Genetic origin and composition of a natural hybrid poplar Populus × jrtyschensis from two distantly related species.
Identifieur interne : 001865 ( Main/Exploration ); précédent : 001864; suivant : 001866Genetic origin and composition of a natural hybrid poplar Populus × jrtyschensis from two distantly related species.
Auteurs : Dechun Jiang [République populaire de Chine] ; Jianju Feng [République populaire de Chine] ; Miao Dong [République populaire de Chine] ; Guili Wu [République populaire de Chine] ; Kangshan Mao [République populaire de Chine] ; Jianquan Liu [République populaire de Chine]Source :
- BMC plant biology [ 1471-2229 ] ; 2016.
Descripteurs français
- KwdFr :
- ADN des chloroplastes (composition chimique), ADN des chloroplastes (génétique), ADN des plantes (composition chimique), ADN des plantes (génétique), Analyse de séquence d'ADN (MeSH), Flux des gènes (MeSH), Génétique des populations (MeSH), Géographie (MeSH), Haplotypes (MeSH), Hybridation génétique (MeSH), Inondations (MeSH), Noyau de la cellule (génétique), Polymorphisme génétique (MeSH), Populus (classification), Populus (croissance et développement), Populus (génétique), Rivières (MeSH), Répétitions microsatellites (génétique), Spécificité d'espèce (MeSH), Variation génétique (MeSH), Vigueur hybride (génétique), Écosystème (MeSH).
- MESH :
- composition chimique : ADN des chloroplastes, ADN des plantes, Populus.
- croissance et développement : Populus.
- génétique : ADN des chloroplastes, ADN des plantes, Noyau de la cellule, Populus, Répétitions microsatellites, Vigueur hybride.
- Analyse de séquence d'ADN, Flux des gènes, Génétique des populations, Géographie, Haplotypes, Hybridation génétique, Inondations, Polymorphisme génétique, Rivières, Spécificité d'espèce, Variation génétique, Écosystème.
English descriptors
- KwdEn :
- Cell Nucleus (genetics), DNA, Chloroplast (chemistry), DNA, Chloroplast (genetics), DNA, Plant (chemistry), DNA, Plant (genetics), Ecosystem (MeSH), Floods (MeSH), Gene Flow (MeSH), Genetic Variation (MeSH), Genetics, Population (MeSH), Geography (MeSH), Haplotypes (MeSH), Hybrid Vigor (genetics), Hybridization, Genetic (MeSH), Microsatellite Repeats (genetics), Polymorphism, Genetic (MeSH), Populus (classification), Populus (genetics), Populus (growth & development), Rivers (MeSH), Sequence Analysis, DNA (MeSH), Species Specificity (MeSH).
- MESH :
- chemical , chemistry : DNA, Chloroplast, DNA, Plant.
- classification : Populus.
- genetics : Cell Nucleus, DNA, Chloroplast, DNA, Plant, Hybrid Vigor, Microsatellite Repeats, Populus.
- growth & development : Populus.
- Ecosystem, Floods, Gene Flow, Genetic Variation, Genetics, Population, Geography, Haplotypes, Hybridization, Genetic, Polymorphism, Genetic, Rivers, Sequence Analysis, DNA, Species Specificity.
Abstract
BACKGROUND
The factors that contribute to and maintain hybrid zones between distinct species are highly variable, depending on hybrid origins, frequencies and fitness. In this study, we aimed to examine genetic origins, compositions and possible maintenance of Populus × jrtyschensis, an assumed natural hybrid between two distantly related species. This hybrid poplar occurs mainly on the floodplains along the river valleys between the overlapping distributions of the two putative parents.
RESULTS
We collected 566 individuals from 45 typical populations of P. × jrtyschensis, P. nigra and P. laurifolia. We genotyped them based on the sequence variations of one maternally inherited chloroplast DNA (cpDNA) fragment and genetic polymorphisms at 20 SSR loci. We further sequenced eight nuclear genes for 168 individuals from 31 populations. Two groups of cpDNA haplotypes characteristic of P. nigra and P. laurifolia respectively were both recovered for P. × jrtyschensis. Genetic structures and coalescent tests of two sets of nuclear population genetic data suggested that P. × jrtyschensis originated from hybridizations between the two assumed parental species. All examined populations of P. × jrtyschensis comprise mainly F1 hybrids from interspecific hybridizations between P. nigra and P. laurifolia. In the habitats of P. × jrtyschensis, there are lower concentrations of soil nitrogen than in the habitats occupied by the other two species.
CONCLUSIONS
Our extensive examination of the genetic composition of P. × jrtyschensis suggested that it is typical of F1-dominated hybrid zones. This finding plus the low concentration of soil nitrogen in the floodplain soils support the F1-dominated bounded hybrid superiority hypothesis of hybrid zone maintenance for this particular hybrid poplar.
DOI: 10.1186/s12870-016-0776-6
PubMed: 27091174
PubMed Central: PMC4836070
Affiliations:
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wicri:level="1"><nlm:affiliation>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu, People's Republic of China. liujq@lzu.edu.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu</wicri:regionArea><wicri:noRegion>Gansu</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2016">2016</date><idno type="RBID">pubmed:27091174</idno><idno type="pmid">27091174</idno><idno type="doi">10.1186/s12870-016-0776-6</idno><idno type="pmc">PMC4836070</idno><idno type="wicri:Area/Main/Corpus">001835</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">001835</idno><idno type="wicri:Area/Main/Curation">001835</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">001835</idno><idno type="wicri:Area/Main/Exploration">001835</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Genetic origin and composition of a natural hybrid poplar Populus × jrtyschensis from two distantly related species.</title><author><name sortKey="Jiang, Dechun" sort="Jiang, Dechun" uniqKey="Jiang D" first="Dechun" last="Jiang">Dechun Jiang</name><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu, People's Republic of China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu</wicri:regionArea><wicri:noRegion>Gansu</wicri:noRegion></affiliation></author><author><name sortKey="Feng, Jianju" sort="Feng, Jianju" uniqKey="Feng J" first="Jianju" last="Feng">Jianju Feng</name><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu, People's Republic of China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu</wicri:regionArea><wicri:noRegion>Gansu</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>College of Plant Sciences, Xinjiang Production & Construction Corps Key Laboratory of Protection and Utilization of Biological Resources in Tarim Basin, Tarimu University, Alar, Xinjiang, People's Republic of China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Plant Sciences, Xinjiang Production & Construction Corps Key Laboratory of Protection and Utilization of Biological Resources in Tarim Basin, Tarimu University, Alar, Xinjiang</wicri:regionArea><wicri:noRegion>Xinjiang</wicri:noRegion></affiliation></author><author><name sortKey="Dong, Miao" sort="Dong, Miao" uniqKey="Dong M" first="Miao" last="Dong">Miao Dong</name><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu, People's Republic of China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu</wicri:regionArea><wicri:noRegion>Gansu</wicri:noRegion></affiliation></author><author><name sortKey="Wu, Guili" sort="Wu, Guili" uniqKey="Wu G" first="Guili" last="Wu">Guili Wu</name><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu, People's Republic of China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu</wicri:regionArea><wicri:noRegion>Gansu</wicri:noRegion></affiliation></author><author><name sortKey="Mao, Kangshan" sort="Mao, Kangshan" uniqKey="Mao K" first="Kangshan" last="Mao">Kangshan Mao</name><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu, People's Republic of China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu</wicri:regionArea><wicri:noRegion>Gansu</wicri:noRegion></affiliation></author><author><name sortKey="Liu, Jianquan" sort="Liu, Jianquan" uniqKey="Liu J" first="Jianquan" last="Liu">Jianquan Liu</name><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu, People's Republic of China. liujq@lzu.edu.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu</wicri:regionArea><wicri:noRegion>Gansu</wicri:noRegion></affiliation></author></analytic><series><title level="j">BMC plant biology</title><idno type="eISSN">1471-2229</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cell Nucleus (genetics)</term><term>DNA, Chloroplast (chemistry)</term><term>DNA, Chloroplast (genetics)</term><term>DNA, Plant (chemistry)</term><term>DNA, Plant (genetics)</term><term>Ecosystem (MeSH)</term><term>Floods (MeSH)</term><term>Gene Flow (MeSH)</term><term>Genetic Variation (MeSH)</term><term>Genetics, Population (MeSH)</term><term>Geography (MeSH)</term><term>Haplotypes (MeSH)</term><term>Hybrid Vigor (genetics)</term><term>Hybridization, Genetic (MeSH)</term><term>Microsatellite Repeats (genetics)</term><term>Polymorphism, Genetic (MeSH)</term><term>Populus (classification)</term><term>Populus (genetics)</term><term>Populus (growth & development)</term><term>Rivers (MeSH)</term><term>Sequence Analysis, DNA (MeSH)</term><term>Species Specificity (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>ADN des chloroplastes (composition chimique)</term><term>ADN des chloroplastes (génétique)</term><term>ADN des plantes (composition chimique)</term><term>ADN des plantes (génétique)</term><term>Analyse de séquence d'ADN (MeSH)</term><term>Flux des gènes (MeSH)</term><term>Génétique des populations (MeSH)</term><term>Géographie (MeSH)</term><term>Haplotypes (MeSH)</term><term>Hybridation génétique (MeSH)</term><term>Inondations (MeSH)</term><term>Noyau de la cellule (génétique)</term><term>Polymorphisme génétique (MeSH)</term><term>Populus (classification)</term><term>Populus (croissance et développement)</term><term>Populus (génétique)</term><term>Rivières (MeSH)</term><term>Répétitions microsatellites (génétique)</term><term>Spécificité d'espèce (MeSH)</term><term>Variation génétique (MeSH)</term><term>Vigueur hybride (génétique)</term><term>Écosystème (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>DNA, Chloroplast</term><term>DNA, Plant</term></keywords><keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>ADN des chloroplastes</term><term>ADN des plantes</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Cell Nucleus</term><term>DNA, Chloroplast</term><term>DNA, Plant</term><term>Hybrid Vigor</term><term>Microsatellite Repeats</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>ADN des chloroplastes</term><term>ADN des plantes</term><term>Noyau de la cellule</term><term>Populus</term><term>Répétitions microsatellites</term><term>Vigueur hybride</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Ecosystem</term><term>Floods</term><term>Gene Flow</term><term>Genetic Variation</term><term>Genetics, Population</term><term>Geography</term><term>Haplotypes</term><term>Hybridization, Genetic</term><term>Polymorphism, Genetic</term><term>Rivers</term><term>Sequence Analysis, DNA</term><term>Species Specificity</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Analyse de séquence d'ADN</term><term>Flux des gènes</term><term>Génétique des populations</term><term>Géographie</term><term>Haplotypes</term><term>Hybridation génétique</term><term>Inondations</term><term>Polymorphisme génétique</term><term>Rivières</term><term>Spécificité d'espèce</term><term>Variation génétique</term><term>Écosystème</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p><b>BACKGROUND</b></p><p>The factors that contribute to and maintain hybrid zones between distinct species are highly variable, depending on hybrid origins, frequencies and fitness. In this study, we aimed to examine genetic origins, compositions and possible maintenance of Populus × jrtyschensis, an assumed natural hybrid between two distantly related species. This hybrid poplar occurs mainly on the floodplains along the river valleys between the overlapping distributions of the two putative parents.</p></div><div type="abstract" xml:lang="en"><p><b>RESULTS</b></p><p>We collected 566 individuals from 45 typical populations of P. × jrtyschensis, P. nigra and P. laurifolia. We genotyped them based on the sequence variations of one maternally inherited chloroplast DNA (cpDNA) fragment and genetic polymorphisms at 20 SSR loci. We further sequenced eight nuclear genes for 168 individuals from 31 populations. Two groups of cpDNA haplotypes characteristic of P. nigra and P. laurifolia respectively were both recovered for P. × jrtyschensis. Genetic structures and coalescent tests of two sets of nuclear population genetic data suggested that P. × jrtyschensis originated from hybridizations between the two assumed parental species. All examined populations of P. × jrtyschensis comprise mainly F1 hybrids from interspecific hybridizations between P. nigra and P. laurifolia. In the habitats of P. × jrtyschensis, there are lower concentrations of soil nitrogen than in the habitats occupied by the other two species.</p></div><div type="abstract" xml:lang="en"><p><b>CONCLUSIONS</b></p><p>Our extensive examination of the genetic composition of P. × jrtyschensis suggested that it is typical of F1-dominated hybrid zones. This finding plus the low concentration of soil nitrogen in the floodplain soils support the F1-dominated bounded hybrid superiority hypothesis of hybrid zone maintenance for this particular hybrid poplar.</p></div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">27091174</PMID><DateCompleted><Year>2016</Year><Month>12</Month><Day>13</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">1471-2229</ISSN><JournalIssue CitedMedium="Internet"><Volume>16</Volume><PubDate><Year>2016</Year><Month>Apr</Month><Day>18</Day></PubDate></JournalIssue><Title>BMC plant biology</Title><ISOAbbreviation>BMC Plant Biol</ISOAbbreviation></Journal><ArticleTitle>Genetic origin and composition of a natural hybrid poplar Populus × jrtyschensis from two distantly related species.</ArticleTitle><Pagination><MedlinePgn>89</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1186/s12870-016-0776-6</ELocationID><Abstract><AbstractText Label="BACKGROUND" NlmCategory="BACKGROUND">The factors that contribute to and maintain hybrid zones between distinct species are highly variable, depending on hybrid origins, frequencies and fitness. In this study, we aimed to examine genetic origins, compositions and possible maintenance of Populus × jrtyschensis, an assumed natural hybrid between two distantly related species. This hybrid poplar occurs mainly on the floodplains along the river valleys between the overlapping distributions of the two putative parents.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">We collected 566 individuals from 45 typical populations of P. × jrtyschensis, P. nigra and P. laurifolia. We genotyped them based on the sequence variations of one maternally inherited chloroplast DNA (cpDNA) fragment and genetic polymorphisms at 20 SSR loci. We further sequenced eight nuclear genes for 168 individuals from 31 populations. Two groups of cpDNA haplotypes characteristic of P. nigra and P. laurifolia respectively were both recovered for P. × jrtyschensis. Genetic structures and coalescent tests of two sets of nuclear population genetic data suggested that P. × jrtyschensis originated from hybridizations between the two assumed parental species. All examined populations of P. × jrtyschensis comprise mainly F1 hybrids from interspecific hybridizations between P. nigra and P. laurifolia. In the habitats of P. × jrtyschensis, there are lower concentrations of soil nitrogen than in the habitats occupied by the other two species.</AbstractText><AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">Our extensive examination of the genetic composition of P. × jrtyschensis suggested that it is typical of F1-dominated hybrid zones. This finding plus the low concentration of soil nitrogen in the floodplain soils support the F1-dominated bounded hybrid superiority hypothesis of hybrid zone maintenance for this particular hybrid poplar.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Jiang</LastName><ForeName>Dechun</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu, People's Republic of China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Feng</LastName><ForeName>Jianju</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu, People's Republic of China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>College of Plant Sciences, Xinjiang Production & Construction Corps Key Laboratory of Protection and Utilization of Biological Resources in Tarim Basin, Tarimu University, Alar, Xinjiang, People's Republic of China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Dong</LastName><ForeName>Miao</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu, People's Republic of China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wu</LastName><ForeName>Guili</ForeName><Initials>G</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu, People's Republic of China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Mao</LastName><ForeName>Kangshan</ForeName><Initials>K</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu, People's Republic of China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Liu</LastName><ForeName>Jianquan</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Grassland Agro-Ecosystem, School of Life Sciences, Lanzhou University, Lanzhou, Gansu, People's Republic of China. liujq@lzu.edu.cn.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>04</Month><Day>18</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>BMC Plant Biol</MedlineTA><NlmUniqueID>100967807</NlmUniqueID><ISSNLinking>1471-2229</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D018742">DNA, 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MajorTopicYN="N">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D055868" MajorTopicYN="N">Floods</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D051456" MajorTopicYN="N">Gene Flow</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014644" MajorTopicYN="Y">Genetic Variation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005828" MajorTopicYN="N">Genetics, Population</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005843" MajorTopicYN="N">Geography</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006239" MajorTopicYN="N">Haplotypes</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006823" MajorTopicYN="N">Hybrid Vigor</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006824" MajorTopicYN="N">Hybridization, Genetic</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018895" 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Dong</name><name sortKey="Feng, Jianju" sort="Feng, Jianju" uniqKey="Feng J" first="Jianju" last="Feng">Jianju Feng</name><name sortKey="Feng, Jianju" sort="Feng, Jianju" uniqKey="Feng J" first="Jianju" last="Feng">Jianju Feng</name><name sortKey="Liu, Jianquan" sort="Liu, Jianquan" uniqKey="Liu J" first="Jianquan" last="Liu">Jianquan Liu</name><name sortKey="Mao, Kangshan" sort="Mao, Kangshan" uniqKey="Mao K" first="Kangshan" last="Mao">Kangshan Mao</name><name sortKey="Wu, Guili" sort="Wu, Guili" uniqKey="Wu G" first="Guili" last="Wu">Guili Wu</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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