How leaves of mycoheterotrophic plants evolved - from the view point of a developmental biologist.
Identifieur interne : 000A18 ( Main/Corpus ); précédent : 000A17; suivant : 000A19How leaves of mycoheterotrophic plants evolved - from the view point of a developmental biologist.
Auteurs : Hirokazu TsukayaSource :
- The New phytologist [ 1469-8137 ] ; 2018.
English descriptors
- KwdEn :
- MESH :
- anatomy & histology : Flowers, Plant Leaves.
- physiology : Mycorrhizae, Plant Leaves.
- Biological Evolution, Developmental Biology, Heterotrophic Processes, Models, Biological, Organ Size.
Abstract
How mycoheterotrophs have evolved and how they are sustained are enigmas. Structural analyses of the plastid genome and phylogenetic analyses of mycoheterotrophs have been used to identify mycorrhizal fungi. Molecular genetic studies have also revealed the mechanism for plant-fungi interactions. However, the evolution of the small, scale-like vegetative leaves of mycoheterotrophs is unknown. As almost all genes determining leaf size affect the floral organ sizes, it is highly implausible that loss-of-function mutations in leaf size regulators caused the evolution of smaller foliage leaves in mycoheterotrophs. In this Viewpoint, possible evolutionary scenarios of scale-like leaves in mycoheterotrophs are discussed from the perspective of developmental genetics of leaves in model plants, including: vegetative phase-specific changes in expression of leaf size regulator(s); the change from foliage leaves to scale-like lateral organs; and expression of suppressor(s) involved in organ development. These possibilities can be tested in future studies. This approach will provide a new research field in the developmental biology of plants.
DOI: 10.1111/nph.14994
PubMed: 29332309
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Structural analyses of the plastid genome and phylogenetic analyses of mycoheterotrophs have been used to identify mycorrhizal fungi. Molecular genetic studies have also revealed the mechanism for plant-fungi interactions. However, the evolution of the small, scale-like vegetative leaves of mycoheterotrophs is unknown. As almost all genes determining leaf size affect the floral organ sizes, it is highly implausible that loss-of-function mutations in leaf size regulators caused the evolution of smaller foliage leaves in mycoheterotrophs. In this Viewpoint, possible evolutionary scenarios of scale-like leaves in mycoheterotrophs are discussed from the perspective of developmental genetics of leaves in model plants, including: vegetative phase-specific changes in expression of leaf size regulator(s); the change from foliage leaves to scale-like lateral organs; and expression of suppressor(s) involved in organ development. These possibilities can be tested in future studies. This approach will provide a new research field in the developmental biology of plants.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">29332309</PMID><DateCompleted><Year>2019</Year><Month>09</Month><Day>13</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1469-8137</ISSN><JournalIssue CitedMedium="Internet"><Volume>217</Volume><Issue>4</Issue><PubDate><Year>2018</Year><Month>03</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>How leaves of mycoheterotrophic plants evolved - from the view point of a developmental biologist.</ArticleTitle><Pagination><MedlinePgn>1401-1406</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/nph.14994</ELocationID><Abstract><AbstractText>How mycoheterotrophs have evolved and how they are sustained are enigmas. Structural analyses of the plastid genome and phylogenetic analyses of mycoheterotrophs have been used to identify mycorrhizal fungi. Molecular genetic studies have also revealed the mechanism for plant-fungi interactions. However, the evolution of the small, scale-like vegetative leaves of mycoheterotrophs is unknown. As almost all genes determining leaf size affect the floral organ sizes, it is highly implausible that loss-of-function mutations in leaf size regulators caused the evolution of smaller foliage leaves in mycoheterotrophs. In this Viewpoint, possible evolutionary scenarios of scale-like leaves in mycoheterotrophs are discussed from the perspective of developmental genetics of leaves in model plants, including: vegetative phase-specific changes in expression of leaf size regulator(s); the change from foliage leaves to scale-like lateral organs; and expression of suppressor(s) involved in organ development. These possibilities can be tested in future studies. This approach will provide a new research field in the developmental biology of plants.</AbstractText><CopyrightInformation>© 2018 The Author. New Phytologist © 2018 New Phytologist Trust.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Tsukaya</LastName><ForeName>Hirokazu</ForeName><Initials>H</Initials><Identifier Source="ORCID">0000-0002-4430-4538</Identifier><AffiliationInfo><Affiliation>Department of Biological Sciences, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Bio-Next Project, Okazaki Institute for Integrative Bioscience, National Institutes of Natural Sciences, Yamate Build. #3, 5-1, Higashiyama, Myodaiji, Okazaki, Aichi, 444-8787, Japan.</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>2018</Year><Month>01</Month><Day>14</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>New Phytol</MedlineTA><NlmUniqueID>9882884</NlmUniqueID><ISSNLinking>0028-646X</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D005075" MajorTopicYN="Y">Biological Evolution</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D015509" MajorTopicYN="Y">Developmental Biology</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D035264" MajorTopicYN="N">Flowers</DescriptorName><QualifierName UI="Q000033" MajorTopicYN="N">anatomy & histology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D052836" MajorTopicYN="Y">Heterotrophic Processes</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008954" MajorTopicYN="N">Models, Biological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009929" MajorTopicYN="N">Organ Size</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000033" MajorTopicYN="N">anatomy & histology</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">identity genes</Keyword><Keyword MajorTopicYN="Y">leaves</Keyword><Keyword MajorTopicYN="Y">mycoheterotrophs</Keyword><Keyword MajorTopicYN="Y">scales</Keyword><Keyword MajorTopicYN="Y">size regulation</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>1</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>9</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>1</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">29332309</ArticleId><ArticleId IdType="doi">10.1111/nph.14994</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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