Outbreaks, gene flow and effective population size in the migratory locust, Locusta migratoria: a regional‐scale comparative survey
Identifieur interne : 001343 ( Istex/Curation ); précédent : 001342; suivant : 001344Outbreaks, gene flow and effective population size in the migratory locust, Locusta migratoria: a regional‐scale comparative survey
Auteurs : Marie-Pierre Chapuis [France, Australie] ; Anne Loiseau [France] ; Yannis Michalakis [France] ; Michel Lecoq [France] ; Alex Franc [France] ; Arnaud Estoup [France]Source :
- Molecular Ecology [ 0962-1083 ] ; 2009-03.
Descripteurs français
- Wicri :
- geographic : Madagascar.
- topic : écologie, Génétique, Densité de population, Dynamique de la population, Migration saisonnière.
English descriptors
- KwdEn :
- Agricultural pest, Allele, Bayesian, Bayesian analysis, Blackwell publishing, Bootstrap resampling procedure, Chapuis, Chapuis estoup, Chinese populations, Colonization events, Comparative survey, Confidence intervals, Criquet migrateur malgache, Demographic fluctuations, Demographic parameters, Desert locust, Different population sets, Ecological, Ecological factors, Ecology, Effective population size, Effective population sizes, Effective size, Estoup, Exact tests, Foll gaggiotti, Gaggiotti, Gene flow, Genetic, Genetic differentiation, Genetic diversity, Genetic markers, Genetic structure, Genetic variation, Genetics, Geographical isolation, Gregaria, Gregarious populations, Heterozygosity, Hierarchical bayesian method, High levels, Higher gene flow, Historical patterns, Homogenizing, Homogenizing effect, Intense outbreak events, Large amount, Large areas, Last century, Latter method, Lecoq, Locus, Locust, Locusta, Locusta migratoria, Locusta migratoria manilensis meyen, Locusta migratoria migratoria, Lower level, Madagascar, Major importance, Management strategies, Microsatellite, Microsatellite data, Migration rate, Migration rates, Migratoria, Migratoria populations, Migratory, Migratory locust, Moderate increase, Molecular ecology, Molecular ecology notes, More details, Motro thomson, Multilocus genotypes, National academy, Northern china, Null alleles, Outbreak, Outbreak event, Outbreak events, Outbreak period, Outbreaking, Outbreaking areas, Outbreaking population sets, Outbreaking populations, Palavas, Palavas form, Palavas partie, Personal communication, Pest species, Phase solitaire, Population clusters, Population density, Population differentiation, Population dynamics, Population outbreaks, Population samples, Population sets, Population size, Population sizes, Population structure, Present study, Preventive control, Recherche, Recherche agronomique, Remission period, Schistocerca gregaria, Seasonal migration, Solitarious, Solitarious populations, Southern part, Species range, Temporal heterogeneities, Western europe, Western european populations, Widespread outbreaks, Wilson rannala, Worldwide sampling scheme.
- Teeft :
- Agricultural pest, Allele, Bayesian, Bayesian analysis, Blackwell publishing, Bootstrap resampling procedure, Chapuis, Chapuis estoup, Chinese populations, Colonization events, Comparative survey, Confidence intervals, Criquet migrateur malgache, Demographic fluctuations, Demographic parameters, Desert locust, Different population sets, Ecological, Ecological factors, Ecology, Effective population size, Effective population sizes, Effective size, Estoup, Exact tests, Foll gaggiotti, Gaggiotti, Gene flow, Genetic, Genetic differentiation, Genetic diversity, Genetic markers, Genetic structure, Genetic variation, Genetics, Geographical isolation, Gregaria, Gregarious populations, Heterozygosity, Hierarchical bayesian method, High levels, Higher gene flow, Historical patterns, Homogenizing, Homogenizing effect, Intense outbreak events, Large amount, Large areas, Last century, Latter method, Lecoq, Locus, Locust, Locusta, Locusta migratoria, Locusta migratoria manilensis meyen, Locusta migratoria migratoria, Lower level, Madagascar, Major importance, Management strategies, Microsatellite, Microsatellite data, Migration rate, Migration rates, Migratoria, Migratoria populations, Migratory, Migratory locust, Moderate increase, Molecular ecology, Molecular ecology notes, More details, Motro thomson, Multilocus genotypes, National academy, Northern china, Null alleles, Outbreak, Outbreak event, Outbreak events, Outbreak period, Outbreaking, Outbreaking areas, Outbreaking population sets, Outbreaking populations, Palavas, Palavas form, Palavas partie, Personal communication, Pest species, Phase solitaire, Population clusters, Population density, Population differentiation, Population dynamics, Population outbreaks, Population samples, Population sets, Population size, Population sizes, Population structure, Present study, Preventive control, Recherche, Recherche agronomique, Remission period, Schistocerca gregaria, Seasonal migration, Solitarious, Solitarious populations, Southern part, Species range, Temporal heterogeneities, Western europe, Western european populations, Widespread outbreaks, Wilson rannala, Worldwide sampling scheme.
Abstract
The potential effect of population outbreaks on within and between genetic variation of populations in pest species has rarely been assessed. In this study, we compare patterns of genetic variation in different sets of historically frequently outbreaking and rarely outbreaking populations of an agricultural pest of major importance, the migratory locust, Locusta migratoria. We analyse genetic variation within and between 24 populations at 14 microsatellites in Western Europe, where only ancient and low‐intensity outbreaks have been reported (non‐outbreaking populations), and in Madagascar and Northern China, where frequent and intense outbreak events have been recorded over the last century (outbreaking populations). Our comparative survey shows that (i) the long‐term effective population size is similar in outbreaking and non‐outbreaking populations, as evidenced by similar estimates of genetic diversity, and (ii) gene flow is substantially larger among outbreaking populations than among non‐outbreaking populations, as evidenced by a fourfold to 30‐fold difference in FST values. We discuss the implications for population dynamics and the consequences for management strategies of the observed patterns of genetic variation in L. migratoria populations with contrasting historical outbreak frequency and extent.
Url:
DOI: 10.1111/j.1365-294X.2008.04072.x
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ISTEX:67754108727687BB9CD46A12F60798F6F7B13038Le document en format XML
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Agricultural pest</term>
<term>Allele</term>
<term>Bayesian</term>
<term>Bayesian analysis</term>
<term>Blackwell publishing</term>
<term>Bootstrap resampling procedure</term>
<term>Chapuis</term>
<term>Chapuis estoup</term>
<term>Chinese populations</term>
<term>Colonization events</term>
<term>Comparative survey</term>
<term>Confidence intervals</term>
<term>Criquet migrateur malgache</term>
<term>Demographic fluctuations</term>
<term>Demographic parameters</term>
<term>Desert locust</term>
<term>Different population sets</term>
<term>Ecological</term>
<term>Ecological factors</term>
<term>Ecology</term>
<term>Effective population size</term>
<term>Effective population sizes</term>
<term>Effective size</term>
<term>Estoup</term>
<term>Exact tests</term>
<term>Foll gaggiotti</term>
<term>Gaggiotti</term>
<term>Gene flow</term>
<term>Genetic</term>
<term>Genetic differentiation</term>
<term>Genetic diversity</term>
<term>Genetic markers</term>
<term>Genetic structure</term>
<term>Genetic variation</term>
<term>Genetics</term>
<term>Geographical isolation</term>
<term>Gregaria</term>
<term>Gregarious populations</term>
<term>Heterozygosity</term>
<term>Hierarchical bayesian method</term>
<term>High levels</term>
<term>Higher gene flow</term>
<term>Historical patterns</term>
<term>Homogenizing</term>
<term>Homogenizing effect</term>
<term>Intense outbreak events</term>
<term>Large amount</term>
<term>Large areas</term>
<term>Last century</term>
<term>Latter method</term>
<term>Lecoq</term>
<term>Locus</term>
<term>Locust</term>
<term>Locusta</term>
<term>Locusta migratoria</term>
<term>Locusta migratoria manilensis meyen</term>
<term>Locusta migratoria migratoria</term>
<term>Lower level</term>
<term>Madagascar</term>
<term>Major importance</term>
<term>Management strategies</term>
<term>Microsatellite</term>
<term>Microsatellite data</term>
<term>Migration rate</term>
<term>Migration rates</term>
<term>Migratoria</term>
<term>Migratoria populations</term>
<term>Migratory</term>
<term>Migratory locust</term>
<term>Moderate increase</term>
<term>Molecular ecology</term>
<term>Molecular ecology notes</term>
<term>More details</term>
<term>Motro thomson</term>
<term>Multilocus genotypes</term>
<term>National academy</term>
<term>Northern china</term>
<term>Null alleles</term>
<term>Outbreak</term>
<term>Outbreak event</term>
<term>Outbreak events</term>
<term>Outbreak period</term>
<term>Outbreaking</term>
<term>Outbreaking areas</term>
<term>Outbreaking population sets</term>
<term>Outbreaking populations</term>
<term>Palavas</term>
<term>Palavas form</term>
<term>Palavas partie</term>
<term>Personal communication</term>
<term>Pest species</term>
<term>Phase solitaire</term>
<term>Population clusters</term>
<term>Population density</term>
<term>Population differentiation</term>
<term>Population dynamics</term>
<term>Population outbreaks</term>
<term>Population samples</term>
<term>Population sets</term>
<term>Population size</term>
<term>Population sizes</term>
<term>Population structure</term>
<term>Present study</term>
<term>Preventive control</term>
<term>Recherche</term>
<term>Recherche agronomique</term>
<term>Remission period</term>
<term>Schistocerca gregaria</term>
<term>Seasonal migration</term>
<term>Solitarious</term>
<term>Solitarious populations</term>
<term>Southern part</term>
<term>Species range</term>
<term>Temporal heterogeneities</term>
<term>Western europe</term>
<term>Western european populations</term>
<term>Widespread outbreaks</term>
<term>Wilson rannala</term>
<term>Worldwide sampling scheme</term>
</keywords>
<keywords scheme="Teeft" xml:lang="en"><term>Agricultural pest</term>
<term>Allele</term>
<term>Bayesian</term>
<term>Bayesian analysis</term>
<term>Blackwell publishing</term>
<term>Bootstrap resampling procedure</term>
<term>Chapuis</term>
<term>Chapuis estoup</term>
<term>Chinese populations</term>
<term>Colonization events</term>
<term>Comparative survey</term>
<term>Confidence intervals</term>
<term>Criquet migrateur malgache</term>
<term>Demographic fluctuations</term>
<term>Demographic parameters</term>
<term>Desert locust</term>
<term>Different population sets</term>
<term>Ecological</term>
<term>Ecological factors</term>
<term>Ecology</term>
<term>Effective population size</term>
<term>Effective population sizes</term>
<term>Effective size</term>
<term>Estoup</term>
<term>Exact tests</term>
<term>Foll gaggiotti</term>
<term>Gaggiotti</term>
<term>Gene flow</term>
<term>Genetic</term>
<term>Genetic differentiation</term>
<term>Genetic diversity</term>
<term>Genetic markers</term>
<term>Genetic structure</term>
<term>Genetic variation</term>
<term>Genetics</term>
<term>Geographical isolation</term>
<term>Gregaria</term>
<term>Gregarious populations</term>
<term>Heterozygosity</term>
<term>Hierarchical bayesian method</term>
<term>High levels</term>
<term>Higher gene flow</term>
<term>Historical patterns</term>
<term>Homogenizing</term>
<term>Homogenizing effect</term>
<term>Intense outbreak events</term>
<term>Large amount</term>
<term>Large areas</term>
<term>Last century</term>
<term>Latter method</term>
<term>Lecoq</term>
<term>Locus</term>
<term>Locust</term>
<term>Locusta</term>
<term>Locusta migratoria</term>
<term>Locusta migratoria manilensis meyen</term>
<term>Locusta migratoria migratoria</term>
<term>Lower level</term>
<term>Madagascar</term>
<term>Major importance</term>
<term>Management strategies</term>
<term>Microsatellite</term>
<term>Microsatellite data</term>
<term>Migration rate</term>
<term>Migration rates</term>
<term>Migratoria</term>
<term>Migratoria populations</term>
<term>Migratory</term>
<term>Migratory locust</term>
<term>Moderate increase</term>
<term>Molecular ecology</term>
<term>Molecular ecology notes</term>
<term>More details</term>
<term>Motro thomson</term>
<term>Multilocus genotypes</term>
<term>National academy</term>
<term>Northern china</term>
<term>Null alleles</term>
<term>Outbreak</term>
<term>Outbreak event</term>
<term>Outbreak events</term>
<term>Outbreak period</term>
<term>Outbreaking</term>
<term>Outbreaking areas</term>
<term>Outbreaking population sets</term>
<term>Outbreaking populations</term>
<term>Palavas</term>
<term>Palavas form</term>
<term>Palavas partie</term>
<term>Personal communication</term>
<term>Pest species</term>
<term>Phase solitaire</term>
<term>Population clusters</term>
<term>Population density</term>
<term>Population differentiation</term>
<term>Population dynamics</term>
<term>Population outbreaks</term>
<term>Population samples</term>
<term>Population sets</term>
<term>Population size</term>
<term>Population sizes</term>
<term>Population structure</term>
<term>Present study</term>
<term>Preventive control</term>
<term>Recherche</term>
<term>Recherche agronomique</term>
<term>Remission period</term>
<term>Schistocerca gregaria</term>
<term>Seasonal migration</term>
<term>Solitarious</term>
<term>Solitarious populations</term>
<term>Southern part</term>
<term>Species range</term>
<term>Temporal heterogeneities</term>
<term>Western europe</term>
<term>Western european populations</term>
<term>Widespread outbreaks</term>
<term>Wilson rannala</term>
<term>Worldwide sampling scheme</term>
</keywords>
<keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Madagascar</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>écologie</term>
<term>Génétique</term>
<term>Densité de population</term>
<term>Dynamique de la population</term>
<term>Migration saisonnière</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">The potential effect of population outbreaks on within and between genetic variation of populations in pest species has rarely been assessed. In this study, we compare patterns of genetic variation in different sets of historically frequently outbreaking and rarely outbreaking populations of an agricultural pest of major importance, the migratory locust, Locusta migratoria. We analyse genetic variation within and between 24 populations at 14 microsatellites in Western Europe, where only ancient and low‐intensity outbreaks have been reported (non‐outbreaking populations), and in Madagascar and Northern China, where frequent and intense outbreak events have been recorded over the last century (outbreaking populations). Our comparative survey shows that (i) the long‐term effective population size is similar in outbreaking and non‐outbreaking populations, as evidenced by similar estimates of genetic diversity, and (ii) gene flow is substantially larger among outbreaking populations than among non‐outbreaking populations, as evidenced by a fourfold to 30‐fold difference in FST values. We discuss the implications for population dynamics and the consequences for management strategies of the observed patterns of genetic variation in L. migratoria populations with contrasting historical outbreak frequency and extent.</div>
</front>
</TEI>
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