Major Chromosomal Rearrangements Distinguish Willow and Poplar After the Ancestral "Salicoid" Genome Duplication.
Identifieur interne : 001733 ( Main/Corpus ); précédent : 001732; suivant : 001734Major Chromosomal Rearrangements Distinguish Willow and Poplar After the Ancestral "Salicoid" Genome Duplication.
Auteurs : Jing Hou ; Ning Ye ; Zhongyuan Dong ; Mengzhu Lu ; Laigeng Li ; Tongming YinSource :
- Genome biology and evolution [ 1759-6653 ] ; 2016.
English descriptors
- KwdEn :
- MESH :
- genetics : Chromosomes, Plant, Populus, Salix.
- Chromosome Aberrations, Diploidy, Genome, Plant, Polyploidy.
Abstract
Populus (poplar) and Salix (willow) are sister genera in the Salicaceae family. In both lineages extant species are predominantly diploid. Genome analysis previously revealed that the two lineages originated from a common tetraploid ancestor. In this study, we conducted a syntenic comparison of the corresponding 19 chromosome members of the poplar and willow genomes. Our observations revealed that almost every chromosomal segment had a parallel paralogous segment elsewhere in the genomes, and the two lineages shared a similar syntenic pinwheel pattern for most of the chromosomes, which indicated that the two lineages diverged after the genome reorganization in the common progenitor. The pinwheel patterns showed distinct differences for two chromosome pairs in each lineage. Further analysis detected two major interchromosomal rearrangements that distinguished the karyotypes of willow and poplar. Chromosome I of willow was a conjunction of poplar chromosome XVI and the lower portion of poplar chromosome I, whereas willow chromosome XVI corresponded to the upper portion of poplar chromosome I. Scientists have suggested that Populus is evolutionarily more primitive than Salix. Therefore, we propose that, after the "salicoid" duplication event, fission and fusion of the ancestral chromosomes first give rise to the diploid progenitor of extant Populus species. During the evolutionary process, fission and fusion of poplar chromosomes I and XVI subsequently give rise to the progenitor of extant Salix species. This study contributes to an improved understanding of genome divergence after ancient genome duplication in closely related lineages of higher plants.
DOI: 10.1093/gbe/evw127
PubMed: 27352946
PubMed Central: PMC4943198
Links to Exploration step
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Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China.</nlm:affiliation></affiliation></author><author><name sortKey="Lu, Mengzhu" sort="Lu, Mengzhu" uniqKey="Lu M" first="Mengzhu" last="Lu">Mengzhu Lu</name><affiliation><nlm:affiliation>State Key Laboratory of Tree Genetics and Breeding, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, China.</nlm:affiliation></affiliation></author><author><name sortKey="Li, Laigeng" sort="Li, Laigeng" uniqKey="Li L" first="Laigeng" last="Li">Laigeng Li</name><affiliation><nlm:affiliation>National Key Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.</nlm:affiliation></affiliation></author><author><name sortKey="Yin, Tongming" sort="Yin, Tongming" uniqKey="Yin T" first="Tongming" last="Yin">Tongming Yin</name><affiliation><nlm:affiliation>Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China tmyin@njfu.com.cn.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2016">2016</date><idno type="RBID">pubmed:27352946</idno><idno type="pmid">27352946</idno><idno type="doi">10.1093/gbe/evw127</idno><idno type="pmc">PMC4943198</idno><idno type="wicri:Area/Main/Corpus">001733</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">001733</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Major Chromosomal Rearrangements Distinguish Willow and Poplar After the Ancestral "Salicoid" Genome Duplication.</title><author><name sortKey="Hou, Jing" sort="Hou, Jing" uniqKey="Hou J" first="Jing" last="Hou">Jing Hou</name><affiliation><nlm:affiliation>Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China.</nlm:affiliation></affiliation></author><author><name sortKey="Ye, Ning" sort="Ye, Ning" uniqKey="Ye N" first="Ning" last="Ye">Ning Ye</name><affiliation><nlm:affiliation>Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China.</nlm:affiliation></affiliation></author><author><name sortKey="Dong, Zhongyuan" sort="Dong, Zhongyuan" uniqKey="Dong Z" first="Zhongyuan" last="Dong">Zhongyuan Dong</name><affiliation><nlm:affiliation>Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China.</nlm:affiliation></affiliation></author><author><name sortKey="Lu, Mengzhu" sort="Lu, Mengzhu" uniqKey="Lu M" first="Mengzhu" last="Lu">Mengzhu Lu</name><affiliation><nlm:affiliation>State Key Laboratory of Tree Genetics and Breeding, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, China.</nlm:affiliation></affiliation></author><author><name sortKey="Li, Laigeng" sort="Li, Laigeng" uniqKey="Li L" first="Laigeng" last="Li">Laigeng Li</name><affiliation><nlm:affiliation>National Key Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.</nlm:affiliation></affiliation></author><author><name sortKey="Yin, Tongming" sort="Yin, Tongming" uniqKey="Yin T" first="Tongming" last="Yin">Tongming Yin</name><affiliation><nlm:affiliation>Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China tmyin@njfu.com.cn.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Genome biology and evolution</title><idno type="eISSN">1759-6653</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Chromosome Aberrations (MeSH)</term><term>Chromosomes, Plant (genetics)</term><term>Diploidy (MeSH)</term><term>Genome, Plant (MeSH)</term><term>Polyploidy (MeSH)</term><term>Populus (genetics)</term><term>Salix (genetics)</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Chromosomes, Plant</term><term>Populus</term><term>Salix</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Chromosome Aberrations</term><term>Diploidy</term><term>Genome, Plant</term><term>Polyploidy</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Populus (poplar) and Salix (willow) are sister genera in the Salicaceae family. In both lineages extant species are predominantly diploid. Genome analysis previously revealed that the two lineages originated from a common tetraploid ancestor. In this study, we conducted a syntenic comparison of the corresponding 19 chromosome members of the poplar and willow genomes. Our observations revealed that almost every chromosomal segment had a parallel paralogous segment elsewhere in the genomes, and the two lineages shared a similar syntenic pinwheel pattern for most of the chromosomes, which indicated that the two lineages diverged after the genome reorganization in the common progenitor. The pinwheel patterns showed distinct differences for two chromosome pairs in each lineage. Further analysis detected two major interchromosomal rearrangements that distinguished the karyotypes of willow and poplar. Chromosome I of willow was a conjunction of poplar chromosome XVI and the lower portion of poplar chromosome I, whereas willow chromosome XVI corresponded to the upper portion of poplar chromosome I. Scientists have suggested that Populus is evolutionarily more primitive than Salix. Therefore, we propose that, after the "salicoid" duplication event, fission and fusion of the ancestral chromosomes first give rise to the diploid progenitor of extant Populus species. During the evolutionary process, fission and fusion of poplar chromosomes I and XVI subsequently give rise to the progenitor of extant Salix species. This study contributes to an improved understanding of genome divergence after ancient genome duplication in closely related lineages of higher plants.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">27352946</PMID><DateCompleted><Year>2017</Year><Month>03</Month><Day>06</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">1759-6653</ISSN><JournalIssue CitedMedium="Internet"><Volume>8</Volume><Issue>6</Issue><PubDate><Year>2016</Year><Month>06</Month><Day>27</Day></PubDate></JournalIssue><Title>Genome biology and evolution</Title><ISOAbbreviation>Genome Biol Evol</ISOAbbreviation></Journal><ArticleTitle>Major Chromosomal Rearrangements Distinguish Willow and Poplar After the Ancestral "Salicoid" Genome Duplication.</ArticleTitle><Pagination><MedlinePgn>1868-75</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/gbe/evw127</ELocationID><Abstract><AbstractText>Populus (poplar) and Salix (willow) are sister genera in the Salicaceae family. In both lineages extant species are predominantly diploid. Genome analysis previously revealed that the two lineages originated from a common tetraploid ancestor. In this study, we conducted a syntenic comparison of the corresponding 19 chromosome members of the poplar and willow genomes. Our observations revealed that almost every chromosomal segment had a parallel paralogous segment elsewhere in the genomes, and the two lineages shared a similar syntenic pinwheel pattern for most of the chromosomes, which indicated that the two lineages diverged after the genome reorganization in the common progenitor. The pinwheel patterns showed distinct differences for two chromosome pairs in each lineage. Further analysis detected two major interchromosomal rearrangements that distinguished the karyotypes of willow and poplar. Chromosome I of willow was a conjunction of poplar chromosome XVI and the lower portion of poplar chromosome I, whereas willow chromosome XVI corresponded to the upper portion of poplar chromosome I. Scientists have suggested that Populus is evolutionarily more primitive than Salix. Therefore, we propose that, after the "salicoid" duplication event, fission and fusion of the ancestral chromosomes first give rise to the diploid progenitor of extant Populus species. During the evolutionary process, fission and fusion of poplar chromosomes I and XVI subsequently give rise to the progenitor of extant Salix species. This study contributes to an improved understanding of genome divergence after ancient genome duplication in closely related lineages of higher plants.</AbstractText><CopyrightInformation>© The Author(s) 2016. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Hou</LastName><ForeName>Jing</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ye</LastName><ForeName>Ning</ForeName><Initials>N</Initials><AffiliationInfo><Affiliation>Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Dong</LastName><ForeName>Zhongyuan</ForeName><Initials>Z</Initials><AffiliationInfo><Affiliation>Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lu</LastName><ForeName>Mengzhu</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Tree Genetics and Breeding, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Laigeng</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>National Key Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yin</LastName><ForeName>Tongming</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China tmyin@njfu.com.cn.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>06</Month><Day>27</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Genome Biol Evol</MedlineTA><NlmUniqueID>101509707</NlmUniqueID><ISSNLinking>1759-6653</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002869" MajorTopicYN="N">Chromosome Aberrations</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032461" MajorTopicYN="N">Chromosomes, Plant</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004171" MajorTopicYN="N">Diploidy</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018745" MajorTopicYN="N">Genome, 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