The low fertility of Chinese white poplar: dynamic changes in anatomical structure, endogenous hormone concentrations, and key gene expression in the reproduction of a naturally occurring hybrid.
Identifieur interne : 002457 ( Main/Exploration ); précédent : 002456; suivant : 002458The low fertility of Chinese white poplar: dynamic changes in anatomical structure, endogenous hormone concentrations, and key gene expression in the reproduction of a naturally occurring hybrid.
Auteurs : Kaifeng Ma [République populaire de Chine] ; Yuepeng Song ; Zhen Huang ; Liyuan Lin ; Zhiyi Zhang ; Deqiang ZhangSource :
- Plant cell reports [ 1432-203X ] ; 2013.
Descripteurs français
- KwdFr :
- ARN des plantes (génétique), Acides indolacétiques (métabolisme), Chimère (MeSH), Expression des gènes (MeSH), Facteur de croissance végétal (métabolisme), Fécondité (MeSH), Gibbérellines (métabolisme), Graines (anatomie et histologie), Graines (croissance et développement), Graines (génétique), Graines (physiologie), Hybridation génétique (MeSH), Populus (anatomie et histologie), Populus (croissance et développement), Populus (génétique), Populus (physiologie), Reproduction (MeSH), Régulation de l'expression des gènes végétaux (MeSH), Tube pollinique (anatomie et histologie), Tube pollinique (croissance et développement), Tube pollinique (génétique), Tube pollinique (physiologie).
- MESH :
- anatomie et histologie : Graines, Populus, Tube pollinique.
- croissance et développement : Graines, Populus, Tube pollinique.
- génétique : ARN des plantes, Graines, Populus, Tube pollinique.
- métabolisme : Acides indolacétiques, Facteur de croissance végétal, Gibbérellines.
- physiologie : Graines, Populus, Tube pollinique.
- Chimère, Expression des gènes, Fécondité, Hybridation génétique, Reproduction, Régulation de l'expression des gènes végétaux.
English descriptors
- KwdEn :
- Chimera (MeSH), Fertility (MeSH), Gene Expression (MeSH), Gene Expression Regulation, Plant (MeSH), Gibberellins (metabolism), Hybridization, Genetic (MeSH), Indoleacetic Acids (metabolism), Plant Growth Regulators (metabolism), Pollen Tube (anatomy & histology), Pollen Tube (genetics), Pollen Tube (growth & development), Pollen Tube (physiology), Populus (anatomy & histology), Populus (genetics), Populus (growth & development), Populus (physiology), RNA, Plant (genetics), Reproduction (MeSH), Seeds (anatomy & histology), Seeds (genetics), Seeds (growth & development), Seeds (physiology).
- MESH :
- chemical , genetics : RNA, Plant.
- chemical , metabolism : Gibberellins, Indoleacetic Acids, Plant Growth Regulators.
- anatomy & histology : Pollen Tube, Populus, Seeds.
- genetics : Pollen Tube, Populus, Seeds.
- growth & development : Pollen Tube, Populus, Seeds.
- physiology : Pollen Tube, Populus, Seeds.
- Chimera, Fertility, Gene Expression, Gene Expression Regulation, Plant, Hybridization, Genetic, Reproduction.
Abstract
KEY MESSAGE : We report that low fertility during intraspecific hybridization in Chinese white poplar was caused by prefertilization barriers, reduced ovules, and embryonic abortion. Hormone concentrations and gene expression patterns were also evaluated during the fertilization process. Hybrid vigor holds tremendous potential for yield increases and trait improvement; however, some hybridization combinations within Populus show very low fertility. To explore the causes of this low fertility in intraspecific hybridization of Chinese white poplar, we examined anatomical structure, hormone levels and expression of key genes in two unique crossing combinations of Populus × tomentosa "Pt02" × P. × tomentosa "LM50", and (P. × tomentosa × P. alba cv. bolleana "Ptb") × P. × tomentosa "LM50". The seed set potential in the intraspecific hybridization P. × tomentosa "Pt02" × P. × tomentosa "LM50" was quite low, which was likely caused by prefertilization barriers, reduced ovule numbers, and embryonic abortion in ovaries. During intraspecific hybridization, we found reduced indoleacetic acid (IAA) in pistils, which may cause pollen tube deformations and increased IAA in heart-stage embryos, which may affect embryo development. Gibberellin A3 (GA3) decreased from the zygote dormancy stage to globular-stage embryos, which may be caused by failure of fertilization in specific embryos. The maximum zeatin (Z) concentration was found in heart-stage embryos, but Z concentrations quickly decreased, which may affect endosperm development. Increasing concentrations of abscisic acid (ABA) during zygote dormancy and eight-cell proembryo stages likely induced abscission of the infructescence. High ABA concentrations also regulated embryo maturity. Measurement of genes expression showed that high expression of SRK and/or SLG may result in rejection of pollen by stigmatic papillae through a mechanism, reminiscent of self-incompatibility. Also, low expression of LEC1 and FUS3 may cause embryonic abortion. Identification and eventual bypassing of these barriers may allow future genetic improvement of this key woody crop species.
DOI: 10.1007/s00299-012-1373-2
PubMed: 23224581
Affiliations:
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Hormone concentrations and gene expression patterns were also evaluated during the fertilization process. Hybrid vigor holds tremendous potential for yield increases and trait improvement; however, some hybridization combinations within Populus show very low fertility. To explore the causes of this low fertility in intraspecific hybridization of Chinese white poplar, we examined anatomical structure, hormone levels and expression of key genes in two unique crossing combinations of Populus × tomentosa "Pt02" × P. × tomentosa "LM50", and (P. × tomentosa × P. alba cv. bolleana "Ptb") × P. × tomentosa "LM50". The seed set potential in the intraspecific hybridization P. × tomentosa "Pt02" × P. × tomentosa "LM50" was quite low, which was likely caused by prefertilization barriers, reduced ovule numbers, and embryonic abortion in ovaries. During intraspecific hybridization, we found reduced indoleacetic acid (IAA) in pistils, which may cause pollen tube deformations and increased IAA in heart-stage embryos, which may affect embryo development. Gibberellin A3 (GA3) decreased from the zygote dormancy stage to globular-stage embryos, which may be caused by failure of fertilization in specific embryos. The maximum zeatin (Z) concentration was found in heart-stage embryos, but Z concentrations quickly decreased, which may affect endosperm development. Increasing concentrations of abscisic acid (ABA) during zygote dormancy and eight-cell proembryo stages likely induced abscission of the infructescence. High ABA concentrations also regulated embryo maturity. Measurement of genes expression showed that high expression of SRK and/or SLG may result in rejection of pollen by stigmatic papillae through a mechanism, reminiscent of self-incompatibility. Also, low expression of LEC1 and FUS3 may cause embryonic abortion. Identification and eventual bypassing of these barriers may allow future genetic improvement of this key woody crop species.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">23224581</PMID><DateCompleted><Year>2013</Year><Month>07</Month><Day>23</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1432-203X</ISSN><JournalIssue CitedMedium="Internet"><Volume>32</Volume><Issue>3</Issue><PubDate><Year>2013</Year><Month>Mar</Month></PubDate></JournalIssue><Title>Plant cell reports</Title><ISOAbbreviation>Plant Cell Rep</ISOAbbreviation></Journal><ArticleTitle>The low fertility of Chinese white poplar: dynamic changes in anatomical structure, endogenous hormone concentrations, and key gene expression in the reproduction of a naturally occurring hybrid.</ArticleTitle><Pagination><MedlinePgn>401-14</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00299-012-1373-2</ELocationID><Abstract><AbstractText>KEY MESSAGE : We report that low fertility during intraspecific hybridization in Chinese white poplar was caused by prefertilization barriers, reduced ovules, and embryonic abortion. Hormone concentrations and gene expression patterns were also evaluated during the fertilization process. Hybrid vigor holds tremendous potential for yield increases and trait improvement; however, some hybridization combinations within Populus show very low fertility. To explore the causes of this low fertility in intraspecific hybridization of Chinese white poplar, we examined anatomical structure, hormone levels and expression of key genes in two unique crossing combinations of Populus × tomentosa "Pt02" × P. × tomentosa "LM50", and (P. × tomentosa × P. alba cv. bolleana "Ptb") × P. × tomentosa "LM50". The seed set potential in the intraspecific hybridization P. × tomentosa "Pt02" × P. × tomentosa "LM50" was quite low, which was likely caused by prefertilization barriers, reduced ovule numbers, and embryonic abortion in ovaries. During intraspecific hybridization, we found reduced indoleacetic acid (IAA) in pistils, which may cause pollen tube deformations and increased IAA in heart-stage embryos, which may affect embryo development. Gibberellin A3 (GA3) decreased from the zygote dormancy stage to globular-stage embryos, which may be caused by failure of fertilization in specific embryos. The maximum zeatin (Z) concentration was found in heart-stage embryos, but Z concentrations quickly decreased, which may affect endosperm development. Increasing concentrations of abscisic acid (ABA) during zygote dormancy and eight-cell proembryo stages likely induced abscission of the infructescence. High ABA concentrations also regulated embryo maturity. Measurement of genes expression showed that high expression of SRK and/or SLG may result in rejection of pollen by stigmatic papillae through a mechanism, reminiscent of self-incompatibility. Also, low expression of LEC1 and FUS3 may cause embryonic abortion. Identification and eventual bypassing of these barriers may allow future genetic improvement of this key woody crop species.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ma</LastName><ForeName>Kaifeng</ForeName><Initials>K</Initials><AffiliationInfo><Affiliation>National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Technology, Beijing Forestry University, No. 35, Qinghua East Road, 100083 Beijing, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Song</LastName><ForeName>Yuepeng</ForeName><Initials>Y</Initials></Author><Author ValidYN="Y"><LastName>Huang</LastName><ForeName>Zhen</ForeName><Initials>Z</Initials></Author><Author ValidYN="Y"><LastName>Lin</LastName><ForeName>Liyuan</ForeName><Initials>L</Initials></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Zhiyi</ForeName><Initials>Z</Initials></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Deqiang</ForeName><Initials>D</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><ArticleDate DateType="Electronic"><Year>2012</Year><Month>12</Month><Day>08</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Plant Cell Rep</MedlineTA><NlmUniqueID>9880970</NlmUniqueID><ISSNLinking>0721-7714</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005875">Gibberellins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D007210">Indoleacetic Acids</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010937">Plant Growth Regulators</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D018749">RNA, Plant</NameOfSubstance></Chemical><Chemical><RegistryNumber>6U1S09C61L</RegistryNumber><NameOfSubstance UI="C030737">indoleacetic acid</NameOfSubstance></Chemical><Chemical><RegistryNumber>BU0A7MWB6L</RegistryNumber><NameOfSubstance UI="C007842">gibberellic acid</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002678" MajorTopicYN="N">Chimera</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005298" MajorTopicYN="N">Fertility</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D015870" MajorTopicYN="N">Gene Expression</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018506" MajorTopicYN="N">Gene Expression Regulation, Plant</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005875" MajorTopicYN="N">Gibberellins</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006824" MajorTopicYN="N">Hybridization, Genetic</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007210" MajorTopicYN="N">Indoleacetic Acids</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010937" MajorTopicYN="N">Plant Growth Regulators</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D053205" MajorTopicYN="N">Pollen Tube</DescriptorName><QualifierName UI="Q000033" MajorTopicYN="N">anatomy & histology</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000033" MajorTopicYN="N">anatomy & histology</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018749" MajorTopicYN="N">RNA, Plant</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012098" MajorTopicYN="N">Reproduction</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012639" MajorTopicYN="N">Seeds</DescriptorName><QualifierName UI="Q000033" MajorTopicYN="N">anatomy & histology</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2012</Year><Month>08</Month><Day>30</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2012</Year><Month>11</Month><Day>25</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2012</Year><Month>11</Month><Day>20</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>12</Month><Day>11</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>12</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>7</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId 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populaire de Chine"><noRegion><name sortKey="Ma, Kaifeng" sort="Ma, Kaifeng" uniqKey="Ma K" first="Kaifeng" last="Ma">Kaifeng Ma</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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