Clonal mixing in the soldier-producing aphid Pemphigus spyrothecae (Hemiptera: Aphididae).
Identifieur interne : 004615 ( Main/Curation ); précédent : 004614; suivant : 004616Clonal mixing in the soldier-producing aphid Pemphigus spyrothecae (Hemiptera: Aphididae).
Auteurs : Paul C D. Johnson [Royaume-Uni] ; John A. Whitfield ; William A. Foster ; William AmosSource :
- Molecular ecology [ 0962-1083 ] ; 2002.
Descripteurs français
- KwdFr :
- MESH :
- génétique : Aphides.
- physiologie : Aphides.
- Animaux, Gènes d'insecte, Répétitions microsatellites, Tumeurs végétales.
English descriptors
- KwdEn :
- MESH :
- genetics : Aphids.
- physiology : Aphids.
- Animals, Genes, Insect, Microsatellite Repeats, Plant Tumors.
Abstract
Illuminating the genetic relationships within soldier-producing aphid colonies is an essential element of any attempt to explain the evolution of the altruistic soldier caste. Pemphigus spyrothecae is a soldier-producing aphid that induces galls on the leaf petioles of its host (trees of the genus Populus). At least a quarter of the aphids within the clonally produced gall population are morphologically and behaviourally distinct first-instar soldiers that defend the gall population from predation. Using field trapping and microsatellites, we investigated the degree of clonal mixing within natural gall populations. Field trapping in the UK showed that all the migrants of P. spyrothecae and of two other Pemphigus species were wingless first-instar soldiers. The average degree of mixing estimated from trapping P. spyrothecae migrants was 0.68% (range = 0-15%). Microsatellite genotyping of 277 aphids from 13 galls collected in Italy revealed an average mixing level of 10.4% (range = 0-59%). Six galls contained more than one clone (range = 2-5 clones). Non-kin aphids were not restricted to the soldier caste but were evenly distributed across instars. An additional gall, from which 527 occupants were genotyped, contained 12 non-kin aphids distributed among nine clones, showing that clonal diversity can be high even when mixing is very low. These observations suggest that although soldiers migrate regularly and can moult and reproduce within foreign galls, clonal mixing in this species is generally low and is unlikely to provide a barrier to the evolution of investment by the aphid clones in an altruistic soldier caste.
DOI: 10.1046/j.1365-294x.2002.01530.x
PubMed: 12144671
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Foster</name></author><author><name sortKey="Amos, William" sort="Amos, William" uniqKey="Amos W" first="William" last="Amos">William Amos</name></author></analytic><series><title level="j">Molecular ecology</title><idno type="ISSN">0962-1083</idno><imprint><date when="2002" type="published">2002</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals (MeSH)</term><term>Aphids (genetics)</term><term>Aphids (physiology)</term><term>Genes, Insect (MeSH)</term><term>Microsatellite Repeats (MeSH)</term><term>Plant Tumors (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Animaux (MeSH)</term><term>Aphides (génétique)</term><term>Aphides (physiologie)</term><term>Gènes d'insecte (MeSH)</term><term>Répétitions microsatellites (MeSH)</term><term>Tumeurs végétales (MeSH)</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Aphids</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Aphides</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Aphides</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Aphids</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Genes, Insect</term><term>Microsatellite Repeats</term><term>Plant Tumors</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Animaux</term><term>Gènes d'insecte</term><term>Répétitions microsatellites</term><term>Tumeurs végétales</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Illuminating the genetic relationships within soldier-producing aphid colonies is an essential element of any attempt to explain the evolution of the altruistic soldier caste. Pemphigus spyrothecae is a soldier-producing aphid that induces galls on the leaf petioles of its host (trees of the genus Populus). At least a quarter of the aphids within the clonally produced gall population are morphologically and behaviourally distinct first-instar soldiers that defend the gall population from predation. Using field trapping and microsatellites, we investigated the degree of clonal mixing within natural gall populations. Field trapping in the UK showed that all the migrants of P. spyrothecae and of two other Pemphigus species were wingless first-instar soldiers. The average degree of mixing estimated from trapping P. spyrothecae migrants was 0.68% (range = 0-15%). Microsatellite genotyping of 277 aphids from 13 galls collected in Italy revealed an average mixing level of 10.4% (range = 0-59%). Six galls contained more than one clone (range = 2-5 clones). Non-kin aphids were not restricted to the soldier caste but were evenly distributed across instars. An additional gall, from which 527 occupants were genotyped, contained 12 non-kin aphids distributed among nine clones, showing that clonal diversity can be high even when mixing is very low. These observations suggest that although soldiers migrate regularly and can moult and reproduce within foreign galls, clonal mixing in this species is generally low and is unlikely to provide a barrier to the evolution of investment by the aphid clones in an altruistic soldier caste.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">12144671</PMID><DateCompleted><Year>2002</Year><Month>12</Month><Day>09</Day></DateCompleted><DateRevised><Year>2019</Year><Month>09</Month><Day>16</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0962-1083</ISSN><JournalIssue CitedMedium="Print"><Volume>11</Volume><Issue>8</Issue><PubDate><Year>2002</Year><Month>Aug</Month></PubDate></JournalIssue><Title>Molecular ecology</Title><ISOAbbreviation>Mol Ecol</ISOAbbreviation></Journal><ArticleTitle>Clonal mixing in the soldier-producing aphid Pemphigus spyrothecae (Hemiptera: Aphididae).</ArticleTitle><Pagination><MedlinePgn>1525-31</MedlinePgn></Pagination><Abstract><AbstractText>Illuminating the genetic relationships within soldier-producing aphid colonies is an essential element of any attempt to explain the evolution of the altruistic soldier caste. Pemphigus spyrothecae is a soldier-producing aphid that induces galls on the leaf petioles of its host (trees of the genus Populus). At least a quarter of the aphids within the clonally produced gall population are morphologically and behaviourally distinct first-instar soldiers that defend the gall population from predation. Using field trapping and microsatellites, we investigated the degree of clonal mixing within natural gall populations. Field trapping in the UK showed that all the migrants of P. spyrothecae and of two other Pemphigus species were wingless first-instar soldiers. The average degree of mixing estimated from trapping P. spyrothecae migrants was 0.68% (range = 0-15%). Microsatellite genotyping of 277 aphids from 13 galls collected in Italy revealed an average mixing level of 10.4% (range = 0-59%). Six galls contained more than one clone (range = 2-5 clones). Non-kin aphids were not restricted to the soldier caste but were evenly distributed across instars. An additional gall, from which 527 occupants were genotyped, contained 12 non-kin aphids distributed among nine clones, showing that clonal diversity can be high even when mixing is very low. These observations suggest that although soldiers migrate regularly and can moult and reproduce within foreign galls, clonal mixing in this species is generally low and is unlikely to provide a barrier to the evolution of investment by the aphid clones in an altruistic soldier caste.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Johnson</LastName><ForeName>Paul C D</ForeName><Initials>PC</Initials><AffiliationInfo><Affiliation>Department of Zoology, University of Cambridge, Downing Street, UK. p.johnson@bio.gla.ac.uk</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Whitfield</LastName><ForeName>John A</ForeName><Initials>JA</Initials></Author><Author ValidYN="Y"><LastName>Foster</LastName><ForeName>William A</ForeName><Initials>WA</Initials></Author><Author ValidYN="Y"><LastName>Amos</LastName><ForeName>William</ForeName><Initials>W</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Mol Ecol</MedlineTA><NlmUniqueID>9214478</NlmUniqueID><ISSNLinking>0962-1083</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001042" MajorTopicYN="N">Aphids</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D017344" MajorTopicYN="N">Genes, Insect</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018895" MajorTopicYN="N">Microsatellite Repeats</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010941" MajorTopicYN="N">Plant Tumors</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2002</Year><Month>7</Month><Day>30</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2002</Year><Month>12</Month><Day>10</Day><Hour>4</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2002</Year><Month>7</Month><Day>30</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">12144671</ArticleId><ArticleId IdType="pii">1530</ArticleId><ArticleId IdType="doi">10.1046/j.1365-294x.2002.01530.x</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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