Functional genomics of life history variation in a butterfly metapopulation
In fragmented landscapes, small populations frequently go extinct and new ones are established with poorly understood consequences for genetic diversity and evolution of life history traits. Here, we apply functional genomic tools to an ecological model system, the well‐studied metapopulation of the...
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| Veröffentlicht in: | Molecular ecology 2011-05, Vol.20 (9), p.1813-1828 |
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| creator | WHEAT, CHRISTOPHER W. FESCEMYER, HOWARD W. KVIST, J. TAS, EVA VERA, J. CRISTOBAL FRILANDER, MIKKO J. HANSKI, ILKKA MARDEN, JAMES H. |
| description | In fragmented landscapes, small populations frequently go extinct and new ones are established with poorly understood consequences for genetic diversity and evolution of life history traits. Here, we apply functional genomic tools to an ecological model system, the well‐studied metapopulation of the Glanville fritillary butterfly. We investigate how dispersal and colonization select upon existing genetic variation affecting life history traits by comparing common‐garden reared 2‐day adult females from new populations with those from established older populations. New‐population females had higher expression of abdomen genes involved in egg provisioning and thorax genes involved in the maintenance of flight muscle proteins. Physiological studies confirmed that new‐population butterflies have accelerated egg maturation, apparently regulated by higher juvenile hormone titer and angiotensin converting enzyme mRNA, as well as enhanced flight metabolism. Gene expression varied between allelic forms of two metabolic genes (Pgi and Sdhd), which themselves were associated with differences in flight metabolic rate, population age and population growth rate. These results identify likely molecular mechanisms underpinning life history variation that is maintained by extinction–colonization dynamics in metapopulations. |
| doi_str_mv | 10.1111/j.1365-294X.2011.05062.x |
| format | Article |
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Physiological studies confirmed that new‐population butterflies have accelerated egg maturation, apparently regulated by higher juvenile hormone titer and angiotensin converting enzyme mRNA, as well as enhanced flight metabolism. Gene expression varied between allelic forms of two metabolic genes (Pgi and Sdhd), which themselves were associated with differences in flight metabolic rate, population age and population growth rate. 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CRISTOBAL</creatorcontrib><creatorcontrib>FRILANDER, MIKKO J.</creatorcontrib><creatorcontrib>HANSKI, ILKKA</creatorcontrib><creatorcontrib>MARDEN, JAMES H.</creatorcontrib><title>Functional genomics of life history variation in a butterfly metapopulation</title><title>Molecular ecology</title><addtitle>Mol Ecol</addtitle><description>In fragmented landscapes, small populations frequently go extinct and new ones are established with poorly understood consequences for genetic diversity and evolution of life history traits. Here, we apply functional genomic tools to an ecological model system, the well‐studied metapopulation of the Glanville fritillary butterfly. We investigate how dispersal and colonization select upon existing genetic variation affecting life history traits by comparing common‐garden reared 2‐day adult females from new populations with those from established older populations. 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These results identify likely molecular mechanisms underpinning life history variation that is maintained by extinction–colonization dynamics in metapopulations.</description><subject>Animal populations</subject><subject>Animals</subject><subject>Butterflies & moths</subject><subject>Butterflies - genetics</subject><subject>Butterflies - metabolism</subject><subject>Butterflies - physiology</subject><subject>Cytochrome P-450 Enzyme System - genetics</subject><subject>ecological genomics</subject><subject>Ecosystem</subject><subject>Energy Metabolism</subject><subject>Female</subject><subject>Flight, Animal</subject><subject>Gene Expression</subject><subject>Genetic Variation</subject><subject>Genomics</subject><subject>Glanville fritillary</subject><subject>Glucose-6-Phosphate Isomerase - genetics</subject><subject>Glucose-6-Phosphate Isomerase - metabolism</subject><subject>Intramolecular Oxidoreductases - genetics</subject><subject>Juvenile Hormones - genetics</subject><subject>Juvenile Hormones - physiology</subject><subject>microarray</subject><subject>mixed model analysis</subject><subject>Peptidyl-Dipeptidase A - genetics</subject><subject>physiological ecology</subject><subject>polymorphism</subject><subject>Population Dynamics</subject><subject>reproduction</subject><subject>Succinate Dehydrogenase - genetics</subject><subject>Succinate Dehydrogenase - metabolism</subject><issn>0962-1083</issn><issn>1365-294X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkTtz1DAUhTUMDNkE_gKjoaGy0dtSQcEseTAJ0MAknUaWJdBiW4tkw-6_R86GLahyG93R_c4pzgEAYlTjMm83NaaCV0Sxu5ogjGvEkSD17glYHQ9PwQopQSqMJD0BpzlvEMKUcP4cnBDMyjcSK3B9MY92CnE0PfzuxjgEm2H0sA_ewR8hTzHt4W-TglkgGEZoYDtPk0u-38PBTWYbt3N_f30BnnnTZ_fy4T0D3y7Ov66vqpsvlx_X728qyyUmFWkY9tgjJQUjLWs9NbajzhppOsGN6FyDO8V457ziyDSSUdVZhpu2tZIwR8_Am4PvNsVfs8uTHkK2ru_N6OKctRSKSyQFfQRJiGyUkIV8_R-5iXMqqSwQlgvWFEgeIJtizsl5vU1hMGmvMdJLMXqjl_z1kr9eitH3xehdkb568J_bwXVH4b8mCvDuAPwJvds_2lh_Ol8vW9FXB33pzO2OepN-atHQhuvbz5daqGt6y-8-aEH_AlMCq18</recordid><startdate>201105</startdate><enddate>201105</enddate><creator>WHEAT, CHRISTOPHER W.</creator><creator>FESCEMYER, HOWARD W.</creator><creator>KVIST, J.</creator><creator>TAS, EVA</creator><creator>VERA, J. CRISTOBAL</creator><creator>FRILANDER, MIKKO J.</creator><creator>HANSKI, ILKKA</creator><creator>MARDEN, JAMES H.</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7SS</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>201105</creationdate><title>Functional genomics of life history variation in a butterfly metapopulation</title><author>WHEAT, CHRISTOPHER W. ; FESCEMYER, HOWARD W. ; KVIST, J. ; TAS, EVA ; VERA, J. 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CRISTOBAL</au><au>FRILANDER, MIKKO J.</au><au>HANSKI, ILKKA</au><au>MARDEN, JAMES H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Functional genomics of life history variation in a butterfly metapopulation</atitle><jtitle>Molecular ecology</jtitle><addtitle>Mol Ecol</addtitle><date>2011-05</date><risdate>2011</risdate><volume>20</volume><issue>9</issue><spage>1813</spage><epage>1828</epage><pages>1813-1828</pages><issn>0962-1083</issn><eissn>1365-294X</eissn><abstract>In fragmented landscapes, small populations frequently go extinct and new ones are established with poorly understood consequences for genetic diversity and evolution of life history traits. Here, we apply functional genomic tools to an ecological model system, the well‐studied metapopulation of the Glanville fritillary butterfly. We investigate how dispersal and colonization select upon existing genetic variation affecting life history traits by comparing common‐garden reared 2‐day adult females from new populations with those from established older populations. New‐population females had higher expression of abdomen genes involved in egg provisioning and thorax genes involved in the maintenance of flight muscle proteins. Physiological studies confirmed that new‐population butterflies have accelerated egg maturation, apparently regulated by higher juvenile hormone titer and angiotensin converting enzyme mRNA, as well as enhanced flight metabolism. Gene expression varied between allelic forms of two metabolic genes (Pgi and Sdhd), which themselves were associated with differences in flight metabolic rate, population age and population growth rate. 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| ispartof | Molecular ecology, 2011-05, Vol.20 (9), p.1813-1828 |
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| subjects | Animal populations Animals Butterflies & moths Butterflies - genetics Butterflies - metabolism Butterflies - physiology Cytochrome P-450 Enzyme System - genetics ecological genomics Ecosystem Energy Metabolism Female Flight, Animal Gene Expression Genetic Variation Genomics Glanville fritillary Glucose-6-Phosphate Isomerase - genetics Glucose-6-Phosphate Isomerase - metabolism Intramolecular Oxidoreductases - genetics Juvenile Hormones - genetics Juvenile Hormones - physiology microarray mixed model analysis Peptidyl-Dipeptidase A - genetics physiological ecology polymorphism Population Dynamics reproduction Succinate Dehydrogenase - genetics Succinate Dehydrogenase - metabolism |
| title | Functional genomics of life history variation in a butterfly metapopulation |
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