands and Germany. When tested, the brood from Germany was revealed to be infected with A. nasoniae. We then completed a broad survey in 2012, in which fly pupal hosts of N. vitripennis were collected from vacated birds' nests from four European populations, N. vitripennis wasps allowed to emerge and then tested for A. nasoniae presence through PCR assay. We then developed a new screening methodology based on direct PCR assays of fly pupae and applied this to ethanol-preserved material collected from great tit (Parus major) nests in Portugal. These data show A. nasoniae is found widely in European N. vitripennis, being present in Germany, the UK, Finland, Switzerland and Portugal. Samples varied in the frequency with which they carry A. nasoniae, from being rare to being present in 50% of the pupae parasitised by N. vitripennis. Direct screening of ethanol-preserved fly pupae was an effective method for revealing both wasp and A. nasoniae infection, and will facilitate sample transport across national boundaries. Future research should examine the causes of variation in frequency, in particular testing the hypothesis that N. vitripennis superparasitism rates drive the variation in A. nasoniae frequency through providing opportunities for infectious transmission.
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Affiliation(s)
- Pol Nadal-Jimenez
- Institute for Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L69 7ZB, United Kingdom
| | - Crystal L Frost
- Institute for Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L69 7ZB, United Kingdom
| | - Ana Cláudia Norte
- University of Coimbra, Marine and Environmental Sciences Centre, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | | | - Timothy E Wilkes
- Institute for Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L69 7ZB, United Kingdom
| | - Rowan Connell
- Institute for Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L69 7ZB, United Kingdom
| | - Annabel Rice
- Institute for Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L69 7ZB, United Kingdom
| | - Indrikis Krams
- Department of Biotechnology, Daugavpils University, Daugavpils 5404, Latvia; Department of Zoology and Animal Ecology, Faculty of Biology, University of Latvia, Riga 1004, Latvia; Institute of Ecology and Earth Sciences, University of Tartu, Tartu 50409, Estonia; Latvian Biomedical Research and Study Centre, Riga 1067, Latvia
| | - Tapio Eeva
- Department of Biology, University of Turku, FI-20014 Turku, Finland
| | - Phillipe Christe
- Department of Ecology and Evolution, University of Lausanne, Biophore - CH-1015 Lausanne, Switzerland
| | - Gregorio Moreno-Rueda
- Department of Zoology, Faculty of Sciences, University of Granada, 18071 Granada, Spain
| | - Gregory D D Hurst
- Institute for Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L69 7ZB, United Kingdom.
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5
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Halupka L, Arlt D, Tolvanen J, Millon A, Bize P, Adamík P, Albert P, Arendt WJ, Artemyev AV, Baglione V, Bańbura J, Bańbura M, Barba E, Barrett RT, Becker PH, Belskii E, Bolton M, Bowers EK, Bried J, Brouwer L, Bukacińska M, Bukaciński D, Bulluck L, Carstens KF, Catry I, Charter M, Chernomorets A, Covas R, Czuchra M, Dearborn DC, de Lope F, Di Giacomo AS, Dombrovski VC, Drummond H, Dunn MJ, Eeva T, Emmerson LM, Espmark Y, Fargallo JA, Gashkov SI, Golubova EY, Griesser M, Harris MP, Hoover JP, Jagiełło Z, Karell P, Kloskowski J, Koenig WD, Kolunen H, Korczak-Abshire M, Korpimäki E, Krams I, Krist M, Krüger SC, Kuranov BD, Lambin X, Lombardo MP, Lyakhov A, Marzal A, Møller AP, Neves VC, Nielsen JT, Numerov A, Orłowska B, Oro D, Öst M, Phillips RA, Pietiäinen H, Polo V, Porkert J, Potti J, Pöysä H, Printemps T, Prop J, Quillfeldt P, Ramos JA, Ravussin PA, Rosenfield RN, Roulin A, Rubenstein DR, Samusenko IE, Saunders DA, Schaub M, Senar JC, Sergio F, Solonen T, Solovyeva DV, Stępniewski J, Thompson PM, Tobolka M, Török J, van de Pol M, Vernooij L, Visser ME, Westneat DF, Wheelwright NT, Wiącek J, Wiebe KL, Wood AG, Wuczyński A, Wysocki D, Zárybnická M, Margalida A, Halupka K. The effect of climate change on avian offspring production: A global meta-analysis. Proc Natl Acad Sci U S A 2023; 120:e2208389120. [PMID: 37126701 PMCID: PMC10175715 DOI: 10.1073/pnas.2208389120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023] Open
Abstract
Climate change affects timing of reproduction in many bird species, but few studies have investigated its influence on annual reproductive output. Here, we assess changes in the annual production of young by female breeders in 201 populations of 104 bird species (N = 745,962 clutches) covering all continents between 1970 and 2019. Overall, average offspring production has declined in recent decades, but considerable differences were found among species and populations. A total of 56.7% of populations showed a declining trend in offspring production (significant in 17.4%), whereas 43.3% exhibited an increase (significant in 10.4%). The results show that climatic changes affect offspring production through compounded effects on ecological and life history traits of species. Migratory and larger-bodied species experienced reduced offspring production with increasing temperatures during the chick-rearing period, whereas smaller-bodied, sedentary species tended to produce more offspring. Likewise, multi-brooded species showed increased breeding success with increasing temperatures, whereas rising temperatures were unrelated to reproductive success in single-brooded species. Our study suggests that rapid declines in size of bird populations reported by many studies from different parts of the world are driven only to a small degree by changes in the production of young.
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Affiliation(s)
- Lucyna Halupka
- Ornithological Station, Faculty of Biological Sciences, University of Wrocław, Wrocław 50-335, Poland
| | - Debora Arlt
- Department of Ecology, Swedish University of Agricultural Sciences, Uppsala SE-750 07, Sweden
- SLU Swedish Species Information Centre, Swedish University of Agricultural Sciences, Uppsala SE-750 07, Sweden
| | - Jere Tolvanen
- Department of Ecology and Genetics, University of Oulu, Oulu 90014, Finland
| | - Alexandre Millon
- Aix Marseille University, University of Avignon, Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Développement (IRD), Institut Méditerranéen Biodiversité & Ecologie (IMBE), Aix-en-Provence 13545, France
- Groupe d'Etudes et de Protection des Busards (GepB), Beurville 52110, France
| | - Pierre Bize
- Swiss Ornithological Institute, Sempach CH-6204, Switzerland
| | - Peter Adamík
- Department of Zoology, Faculty of Science, Palacky University, Olomouc 771 46, Czech Republic
- Museum of Natural History, Olomouc 771 73, Czech Republic
| | | | - Wayne J Arendt
- USDA Forest Service, International Institute of Tropical Forestry, Sabana Field Research Station, Luquillo 00773, PR
| | - Alexander V Artemyev
- Department of Zoology, Institute of Biology, Karelian Research Center, Russian Academy of Sciences, Petrozavodsk 185910, Russia
| | - Vittorio Baglione
- Departamento de Biodiversidad y Gestión Ambiental, Universidad de León, León 24071, Spain
| | - Jerzy Bańbura
- Department of Experimental Zoology and Evolutionary Biology, Faculty of Biology, University of Łódź, Łódź 90-237, Poland
| | - Mirosława Bańbura
- Department of Experimental Zoology and Evolutionary Biology, Faculty of Biology, University of Łódź, Łódź 90-237, Poland
| | - Emilio Barba
- "Cavanilles" Institute of Biodiversity and Evolutionary Biology, University of Valencia, Valencia E46080, Spain
| | - Robert T Barrett
- Department of Natural Sciences, Tromsø University Museum, Tromsø NO-9037, Norway
| | - Peter H Becker
- Institute of Avian Research "Vogelwarte Helgoland", head office Wilhelmshaven, Wilhelmshaven 26386, Germany
| | - Eugen Belskii
- Institute of Plant and Animal Ecology, Ural Branch, Russian Academy of Sciences, Yekaterinburg 620144, Russia
| | - Mark Bolton
- Centre for Conservation Science, Royal Society for the Protection of Birds, Aberdeen AB10 1YP, UK
| | - E Keith Bowers
- Department of Biological Sciences, Edward J. Meeman Biological Station, and Center for Biodiversity Research, University of Memphis, Memphis TN 38152
| | - Joël Bried
- Institute of Marine Sciences - OKEANOS, University of the Azores, Horta 9901-862, Portugal
- Private address, 64200 Biarritz, France
| | - Lyanne Brouwer
- Department of Zoology & Ecology, College of Science and Engineering, James Cook University, Townsville, QLD 4811, Australia
- Division of Ecology & Evolution Research, School of Biology, The Australian National University, Canberra, ACT 2601, Australia
| | - Monika Bukacińska
- Department of Environmental Conservation, Institute of Biological Sciences, Cardinal Stefan Wyszyński University of Warsaw, Warsaw 01-938, Poland
| | - Dariusz Bukaciński
- Department of Environmental Conservation, Institute of Biological Sciences, Cardinal Stefan Wyszyński University of Warsaw, Warsaw 01-938, Poland
| | - Lesley Bulluck
- Department of Biology and Center for Environmental Studies, Virginia Commonwealth University, Richmond, VA 23284
| | - Kate F Carstens
- FitzPatrick Institute of African Ornithology, University of Cape Town, Rondebosch 7701, South Africa
| | - Inês Catry
- Research Centre in Biodiversity and Genetic Resources (CIBIO) / Research Network in Biodiversity and Evolutionary Biology (InBIO), Laboratório Associado, Universidade do Porto, Vairăo 4485-601, Portugal
- Research Centre in Biodiversity and Genetic Resources (CIBIO) / Research Network in Biodiversity and Evolutionary Biology (InBIO), Laboratório Associado, Instituto Superior de Agronomia, Universidade de Lisboa, Lisbon 1349-017, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, Research Centre in Biodiversity and Genetic Resources (CIBIO), Vairăo 4485-661, Portugal
| | - Motti Charter
- Shamir Research Institute and Department of Geography and Environmental Studies, University of Haifa, Haifa 3498838, Israel
| | - Anna Chernomorets
- Laboratory of Ornithology, Scientific and Practical Center for Biological Resources of National Academy of Sciences of Belarus, Minsk 220072, Belarus
| | - Rita Covas
- FitzPatrick Institute of African Ornithology, University of Cape Town, Rondebosch 7701, South Africa
- Research Centre in Biodiversity and Genetic Resources (CIBIO) / Research Network in Biodiversity and Evolutionary Biology (InBIO), Laboratório Associado, Universidade do Porto, Vairăo 4485-601, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, Research Centre in Biodiversity and Genetic Resources (CIBIO), Vairăo 4485-661, Portugal
| | - Monika Czuchra
- Department of Behavioural Ecology, Faculty of Biological Sciences, University of Wrocław, Wrocław 50-335, Poland
| | - Donald C Dearborn
- Biology Department, Bates College, Lewiston, ME 04240
- Division of Organisms and Environment, School of Biosciences, Cardiff University, Cardiff CF10 3AX, UK
| | - Florentino de Lope
- Department of Anatomy, Cellular Biology and Zoology, University of Extremadura, Badajoz E-506071, Spain
| | - Adrián S Di Giacomo
- Laboratorio de Biología de la Conservación, Centro de Ecología Aplicada del Litoral, Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Corrientes 3400, Argentina
| | - Valery C Dombrovski
- Laboratory of Molecular Zoology, National Academy of Sciences, Minsk 220072, Belarus
| | - Hugh Drummond
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico
| | - Michael J Dunn
- British Antarctic Survey, Natural Environment Research Council, Cambridge CB3 0ET, UK
| | - Tapio Eeva
- Department of Biology, University of Turku, Turku 20014, Finland
| | - Louise M Emmerson
- Australian Antarctic Division, Department of Agriculture, Water and the Environment, 7050 Kingston TAS, Australia
| | - Yngve Espmark
- Department of Biology, Norwegian University of Science and Technology, Trondheim 7491, Norway
| | - Juan A Fargallo
- Department of Evolutionary Ecology, Museo Nacional de Ciencias Naturales, Consejo Superior de Investigaciones Científicas (CSIC), Madrid 28006, Spain
| | - Sergey I Gashkov
- Departament of Museum Technologies, Zoology Museum, Tomsk State University, Tomsk 634050, Russia
| | - Elena Yu Golubova
- Institute of Biological Problems of the North, Far Eastern Branch, Russian Academy of Sciences, Magadan 685000, Russia
| | - Michael Griesser
- Department of Biology, University of Konstanz, Konstanz 78457, Germany
- Center for the Advanced Study of Collective Behaviour, University of Konstanz, Konstanz 78457, Germany
- Department of Collective Behavior, Max Planck Institute of Animal Behavior, Konstanz 78457, Germany
| | | | - Jeffrey P Hoover
- Illinois Natural History Survey, Prairie Research Institute, University of Illinois, Urbana-Champaign, IL 61820
| | - Zuzanna Jagiełło
- Institute of Zoology, Poznań University of Life Sciences, Poznań 60-625, Poland
| | - Patrik Karell
- Bioeconomy Research Team, Novia University of Applied Sciences, Raseborg FI-10600, Finland
- Evolutionary Ecology Unit, Department of Biology, Lund University, Lund SE-223 62, Sweden
| | - Janusz Kloskowski
- Institute of Zoology, Poznań University of Life Sciences, Poznań 60-625, Poland
| | - Walter D Koenig
- Hastings Reservation, University of California Berkeley, Carmel Valley, CA 93924
- Cornell Lab of Ornithology, Cornell University, Ithaca, NY 14850
| | | | | | - Erkki Korpimäki
- Department of Biology, University of Turku, Turku 20014, Finland
| | - Indrikis Krams
- Department of Zoology and Animal Ecology, Faculty of Biology, University of Latvia, Riga 1004, Latvia
- Department of Biotechnology, Daugavpils University, Daugavpils 5401, Latvia
- Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, Tartu 51010, Estonia
| | - Miloš Krist
- Department of Zoology, Faculty of Science, Palacky University, Olomouc 771 46, Czech Republic
- Museum of Natural History, Olomouc 771 73, Czech Republic
| | - Sonja C Krüger
- Conservation Services Division, Ezemvelo KwaZulu-Natal Wildlife, Cascades 3202, South Africa
- School of Life Sciences, Centre for Functional Biodiversity University of KwaZulu-Natal, Pietermaritzburg 3201, South Africa
| | - Boris D Kuranov
- Department of Vertebrate Zoology and Ecology, Tomsk State University, Tomsk 634050, Russia
| | - Xavier Lambin
- School of Biological Sciences, University of Aberdeen, Aberdeen AB24 2TZ, UK
| | - Michael P Lombardo
- Biology Department, Grand Valley State University, Allendale, MI 49401-9403
| | - Andrey Lyakhov
- Institute of Plant and Animal Ecology, Ural Branch, Russian Academy of Sciences, Yekaterinburg 620144, Russia
| | - Alfonso Marzal
- Department of Anatomy, Cellular Biology and Zoology, University of Extremadura, Badajoz E-506071, Spain
| | - Anders P Møller
- Ecologie Systématique Evolution, Centre National de la Recherche Scientifique (CNRS), Université Paris-Saclay, Gif-sur-Yvette 91190, France
| | - Verónica C Neves
- Institute of Marine Sciences - OKEANOS, University of the Azores, Horta 9901-862, Portugal
| | | | - Alexander Numerov
- Department of Zoology and Parasitology, Voronezh State University, Voronezh 394006, Russia
| | - Beata Orłowska
- Ornithological Station, Faculty of Biological Sciences, University of Wrocław, Wrocław 50-335, Poland
| | - Daniel Oro
- Theoretical and Computation Ecology Lab, Centre d'Estudis Acançats de Blanes (CEAB), Consejo Superior de Investigaciones Científicas, Blanes 17300, Spain
| | - Markus Öst
- Environmental and Marine Biology, Åbo Akademi University, Turku 20500, Finland
- Novia University of Applied Sciences, Raseborg FI-10600, Finland
| | - Richard A Phillips
- British Antarctic Survey, Natural Environment Research Council, Cambridge CB3 0ET, UK
| | - Hannu Pietiäinen
- Department of Biosciences, University of Helsinki, Helsinki FI-00014, Finland
| | - Vicente Polo
- Department of Biology and Geology, Universidad Rey Juan Carlos, Móstoles 28933, Spain
| | | | - Jaime Potti
- Estación Biológica de Dońana - CSIC, Consejo Superior de Investigaciones Científicas (CSIC), Seville 41092, Spain
| | - Hannu Pöysä
- Department of Environmental and Biological Sciences, University of Eastern Finland, Joensuu FI-80101, Finland
| | - Thierry Printemps
- Groupe d'Etudes et de Protection des Busards (GepB), Beurville 52110, France
| | - Jouke Prop
- Arctic Centre, University of Groningen, Groningen 9718CW, the Netherlands
| | - Petra Quillfeldt
- Department of Animal Ecology and Systematics, Justus Liebig University, Giessen 35392, Germany
| | - Jaime A Ramos
- Department of Life Sciences, Marine and Environmental Sciences Centre (MARE), University of Coimbra, Coimbra 3000-456, Portugal
| | | | - Robert N Rosenfield
- Department of Biology, University of Wisconsin-Stevens Point, Stevens Point, WI 54481
| | - Alexandre Roulin
- Department of Ecology and Evolution, University of Lausanne, Lausanne CH-1015, Switzerland
| | - Dustin R Rubenstein
- Department of Ecology, Evolution and Environmental Biology, Columbia University, New York, NY 10027
| | - Irina E Samusenko
- Laboratory of Ornithology, Scientific and Practical Center for Biological Resources of National Academy of Sciences of Belarus, Minsk 220072, Belarus
| | | | - Michael Schaub
- School of Biological Sciences, University of Aberdeen, Aberdeen AB24 2TZ, UK
- Division of Conservation Biology, Institute of Ecology and Evolution, University of Bern, Bern CH-3012, Switzerland
| | - Juan C Senar
- Departament de Vertebrats, Museu de Ciències Naturals de Barcelona, Barcelona 08003, Spain
| | - Fabrizio Sergio
- Estación Biológica de Dońana - CSIC, Consejo Superior de Investigaciones Científicas (CSIC), Seville 41092, Spain
| | - Tapio Solonen
- Luontotutkimus Solonen Oy, Helsinki FI-00960, Finland
| | - Diana V Solovyeva
- Institute of Biological Problems of the North, Far Eastern Branch, Russian Academy of Sciences, Magadan 685000, Russia
| | - Janusz Stępniewski
- Panurus Monitoringi Inwentaryzacje Opinie Przyrodnicze, Osieczna 64-113, Poland
| | - Paul M Thompson
- School of Biological Sciences, Lighthouse Field Station, University of Aberdeen, Cromarty IV11 8YL, UK
| | - Marcin Tobolka
- Institute of Zoology, Poznań University of Life Sciences, Poznań 60-625, Poland
- Konrad Lorenz Institute of Ethology, University of Veterinary Medicine, Vienna 1160, Austria
| | - János Török
- Department of Systematic Zoology and Ecology, Behavioural Ecology Group, ELTE Eötvös Loránd University, Budapest H-1117, Hungary
- Integrative Ecology Research Group, Eötvös Loránd Research Network - Eötvös Loránd University - The Hungarian Natural History Museum, Budapest H-1117, Hungary
| | - Martijn van de Pol
- Department of Animal Ecology, Netherlands Institute of Ecology, Wageningen 6708PB, the Netherlands
- Department of Physical Sciences, College of Science and Engineering, James Cook University, Townsville, QLD 4811, Australia
| | - Louis Vernooij
- Department of Animal Ecology, Netherlands Institute of Ecology, Wageningen 6708PB, the Netherlands
| | - Marcel E Visser
- Department of Animal Ecology, Netherlands Institute of Ecology, Wageningen 6708PB, the Netherlands
| | - David F Westneat
- Department of Biology, University of Kentucky, Lexington, KY 40506-0225
| | | | - Jarosław Wiącek
- Department of Zoology and Nature Protection, Institute of Biological Sciences, Maria Curie-Skłodowska University, Lublin 20-033, Poland
| | - Karen L Wiebe
- Department of Biology, University of Saskatchewan, Saskatoon S7N 5E2, Canada
| | - Andrew G Wood
- British Antarctic Survey, Natural Environment Research Council, Cambridge CB3 0ET, UK
| | - Andrzej Wuczyński
- Institute of Nature Conservation, Polish Academy of Sciences, Kraków 31-120, Poland
| | - Dariusz Wysocki
- Department of Vertebrate Zoology and Anthropology, Szczecin University, Szczecin 71-415, Poland
| | - Markéta Zárybnická
- Department of Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Prague 16521, Czech Republic
| | - Antoni Margalida
- Institute for Game and Wildlife Research, IREC (CSIC-UCLM-JCCM), Ciudad Real E- 13005, Spain
- Pyrenean Institute of Ecology, Consejo Superior de Investigaciones Científicas (CSIC), Jaca 22700, Spain
| | - Konrad Halupka
- Department of Behavioural Ecology, Faculty of Biological Sciences, University of Wrocław, Wrocław 50-335, Poland
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6
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Amaro-Sánchez T, Ruiz-Guzmán G, Hernández-Martínez S, Krams I, Rantala MJ, Contreras-Garduño J. Effect of juvenile hormone on phenoloxidase and hemocyte number: The role of age, sex, and immune challenge. Comp Biochem Physiol B Biochem Mol Biol 2023; 265:110827. [PMID: 36610635 DOI: 10.1016/j.cbpb.2023.110827] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 01/02/2023] [Accepted: 01/03/2023] [Indexed: 01/06/2023]
Abstract
Hormones are key factors in determining the response of organisms to their environment. For example, the juvenile hormone (JH) coordinates the insects' development, reproduction, and survival. However, it is still unclear how the impact of juvenile hormone on insect immunity varies depending on the sex and reproductive state of the individual, as well as the type of the immune challenge (i.e., Gram-positive or Gram-negative bacteria). We used Tenebrio molitor and methoprene, a JH analog (JHa) to explore these relationships. We tested the effect of methoprene on phenoloxidase activity (PO), an important component of humoral immunity in insects, and hemocyte number. Lyophilized Gram-positive Staphylococcus aureus or Gram-negative Escherichia coli were injected for the immune challenge. The results suggest that JH did not affect the proPO, PO activity, or hemocyte number of larvae. JH and immune challenge affected the immune response and consequently, affected adult developmental stage and sex. We propose that the influence of JH on the immune response depends on age, sex, the immune response parameter, and the immune challenge, which may explain the contrasting results about the role of JH in the insect immune response.
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Affiliation(s)
- Tania Amaro-Sánchez
- Departamento de Biología, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Campus Guanajuato, Noria Alta s/n, Colonia Noria Alta, 36050 Guanajuato, Mexico
| | - Gloria Ruiz-Guzmán
- Escuela Nacional de Estudios Superiores, Unidad Morelia, Universidad Nacional Autónoma de México, Antigua Carretera a Pátzcuaro No.8701, Col. Ex-Hacienda San José de la Huerta, 58190 Morelia, Michoacán, Mexico
| | - Salvador Hernández-Martínez
- Centro de Investigaciones sobre Enfermedades Infecciosas, Instituto Nacional de Salud Pública, 62300 Cuernavaca, Morelos, Mexico
| | - Indrikis Krams
- Institute of Ecology and Earth Sciences, University of Tartu, Vanemuise 46, 51014 Tartu, Estonia; Department of Biotechnology, Daugavpils University, Daugavpils 5401, Latvia; Department of Zoology and Animal Ecology, Faculty of Biology, University of Latvia, Riga 1004, Latvia
| | - Markus J Rantala
- Department of Biology & Turku Brain and Mind Center, University of Turku, Turku, Finland
| | - Jorge Contreras-Garduño
- Escuela Nacional de Estudios Superiores, Unidad Morelia, Universidad Nacional Autónoma de México, Antigua Carretera a Pátzcuaro No.8701, Col. Ex-Hacienda San José de la Huerta, 58190 Morelia, Michoacán, Mexico.
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7
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Burciaga RA, Ruiz-Guzmán G, Lanz-Mendoza H, Krams I, Contreras-Garduño J. The honey bees immune memory. Dev Comp Immunol 2023; 138:104528. [PMID: 36067906 DOI: 10.1016/j.dci.2022.104528] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 04/13/2022] [Accepted: 08/29/2022] [Indexed: 06/15/2023]
Abstract
Invertebrates' immune priming or innate immune memory is an analogous response to the vertebrates' adaptive memory. We investigated if honey bees have immune memory. We compared survival and immune response between bees that were: 1) manipulated (Naïve), 2) challenged twice with the same pathogen Escherichia coli (Memory), 3) challenged twice with different pathogens (Staphylococcus aureus versus E. coli, Micrococcus lysodeikticus versus E. coli), or 4) with PBS (the diluent of bacteria) versus E. coli (heterologous challenge; Control). Results indicate better survival in the Memory than the Control group, and the Memory group showed a similar survival than Naïve insects. The Memory group had higher lytic activity but lower prophenoloxidase, phenoloxidase activity, and hemocyte count than the Control and Naïve groups. No differences were found in relative expression of defensin-1. This first demonstration of immune memory opens the questions about its molecular mechanisms and whether, immune memory could be used against natural parasites that affect honey bees, hence, if they could be "vaccinated" against some natural parasites.
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Affiliation(s)
- Rodrigo Aarón Burciaga
- ENES, Unidad Morelia, UNAM. Antigua Carretera a Pátzcuaro, No.8701. Col. Ex-Hacienda San José de la Huerta Código, 58190, Morelia, Michoacán, Mexico
| | - Gloria Ruiz-Guzmán
- ENES, Unidad Morelia, UNAM. Antigua Carretera a Pátzcuaro, No.8701. Col. Ex-Hacienda San José de la Huerta Código, 58190, Morelia, Michoacán, Mexico
| | | | - Indrikis Krams
- Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia; Department of Biotechnology, Daugavpils University, Daugavpils, Latvia; Department of Zoology and Animal Ecology, University of Latvia, Riga, Latvia
| | - Jorge Contreras-Garduño
- ENES, Unidad Morelia, UNAM. Antigua Carretera a Pátzcuaro, No.8701. Col. Ex-Hacienda San José de la Huerta Código, 58190, Morelia, Michoacán, Mexico.
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8
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Rantala MJ, Luoto S, Borráz-León JI, Krams I. Schizophrenia: the new etiological synthesis. Neurosci Biobehav Rev 2022; 142:104894. [PMID: 36181926 DOI: 10.1016/j.neubiorev.2022.104894] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 08/25/2022] [Accepted: 09/25/2022] [Indexed: 10/31/2022]
Abstract
Schizophrenia has been an evolutionary paradox: it has high heritability, but it is associated with decreased reproductive success. The causal genetic variants underlying schizophrenia are thought to be under weak negative selection. To unravel this paradox, many evolutionary explanations have been suggested for schizophrenia. We critically discuss the constellation of evolutionary hypotheses for schizophrenia, highlighting the lack of empirical support for most existing evolutionary hypotheses-with the exception of the relatively well supported evolutionary mismatch hypothesis. It posits that evolutionarily novel features of contemporary environments, such as chronic stress, low-grade systemic inflammation, and gut dysbiosis, increase susceptibility to schizophrenia. Environmental factors such as microbial infections (e.g., Toxoplasma gondii) can better predict the onset of schizophrenia than polygenic risk scores. However, researchers have not been able to explain why only a small minority of infected people develop schizophrenia. The new etiological synthesis of schizophrenia indicates that an interaction between host genotype, microbe infection, and chronic stress causes schizophrenia, with neuroinflammation and gut dysbiosis mediating this etiological pathway. Instead of just alleviating symptoms with drugs, the parasite x genotype x stress model emphasizes that schizophrenia treatment should focus on detecting and treating possible underlying microbial infection(s), neuroinflammation, gut dysbiosis, and chronic stress.
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Affiliation(s)
- Markus J Rantala
- Department of Biology, University of Turku, FIN-20014 Turku, Finland.
| | - Severi Luoto
- School of Population Health, University of Auckland, 1023 Auckland, New Zealand
| | | | - Indrikis Krams
- Institute of Ecology and Earth Sciences, University of Tartu, 51014 Tartu, Estonia; Department of Zoology and Animal Ecology, Faculty of Biology, University of Latvia, 1004, Rīga, Latvia
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9
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Luoto S, Prokosch ML, Varella MAC, Krams I, Fincher CL. Editorial: Coronavirus Disease (COVID-19) and Its Psychobehavioral Consequences. Front Psychol 2021; 12:723282. [PMID: 34322074 PMCID: PMC8311116 DOI: 10.3389/fpsyg.2021.723282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 06/21/2021] [Indexed: 11/13/2022] Open
Affiliation(s)
- Severi Luoto
- School of Population Health, University of Auckland, Auckland, New Zealand
| | - Marjorie L Prokosch
- Florida Institute of Built Environment Resilience, University of Florida, Gainesville, FL, United States
| | | | - Indrikis Krams
- Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia.,Department of Zoology and Animal Ecology, Faculty of Biology, University of Latvia, Riga, Latvia.,Department of Biotechnology, Daugavpils University, Daugavpils, Latvia
| | - Corey L Fincher
- Department of Psychology, University of Warwick, Coventry, United Kingdom
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10
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Lara-Reyes N, Jiménez-Cortés JG, Canales-Lazcano J, Franco B, Krams I, Contreras-Garduño J. Insect Immune Evasion by Dauer and Nondauer Entomopathogenic Nematodes. J Parasitol 2021; 107:115-124. [DOI: 10.1645/20-61] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Affiliation(s)
- Nancy Lara-Reyes
- Departamento de Biología, Universidad de Guanajuato, 36050, Guanajuato, Guanajuato, México
| | - J. Guillermo Jiménez-Cortés
- Laboratorio de Biología de Parásitos, Facultad de Medicina, Universidad Nacional Autónoma de México, 04510. México City, México
| | - Jorge Canales-Lazcano
- Escuela Nacional de Estudios Superiores, Universidad Nacional Autónoma de México, 58190, Morelia, México
| | - Bernardo Franco
- Departamento de Biología, Universidad de Guanajuato, 36050, Guanajuato, Guanajuato, México
| | - Indrikis Krams
- Department of Zoology and Animal Ecology, Faculty of Biology, University of Latvia, Riga, 1004, Latvia
| | - Jorge Contreras-Garduño
- Escuela Nacional de Estudios Superiores, Universidad Nacional Autónoma de México, 58190, Morelia, México
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11
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Borráz-León JI, Rantala MJ, Luoto S, Krams I, Contreras-Garduño J, Cerda-Molina AL, Krama T. Toxoplasma gondii and Psychopathology: Latent Infection Is Associated with Interpersonal Sensitivity, Psychoticism, and Higher Testosterone Levels in Men, but Not in Women. Adaptive Human Behavior and Physiology 2021. [DOI: 10.1007/s40750-020-00160-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Abstract
Objective
The ability of parasites to hijack the nervous system, manipulating the host’s physiology and behavior in ways that enhance the parasite’s fitness while damaging host fitness, is a topic of ongoing research interest in evolutionary biology, but is largely overlooked in mental health research. Nevertheless, recent evidence has shown that Toxoplasma gondii infection can change host testosterone levels and influence the development of some psychiatric disorders. Here, we tested this hypothesis in a mixed sample of 213 non-clinical subjects.
Methods
Participants (nmales = 108, nfemales = 105) provided 5 ml of blood to quantify testosterone levels and Toxoplasma gondii antibodies. The Symptom Checklist-90-Revised was used to assess psychopathological symptoms.
Results
The results showed that Toxoplasma-infected men had higher testosterone levels and scored higher in Interpersonal Sensitivity and Psychoticism symptoms than non-infected men. Toxoplasma-infected women did not differ from control women.
Conclusions
Framed in an evolutionary framework, the findings suggest that the elevated testosterone levels and the expression of psychopathological symptoms can be seen as the result of the manipulation exerted by Toxoplasma gondii either to reach its definitive host or to increase its spread. Future research can benefit from integrating insights from evolutionary biology and parasite-host interactions with physiology, immunology, and mental health to develop a better understanding of mental health etiology.
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12
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Hakkarainen TJ, Krams I, Coetzee V, Skrinda I, Kecko S, Krama T, Ilonen J, Rantala MJ. MHC Class II Heterozygosity Associated With Attractiveness of Men and Women. Evol Psychol 2021; 19:1474704921991994. [PMID: 33715474 PMCID: PMC10303478 DOI: 10.1177/1474704921991994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 01/05/2021] [Indexed: 11/15/2022] Open
Abstract
The genes of the Major Histocompatibility Complex (MHC), which plays a fundamental role in the immune system, are some of the most diverse genes in vertebrates and have been connected to mate choice in several species, including humans. While studies suggest a positive relationship between MHC diversity and male facial attractiveness, the connection of MHC diversity to other visual traits and female attractiveness is still unclear. The purpose of this study was to investigate further whether MHC heterozygosity, indicating genetic quality, is associated with visual traits affecting mate preferences in humans. In total 74 Latvian men and 49 women were genotyped for several MHC loci and rated for facial and, in men, also body attractiveness. The results indicate a preference for MHC heterozygous female and male faces. However, the initially positive relationship between MHC heterozygosity and facial attractiveness becomes non-significant in females, when controlling for multiple testing, and in males, when age and fat content is taken into account, referring to the importance of adiposity in immune function and thus also attractiveness. Thus overall the effect of MHC heterozygosity on attractiveness seems weak. When considering separate loci, we show that the main gene related to facial attractiveness is the MHC class II DQB1; a gene important also in viral infections and autoimmune diseases. Indeed, in our study, heterozygous individuals are rated significantly more attractive than their homozygous counterparts, only in relation to gene DQB1. This study is the first to indicate a link between DQB1 and attractiveness in humans.
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Affiliation(s)
| | - Indrikis Krams
- Department of Biology, Section of Ecology, University of Turku, Finland
- Institute of Ecology and Earth Sciences,
University of Tartu, Estonia
- Institute of Life Sciences and Technologies, Daugavpils University, Latvia
- Department of Zoology and Animal Ecology,
Faculty of Biology, University of Latvia, Rīga, Latvia
| | - Vinet Coetzee
- Department of Genetics, 56410University of
Pretoria, Hatfield, South Africa
| | - Ilona Skrinda
- Department of Biology, Section of Ecology, University of Turku, Finland
- Daugavpils Regional Hospital, Daugavpils,
Latvia
| | - Sanita Kecko
- Institute of Life Sciences and Technologies, Daugavpils University, Latvia
| | - Tatjana Krama
- Institute of Ecology and Earth Sciences,
University of Tartu, Estonia
- Institute of Life Sciences and Technologies, Daugavpils University, Latvia
| | - Jorma Ilonen
- Immunogenetics Laboratory, Institute of
Biomedicine, University of Turku, Finland
- Clinical Microbiology, Turku University
Hospital, Finland
| | - Markus J. Rantala
- Department of Biology, Section of Ecology, University of Turku, Finland
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13
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Ruiz‐Guzmán G, Cordero‐Molina S, Krams I, Contreras‐Garduño J. Interactions between oxidative stress and attractiveness to mates and individual mate choice in the beetle
Tenebrio molitor. Ethology 2020. [DOI: 10.1111/eth.13108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Gloria Ruiz‐Guzmán
- Laboratorio de Ecología Evolutiva Escuela Nacional de Estudios Superiores Universidad Nacional Autónoma de México Ciudad de México México
| | - Sagrario Cordero‐Molina
- Laboratorio de Ecología Evolutiva Escuela Nacional de Estudios Superiores Universidad Nacional Autónoma de México Ciudad de México México
| | - Indrikis Krams
- Institute of Ecology and Earth Sciences University of Tartu Tartu Estonia
- Department of Zoology and Animal Ecology Faculty of Biology University of Latvia Rīga Latvia
- Latvian Biomedical Research and Study Centre Rīga Latvia
| | - Jorge Contreras‐Garduño
- Laboratorio de Ecología Evolutiva Escuela Nacional de Estudios Superiores Universidad Nacional Autónoma de México Ciudad de México México
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14
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Møller AP, Balbontín J, Dhondt AA, Adriaensen F, Artemyev A, Bańbura J, Barba E, Biard C, Blondel J, Bouvier J, Camprodon J, Cecere F, Charter M, Cichoń M, Cusimano C, Dubiec A, Doligez B, Eens M, Eeva T, Ferns PN, Forsman JT, Goldshtein A, Goodenough AE, Gosler AG, Gustafsson L, Harnist I, Hartley IR, Heeb P, Hinsley SA, Jacob S, Järvinen A, Juškaitis R, Korpimäki E, Krams I, Laaksonen T, Leclercq B, Lehikoinen E, Loukola O, Mainwaring MC, Mänd R, Massa B, Matthysen E, Mazgajski TD, Merino S, Mitrus C, Mönkkönen M, Nager RG, Nilsson J, Nilsson SG, Norte AC, von Numers M, Orell M, Pimentel CS, Pinxten R, Priedniece I, Remeš V, Richner H, Robles H, Rytkönen S, Senar JC, Seppänen JT, da Silva LP, Slagsvold T, Solonen T, Sorace A, Stenning MJ, Török J, Tryjanowski P, van Noordwijk AJ, Walankiewicz W, Lambrechts MM. Interaction of climate change with effects of conspecific and heterospecific density on reproduction. OIKOS 2020. [DOI: 10.1111/oik.07305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Anders Pape Møller
- Ecologie Systematique Evolution, CNRS, AgroParisTech, Univ. Paris-Saclay Orsay Cedex France
- Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, College of Life Sciences, Beijing Normal Univ. Beijing PR China
| | | | | | | | - Alexandr Artemyev
- Inst. of Biology of the Karelian Research Centre, Russian Academy of Sciences (IB KRC RAS) Russia
| | - Jerzy Bańbura
- Dept of Experimental Zoology and Evolutionary Biology, Univ. of Łodź Łodź Poland
| | - Emilio Barba
- Terrestrial Vertebrates Research Unit ‘Cavanilles’, Inst. of Biodiversity and Evolutionary Biology, Univ. of Valencia Paterna Spain
| | - Clotilde Biard
- Sorbonne Univ., UPEC, Paris 7, CNRS, INRA, IRD, Inst. d'Écologie et des Sciences de l'Environnement de Paris, iEES Paris Paris France
| | - Jacques Blondel
- Centre d'Ecologie Fonctionnelle et Evolutive, CEFE UMR 5175 Montpellier France
| | | | - Jordi Camprodon
- Àrea de Biodiversitat, Grup de Biologia de la Conservació, Centre Tecnològic Forestal de Catalunya Solsona Spain
| | | | - Motti Charter
- Shamir Research Institute and Dept of Evolutionary and Environmental Biology, Univ. of Haifa Haifa Israel
| | - Mariusz Cichoń
- Jagiellonian Univ., Inst. of Environmental Sciences Krakow Poland
| | | | - Anna Dubiec
- CNRS, Dept of Biometry and Evolutionary Biology, Univ. de Lyon Villeurbanne France
| | - Blandine Doligez
- Museum and Inst. of Zoology, Polish Academy of Sciences Warsaw Poland
| | - Marcel Eens
- Dept of Biology, Univ. of Antwerp Antwerp Belgium
| | - Tapio Eeva
- Dept of Biology, Univ. of Turku Turku Finland
| | - Peter N. Ferns
- Cardiff Univ., School of Biosciences, Cardiff S Glam Wales
| | | | | | - Anne E. Goodenough
- Dept of Natural and Social Sciences, Univ. of Gloucestershire Cheltenham UK
| | - Andrew G. Gosler
- Dept of Zoology, Edward Grey Inst. of Field Ornithology and Inst. of Human Sciences Oxford UK
| | - Lars Gustafsson
- Dept of Ecology and Genetics/Animal Ecology, Evolutionary Biology Centre, Uppsala Univ. Uppsala Sweden
| | - Iga Harnist
- Museum and Inst. of Zoology, Polish Academy of Sciences Warsaw Poland
| | - Ian R. Hartley
- Lancaster Environment Centre, Lancaster Univ. Lancaster UK
| | - Philipp Heeb
- Laboratoire Évolution & Diversité Biologique, UPS Toulouse III Toulouse France
| | | | - Staffan Jacob
- Station d'Ecologie Théorique et Expérimentale Moulis France
| | | | | | | | - Indrikis Krams
- Univ. Tartu, Inst. of Ecology and Earth Sciences Tartu Estonia
| | | | | | | | - Olli Loukola
- Dept of Ecology and Genetics, Univ. of Oulu Finland
| | | | - Raivo Mänd
- Univ. Tartu, Inst. of Ecology and Earth Sciences Tartu Estonia
| | | | | | | | - Santiago Merino
- CSIC, Depto de Ecología Evolutiva Museo Nacional de Ciencias Naturales, Agencia Estatal Consejo Superior de Investigaciones Científicas CSIC Madrid Spain
| | - Cezary Mitrus
- Dept of Vertebrate Ecology and Palaeontology, Wrocław Univ. of Environmental and Life Sciences Wrocław Poland
| | - Mikko Mönkkönen
- Univ. of Jyväskylä, Dept of Biological and Environmental Sciences, Univ. of Jyväskylä Finland
| | - Ruedi G. Nager
- Inst. of Biodiversity, Animal Health and Comparative Medicine, Univ. of Glasgow Glasgow UK
| | | | | | - Ana C. Norte
- MARE – Marine and Environmental Sciences Centre, Dept of Life Sciences, Univ. of Coimbra Coimbra Portugal
| | | | - Markku Orell
- Dept of Ecology and Genetics, Univ. of Oulu Finland
| | - Carla S. Pimentel
- Centro de Estudos Florestais, Instituto Superior de Agronomia, Univ. of Lisbon Lisbon Portugal
| | - Rianne Pinxten
- Behavioural Ecology and Ecophysiology Research Group, Dept of Biology, Wilrijk and Faculty of Social Sciences, Research Unit Didactica, Univ. of Antwerp Antwerp Belgium
| | | | - Vladimir Remeš
- Laboratory of Ornithology, Dept of Zoology, Palacky Univ. Olomouc Czech Republic
| | - Heinz Richner
- Univ. of Bern, Inst. of Ecology and Evolution (IEE) Bern Switzerland
| | - Hugo Robles
- Evolutionary Ecology Group (GIBE), Falculty of Sciences, Univ. of A Coruña A Coruña Spain
- Evolutionary Ecology Group (EVECO), Dept of Biology, Univ. of Antwerp Antwerp Belgium
| | | | - Juan Carlos Senar
- Unidad de Ecología Evolutiva y de la Conducta, Museu de Ciències Naturals de Barcelona Barcelona Spain
| | - Janne T. Seppänen
- Univ. of Jyväskylä, Dept of Biological and Environmental Sciences, Univ. of Jyväskylä Finland
| | - Luís P. da Silva
- CIBIO-InBIO, Research Center in Biodiversity and Genetic Resources, Univ. of Porto Vairão Portugal
| | | | | | | | | | - János Török
- Dept of Systematic Zoology and Ecology, ELTE Eötvös Lorand Univ. Budapest Hungary
| | | | | | | | - Marcel M. Lambrechts
- Centre d'Ecologie Fonctionnelle et Evolutive, CEFE UMR 5175, Campus CNRS Montpellier France
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Abstract
We explored relationships between male mortality and the sex ratio. (We tested relationships across 142 societies and in longitudinal data from Scotland. A male-biased sex ratio was associated with reduced mortality by intentional self-harm across 142 societies. This was replicated in longitudinal Scottish data, and men were less likely to die by suicide and assault when there were more men in the population only when levels of unemployment were low. We argue that this is consistent with a theoretical model in which men increase investment in relationships and offspring as "competition" under a male-biased sex ratio, and that the conflicting results of previous work may stem from divergent effects of the sex ratio on mortality depending upon relative deprivation.
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16
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Kangassalo K, Sorvari J, Nousiainen I, Pölkki M, Valtonen TM, Krams I, Rantala MJ. Intra- and Trans-Generational Phenotypic Responses of the Greater Wax Moth, Galleria mellonella, to a Low-Nutrition Larval Diet. ANN ZOOL FENN 2020. [DOI: 10.5735/086.057.0111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Katariina Kangassalo
- Department of Biology, Section of Ecology, FI-20014 University of Turku, Finland
| | - Jouni Sorvari
- Department of Environmental and Biological Sciences, University of Eastern Finland, FI-70211 Kuopio, Finland
| | - Ilkka Nousiainen
- Department of Aquaculture, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, EE-51014 Tartu, Estonia
| | - Mari Pölkki
- Department of Biology, Section of Ecology, FI-20014 University of Turku, Finland
| | - Terhi M. Valtonen
- Department of Biology, Section of Ecology, FI-20014 University of Turku, Finland
| | - Indrikis Krams
- Latvian Biomedical Research and Study Center, Rātsupītes iela 1, LV-1067 Rīga, Latvia
| | - Markus J. Rantala
- Department of Biology, Section of Ecology, FI-20014 University of Turku, Finland
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17
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Juárez-Hernández E, Villalobos-Jiménez G, Gutierrez-Corona JF, Krams I, González-Soriano E, Contreras-Garduño J. Hidden Costs in the Physiology of Argia anceps (Zigoptera: Coenagrionidae) due to Pollution. Neotrop Entomol 2020; 49:227-233. [PMID: 31849022 DOI: 10.1007/s13744-019-00737-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Accepted: 11/04/2019] [Indexed: 06/10/2023]
Abstract
Before a population becomes extinct, there are hidden costs in the physiology at the individual level that provide valuable insights into their condition. Here, we study two dams with one species in common (Argia anceps Garrison, 1996) to evaluate whether their physiological condition differed (total protein quantity, prophenoloxidase (proPO) and phenoloxidase (PO) activity, and protein carbonylation) during two consecutive years. The first dam, "El Gallinero" (contaminated, C), contains organic input from mines and agricultural activity, whereas the second, "Paso de Vaqueros" (non-contaminated, NC), is part of a biosphere reserve. Although at a phenological level, some physiological differences were observed (2012 vs 2013), individuals from the contaminated population had less total protein (2012, median = 1.815 μg/μL; 2013, 0.081 μg/μL) and more carbonylations in their proteins (2012, median = 19.00 nmol/mg; 2013, median = 121.69 nmol/mg) compared with the non-contaminated population (protein quantity in 2012, median = 3.716 μg/μL; 2013, median = 0.054 μg/μL; protein carbonylations in 2012, median = 0.00 nmol/mg; 2013, median = 99.44 nmol/mg). However, no significant differences were found in prophenoloxidase (C, median = 0.002 Vmax; NC, median = 0.002 Vmax) and phenoloxidase activity (C, median = 0.002 Vmax; NC, median = 0.001 Vmax). In addition, the biological oxygen demand (BOD) and Zn were more elevated in the C than NC population (C, BOD = 11.7, Zn = 0.17; NC, BOD = 8, Zn = 0.14). The results show that the impact of human activity can be observed not only through the extinction of species, but also at the physiological level of the individuals composing the populations through the evaluation of biomolecular damage, which can be observed at a much shorter scale compared with species extinction.
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Affiliation(s)
- E Juárez-Hernández
- Depto de Biología, División de Ciencias Naturales y Exactas, Univ de Guanajuato, Guanajuato, Mexico
| | | | - J F Gutierrez-Corona
- Depto de Biología, División de Ciencias Naturales y Exactas, Univ de Guanajuato, Guanajuato, Mexico
| | - I Krams
- Institute of Ecology and Earth Sciences, Univ of Tartu, Tartu, Estonia
- Dept of Zoology and Animal Ecology, Univ of Latvia, Riga, Latvia
| | | | - J Contreras-Garduño
- ENES, unidad Morelia, UNAM, Antigua Carretera a Pátzcuaro No.8701. Col. Ex-Hacienda San José de la Huerta Código, 58190, Morelia, Mexico.
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18
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Goodale E, Sridhar H, Sieving KE, Bangal P, Colorado Z GJ, Farine DR, Heymann EW, Jones HH, Krams I, Martínez AE, Montaño-Centellas F, Muñoz J, Srinivasan U, Theo A, Shanker K. Mixed company: a framework for understanding the composition and organization of mixed-species animal groups. Biol Rev Camb Philos Soc 2020; 95:889-910. [PMID: 32097520 PMCID: PMC7383667 DOI: 10.1111/brv.12591] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 02/02/2020] [Accepted: 02/06/2020] [Indexed: 12/19/2022]
Abstract
Mixed-species animal groups (MSGs) are widely acknowledged to increase predator avoidance and foraging efficiency, among other benefits, and thereby increase participants' fitness. Diversity in MSG composition ranges from two to 70 species of very similar or completely different phenotypes. Yet consistency in organization is also observable in that one or a few species usually have disproportionate importance for MSG formation and/or maintenance. We propose a two-dimensional framework for understanding this diversity and consistency, concentrating on the types of interactions possible between two individuals, usually of different species. One axis represents the similarity of benefit types traded between the individuals, while the second axis expresses asymmetry in the relative amount of benefits/costs accrued. Considering benefit types, one extreme represents the case of single-species groups wherein all individuals obtain the same supplementary, group-size-related benefits, and the other extreme comprises associations of very different, but complementary species (e.g. one partner creates access to food while the other provides vigilance). The relevance of social information and the matching of activities (e.g. speed of movement) are highest for relationships on the supplementary side of this axis, but so is competition; relationships between species will occur at points along this gradient where the benefits outweigh the costs. Considering benefit amounts given or received, extreme asymmetry occurs when one species is exclusively a benefit provider and the other a benefit user. Within this parameter space, some MSG systems are constrained to one kind of interaction, such as shoals of fish of similar species or leader-follower interactions in fish and other taxa. Other MSGs, such as terrestrial bird flocks, can simultaneously include a variety of supplementary and complementary interactions. We review the benefits that species obtain across the diversity of MSG types, and argue that the degree and nature of asymmetry between benefit providers and users should be measured and not just assumed. We then discuss evolutionary shifts in MSG types, focusing on drivers towards similarity in group composition, and selection on benefit providers to enhance the benefits they can receive from other species. Finally, we conclude by considering how individual and collective behaviour in MSGs may influence both the structure and processes of communities.
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Affiliation(s)
- Eben Goodale
- Guangxi Key Laboratory for Forest Ecology and Conservation, College of Forestry, Guangxi University, Nanning, Guangxi, 530004, China
| | - Hari Sridhar
- Centre for Ecological Sciences, Indian Institute of Science, Bengaluru, Karnataka, 560012, India.,National Centre for Biological Sciences, Tata Institute of Fundamental Research, Bangalore, Karnataka, 560012, India
| | - Kathryn E Sieving
- Department of Wildlife Ecology and Conservation, University of Florida, Gainesville, FL, 32611, U.S.A
| | - Priti Bangal
- Centre for Ecological Sciences, Indian Institute of Science, Bengaluru, Karnataka, 560012, India
| | - Gabriel J Colorado Z
- Departamento de Ciencias Forestales, Universidad Nacional de Colombia, Medellín, 050034, Colombia
| | - Damien R Farine
- Department of Collective Behavior, Max Planck Institute of Animal Behavior, Universitätsstrasse 10, D-78464, Konstanz, Germany.,Centre for the Advanced Study of Collective Behaviour, University of Konstanz, D-78464, Konstanz, Germany.,Department of Biology, University of Konstanz, D-78464, Konstanz, Germany
| | - Eckhard W Heymann
- Deutsches Primatenzentrum, Leibniz-Institut für Primatenforschung, D-37077, Göttingen, Germany
| | - Harrison H Jones
- Department of Biology, University of Florida, Gainesville, FL, 32611, U.S.A.,Florida Museum of Natural History, Gainesville, FL, 32611, U.S.A
| | - Indrikis Krams
- Institute of Ecology and Earth Sciences, University of Tartu, Tartu, 51410, Estonia.,Department of Zoology and Animal Ecology, Faculty of Biology, University of Latvia, Rīga, 1004, Latvia
| | - Ari E Martínez
- Department of Biological Sciences, California State University, Long Beach, CA, 90840, U.S.A
| | - Flavia Montaño-Centellas
- Department of Wildlife Ecology and Conservation, University of Florida, Gainesville, FL, 32611, U.S.A.,Instituto de Ecologia, Universidad Mayor de San Andres, La Paz, 10077, Bolivia
| | - Jenny Muñoz
- Zoology Department and Biodiversity Research Center, University of British Columbia, Vancouver, BC, V6T 1ZA, Canada
| | - Umesh Srinivasan
- Woodrow Wilson School of Public and International Affairs, Princeton University, Princeton, NJ, 08540, U.S.A
| | - Anne Theo
- Centre for Ecological Sciences, Indian Institute of Science, Bengaluru, Karnataka, 560012, India
| | - Kartik Shanker
- Centre for Ecological Sciences, Indian Institute of Science, Bengaluru, Karnataka, 560012, India.,Dakshin Foundation, Bengaluru, 560092, India
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19
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Abstract
Eating disorders are evolutionarily novel conditions. They lead to some of the highest mortality rates of all psychiatric disorders. Several evolutionary hypotheses have been proposed for eating disorders, but only the intrasexual competition hypothesis is extensively supported by evidence. We present the mismatch hypothesis as a necessary extension to the current theoretical framework of eating disorders. This hypothesis explains the evolutionarily novel adaptive metaproblem that has arisen when mating motives conflict with the large-scale and easy availability of hyper-rewarding but obesogenic foods. This situation is exacerbated particularly in those contemporary environments that are characterized by sedentary lifestyles, ever-present junk foods, caloric surplus and the ubiquity of social comparisons that take place via social media. Our psychoneuroimmunological model connects ultimate-level causation with proximate mechanisms by showing how the adaptive metaproblem between mating motives and food rewards leads to chronic stress and, further, to disordered eating. Chronic stress causes neuroinflammation, which increases susceptibility to OCD-like behaviors that typically co-occur with eating disorders. Chronic stress upregulates the serotonergic system and causes dysphoric mood in anorexia nervosa patients. Dieting, however, reduces serotonin levels and dysphoric mood, leading to a vicious serotonergic-homeostatic stress/starvation cycle whereby cortisol and neuroinflammation increase through stringent dieting. Our psychoneuroimmunological model indicates that between-individual and within-individual variation in eating disorders partially arises from (co)variation in gut microbiota and stress responsivity, which influence neuroinflammation and the serotonergic system. We review the advances that have been made in recent years in understanding how to best treat eating disorders, outlining directions for future clinical research. Current evidence indicates that eating disorder treatments should aim to reduce the chronic stress, neuroinflammation, stress responsivity and gut dysbiosis that fuel the disorders. Connecting ultimate causes with proximate mechanisms and treating biopsychosocial causes rather than manifest symptoms is expected to bring more effective and sophisticated long-term interventions for the millions of people who suffer from eating disorders.
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Affiliation(s)
| | - Severi Luoto
- English, Drama and Writing Studies, University of Auckland, Auckland, New Zealand.,School of Psychology, University of Auckland, Auckland, New Zealand
| | - Tatjana Krama
- Department of Biotechnology, Daugavpils University, Daugavpils, Latvia
| | - Indrikis Krams
- Department of Biotechnology, Daugavpils University, Daugavpils, Latvia.,Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia
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20
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Bahhir D, Yalgin C, Ots L, Järvinen S, George J, Naudí A, Krama T, Krams I, Tamm M, Andjelković A, Dufour E, González de Cózar JM, Gerards M, Parhiala M, Pamplona R, Jacobs HT, Jõers P. Manipulating mtDNA in vivo reprograms metabolism via novel response mechanisms. PLoS Genet 2019; 15:e1008410. [PMID: 31584940 PMCID: PMC6795474 DOI: 10.1371/journal.pgen.1008410] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 10/16/2019] [Accepted: 09/10/2019] [Indexed: 11/18/2022] Open
Abstract
Mitochondria have been increasingly recognized as a central regulatory nexus for multiple metabolic pathways, in addition to ATP production via oxidative phosphorylation (OXPHOS). Here we show that inducing mitochondrial DNA (mtDNA) stress in Drosophila using a mitochondrially-targeted Type I restriction endonuclease (mtEcoBI) results in unexpected metabolic reprogramming in adult flies, distinct from effects on OXPHOS. Carbohydrate utilization was repressed, with catabolism shifted towards lipid oxidation, accompanied by elevated serine synthesis. Cleavage and translocation, the two modes of mtEcoBI action, repressed carbohydrate rmetabolism via two different mechanisms. DNA cleavage activity induced a type II diabetes-like phenotype involving deactivation of Akt kinase and inhibition of pyruvate dehydrogenase, whilst translocation decreased post-translational protein acetylation by cytonuclear depletion of acetyl-CoA (AcCoA). The associated decrease in the concentrations of ketogenic amino acids also produced downstream effects on physiology and behavior, attributable to decreased neurotransmitter levels. We thus provide evidence for novel signaling pathways connecting mtDNA to metabolism, distinct from its role in supporting OXPHOS. Mitochondria, subcellular compartments (organelles) found in virtually all eukaryotes, contain DNA which is believed to be a remnant of an ancestral bacterial genome. They are best known for the synthesis of the universal energy carrier ATP, but also serve as the hub of various metabolic and signalling pathways. We report here that mtDNA integrity is linked to a signaling system that influences metabolic fuel selection between fats and sugars. By disrupting mtDNA in the fruit fly we induced a strong shift towards lipid catabolism. This was caused both by a widespread decrease in post-translational acetylation of proteins, as well as specific inhibition of the machinery that transports glucose into cells across the plasma membrane. This phenomenon is very similar to the pathophysiology of diabetes, where the inability to transport glucose to cells is considered the main hallmark of the disease. Moreover, decreased protein acetylation was associated with lower levels of certain neurotransmitters, causing various effects on feeding and fertility. Our discovery reveals an unexpected role for mtDNA stability in regulating global metabolic balance and suggests that it could be instrumental in pandemic metabolic disorders such as diabetes and obesity.
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Affiliation(s)
- Diana Bahhir
- Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia
| | - Cagri Yalgin
- Institute of Biotechnology, University of Helsinki, Helsinki, Finland
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Liina Ots
- Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia
| | - Sampsa Järvinen
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Jack George
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Alba Naudí
- Experimental Medicine Department, University of Lleida-Institute for Research in Biomedicine of Lleida (UdL-IRBLLEIDA), Lleida, Spain
| | - Tatjana Krama
- Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia
- Department of Plant Health, Institute of Agricultural and Environmental Sciences, Estonian University of Life Science, Tartu, Estonia
| | - Indrikis Krams
- Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia
- Department of Zoology and Animal Ecology, Faculty of Biology, University of Latvia, Rīga, Latvia
- Department of Biotechnology, Daugavpils University, Daugavpils, Latvia
| | - Mairi Tamm
- Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia
| | - Ana Andjelković
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Eric Dufour
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | | | - Mike Gerards
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- Maastricht Centre for Systems Biology (MaCSBio), Maastricht University, Maastricht, The Netherlands
| | - Mikael Parhiala
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Reinald Pamplona
- Experimental Medicine Department, University of Lleida-Institute for Research in Biomedicine of Lleida (UdL-IRBLLEIDA), Lleida, Spain
| | - Howard T. Jacobs
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Priit Jõers
- Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- * E-mail:
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21
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Luoto S, Krams I, Rantala MJ. A Life History Approach to the Female Sexual Orientation Spectrum: Evolution, Development, Causal Mechanisms, and Health. Arch Sex Behav 2019; 48:1273-1308. [PMID: 30229521 DOI: 10.1007/s10508-018-1261-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2017] [Revised: 05/29/2018] [Accepted: 06/14/2018] [Indexed: 05/12/2023]
Abstract
Women's capacity for sexual fluidity is at least as interesting a phenomenon from the point of view of evolutionary biology and behavioral endocrinology as exclusively homosexual orientation. Evolutionary hypotheses for female nonheterosexuality have failed to fully account for the existence of these different categories of nonheterosexual women, while also overlooking broader data on the causal mechanisms, physiology, ontogeny, and phylogeny of female nonheterosexuality. We review the evolutionary-developmental origins of various phenotypes in the female sexual orientation spectrum using the synergistic approach of Tinbergen's four questions. We also present femme-specific and butch-specific hypotheses at proximate and ultimate levels of analysis. This review article indicates that various nonheterosexual female phenotypes emerge from and contribute to hormonally mediated fast life history strategies. Life history theory provides a biobehavioral explanatory framework for nonheterosexual women's masculinized body morphology, psychological dispositions, and their elevated likelihood of experiencing violence, substance use, obesity, teenage pregnancy, and lower general health. This pattern of life outcomes can create a feedback loop of environmental unpredictability and harshness which destabilizes intrauterine hormonal conditions in mothers, leading to a greater likelihood of fast life history strategies, global health problems, and nonheterosexual preferences in female offspring. We further explore the potential of female nonheterosexuality to function as an alloparental buffer that enables masculinizing alleles to execute their characteristic fast life history strategies as they appear in the female and the male phenotype. Synthesizing life history theory with the female sexual orientation spectrum enriches existing scientific knowledge on the evolutionary-developmental mechanisms of human sex differences.
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Affiliation(s)
- Severi Luoto
- English, Drama and Writing Studies, University of Auckland, Arts 1, Building 206, Room 616, 14A Symonds St., Auckland, 1010, New Zealand.
- School of Psychology, University of Auckland, Auckland, New Zealand.
| | - Indrikis Krams
- Department of Zoology and Animal Ecology, University of Latvia, Riga, Latvia
- Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia
| | - Markus J Rantala
- Department of Biology & Turku Brain and Mind Center, University of Turku, Turku, Finland
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22
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Luoto S, Krams I, Rantala MJ. Response to Commentaries: Life History Evolution, Causal Mechanisms, and Female Sexual Orientation. Arch Sex Behav 2019; 48:1335-1347. [PMID: 31119422 DOI: 10.1007/s10508-019-1439-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 03/16/2019] [Indexed: 06/09/2023]
Affiliation(s)
- Severi Luoto
- English, Drama and Writing Studies, University of Auckland, Arts 1, Bldg. 206, Room 616, 14A Symonds St., Auckland, 1010, New Zealand.
- School of Psychology, University of Auckland, Auckland, New Zealand.
| | - Indrikis Krams
- Department of Zoology and Animal Ecology, University of Latvia, Rīga, Latvia
- Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia
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23
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Trakimas G, Krams R, Krama T, Kortet R, Haque S, Luoto S, Eichler Inwood S, Butler DM, Jõers P, Hawlena D, Rantala MJ, Elferts D, Contreras-Garduño J, Krams I. Ecological Stoichiometry: A Link Between Developmental Speed and Physiological Stress in an Omnivorous Insect. Front Behav Neurosci 2019; 13:42. [PMID: 30906256 PMCID: PMC6419478 DOI: 10.3389/fnbeh.2019.00042] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Accepted: 02/14/2019] [Indexed: 12/01/2022] Open
Abstract
The elemental composition of organisms belongs to a suite of functional traits that may adaptively respond to fluctuating selection pressures. Life history theory predicts that predation risk and resource limitations impose selection pressures on organisms’ developmental time and are further associated with variability in energetic and behavioral traits. Individual differences in developmental speed, behaviors and physiology have been explained using the pace-of-life syndrome (POLS) hypothesis. However, how an organism’s developmental speed is linked with elemental body composition, metabolism and behavior is not well understood. We compared elemental body composition, latency to resume activity and resting metabolic rate (RMR) of western stutter-trilling crickets (Gryllus integer) in three selection lines that differ in developmental speed. We found that slowly developing crickets had significantly higher body carbon, lower body nitrogen and higher carbon-to-nitrogen ratio than rapidly developing crickets. Slowly developing crickets had significantly higher RMR than rapidly developing crickets. Male crickets had higher RMR than females. Slowly developing crickets resumed activity faster in an unfamiliar relative to a familiar environment. The rapidly developing crickets did the opposite. The results highlight the tight association between life history, physiology and behavior. This study indicates that traditional methods used in POLS research should be complemented by those used in ecological stoichiometry, resulting in a synthetic approach that potentially advances the whole field of behavioral and physiological ecology.
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Affiliation(s)
- Giedrius Trakimas
- Institute of Biosciences, Vilnius University, Vilnius, Lithuania.,Department of Biotechnology, Daugavpils University, Daugavpils, Latvia
| | - Ronalds Krams
- Department of Biotechnology, Daugavpils University, Daugavpils, Latvia.,Department of Plant Protection, Estonian University of Life Sciences, Tartu, Estonia
| | - Tatjana Krama
- Department of Biotechnology, Daugavpils University, Daugavpils, Latvia.,Department of Plant Protection, Estonian University of Life Sciences, Tartu, Estonia
| | - Raine Kortet
- Department of Environmental and Biological Sciences, University of Eastern Finland, Joensuu, Finland
| | - Shahi Haque
- Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia
| | - Severi Luoto
- English, Drama and Writing Studies, University of Auckland, Auckland, New Zealand.,School of Psychology, University of Auckland, Auckland, New Zealand
| | - Sarah Eichler Inwood
- The Bredesen Center, Energy Science and Engineering, University of Tennessee, Knoxville, TN, United States
| | - David M Butler
- Department of Plant Sciences, University of Tennessee, Knoxville, TN, United States
| | - Priit Jõers
- Department of General and Microbial Biochemistry, University of Tartu, Tartu, Estonia
| | - Dror Hawlena
- Department of Ecology, Evolution and Behavior, the Alexander Silberman Institute of Life Sciences, the Hebrew University of Jerusalem, Jerusalem, Israel
| | - Markus J Rantala
- Department of Biology and Turku Brain and Mind Centre, University of Turku, Turku, Finland
| | - Didzis Elferts
- Department of Botany and Ecology, Faculty of Biology, University of Latvia, Riga, Latvia
| | - Jorge Contreras-Garduño
- Ecuela Nacional de Estudios Superiores Unidad Morelia, Universidad Nacional Autónoma de México, Morelia, Mexico
| | - Indrikis Krams
- Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia.,Department of Psychology, University of Tennessee, Knoxville, TN, United States.,Department of Zoology and Animal Ecology, Faculty of Biology, University of Latvia, Riga, Latvia
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24
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Marcinkowska UM, Rantala MJ, Lee AJ, Kozlov MV, Aavik T, Cai H, Contreras-Garduño J, David OA, Kaminski G, Li NP, Onyishi IE, Prasai K, Pazhoohi F, Prokop P, Cardozo SLR, Sydney N, Taniguchi H, Krams I, Dixson BJW. Women's preferences for men's facial masculinity are strongest under favorable ecological conditions. Sci Rep 2019; 9:3387. [PMID: 30833635 PMCID: PMC6399235 DOI: 10.1038/s41598-019-39350-8] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 12/15/2018] [Indexed: 12/05/2022] Open
Abstract
The strength of sexual selection on secondary sexual traits varies depending on prevailing economic and ecological conditions. In humans, cross-cultural evidence suggests women’s preferences for men’s testosterone dependent masculine facial traits are stronger under conditions where health is compromised, male mortality rates are higher and economic development is higher. Here we use a sample of 4483 exclusively heterosexual women from 34 countries and employ mixed effects modelling to test how social, ecological and economic variables predict women’s facial masculinity preferences. We report women’s preferences for more masculine looking men are stronger in countries with higher sociosexuality and where national health indices and human development indices are higher, while no associations were found between preferences and indices of intra-sexual competition. Our results show that women’s preferences for masculine faces are stronger under conditions where offspring survival is higher and economic conditions are more favorable.
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Affiliation(s)
- Urszula M Marcinkowska
- Jagiellonian University Medical College, Kraków, Poland.,Department of Biology, University of Turku, Turku, Finland
| | | | - Anthony J Lee
- Division of Psychology, University of Stirling, Glasgow, Scotland, United Kingdom
| | | | - Toivo Aavik
- Institute of Psychology, University of Tartu, Turku, Estonia
| | - Huajian Cai
- Institute of Psychology, Chinese Academy of Sciences, Beijing, P. R. China
| | | | - Oana A David
- Department of Clinical Psychology and Psychotherapy, Babes-Bolyai University, Cluj-Napoca, Romania
| | - Gwenaël Kaminski
- CLLE, Université de Toulouse, CNRS, UT2J, Toulouse, 31058, France.,Institut Universitaire de France, 103 boulevard Saint-Michel, 75005 Paris, France
| | - Norman P Li
- School of Social Sciences, Singapore Management University, Singapore, Singapore
| | - Ike E Onyishi
- Department of Psychology, University of Nigeria, Nsukka, Nigeria
| | | | - Farid Pazhoohi
- Department of Basic Psychology, School of Psychology, University of Minho, Braga, Portugal
| | - Pavol Prokop
- Department of Biology, Trnava University, Trnava, Slovakia.,Slovak Academy of Sciences, Bratislava, Slovakia
| | | | - Nicolle Sydney
- Department of Zoology, Federal University of Parana, Curitiba, Brazil
| | - Hirokazu Taniguchi
- Department of Educational Psychology, Nagasaki University, Nagasaki, Japan
| | - Indrikis Krams
- Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia.,Department of Zoology and Animal Ecology, Faculty of Biology, University of Latvia, Riga, Latvia.,Department of Biotechnology, Daugavpils University, Daugavpils, Latvia
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25
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Krams I, Luoto S, Rubika A, Krama T, Elferts D, Krams R, Kecko S, Skrinda I, Moore FR, Rantala MJ. A head start for life history development? Family income mediates associations between height and immune response in men. Am J Phys Anthropol 2018; 168:421-427. [DOI: 10.1002/ajpa.23754] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 10/07/2018] [Accepted: 10/25/2018] [Indexed: 12/18/2022]
Affiliation(s)
- Indrikis Krams
- Institute of Ecology and Earth Sciences; University of Tartu; Tartu Estonia
- Department of Zoology and Animal Ecology, Faculty of Biology; University of Latvia; Rīga Latvia
- Department of Biotechnology; Daugavpils University; Daugavpils Latvia
| | - Severi Luoto
- English, Drama and Writing Studies; University of Auckland; Auckland New Zealand
- School of Psychology; University of Auckland; Auckland New Zealand
| | - Anna Rubika
- Department of Anatomy and Physiology; Daugavpils University; Daugavpils Latvia
| | - Tatjana Krama
- Institute of Ecology and Earth Sciences; University of Tartu; Tartu Estonia
- Department of Biotechnology; Daugavpils University; Daugavpils Latvia
| | - Didzis Elferts
- Department of Botany and Ecology, Faculty of Biology; University of Latvia; Rīga Latvia
| | - Ronalds Krams
- Department of Biotechnology; Daugavpils University; Daugavpils Latvia
| | - Sanita Kecko
- Department of Biotechnology; Daugavpils University; Daugavpils Latvia
| | | | - Fhionna R. Moore
- School of Psychology; University of Dundee; Dundee United Kingdom
| | - Markus J. Rantala
- Department of Biology; University of Turku; Turku Finland
- Turku Brain and Mind Centre; University of Turku; Turku Finland
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26
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Samplonius JM, Bartošová L, Burgess MD, Bushuev AV, Eeva T, Ivankina EV, Kerimov AB, Krams I, Laaksonen T, Mägi M, Mänd R, Potti J, Török J, Trnka M, Visser ME, Zang H, Both C. Phenological sensitivity to climate change is higher in resident than in migrant bird populations among European cavity breeders. Glob Chang Biol 2018; 24:3780-3790. [PMID: 29691942 DOI: 10.1111/gcb.14160] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Revised: 03/08/2018] [Accepted: 03/14/2018] [Indexed: 05/26/2023]
Abstract
Many organisms adjust their reproductive phenology in response to climate change, but phenological sensitivity to temperature may vary between species. For example, resident and migratory birds have vastly different annual cycles, which can cause differential temperature sensitivity at the breeding grounds, and may affect competitive dynamics. Currently, however, adjustment to climate change in resident and migratory birds have been studied separately or at relatively small geographical scales with varying time series durations and methodologies. Here, we studied differential effects of temperature on resident and migratory birds using the mean egg laying initiation dates from 10 European nest box schemes between 1991 and 2015 that had data on at least one resident tit species and at least one migratory flycatcher species. We found that both tits and flycatchers advanced laying in response to spring warming, but resident tit populations advanced more strongly in relation to temperature increases than migratory flycatchers. These different temperature responses have already led to a divergence in laying dates between tits and flycatchers of on average 0.94 days per decade over the current study period. Interestingly, this divergence was stronger at lower latitudes where the interval between tit and flycatcher phenology is smaller and winter conditions can be considered more favorable for resident birds. This could indicate that phenological adjustment to climate change by flycatchers is increasingly hampered by competition with resident species. Indeed, we found that tit laying date had an additional effect on flycatcher laying date after controlling for temperature, and this effect was strongest in areas with the shortest interval between both species groups. Combined, our results suggest that the differential effect of climate change on species groups with overlapping breeding ecology affects the phenological interval between them, potentially affecting interspecific interactions.
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Affiliation(s)
- Jelmer M Samplonius
- Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, the Netherlands
| | - Lenka Bartošová
- Institute of Agrosystems and Bioclimatology, Mendel University in Brno, Brno, Czech Republic
| | - Malcolm D Burgess
- Centre for Research in Animal Behaviour, University of Exeter, Exeter, UK
- RSPB Centre for Conservation Science, The Lodge, Sandy, Beds, UK
| | - Andrey V Bushuev
- Department of Vertebrate Zoology, Faculty of Biology, Moscow State University, Moscow, Russia
| | - Tapio Eeva
- Department of Biology, University of Turku, Turku, Finland
| | - Elena V Ivankina
- Zvenigorod Biological Station of Lomonosov, Moscow State University, Moscow, Russia
| | - Anvar B Kerimov
- Department of Vertebrate Zoology, Faculty of Biology, Moscow State University, Moscow, Russia
| | - Indrikis Krams
- Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia
- Department of Zoology and Animal Ecology, University of Latvia, Rīga, Latvia
| | - Toni Laaksonen
- Department of Biology, University of Turku, Turku, Finland
| | - Marko Mägi
- Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia
| | - Raivo Mänd
- Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia
| | - Jaime Potti
- Department of Evolutionary Ecology, Estación Biológica de Doñana-CSIC, Seville, Spain
| | - János Török
- Behavioural Ecology Group, Department of Systematic Zoology and Ecology, Eötvös Loránd University, Budapest, Hungary
| | - Miroslav Trnka
- Institute of Agrosystems and Bioclimatology, Mendel University in Brno, Brno, Czech Republic
| | - Marcel E Visser
- Department of Animal Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, the Netherlands
| | | | - Christiaan Both
- Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, Groningen, the Netherlands
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27
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Kangassalo K, Valtonen TM, Sorvari J, Kecko S, Pölkki M, Krams I, Krama T, Rantala MJ. Independent and interactive effects of immune activation and larval diet on adult immune function, growth and development in the greater wax moth (Galleria mellonella). J Evol Biol 2018; 31:1485-1497. [PMID: 29957883 DOI: 10.1111/jeb.13345] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 06/22/2018] [Accepted: 06/27/2018] [Indexed: 11/30/2022]
Abstract
Organisms in the wild are likely to face multiple immune challenges as well as additional ecological stressors, yet their interactive effects on immune function are poorly understood. Insects are found to respond to cues of increased infection risk by enhancing their immune capacity. However, such adaptive plasticity in immune function may be limited by physiological and environmental constraints. Here, we investigated the effects of two environmental stressors - poor larval diet and an artificial parasite-like immune challenge at the pupal stage - on adult immune function, growth and development in the greater wax moth (Galleria mellonella). Males whose immune system was activated with an artificial parasite-like immune challenge had weaker immune response - measured as strength of encapsulation response - as adults compared to the control groups, but only when reared on high-nutrition larval diet. Immune activation did not negatively affect adult immune response in males reared on low-nutrition larval diet, indicating that poor larval diet improved the capacity of the insects to respond to repeated immune challenges. Low-nutrition larval diet also had a positive independent effect on immune capacity in females, yet it negatively affected development time and adult body mass in both sexes. As in the nature immune challenges are rarely isolated, and adverse nutritional environment may indicate an elevated risk of infection, resilience to repeated immune challenges as a response to poor nutritional conditions could provide a significant fitness advantage. This study highlights the importance of considering environmental context when investigating the effects of immune activation in insects.
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Affiliation(s)
| | - Terhi M Valtonen
- Section of Ecology, Department of Biology, University of Turku, Turku, Finland
| | - Jouni Sorvari
- Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, Finland
| | - Sanita Kecko
- Department of Biotechnology, University of Daugavpils, Daugavpils, Latvia
| | - Mari Pölkki
- Section of Ecology, Department of Biology, University of Turku, Turku, Finland
| | - Indrikis Krams
- Department of Biotechnology, University of Daugavpils, Daugavpils, Latvia.,Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia.,Department of Zoology and Animal Ecology, Faculty of Biology, University of Latvia, Rīga, Latvia
| | - Tatjana Krama
- Department of Biotechnology, University of Daugavpils, Daugavpils, Latvia.,Department of Plant Protection, Institute of Agricultural and Environmental Sciences, Estonian University of Life Science, Tartu, Estonia
| | - Markus J Rantala
- Section of Ecology, Department of Biology, University of Turku, Turku, Finland.,Turku Brain and Mind Center, University of Turku, Turku, Finland
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28
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Affiliation(s)
- Indrikis Krams
- Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, 51014 Tartu, Estonia .,Department of Zoology and Animal Ecology, Faculty of Biology, University of Latvia, 1004 Rīga, Latvia
| | - Markus J Rantala
- Department of Biology & Turku Brain and Mind Centre, University of Turku, 20014 Turku, Finland
| | - Severi Luoto
- English, Drama and Writing Studies, University of Auckland, 1010 Auckland, New Zealand.,School of Psychology, University of Auckland, 1010 Auckland, New Zealand
| | - Tatjana Krama
- Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, 51014 Tartu, Estonia
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29
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Krams I, Trakimas G, Kecko S, Elferts D, Krams R, Luoto S, Rantala MJ, Mänd M, Kuusik A, Kekäläinen J, Jõers P, Kortet R, Krama T. Linking organismal growth, coping styles, stress reactivity, and metabolism via responses against a selective serotonin reuptake inhibitor in an insect. Sci Rep 2018; 8:8599. [PMID: 29872133 PMCID: PMC5988682 DOI: 10.1038/s41598-018-26722-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 05/15/2018] [Indexed: 01/21/2023] Open
Abstract
Evidence suggests that brain serotonin (5-HT) is one of the central mediators of different types of animal personality. We tested this assumption in field crickets Gryllus integer using a selective serotonin reuptake inhibitor (SSRI). Crickets were selected for slow and rapid development and tested for their coping styles under non-stressful conditions (time spent exploring a novel object). Resting metabolic rate, maximum metabolic rate and latency to resume activity were measured under stressful conditions (stress reactivity). Measurements were taken (i) before and (ii) during the SSRI treatment. Before the SSRI treatment, a strong negative correlation was observed between coping style and stress reactivity, which suggests the existence of a behavioral syndrome. After the SSRI treatment, the syndrome was no longer evident. The results of this study show that 5-HT may be involved in regulating behavior not only along a stress reactivity gradient but also along a coping styles axis. The relationship between personality and the strength and direction of 5-HT treatment on observed behaviors indicates trait-like individual differences in 5-HT signaling. Overall, these findings do not support recent ideas arising from the pace-of-life syndrome (POLS) hypothesis, which predict higher exploration and metabolic rates in rapidly developing bold animals.
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Affiliation(s)
- Indrikis Krams
- Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia.
- Department of Zoology and Animal Ecology, Faculty of Biology, University of Latvia, Rīga, Latvia.
- University of Tennessee, Department of Psychology, Knoxville, USA.
| | - Giedrius Trakimas
- Institute of Biosciences, Vilnius University, Vilnius, Lithuania
- Department of Biotechnology, Institute of Life Sciences and Technology, Daugavpils University, Daugavpils, Latvia
| | - Sanita Kecko
- Department of Biotechnology, Institute of Life Sciences and Technology, Daugavpils University, Daugavpils, Latvia
| | - Didzis Elferts
- Department of Botany and Ecology, Faculty of Biology, University of Latvia, Rīga, Latvia
| | - Ronalds Krams
- Department of Biotechnology, Institute of Life Sciences and Technology, Daugavpils University, Daugavpils, Latvia
| | - Severi Luoto
- English, Drama and Writing Studies, University of Auckland, Auckland, New Zealand
- School of Psychology, University of Auckland, Auckland, New Zealand
| | - Markus J Rantala
- Department of Biology & Turku Brain and Mind Centre, University of Turku, Turku, Finland
| | - Marika Mänd
- Department of Plant Protection, Institute of Agricultural and Environmental Sciences, Estonian University of Life Science, Tartu, Estonia
| | - Aare Kuusik
- Department of Plant Protection, Institute of Agricultural and Environmental Sciences, Estonian University of Life Science, Tartu, Estonia
| | - Jukka Kekäläinen
- Department of Environmental and Biological Sciences, University of Eastern Finland, Joensuu, Finland
| | - Priit Jõers
- Insttute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia
| | - Raine Kortet
- Department of Environmental and Biological Sciences, University of Eastern Finland, Joensuu, Finland
| | - Tatjana Krama
- Department of Biotechnology, Institute of Life Sciences and Technology, Daugavpils University, Daugavpils, Latvia
- Department of Plant Protection, Institute of Agricultural and Environmental Sciences, Estonian University of Life Science, Tartu, Estonia
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30
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Rantala MJ, Luoto S, Krams I. An Evolutionary Approach to Clinical Pharmacopsychology. Psychother Psychosom 2018; 86:370-371. [PMID: 29131107 DOI: 10.1159/000480709] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 08/22/2017] [Indexed: 11/19/2022]
Affiliation(s)
- Markus J Rantala
- Department of Biology and Turku Brain and Mind Center, University of Turku, Turku, Finland
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31
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Luoto S, Karlsson H, Krams I, Rantala MJ. Depression subtyping based on evolutionary psychiatry: From reactive short-term mood change to depression. Brain Behav Immun 2018; 69:630. [PMID: 29203424 DOI: 10.1016/j.bbi.2017.12.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 12/01/2017] [Indexed: 11/17/2022] Open
Affiliation(s)
- Severi Luoto
- English, Drama and Writing Studies, University of Auckland, 1010 Auckland, New Zealand; School of Psychology, University of Auckland, 1010 Auckland, New Zealand.
| | - Hasse Karlsson
- Department of Psychiatry, University of Turku and Turku University Hospital, FIN-20014 Turku, Finland; Turku Brain and Mind Center, University of Turku, FIN-20014 Turku, Finland
| | - Indrikis Krams
- Institute of Ecology and Earth Sciences, University of Tartu, 51014 Tartu, Estonia; Department of Zoology and Animal Ecology, University of Latvia, 1004 Riga, Latvia
| | - Markus J Rantala
- Department of Biology, University of Turku, FIN-20014 Turku, Finland; Turku Brain and Mind Center, University of Turku, FIN-20014 Turku, Finland
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32
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Suhonen J, Ilvonen S, Dunn DW, Dunn J, Härmä O, Ilvonen JJ, Kaunisto KM, Krams I. Parasitism affects variation in a male damselfly sexual ornament. ETHOL ECOL EVOL 2017. [DOI: 10.1080/03949370.2017.1354920] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Jukka Suhonen
- Department of Biology, University of Turku, FI-20014 Turku, Finland
| | - Sini Ilvonen
- Department of Biology, University of Turku, FI-20014 Turku, Finland
| | - Derek W. Dunn
- College of Life Sciences, Northwest University, Xi’an, Shaanxi 710069, China
| | - Johanna Dunn
- Department of Biology, University of Turku, FI-20014 Turku, Finland
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough, Leicestershire LE12 5RD, UK
| | - Oskari Härmä
- Department of Biology, University of Turku, FI-20014 Turku, Finland
| | | | - Kari M. Kaunisto
- Department of Biology, University of Turku, FI-20014 Turku, Finland
| | - Indrikis Krams
- Department of Biotechnology, University of Daugavpils, 5401, Daugavpils, Latvia
- Institute of Ecology and Earth Sciences, University of Tartu, 51014, Tartu, Estonia
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33
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Rantala MJ, Coetzee V, Moore FR, Skrinda I, Kecko S, Krama T, Kivleniece I, Krams I. Correction to ‘Adiposity, compared to masculinity, serves as a more valid cue to immunocompetence in human mate choice’. Proc Biol Sci 2017; 284:rspb.2017.0103. [DOI: 10.1098/rspb.2017.0103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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34
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Kangassalo K, Kosonen K, Pölkki M, Sorvari J, Krams I, Rantala MJ. Immune Challenge has a Negative Effect on Cuticular Darkness in the Mealworm Beetle, Tenebrio molitor. ANN ZOOL FENN 2016. [DOI: 10.5735/086.053.0603] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Katariina Kangassalo
- Department of Biology, Section of Ecology, FI-20014 University of Turku, Finland
| | - Katja Kosonen
- Department of Biology, Section of Ecology, FI-20014 University of Turku, Finland
| | - Mari Pölkki
- Department of Biology, Section of Ecology, FI-20014 University of Turku, Finland
| | - Jouni Sorvari
- Department of Environmental and Biological Sciences, University of Eastern Finland, FI-70211 Kuopio Finland
| | - Indrikis Krams
- Institute of Systematic Biology, University of Daugavpils, Vienības iela 13, LV-5401 Daugavpils, Latvia
- Institute of Ecology and Earth Sciences, University of Tartu, Ülikooli 18, EE-50090 Tartu, Estonia
| | - Markus J. Rantala
- Department of Biology, Section of Ecology, FI-20014 University of Turku, Finland
- Turku Brain and Mind Center, FI-20014 University of Turku, Finland
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35
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Krams I, Eichler Inwood S, Trakimas G, Krams R, Burghardt GM, Butler DM, Luoto S, Krama T. Short-term exposure to predation affects body elemental composition, climbing speed and survival ability in Drosophila melanogaster. PeerJ 2016; 4:e2314. [PMID: 27602281 PMCID: PMC4991848 DOI: 10.7717/peerj.2314] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2016] [Accepted: 07/12/2016] [Indexed: 12/14/2022] Open
Abstract
Factors such as temperature, habitat, larval density, food availability and food quality substantially affect organismal development. In addition, risk of predation has a complex impact on the behavioural and morphological life history responses of prey. Responses to predation risk seem to be mediated by physiological stress, which is an adaptation for maintaining homeostasis and improving survivorship during life-threatening situations. We tested whether predator exposure during the larval phase of development has any influence on body elemental composition, energy reserves, body size, climbing speed and survival ability of adult Drosophila melanogaster. Fruit fly larvae were exposed to predation by jumping spiders (Phidippus apacheanus), and the percentage of carbon (C) and nitrogen (N) content, extracted lipids, escape response and survival were measured from predator-exposed and control adult flies. The results revealed predation as an important determinant of adult phenotype formation and survival ability. D. melanogaster reared together with spiders had a higher concentration of body N (but equal body C), a lower body mass and lipid reserves, a higher climbing speed and improved adult survival ability. The results suggest that the potential of predators to affect the development and the adult phenotype of D. melanogaster is high enough to use predators as a more natural stimulus in laboratory experiments when testing, for example, fruit fly memory and learning ability, or when comparing natural populations living under different predation pressures.
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Affiliation(s)
- Indrikis Krams
- Department of Psychology, University of Tennessee, Knoxville, United States; Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia; Department of Risk Assessment and Epidemiology, Institute of Food Safety, Animal Health and Environment BIOR, Riga, Latvia
| | - Sarah Eichler Inwood
- Bredesen Center, Energy Science and Engineering, University of Tennessee , Knoxville , United States
| | - Giedrius Trakimas
- Centre for Ecology and Environmental Research, Vilnius University, Vilnius, Lithuania; Department of Biotechnology, Daugavpils University, Daugavpils, Latvia
| | - Ronalds Krams
- Department of Biotechnology, Daugavpils University , Daugavpils , Latvia
| | - Gordon M Burghardt
- Departments of Psychology and Ecology & Evolutionary Biology, University of Tennessee , Knoxville , TN , United States
| | - David M Butler
- Department of Plant Sciences, University of Tennessee , Knoxville , United States
| | - Severi Luoto
- School of Psychology, University of Auckland, Auckland, New Zealand; English, Drama and Writing Studies, University of Auckland, Auckland, New Zealand
| | - Tatjana Krama
- Department of Plant Protection, Estonian University of Life Science , Tartu , Estonia
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36
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Vaugoyeau M, Adriaensen F, Artemyev A, Bańbura J, Barba E, Biard C, Blondel J, Bouslama Z, Bouvier JC, Camprodon J, Cecere F, Charmantier A, Charter M, Cichoń M, Cusimano C, Czeszczewik D, Demeyrier V, Doligez B, Doutrelant C, Dubiec A, Eens M, Eeva T, Faivre B, Ferns PN, Forsman JT, García-Del-Rey E, Goldshtein A, Goodenough AE, Gosler AG, Grégoire A, Gustafsson L, Harnist I, Hartley IR, Heeb P, Hinsley SA, Isenmann P, Jacob S, Juškaitis R, Korpimäki E, Krams I, Laaksonen T, Lambrechts MM, Leclercq B, Lehikoinen E, Loukola O, Lundberg A, Mainwaring MC, Mänd R, Massa B, Mazgajski TD, Merino S, Mitrus C, Mönkkönen M, Morin X, Nager RG, Nilsson JÅ, Nilsson SG, Norte AC, Orell M, Perret P, Perrins CM, Pimentel CS, Pinxten R, Richner H, Robles H, Rytkönen S, Senar JC, Seppänen JT, Pascoal da Silva L, Slagsvold T, Solonen T, Sorace A, Stenning MJ, Tryjanowski P, von Numers M, Walankiewicz W, Møller AP. Interspecific variation in the relationship between clutch size, laying date and intensity of urbanization in four species of hole-nesting birds. Ecol Evol 2016; 6:5907-20. [PMID: 27547364 PMCID: PMC4983601 DOI: 10.1002/ece3.2335] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 06/20/2016] [Accepted: 06/23/2016] [Indexed: 01/20/2023] Open
Abstract
The increase in size of human populations in urban and agricultural areas has resulted in considerable habitat conversion globally. Such anthropogenic areas have specific environmental characteristics, which influence the physiology, life history, and population dynamics of plants and animals. For example, the date of bud burst is advanced in urban compared to nearby natural areas. In some birds, breeding success is determined by synchrony between timing of breeding and peak food abundance. Pertinently, caterpillars are an important food source for the nestlings of many bird species, and their abundance is influenced by environmental factors such as temperature and date of bud burst. Higher temperatures and advanced date of bud burst in urban areas could advance peak caterpillar abundance and thus affect breeding phenology of birds. In order to test whether laying date advance and clutch sizes decrease with the intensity of urbanization, we analyzed the timing of breeding and clutch size in relation to intensity of urbanization as a measure of human impact in 199 nest box plots across Europe, North Africa, and the Middle East (i.e., the Western Palearctic) for four species of hole‐nesters: blue tits (Cyanistes caeruleus), great tits (Parus major), collared flycatchers (Ficedula albicollis), and pied flycatchers (Ficedula hypoleuca). Meanwhile, we estimated the intensity of urbanization as the density of buildings surrounding study plots measured on orthophotographs. For the four study species, the intensity of urbanization was not correlated with laying date. Clutch size in blue and great tits does not seem affected by the intensity of urbanization, while in collared and pied flycatchers it decreased with increasing intensity of urbanization. This is the first large‐scale study showing a species‐specific major correlation between intensity of urbanization and the ecology of breeding. The underlying mechanisms for the relationships between life history and urbanization remain to be determined. We propose that effects of food abundance or quality, temperature, noise, pollution, or disturbance by humans may on their own or in combination affect laying date and/or clutch size.
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Affiliation(s)
- Marie Vaugoyeau
- Ecologie Systématique Evolution Université Paris-Sud, CNRS, Agro Paris Tech, Université Paris-Saclay Orsay France
| | - Frank Adriaensen
- Department of Biology Evolutionary Ecology Group University of Antwerp Antwerp Belgium
| | - Alexandr Artemyev
- Institute of Biology Karelian Research Centre Russian Academy of Sciences Petrozavodsk Russia
| | - Jerzy Bańbura
- Department of Experimental Zoology & Evolutionary Biology University of Lodź Lodź Poland
| | - Emilio Barba
- Terrestrial Vertebrates Research Unit "Cavanilles" Institute of Biodiversity and Evolutionary Biology University of Valencia Paterna Spain
| | - Clotilde Biard
- Université Pierre et Marie Curie Sorbonne universités UPMC Univ Paris 06, UPEC, Paris 7 CNRS, INRA, IRD, Institut d'Écologie et des Sciences de l'Environnement de Paris Paris France
| | - Jacques Blondel
- Centre d'Ecologie Fonctionnelle et Evolutive, Campus CNRS Montpellier France
| | - Zihad Bouslama
- Research Laboratory "Ecology of Terrestrial and Aquatic Systems" University Badji Mokhtar Annaba Algeria
| | | | - Jordi Camprodon
- Àrea de Biodiversitat Grup de Biologia de la Conservació Centre Tecnològic Forestal de Catalunya Solsona Spain
| | | | - Anne Charmantier
- Centre d'Ecologie Fonctionnelle et Evolutive, Campus CNRS Montpellier France
| | - Motti Charter
- University of Haifa Haifa Israel; Society for the Protection of Nature University of Lausanne Lausanne Switzerland
| | - Mariusz Cichoń
- Institute of Environmental Science Jagiellonian University Krakow Poland
| | - Camillo Cusimano
- Department of Agriculture and Forest Sciences Università di Palermo Palermo Italy
| | - Dorota Czeszczewik
- Department of Zoology Faculty of Natural Science Siedlce University of Natural Sciences and Humanities Siedlce Poland
| | - Virginie Demeyrier
- Centre d'Ecologie Fonctionnelle et Evolutive, Campus CNRS Montpellier France
| | - Blandine Doligez
- Department of Biometry & Evolutionary Biology University of Lyon 1 Villeurbanne France
| | - Claire Doutrelant
- Centre d'Ecologie Fonctionnelle et Evolutive, Campus CNRS Montpellier France
| | - Anna Dubiec
- Museum and Institute of Zoology Polish Academy of Sciences Warsaw Poland
| | - Marcel Eens
- Department of Biology Behavioural Ecology and Ecophysiology Group University of Antwerp Antwerp Belgium
| | - Tapio Eeva
- Section of Ecology Department of Biology University of Turku Turku Finland
| | - Bruno Faivre
- BioGéoSciences Université de Bourgogne Dijon France
| | | | | | - Eduardo García-Del-Rey
- Departamento de Ecología Facultad de Biología Universidad de La Laguna, San Cristóbal de La Laguna Tenerife Canary Islands Spain
| | | | - Anne E Goodenough
- Department of Natural and Social Sciences University of Gloucestershire Gloucestershire UK
| | - Andrew G Gosler
- Department of Zoology Edward Grey Institute of Field Ornithology & Institute of Human Sciences Oxford UK
| | - Arnaud Grégoire
- Centre d'Ecologie Fonctionnelle et Evolutive, Campus CNRS Montpellier France
| | - Lars Gustafsson
- Department of Animal Ecology Evolutionary Biology Centre Uppsala University Uppsala Sweden
| | - Iga Harnist
- Museum and Institute of Zoology Polish Academy of Sciences Warsaw Poland
| | - Ian R Hartley
- Lancaster Environment Centre Lancaster University Lancaster UK
| | - Philipp Heeb
- Laboratoire Évolution & Diversité Biologique UPS Toulouse III Toulouse France
| | | | - Paul Isenmann
- Centre d'Ecologie Fonctionnelle et Evolutive, Campus CNRS Montpellier France
| | - Staffan Jacob
- Laboratoire Évolution & Diversité Biologique UPS Toulouse III Toulouse France
| | - Rimvydas Juškaitis
- Institute of Ecology of Nature Research Centre Akademijos 2 Vilnius Lithuania
| | - Erkki Korpimäki
- Section of Ecology Department of Biology University of Turku Turku Finland
| | - Indrikis Krams
- Institute of Ecology & Earth Sciences University of Tartu Tartu Estonia
| | - Toni Laaksonen
- Section of Ecology Department of Biology University of Turku Turku Finland
| | - Marcel M Lambrechts
- Centre d'Ecologie Fonctionnelle et Evolutive, Campus CNRS Montpellier France
| | | | - Esa Lehikoinen
- Section of Ecology Department of Biology University of Turku Turku Finland
| | - Olli Loukola
- Department of Ecology University of Oulu Oulu Finland
| | - Arne Lundberg
- Department of Animal Ecology Evolutionary Biology Centre Uppsala University Uppsala Sweden
| | | | - Raivo Mänd
- Institute of Ecology & Earth Sciences University of Tartu Tartu Estonia
| | - Bruno Massa
- Department of Agriculture and Forest Sciences Università di Palermo Palermo Italy
| | - Tomasz D Mazgajski
- Museum and Institute of Zoology Polish Academy of Sciences Warsaw Poland
| | - Santiago Merino
- Departamento de Ecología Evolutiva Museo Nacional de Ciencias Naturales Agencia Estatal Consejo Superior de Investigaciones Científicas Madrid Spain
| | - Cezary Mitrus
- Department of Zoology Rzeszów University Rzeszów Poland
| | - Mikko Mönkkönen
- Centre d'Ecologie Fonctionnelle et Evolutive, Campus CNRS Montpellier France; Department of Biological and Environmental Sciences University of Jyväskylä Jyväskylä Finland
| | - Xavier Morin
- Centre d'Ecologie Fonctionnelle et Evolutive, Campus CNRS Montpellier France
| | - Ruedi G Nager
- Institute of Biodiversity, Animal Health & Comparative Medicine University of Glasgow Glasgow UK
| | | | | | - Ana C Norte
- Department of Life SciencesInstitute of Marine ResearchUniversity of CoimbraCoimbraPortugal; Department of Life SciencesMARE - Marine and Environmental Sciences CentreUniversity of CoimbraCoimbraPortugal
| | - Markku Orell
- Department of Ecology University of Oulu Oulu Finland
| | - Philippe Perret
- Centre d'Ecologie Fonctionnelle et Evolutive, Campus CNRS Montpellier France
| | - Christopher M Perrins
- Department of Zoology Edward Grey Institute of Field Ornithology & Institute of Human Sciences Oxford UK
| | - Carla S Pimentel
- Centro de Estudos Florestais Instituto Superior de Agronomia University of Lisbon Lisbon Portugal
| | - Rianne Pinxten
- Department of Biology Behavioural Ecology and Ecophysiology Group University of Antwerp Antwerp Belgium; Didactica Research Unit Faculty of Social Sciences University of Antwerp Antwerp Belgium
| | - Heinz Richner
- Institute of Ecology & Evolution (IEE) University of Bern Bern Switzerland
| | - Hugo Robles
- Department of Biology Evolutionary Ecology Group University of Antwerp Antwerp Belgium; Evolutionary Biology Group (GIBE) Falculty of Sciences University of A Coruña A Coruña Spain
| | | | - Juan Carlos Senar
- Unidad Asociada CSIC de Ecología Evolutiva y de la Conducta Nat-Museu de Ciències Naturals de Barcelona Barcelona Spain
| | | | - Luis Pascoal da Silva
- Department of Life Sciences Institute of Marine Research University of Coimbra Coimbra Portugal
| | - Tore Slagsvold
- Department of Biosciences University of Oslo Oslo Norway
| | | | | | | | - Piotr Tryjanowski
- Institute of Zoology Poznan University of Life Sciences Poznań Poland
| | | | - Wieslaw Walankiewicz
- Department of Zoology Faculty of Natural Science Siedlce University of Natural Sciences and Humanities Siedlce Poland
| | - Anders Pape Møller
- Ecologie Systématique Evolution Université Paris-Sud, CNRS, Agro Paris Tech, Université Paris-Saclay Orsay France
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Krams I, Burghardt GM, Krams R, Trakimas G, Kaasik A, Luoto S, Rantala MJ, Krama T. A dark cuticle allows higher investment in immunity, longevity and fecundity in a beetle upon a simulated parasite attack. Oecologia 2016; 182:99-109. [PMID: 27245343 DOI: 10.1007/s00442-016-3654-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2016] [Accepted: 05/11/2016] [Indexed: 11/29/2022]
Abstract
Cuticle melanism in insects is linked to a number of life history traits: a positive relationship is hypothesized between melanism, immune function, fecundity and lifespan. However, it is not clear how activation of the immune system affects trade-offs between life history traits in female mealworm beetles (Tenebrio molitor) differing in cuticle melanization. The females with tan, brown and black cuticles examined in the present study did not differ in the intensity of encapsulation response, fecundity and longevity when their immune system was not activated. However, we found that immune activation and cuticle melanization have a significant effect on life history traits. Offspring number and lifespan decreased in females with tan and brown cuticles, while the fecundity and lifespan of black females were not affected. Importantly, we inserted the implants again and found a significant decrease in the strength of encapsulation response in females with tan and brown cuticles. In contrast, black females increased melanotic reactions against the nylon implant, suggesting immunological priming. The results show that cuticle melanization plays an important adaptive role under the risk of being infected, while the lack of these benefits before the insertion of nylon monofilaments suggests that there are costs associated with an activated immunity system.
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Affiliation(s)
- Indrikis Krams
- Department of Psychology, University of Tennessee, Knoxville, TN, USA. .,Institute of Food Safety, Animal Health and Environment BIOR, Riga, Latvia. .,Institute of Ecology and Earth Science, University of Tartu, Vanemuise 46, 51014, Tartu, Estonia.
| | - Gordon M Burghardt
- Departments of Psychology and Ecology & Evolutionary Biology, University of Tennessee, Knoxville, TN, USA
| | - Ronalds Krams
- Department of Biotechnology, Institute of Life Sciences and Technology, Daugavpils University, Daugavpils, Latvia
| | - Giedrius Trakimas
- Department of Biotechnology, Institute of Life Sciences and Technology, Daugavpils University, Daugavpils, Latvia.,Center for Ecology and Environmental Research, Vilnius University, Vilnius, Lithuania
| | - Ants Kaasik
- Institute of Ecology and Earth Science, University of Tartu, Vanemuise 46, 51014, Tartu, Estonia
| | - Severi Luoto
- English, Drama and Writing Studies & School of Psychology, University of Auckland, Auckland, New Zealand
| | - Markus J Rantala
- Department of Biology, Turku Brain and Mind Centre, University of Turku, Turku, Finland
| | - Tatjana Krama
- Department of Plant Protection, Institute of Agricultural and Environmental Sciences, Estonian University of Life Science, Tartu, Estonia
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38
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Laaksonen T, Sirkiä PM, Calhim S, Brommer JE, Leskinen PK, Primmer CR, Adamík P, Artemyev AV, Belskii E, Both C, Bureš S, Burgess MD, Doligez B, Forsman JT, Grinkov V, Hoffmann U, Ivankina E, Král M, Krams I, Lampe HM, Moreno J, Mägi M, Nord A, Potti J, Ravussin PA, Sokolov L. Sympatric divergence and clinal variation in multiple coloration traits of Ficedula flycatchers. J Evol Biol 2015; 28:779-90. [PMID: 25683091 DOI: 10.1111/jeb.12604] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 01/23/2015] [Accepted: 02/06/2015] [Indexed: 01/25/2023]
Abstract
Geographic variation in phenotypes plays a key role in fundamental evolutionary processes such as local adaptation, population differentiation and speciation, but the selective forces behind it are rarely known. We found support for the hypothesis that geographic variation in plumage traits of the pied flycatcher Ficedula hypoleuca is explained by character displacement with the collared flycatcher Ficedula albicollis in the contact zone. The plumage traits of the pied flycatcher differed strongly from the more conspicuous collared flycatcher in a sympatric area but increased in conspicuousness with increasing distance to there. Phenotypic differentiation (PST ) was higher than that in neutral genetic markers (FST ), and the effect of geographic distance remained when statistically controlling for neutral genetic differentiation. This suggests that a cline created by character displacement and gene flow explains phenotypic variation across the distribution of this species. The different plumage traits of the pied flycatcher are strongly to moderately correlated, indicating that they evolve non-independently from each other. The flycatchers provide an example of plumage patterns diverging in two species that differ in several aspects of appearance. The divergence in sympatry and convergence in allopatry in these birds provide a possibility to study the evolutionary mechanisms behind the highly divergent avian plumage patterns.
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Affiliation(s)
- T Laaksonen
- Department of Biology, University of Turku, Turku, Finland; Finnish Museum of Natural History, Zoology Unit, University of Helsinki, Helsinki, Finland
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39
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Krams I, Kecko S, Kangassalo K, Moore FR, Jankevics E, Inashkina I, Krama T, Lietuvietis V, Meija L, Rantala MJ. Effects of food quality on trade-offs among growth, immunity and survival in the greater wax moth Galleria mellonella. Insect Sci 2015; 22:431-439. [PMID: 24771711 DOI: 10.1111/1744-7917.12132] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/26/2014] [Indexed: 06/03/2023]
Abstract
The resources available to an individual in any given environment are finite, and variation in life history traits reflect differential allocation of these resources to competing life functions. Nutritional quality of food is of particular importance in these life history decisions. In this study, we tested trade-offs among growth, immunity and survival in 3 groups of greater wax moth (Galleria mellonella) larvae fed on diets of high and average nutritional quality. We found rapid growth and weak immunity (as measured by encapsulation response) in the larvae of the high-energy food group. It took longer to develop on food of average nutritional quality. However, encapsulation response was stronger in this group. The larvae grew longer in the low-energy food group, and had the strongest encapsulation response. We observed the highest survival rates in larvae of the low-energy food group, while the highest mortality rates were observed in the high-energy food group. A significant negative correlation between body mass and the strength of encapsulation response was found only in the high-energy food group revealing significant competition between growth and immunity only at the highest rates of growth. The results of this study help to establish relationships between types of food, its nutritional value and life history traits of G. mellonella larvae.
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Affiliation(s)
- Indrikis Krams
- Institute of Systematic Biology, University of Daugavpils, 5401, Daugavpils, Latvia
- Institute of Ecology and Earth Sciences, University of Tartu, 51014 Tartu, Estonia
| | - Sanita Kecko
- Institute of Systematic Biology, University of Daugavpils, 5401, Daugavpils, Latvia
| | - Katariina Kangassalo
- Department of Biology, Section of Ecology, University of Turku, 20014 Turku, Finland
| | - Fhionna R Moore
- School of Psychology, University of Dundee, Dundee DD1 4HN, UK
| | - Eriks Jankevics
- Latvian Biomedical Research and Study Centre, 1067 Rīga, Latvia
| | - Inna Inashkina
- Latvian Biomedical Research and Study Centre, 1067 Rīga, Latvia
| | - Tatjana Krama
- Institute of Systematic Biology, University of Daugavpils, 5401, Daugavpils, Latvia
- Department of Plant Protection, Institute of Agricultural and Environmental Sciences, Estonian University of Life Science, Tartu, Estonia
| | | | | | - Markus J Rantala
- Department of Biology, Section of Ecology, University of Turku, 20014 Turku, Finland
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40
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Sirkiä PM, Adamík P, Artemyev AV, Belskii E, Both C, Bureš S, Burgess M, Bushuev AV, Forsman JT, Grinkov V, Hoffmann D, Järvinen A, Král M, Krams I, Lampe HM, Moreno J, Mägi M, Nord A, Potti J, Ravussin PA, Sokolov L, Laaksonen T. Fecundity selection does not vary along a large geographical cline of trait means in a passerine bird. Biol J Linn Soc Lond 2015. [DOI: 10.1111/bij.12469] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Päivi M. Sirkiä
- Department of Biology; Section of Ecology; University of Turku; Turku Finland
- Finnish Museum of Natural History; Zoology Unit; University of Helsinki; Helsinki Finland
| | - Peter Adamík
- Department of Zoology and Laboratory of Ornithology; Palacky University; Olomouc Czech Republic
| | - Alexandr V. Artemyev
- Institute of Biology, Karelian Research Centre; Russian Academy of Science; Petrozavodsk Russia
| | - Eugen Belskii
- Institute of Plant and Animal Ecology; Ural Branch; Russian Academy of Science; Ekaterinburg Russia
| | - Christiaan Both
- Centre for Ecological and Evolutionary Studies; University of Groningen; Haren The Netherlands
| | - Stanislav Bureš
- Department of Zoology and Laboratory of Ornithology; Palacky University; Olomouc Czech Republic
| | - Malcolm Burgess
- Centre for Research in Animal Behaviour; School of Life & Environmental Sciences; University of Exeter; Exeter UK
| | - Andrey V. Bushuev
- Department of Vertebrate Zoology; Faculty of Biology; Moscow State University; Moscow Russia
| | | | - Vladimir Grinkov
- Department of Vertebrate Zoology; Faculty of Biology; Moscow State University; Moscow Russia
| | | | - Antero Järvinen
- Kilpisjärvi Biological Station; University of Helsinki; Helsinki Finland
| | | | - Indrikis Krams
- Institute of Systematic Biology; University of Daugavpils; Daugavpils Latvia
| | - Helene M. Lampe
- Centre for Ecological and Evolutionary Synthesis; University of Oslo; Oslo Norway
| | - Juan Moreno
- Departamento de Ecología Evolutiva; Museo Nacional de Ciencias Naturales-CSIC; Madrid Spain
| | - Marko Mägi
- Institute of Ecology and Earth Sciences; Department of Zoology; University of Tartu; Tartu Estonia
| | - Andreas Nord
- Department of Biology; Section of Evolutionary Ecology; Lund University; Lund Sweden
| | - Jaime Potti
- Department of Evolutionary Ecology; Estación Biológica de Doñana-CSIC; Sevilla Spain
| | | | - Leonid Sokolov
- Biological Station of the Zoological Institute; Russian Academy of Science; Rybachy Russia
| | - Toni Laaksonen
- Department of Biology; Section of Ecology; University of Turku; Turku Finland
- Finnish Museum of Natural History; Zoology Unit; University of Helsinki; Helsinki Finland
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41
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Moore FR, Cīrule D, Kivleniece I, Vrublevska J, Rantala MJ, Sild E, Sepp T, Hõrak P, Krama T, Krams I. Investment in a sexual signal results in reduced survival under extreme conditions in the male great tit (Parus major). Behav Ecol Sociobiol 2014. [DOI: 10.1007/s00265-014-1828-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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42
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Skrinda I, Krama T, Kecko S, Moore FR, Kaasik A, Meija L, Lietuvietis V, Rantala MJ, Krams I. Body height, immunity, facial and vocal attractiveness in young men. Naturwissenschaften 2014; 101:1017-25. [PMID: 25326093 DOI: 10.1007/s00114-014-1241-8] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2014] [Revised: 09/05/2014] [Accepted: 09/09/2014] [Indexed: 02/03/2023]
Abstract
Health, facial and vocal attributes and body height of men may affect a diverse range of social outcomes such as attractiveness to potential mates and competition for resources. Despite evidence that each parameter plays a role in mate choice, the relative role of each and inter-relationships between them, is still poorly understood. In this study, we tested relationships both between these parameters and with testosterone and immune function. We report positive relationships between testosterone with facial masculinity and attractiveness, and we found that facial masculinity predicted facial attractiveness and antibody response to a vaccine. Moreover, the relationship between antibody response to a hepatitis B vaccine and body height was found to be non-linear, with a positive relationship up to a height of 188 cm, but an inverse relationship in taller men. We found that vocal attractiveness was dependent upon vocal masculinity. The relationship between vocal attractiveness and body height was also non-linear, with a positive relationship of up to 178 cm, which then decreased in taller men. We did not find a significant relationship between body height and the fundamental frequency of vowel sounds provided by young men, while body height negatively correlated with the frequency of second formant. However, formant frequency was not associated with the strength of immune response. Our results demonstrate the potential of vaccination research to reveal costly traits that govern evolution of mate choice in humans and the importance of trade-offs among these traits.
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Affiliation(s)
- Ilona Skrinda
- Institute of Systematic Biology, University of Daugavpils, 5401, Daugavpils, Latvia
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43
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Møller AP, Adriaensen F, Artemyev A, Bańbura J, Barba E, Biard C, Blondel J, Bouslama Z, Bouvier JC, Camprodon J, Cecere F, Charmantier A, Charter M, Cichoń M, Cusimano C, Czeszczewik D, Demeyrier V, Doligez B, Doutrelant C, Dubiec A, Eens M, Eeva T, Faivre B, Ferns PN, Forsman JT, García-Del-Rey E, Goldshtein A, Goodenough AE, Gosler AG, Góźdź I, Grégoire A, Gustafsson L, Hartley IR, Heeb P, Hinsley SA, Isenmann P, Jacob S, Järvinen A, Juškaitis R, Korpimäki E, Krams I, Laaksonen T, Leclercq B, Lehikoinen E, Loukola O, Lundberg A, Mainwaring MC, Mänd R, Massa B, Mazgajski TD, Merino S, Mitrus C, Mönkkönen M, Morales-Fernaz J, Morin X, Nager RG, Nilsson JÅ, Nilsson SG, Norte AC, Orell M, Perret P, Pimentel CS, Pinxten R, Priedniece I, Quidoz MC, Remeš V, Richner H, Robles H, Rytkönen S, Senar JC, Seppänen JT, da Silva LP, Slagsvold T, Solonen T, Sorace A, Stenning MJ, Török J, Tryjanowski P, van Noordwijk AJ, von Numers M, Walankiewicz W, Lambrechts MM. Variation in clutch size in relation to nest size in birds. Ecol Evol 2014; 4:3583-95. [PMID: 25478150 PMCID: PMC4224533 DOI: 10.1002/ece3.1189] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Revised: 07/07/2014] [Accepted: 07/15/2014] [Indexed: 12/23/2022] Open
Abstract
Nests are structures built to support and protect eggs and/or offspring from predators, parasites, and adverse weather conditions. Nests are mainly constructed prior to egg laying, meaning that parent birds must make decisions about nest site choice and nest building behavior before the start of egg-laying. Parent birds should be selected to choose nest sites and to build optimally sized nests, yet our current understanding of clutch size-nest size relationships is limited to small-scale studies performed over short time periods. Here, we quantified the relationship between clutch size and nest size, using an exhaustive database of 116 slope estimates based on 17,472 nests of 21 species of hole and non-hole-nesting birds. There was a significant, positive relationship between clutch size and the base area of the nest box or the nest, and this relationship did not differ significantly between open nesting and hole-nesting species. The slope of the relationship showed significant intraspecific and interspecific heterogeneity among four species of secondary hole-nesting species, but also among all 116 slope estimates. The estimated relationship between clutch size and nest box base area in study sites with more than a single size of nest box was not significantly different from the relationship using studies with only a single size of nest box. The slope of the relationship between clutch size and nest base area in different species of birds was significantly negatively related to minimum base area, and less so to maximum base area in a given study. These findings are consistent with the hypothesis that bird species have a general reaction norm reflecting the relationship between nest size and clutch size. Further, they suggest that scientists may influence the clutch size decisions of hole-nesting birds through the provisioning of nest boxes of varying sizes.
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Affiliation(s)
- Anders P Møller
- Laboratoire Ecologie, Systematique et Evolution, UMR 8079 CNRS-Université Paris-Sud XI-AgroParisTech Batiment 362 Université Paris-Sud XI, Orsay Cedex, F-91405, France
| | - Frank Adriaensen
- Evolutionary Ecology Group, Department of Biology, University of Antwerp Campus CGB, Antwerp, B-2020, Belgium
| | - Alexandr Artemyev
- Russian Academy of Sciences, Karelian Research Centre, Instition of Biology Petrozavodsk, 185610, Russia
| | - Jerzy Bańbura
- Department of Experimental Zoology & Evolutionary Biology, University of Łodź Banacha 12/16, Łodź, 90-237, Poland
| | - Emilio Barba
- Terrestrial Vertebrates Research Unit "Cavanilles", Institute of Biodiversity and Evolutionary Biology, University of Valencia C/Catedrático José Beltran 2, Paterna, E-46980, Spain
| | - Clotilde Biard
- Laboratoire Ecologie-Evolution, UMR 7625, Equipe Ecophysiologie Evolutive - Evolutionary Ecophysiology Research Group, Université Pierre et Marie Curie - UPMC 7 quai Saint Bernard, case 237, Paris Cedex 05, F-75252, France
| | - Jacques Blondel
- Centre d'Ecologie Fonctionnelle et Evolutive, CEFE UMR 5175 Campus CNRS, 1919 route de Mende, Montpellier Cedex 5, F-34293, France
| | - Zihad Bouslama
- Research Laboratory "Ecology of Terrestrial and Aquatic Systems", University Badji Mokhtar Annaba, Algeria
| | - Jean-Charles Bouvier
- INRA, UR 1115, Plantes et Systèmes de culture Horticoles Avignon, F-84000, France
| | - Jordi Camprodon
- Àrea de Biodiversitat, Grup de Biologia de la Conservació, Centre Tecnològic Forestal de Catalunya Carretera de St. Llorenç de Morunys, km. 2, Solsona, E-25280, Spain
| | | | - Anne Charmantier
- Centre d'Ecologie Fonctionnelle et Evolutive, CEFE UMR 5175 Campus CNRS, 1919 route de Mende, Montpellier Cedex 5 F-34293, France
| | - Motti Charter
- University of Haifa Haifa, Israel ; Society for the Protection of Nature, University of Lausanne Lausanne, Switzerland
| | - Mariusz Cichoń
- Institution of Environment Science, Jagiellonian University Krakow, Poland
| | - Camillo Cusimano
- Stazione Inanellamento c/o Dipartimento SEN-FIMIZO, Università di Palermo Palermo, Italy
| | - Dorota Czeszczewik
- Department of Zoology, Siedlce University of Natural Sciences and Humanities Prusa 12, Siedlce, PL-08-110, Poland
| | - Virginie Demeyrier
- Centre d'Ecologie Fonctionnelle et Evolutive, CEFE UMR 5175 Campus CNRS, 1919 route de Mende, Montpellier Cedex 5 F-34293, France
| | - Blandine Doligez
- Univ Lyon 1, Department of Biometry & Evolutionary Biology, CNRS UMR 5558 Villeurbanne, F-69622, France
| | - Claire Doutrelant
- Centre d'Ecologie Fonctionnelle et Evolutive, CEFE UMR 5175 Campus CNRS, 1919 route de Mende, Montpellier Cedex 5 F-34293, France
| | - Anna Dubiec
- Museum and Institute of Zoology, Polish Academy of Sciences Wilcza 64, Warsaw, PL-00-679, Poland
| | - Marcel Eens
- Campus Drie Eiken, Department of Biology (Ethology) Building C, Antwerp (Wilrijk), B-2610, Belgium
| | - Tapio Eeva
- Section of Ecology, Department of Biology, University of Turku Turku, FI-20014, Finland
| | - Bruno Faivre
- Université de Bourgogne, UMR CNRS 5561, BioGéoSciences 6 Boulevard Gabriel, Dijon, F-21000, France
| | - Peter N Ferns
- School of Bioscience, Cardiff University Cardiff, CF10 3AX, UK
| | - Jukka T Forsman
- Department of Biology, University of Oulu Oulu, FIN-90014, Finland
| | - Eduardo García-Del-Rey
- Departamento de Ecología, Facultad de Biología, Universidad de La Laguna La Laguna, E-38260, Spain
| | | | - Anne E Goodenough
- Department of Natural and Social Sciences, University of Gloucestershire Gloucestershire, GL50 4AZ, U.K
| | - Andrew G Gosler
- Department of Zoology, Edward Grey Institute of Field Ornithology & Institute of Human Sciences South Parks Road, Oxford, OX1 3PS, U.K
| | - Iga Góźdź
- Museum and Institute of Zoology, Polish Academy of Sciences Wilcza 64, Warszawa, PL-00-679, Poland
| | - Arnaud Grégoire
- Centre d'Ecologie Fonctionnelle et Evolutive, CEFE UMR 5175 Campus CNRS, et Université de Montpellier II, 1919 route de Mende, Montpellier Cedex 5, F-34293, France
| | - Lars Gustafsson
- Department of Animal Ecology, Evolutionary Biology Centre, Uppsala University Uppsala, SE-75236, Sweden
| | - Ian R Hartley
- Lancaster Environment Centre, Lancaster University Lancaster, LA1 4YQ, U.K
| | - Philipp Heeb
- Laboratoire Évolution & Diversité Biologique, UPS Toulouse III, Bât 4R1, salle 122 118 route de Narbonne, Toulouse, F-31062, France
| | - Shelley A Hinsley
- CEH Wallingford Maclean Building, Crowmarsh Gifford, Oxfordshire, OX10 8BB, U.K
| | - Paul Isenmann
- Centre d'Ecologie Fonctionnelle et Evolutive, CEFE UMR 5175 Campus CNRS, 1919 route de Mende, Montpellier Cedex 5 F-34293, France
| | - Staffan Jacob
- Laboratoire Évolution & Diversité Biologique, UPS Toulouse III, Bât 4R1, salle 122 118 route de Narbonne, Toulouse F-31062, France
| | - Antero Järvinen
- University of Helsinki Kilpisjarvi Biological Station, P.O.Box 17, Helsinki, FIN-00014, Finland
| | - Rimvydas Juškaitis
- Institute of Ecology of Nature Research Centre Akademijos 2, Vilnius, LT-08412, Lithuania
| | - Erkki Korpimäki
- Section of Ecology, Department of Biology, University of Turku Turku FI-20014, Finland
| | - Indrikis Krams
- Institute of Ecology & Earth Sciences, University Tartu Tartu, EE-51014, Estonia
| | - Toni Laaksonen
- Section of Ecology, Department of Biology, University of Turku Turku FI-20014, Finland
| | - Bernard Leclercq
- Crx. St. Pierre 6 rue Morcueil, Fleurey Sur Ouche, F-21410, France
| | - Esa Lehikoinen
- Section of Ecology, Department of Biology, University of Turku Turku FI-20014, Finland
| | - Olli Loukola
- Department of Biology, University of Oulu Oulu, FI-90014, Finland
| | - Arne Lundberg
- Department of Ecology & Evolution, Uppsala University Uppsala, S-75236, Sweden
| | - Mark C Mainwaring
- Lancaster Environment Centre, Lancaster University Lancaster LA1 4YQ, U.K
| | - Raivo Mänd
- Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu 46 Vanemuise Str., Tartu, EE-51014, Estonia
| | - Bruno Massa
- Stazione Inanellamento c/o Dipartimento SEN-FIMIZO, Università di Palermo Palermo, Italy
| | - Tomasz D Mazgajski
- Museum and Institute of Zoology, Polish Academy of Sciences, Wilcza 64 Warszawa PL-00-679, Poland
| | - Santiago Merino
- Departamento de Ecología Evolutiva Museo Nacional de Ciencias Naturales, Agencia Estatal Consejo Superior de Investigaciones Científicas, CSIC C/José Gutiérrez Abascal 2, Madrid, E-28002, Spain
| | - Cezary Mitrus
- Department of Zoology, Rzeszów University Zelwerowicza 4, Rzeszów, PL-35-601, Poland
| | - Mikko Mönkkönen
- Department of Biological and Environmental Sciences, University of Jyväskylä POB 35, Jyväskylä, FIN-40014, Finland ; Centre d'Ecologie Fonctionelle & Evolutive, CNRS 1919 Route de Mende, Montpellier, France
| | - Judith Morales-Fernaz
- Ecología Evolutiva, Museo Nacional de Ciencias Naturales (CSIC) José Gutiérrez Abascal 2, Madrid, E-28006, Spain
| | - Xavier Morin
- Centre d'Ecologie Fonctionnelle et Evolutive, Campus CNRS 1919 route de Mende, Montpellier Cedex 5, F-34293, France
| | - Ruedi G Nager
- Institute of Biodiversity, Animal Health & Comparative Medicine, University of Glasgow Graham Kerr Building, Glasgow, G12 8QQ, U.K
| | - Jan-Åke Nilsson
- Ecology Building, Animal Ecology, Lund University Lund, SE-223 62, Sweden
| | - Sven G Nilsson
- Department of Biology, Biodiversity, Lund University Ecology Building, Lund, SE-223 62, Sweden
| | - Ana C Norte
- Department of Life Sciences, Institute of Marine Research, University of Coimbra Apartado 3046, Coimbra, PT-3001-401, Portugal
| | - Markku Orell
- Department of Biology, University of Oulu P.O. Box 3000, Oulu, FIN-90014, Finland
| | - Philippe Perret
- Centre d'Ecologie Fonctionnelle et Evolutive, CEFE UMR 5175 Campus CNRS, 1919 route de Mende, Montpellier Cedex 5 F-34293, France
| | - Carla S Pimentel
- Centro de Estudos Florestais, Instituto Superior de Agronomia, University of Lisbon Lisbon, 1349-017, Portugal
| | - Rianne Pinxten
- Campus Drie Eiken, Department of Biology (Ethology), Building C Antwerp (Wilrijk) B-2610, Belgium
| | - Ilze Priedniece
- Latvian Fund for Nature Dzirnavu Street 73-2, Riga, LV-1011, Latvia
| | - Marie-Claude Quidoz
- Centre d'Ecologie Fonctionnelle et Evolutive, CEFE UMR 5175 Campus CNRS, 1919 route de Mende, Montpellier Cedex 5 F-34293, France
| | - Vladimir Remeš
- Laboratory of Ornithology, Department of Zoology, Palacky University Olomouc, CZ-77146, Czech Republic
| | - Heinz Richner
- Institute of Ecology & Evolution (IEE), University of Bern Bern, CH-3012, Switzerland
| | - Hugo Robles
- Falculty of Sciences, Evolutionary Ecology Group (GIBE), University of A Coruña Campus Zapateira, A Coruña, E-15008, Spain ; Evolutionary Ecology Group (EVECO), Department of Biology, University of Antwerp Middelheimcampus, Groenenborgerlaan 171, Antwerp, B-2020, Belgium
| | - Seppo Rytkönen
- Department of Biology, University of Oulu P. O. Box 3000, Oulu, FIN-90014, Finland
| | - Juan Carlos Senar
- Unidad Asociada CSIC de Ecología Evolutiva y de la Conducta, Nat-Museu de Ciències Naturals de Barcelona Barcelona, Spain
| | - Janne T Seppänen
- Department of Biological and Environmental Science, University of Jyväskylä Jyväskylä, Finland
| | - Luís P da Silva
- Department Life Science, IMAR CMA, University Coimbra Coimbra, PT-3004517, Portugal
| | | | - Tapio Solonen
- Luontotutkimus Solonen Oy Neitsytsaarentie 7b B 147, Helsinki, FIN-00960, Finland
| | | | - Martyn J Stenning
- School of Life Sciences, University of Sussex Brighton, Sussex, BN1 9QG, U.K
| | - János Török
- Behavioral Ecology Group, Department of Systematic Zoology & Ecology, Eötvös Lorand University Budapest, H-1117, Hungary
| | - Piotr Tryjanowski
- Institute of Zoology, Poznan University of Life Sciences Wojska Polskiego 71 C, Poznań, PL-60-625, Poland
| | - Arie J van Noordwijk
- Netherlands Institute of Ecology (NIOO-KNAW) Doevendaalsesteg, 10, Wageningen, NL-6708 BP, the Netherlands
| | - Mikael von Numers
- Environmental and Marine Biology, Åbo Akademi University Artillerigatan 6, Biocity, Åbo, FI-20520, Finland
| | - Wiesław Walankiewicz
- Department of Zoology, Siedlce University of Natural Sciences and Humanities, Prusa 12 Siedlce PL-08-110, Poland
| | - Marcel M Lambrechts
- Centre d'Ecologie Fonctionnelle et Evolutive, CEFE UMR 5175 Campus CNRS, 1919 route de Mende, Montpellier Cedex 5 F-34293, France
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Møller AP, Adriaensen F, Artemyev A, Bańbura J, Barba E, Biard C, Blondel J, Bouslama Z, Bouvier JC, Camprodon J, Cecere F, Chaine A, Charmantier A, Charter M, Cichoń M, Cusimano C, Czeszczewik D, Doligez B, Doutrelant C, Dubiec A, Eens M, Eeva T, Faivre B, Ferns PN, Forsman JT, García-del-Rey E, Goldshtein A, Goodenough AE, Gosler AG, Góźdź I, Grégoire A, Gustafsson L, Hartley IR, Heeb P, Hinsley SA, Isenmann P, Jacob S, Järvinen A, Juškaitis R, Kania W, Korpimäki E, Krams I, Laaksonen T, Leclercq B, Lehikoinen E, Loukola O, Lundberg A, Mainwaring MC, Mänd R, Massa B, Mazgajski TD, Merino S, Mitrus C, Mönkkönen M, Morales-Fernaz J, Moreno J, Morin X, Nager RG, Nilsson JÅ, Nilsson SG, Norte AC, Orell M, Perret P, Perrins CM, Pimentel CS, Pinxten R, Priedniece I, Quidoz MC, Remeš V, Richner H, Robles H, Russell A, Rytkönen S, Senar JC, Seppänen JT, Pascoal da Silva L, Slagsvold T, Solonen T, Sorace A, Stenning MJ, Török J, Tryjanowski P, van Noordwijk AJ, von Numers M, Walankiewicz W, Lambrechts MM. Clutch-size variation in Western Palaearctic secondary hole-nesting passerine birds in relation to nest box design. Methods Ecol Evol 2014. [DOI: 10.1111/2041-210x.12160] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Anders Pape Møller
- Laboratoire Ecologie, Systematique et Evolution; UMR8079 CNRS-Université Paris-Sud XI-AgroParisTech; Université Paris-Sud XI; Batiment 362 F-91405 Orsay Cedex France
| | - Frank Adriaensen
- Department of Biology, Evolutionary Ecology Group; University of Antwerp; Campus CGB B-2020 Antwerp Belgium
| | - Alexandr Artemyev
- Karelian Research Centre; Russian Academy of Sciences; Institute of Biology; Petrozavodsk 185610 Russia
| | - Jerzy Bańbura
- Department of Experimental Zoology & Evolutionary Biology; University of Lodź; Banacha 12/16 90-237 Lodź Poland
| | - Emilio Barba
- Terrestrial Vertebrates Research Unit “Cavanilles”; Institute of Biodiversity and Evolutionary Biology; University of Valencia; C/Catedrático José Beltran 2 Paterna E-46980 Spain
| | - Clotilde Biard
- Laboratoire Ecologie-Evolution; UMR 7625; Equipe Ecophysiologie Evolutive - Evolutionary Ecophysiology Research Group; Université Pierre et Marie Curie - UPMC; 7 Quai Saint Bernard, Case 237 F-75252 Paris Cedex 05 France
| | - Jacques Blondel
- Centre d'Ecologie Fonctionnelle et Evolutive; CEFEUMR5175; Campus CNRS, 1919 route deMende F-34293 Montpellier Cedex 5 France
| | - Zihad Bouslama
- Research Laboratory “Ecology of Terrestrial and Aquatic Systems”; University Badji Mokhtar; Annaba Algeria
| | - Jean-Charles Bouvier
- INRA; UR 1115, Plantes et Systèmes de culture Horticoles; F-84000 Avignon France
| | - Jordi Camprodon
- Àrea de Biodiversitat, Grup de Biologia de la Conservació; Centre Tecnològic Forestal de Catalunya; Carretera de St. Llorenç de Morunys, km. 2 E-25280 Solsona Spain
| | | | - Alexis Chaine
- Stn. Ecol. Expt.; CNRS; Moulis USR2936; F-09200 St. Girons France
| | - Anne Charmantier
- Centre d'Ecologie Fonctionnelle et Evolutive; CEFEUMR5175; Campus CNRS, 1919 route deMende F-34293 Montpellier Cedex 5 France
| | - Motti Charter
- University of Haifa; Haifa Israel
- Society for the Protection of Nature; University of Lausanne; Lausanne Switzerland
| | - Mariusz Cichoń
- Institute of Environmental Science; Jagiellonian University; Krakow Poland
| | - Camillo Cusimano
- Stazione Inanellamento c/o Dipartimento SEN-FIMIZO; Università di Palermo; Palermo Italy
| | - Dorota Czeszczewik
- Department of Zoology; Siedlce University of Natural Sciences and Humanities; Prusa 12 PL-08-110 Siedlce Poland
| | - Blandine Doligez
- Department of Biometry & Evolutionary Biology; CNRS UMR5558; University of Lyon 1; F-69622 Villeurbanne France
| | - Claire Doutrelant
- Centre d'Ecologie Fonctionnelle et Evolutive; CEFEUMR5175; Campus CNRS, 1919 route deMende F-34293 Montpellier Cedex 5 France
| | - Anna Dubiec
- Museum and Institute of Zoology; Polish Academy of Sciences; Wilcza 64 PL-00-679 Warsaw Poland
| | - Marcel Eens
- Department of Biology (Ethology); Campus Drie Eiken, Building C B-2610 Antwerp (Wilrijk) Belgium
| | - Tapio Eeva
- Section of Ecology; Department of Biology; University of Turku; FI-20014 Turku Finland
| | - Bruno Faivre
- BioGéoSciences; UMR CNRS 5561; Université de Bourgogne; 6 Boulevard Gabriel F-21000 Dijon France
| | - Peter N. Ferns
- School of Bioscience; Cardiff University; S Glam Wales Cardiff CF10 3AX UK
| | - Jukka T. Forsman
- Department of Biology; University of Oulu; FIN-90014 Oulu Finland
| | - Eduardo García-del-Rey
- Departamento de Ecología; Facultad de Biología; Universidad de La Laguna; La Laguna Tenerife Canary Islands E-38260 Spain
| | | | - Anne E. Goodenough
- Department of Natural and Social Sciences; University of Gloucestershire; Glos GL50 4AZ UK
| | - Andrew G. Gosler
- Department of Zoology; Edward Grey Institute of Field Ornithology & Institute of Human Sciences; South Parks Road Oxford OX1 3PS UK
| | - Iga Góźdź
- Museum and Institute of Zoology; Polish Academy of Sciences; Wilcza 64 PL-00-679 Warsaw Poland
| | - Arnaud Grégoire
- Centre d'Ecologie Fonctionnelle et Evolutive; CEFEUMR5175; Campus CNRS, 1919 route deMende F-34293 Montpellier Cedex 5 France
| | - Lars Gustafsson
- Department of Animal Ecology; Evolutionary Biology Centre; Uppsala University; SE-75236 Uppsala Sweden
| | - Ian R. Hartley
- Lancaster Environment Centre; Lancaster University; Lancaster LA1 4YQ UK
| | - Philipp Heeb
- Laboratoire Évolution & Diversité Biologique; UPS Toulouse III; Bât 4R1, salle 122, 118 route de Narbonne F-31062 Toulouse France
| | | | - Paul Isenmann
- Centre d'Ecologie Fonctionnelle et Evolutive; CEFEUMR5175; Campus CNRS, 1919 route deMende F-34293 Montpellier Cedex 5 France
| | - Staffan Jacob
- Laboratoire Évolution & Diversité Biologique; UPS Toulouse III; Bât 4R1, salle 122, 118 route de Narbonne F-31062 Toulouse France
| | - Antero Järvinen
- Kilpisjarvi Biological Station; University of Helsinki; P.O.Box 17 Helsinki FIN-00014 Finland
| | - Rimvydas Juškaitis
- Institute of Ecology of Nature Research Centre; Akademijos 2 LT-08412 Vilnius Lithuania
| | - Wojciech Kania
- Ornithological Station; Museum and Institute of Zoology; Polish Academy of Sciences; PL-80-680 Gdansk Poland
| | - Erkki Korpimäki
- Section of Ecology; Department of Biology; University of Turku; FI-20014 Turku Finland
| | - Indrikis Krams
- Institute of Ecology & Earth Sciences; University of Tartu; EE-51014 Tartu Estonia
| | - Toni Laaksonen
- Section of Ecology; Department of Biology; University of Turku; FI-20014 Turku Finland
| | | | - Esa Lehikoinen
- Section of Ecology; Department of Biology; University of Turku; FI-20014 Turku Finland
| | - Olli Loukola
- Department of Biology; University of Oulu; FIN-90014 Oulu Finland
| | - Arne Lundberg
- Department of Animal Ecology; Evolutionary Biology Centre; Uppsala University; SE-75236 Uppsala Sweden
| | - Mark C. Mainwaring
- Lancaster Environment Centre; Lancaster University; Lancaster LA1 4YQ UK
| | - Raivo Mänd
- Institute of Ecology & Earth Sciences; University of Tartu; EE-51014 Tartu Estonia
| | - Bruno Massa
- Stazione Inanellamento c/o Dipartimento SEN-FIMIZO; Università di Palermo; Palermo Italy
| | - Tomasz D. Mazgajski
- Museum and Institute of Zoology; Polish Academy of Sciences; Wilcza 64 PL-00-679 Warsaw Poland
| | - Santiago Merino
- Departamento de Ecología Evolutiva Museo Nacional de Ciencias Naturales; Agencia Estatal Consejo Superior de Investigaciones Científicas; Rodrígues, CSIC; C/Josí Gutiírrez Abascal 2 E-28002 Madrid Spain
| | - Cezary Mitrus
- Department of Zoology; Rzeszów University; Zelwerowicza 4 PL-35-601 Rzeszów Poland
| | - Mikko Mönkkönen
- Centre d'Ecologie Fonctionnelle et Evolutive; CEFEUMR5175; Campus CNRS, 1919 route deMende F-34293 Montpellier Cedex 5 France
- Department of Biological and Environmental Sciences; University of Jyväskylä; POB 35 FIN-40014 Jyväskylä Finland
| | - Judith Morales-Fernaz
- Departamento de Ecología Evolutiva Museo Nacional de Ciencias Naturales; Agencia Estatal Consejo Superior de Investigaciones Científicas; Rodrígues, CSIC; C/Josí Gutiírrez Abascal 2 E-28002 Madrid Spain
| | - Juan Moreno
- Departamento de Ecología Evolutiva Museo Nacional de Ciencias Naturales; Agencia Estatal Consejo Superior de Investigaciones Científicas; Rodrígues, CSIC; C/Josí Gutiírrez Abascal 2 E-28002 Madrid Spain
| | - Xavier Morin
- Centre d'Ecologie Fonctionnelle et Evolutive; CEFEUMR5175; Campus CNRS, 1919 route deMende F-34293 Montpellier Cedex 5 France
| | - Ruedi G. Nager
- Institute of Biodiversity, Animal Health & Comparative Medicine; University of Glasgow; Graham Kerr Building Glasgow G12 8QQ UK
| | - Jan-Åke Nilsson
- Animal Ecology; Lund University; Ecology Building SE-223 62 Lund Sweden
| | - Sven G. Nilsson
- Animal Ecology; Lund University; Ecology Building SE-223 62 Lund Sweden
| | - Ana C. Norte
- Department of Life Sciences; Institute of Marine Research; University of Coimbra; Apartado 3046 PT-3001-401 Coimbra Portugal
| | - Markku Orell
- Department of Biology; University of Oulu; FIN-90014 Oulu Finland
| | - Philippe Perret
- Centre d'Ecologie Fonctionnelle et Evolutive; CEFEUMR5175; Campus CNRS, 1919 route deMende F-34293 Montpellier Cedex 5 France
| | - Christopher M. Perrins
- Department of Zoology; Edward Grey Institute of Field Ornithology & Institute of Human Sciences; South Parks Road Oxford OX1 3PS UK
| | - Carla S. Pimentel
- Centro de Estudos Florestais; Instituto Superior de Agronomia; University of Lisbon; PT-1349-017 Lisbon Portugal
| | - Rianne Pinxten
- Department of Biology (Ethology); Campus Drie Eiken, Building C B-2610 Antwerp (Wilrijk) Belgium
| | - Ilze Priedniece
- Latvian Fund for Nature; Dzirnavu Street 73-2 Riga LV-1011 Latvia
| | - Marie-Claude Quidoz
- Centre d'Ecologie Fonctionnelle et Evolutive; CEFEUMR5175; Campus CNRS, 1919 route deMende F-34293 Montpellier Cedex 5 France
| | - Vladimir Remeš
- Laboratory of Ornithology; Department of Zoology; Palacky University; CZ-77146 Olomouc Czech Republic
| | - Heinz Richner
- Institute of Ecology & Evolution (IEE); University of Bern; CH-3012 Bern Switzerland
| | - Hugo Robles
- Department of Biology, Evolutionary Ecology Group; University of Antwerp; Campus CGB B-2020 Antwerp Belgium
| | - Andy Russell
- Stn. Ecol. Expt.; CNRS; Moulis USR2936; F-09200 St. Girons France
| | - Seppo Rytkönen
- Department of Biology; University of Oulu; FIN-90014 Oulu Finland
| | - Juan Carlos Senar
- Unidad Asociada CSIC de Ecología Evolutiva y de la Conducta; Nat-Museu de Ciències Naturals de Barcelona; Barcelona Spain
| | | | - Luis Pascoal da Silva
- Department of Life Sciences; Institute of Marine Research; University of Coimbra; Apartado 3046 PT-3001-401 Coimbra Portugal
| | - Tore Slagsvold
- Department of Biosciences; University of Oslo; Oslo Norway
| | - Tapio Solonen
- Luontotutkimus Solonen Oy; Neitsytsaarentie 7b B 147 FIN-00960 Helsinki Finland
| | | | - Martyn J. Stenning
- School of Life Sciences; University of Sussex; Falmer Brighton Sussex BN1 9QG UK
| | - Janos Török
- Behavioral Ecology Group; Department of Systematic Zoology & Ecology; Eotvos Lorand University; H-1117 Budapest Hungary
| | - Piotr Tryjanowski
- Institute of Zoology; Poznan University of Life Sciences; Wojska Polskiego 71 C PL-60-625 Poznań Poland
| | - Arie J. van Noordwijk
- Netherlands Institute of Ecology (NIOO-KNAW); Doevendaalsesteg, 10 NL-6708 BP Wageningen the Netherlands
| | - Mikael von Numers
- Environmental and Marine Biology; Åbo Akademi University; Artillerigatan 6 Biocity FI-20520 Åbo Finland
| | - Wiesaw Walankiewicz
- Department of Zoology; Siedlce University of Natural Sciences and Humanities; Prusa 12 PL-08-110 Siedlce Poland
| | - Marcel M. Lambrechts
- Centre d'Ecologie Fonctionnelle et Evolutive; CEFEUMR5175; Campus CNRS, 1919 route deMende F-34293 Montpellier Cedex 5 France
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Ruuskanen S, Laaksonen T, Morales J, Moreno J, Mateo R, Belskii E, Bushuev A, Järvinen A, Kerimov A, Krams I, Morosinotto C, Mänd R, Orell M, Qvarnström A, Slate F, Tilgar V, Visser ME, Winkel W, Zang H, Eeva T. Large-scale geographical variation in eggshell metal and calcium content in a passerine bird (Ficedula hypoleuca). Environ Sci Pollut Res Int 2014; 21:3304-17. [PMID: 24234761 DOI: 10.1007/s11356-013-2299-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Accepted: 10/28/2013] [Indexed: 05/22/2023]
Abstract
Birds have been used as bioindicators of pollution, such as toxic metals. Levels of pollutants in eggs are especially interesting, as developing birds are more sensitive to detrimental effects of pollutants than adults. Only very few studies have monitored intraspecific, large-scale variation in metal pollution across a species' breeding range. We studied large-scale geographic variation in metal levels in the eggs of a small passerine, the pied flycatcher (Ficedula hypoleuca), sampled from 15 populations across Europe. We measured 10 eggshell elements (As, Cd, Cr, Cu, Ni, Pb, Zn, Se, Sr, and Ca) and several shell characteristics (mass, thickness, porosity, and color). We found significant variation among populations in eggshell metal levels for all metals except copper. Eggshell lead, zinc, and chromium levels decreased from central Europe to the north, in line with the gradient in pollution levels over Europe, thus suggesting that eggshell can be used as an indicator of pollution levels. Eggshell lead levels were also correlated with soil lead levels and pH. Most of the metals were not correlated with eggshell characteristics, with the exception of shell mass, or with breeding success, which may suggest that birds can cope well with the current background exposure levels across Europe.
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Krams I, Daukste J, Kivleniece I, Krama T, Rantala MJ. Previous encapsulation response enhances within individual protection against fungal parasite in the mealworm beetle Tenebrio molitor. Insect Sci 2013; 20:771-777. [PMID: 23956033 DOI: 10.1111/j.1744-7917.2012.01574.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/05/2012] [Indexed: 06/02/2023]
Abstract
Immune defenses of insects show either broad reactions or specificity and durability of induced protection against attacking parasites and pathogens. In this study, we tested whether encapsulation response against nylon monofilament increases between two attempts of activation of immune system in mealworm beetles Tenebrio molitor, and whether previous exposure to nylon monofilament may also increase protection against an entomopathogenic fungus. We found that survival of beetles subjected to immune activation by nylon implant and subsequent fungal exposure a week later was significantly higher than survival of beetles which had been subjected to fungal infection only. This result suggests that previous immune activation by the nylon implant may be considered as broad spectrum "immune priming" which helps to fight not only the same intruder but also other parasites.
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Affiliation(s)
- Indrikis Krams
- Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia; Institute of Systematic Biology, University of Daugavpils, Daugavpils
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Krams I, Vrublevska J, Koosa K, Krama T, Mierauskas P, Rantala MJ, Tilgar V. Hissing calls improve survival in incubating female great tits (Parus major). Acta Ethol 2013. [DOI: 10.1007/s10211-013-0163-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Loukola OJ, Seppänen JT, Krams I, Torvinen SS, Forsman JT. Observed fitness may affect niche overlap in competing species via selective social information use. Am Nat 2013; 182:474-83. [PMID: 24021400 DOI: 10.1086/671815] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Social information transmission is important because it enables horizontal spread of behaviors, not only between conspecifics but also between individuals of different species. Because interspecific social information use is expected to take place among species with similar resource needs, it may have major consequences for the emergence of local adaptations, resource sharing, and community organization. Social information use is expected to be selective, but the conditions promoting it in an interspecific context are not well known. Here, we experimentally test whether pied flycatchers (Ficedula hypoleuca) use the clutch size of great tits (Parus major) in determining the quality of the observed individual and use it as a basis of decision making. We show that pied flycatchers copied or rejected a novel nest site feature preference of great tits experimentally manipulated to exhibit high or low fitness (clutch size), respectively. Our results demonstrate that the social transmission of behaviors across species can be highly selective in response to observed fitness, plausibly making the phenomenon adaptive. In contrast with the current theory of species coexistence, overlap between realized niches of species could dynamically increase or decrease depending on the observed success of surrounding individuals.
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Affiliation(s)
- Olli J Loukola
- Department of Biology, University of Oulu, P.O. Box 3000, 90014 Oulu, Finland
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Krams I, Kokko H, Vrublevska J, Abolins-Abols M, Krama T, Rantala MJ. The excuse principle can maintain cooperation through forgivable defection in the Prisoner's Dilemma game. Proc Biol Sci 2013; 280:20131475. [PMID: 23864603 DOI: 10.1098/rspb.2013.1475] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Reciprocal altruism describes a situation in which an organism acts in a manner that temporarily reduces its fitness while increasing another organism's fitness, but there is an ultimate fitness benefit based on an expectation that the other organism will act in a similar manner at a later time. It creates the obvious dilemma in which there is always a short-term benefit to cheating, therefore cooperating individuals must avoid being exploited by non-cooperating cheaters. This is achieved by following various decision rules, usually variants of the tit-for-tat (TFT) strategy. The strength of TFT, however, is also its weakness-mistakes in implementation or interpretation of moves, or the inability to cooperate, lead to a permanent breakdown in cooperation. We show that pied flycatchers (Ficedula hypoleuca) use a TFT with an embedded 'excuse principle' to forgive the neighbours that were perceived as unable to cooperate during mobbing of predators. The excuse principle dramatically increases the stability of TFT-like behavioural strategies within the Prisoner's Dilemma game.
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Affiliation(s)
- Indrikis Krams
- Institute of Ecology and Earth Sciences, University of Tartu, , 51014 Tartu, Estonia.
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50
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Krams I, Daukšte J, Kivleniece I, Kaasik A, Krama T, Freeberg TM, Rantala MJ. Trade-off between cellular immunity and life span in mealworm beetles Tenebrio molitor. Curr Zool 2013. [DOI: 10.1093/czoolo/59.3.340] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Encapsulation is a nonspecific, cellular response through which insects defend themselves against multicellular pathogens. During this immune reaction, haemocytes recognize an object as foreign and cause other haemocytes to aggregate and form a capsule around the object, often consisting of melanized cells. The process of melanisation is accompanied by the formation of potentially toxic reactive oxygen species, which can kill not only pathogens but also host cells. In this study we tested whether the encapsulation response is costly in mealworm beetles Tenebrio molitor. We found a negative relationship between the duration of implantation via a nylon monofilament and remaining life span. We also found a negative relationship between the strength of immune response and remaining life span, suggesting that cellular immunity is costly in T. molitor, and that there is a trade-off between immune response and remaining life span. However, this relationship disappeared at 31-32 hours of implantation at 25 ± 2°C. As the disappearance of a relationship between duration of implantation and lifespan coincided with the highest values of encapsulation response, we concluded that the beetles stopped investment in the production of melanotic cells, as the implant, a synthetic parasite, was fully isolated from the host’s tissues.
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Affiliation(s)
- Indrikis Krams
- Institute of Systematic Biology, University of Daugavpils, LV-5401, Daugavpils, Latvia
- Institute of Ecology and Earth Sciences, University of Tartu, 51014, Tartu, Estonia
- Department of Biology, University of Turku, FIN-20024, Turku, Finland
| | - Janīna Daukšte
- Institute of Systematic Biology, University of Daugavpils, LV-5401, Daugavpils, Latvia
| | - Inese Kivleniece
- Institute of Systematic Biology, University of Daugavpils, LV-5401, Daugavpils, Latvia
| | - Ants Kaasik
- Institute of Ecology and Earth Sciences, University of Tartu, 51014, Tartu, Estonia
| | - Tatjana Krama
- Institute of Systematic Biology, University of Daugavpils, LV-5401, Daugavpils, Latvia
| | - Todd M. Freeberg
- Department of Psychology, University of Tennessee, TN 37996, Knoxville, USA
| | - Markus J. Rantala
- Department of Biology, University of Turku, FIN-20024, Turku, Finland
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