Reassessing morphological homologies in the early-divergent angiosperm Fenerivia (annonaceae) based on floral vascular anatomy: significance for interpreting putative homeotic mutations
Fenerivia species (Annonaceae) are characterized by a prominent flange immediately below the perianth, which has been interpreted as synapomorphic for the genus. The homology of this flange is controversial: previous studies of Fenerivia heteropetala (an aberrant species, with 12 perianth parts in t...
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| description | Fenerivia species (Annonaceae) are characterized by a prominent flange immediately below the perianth, which has been interpreted as synapomorphic for the genus. The homology of this flange is controversial: previous studies of Fenerivia heteropetala (an aberrant species, with 12 perianth parts in three whorls) have suggested that the flange may represent a vestigial calyx resulting from a disruption to the homeotic control of organ identity during floral development. Comparative data on floral vasculature in Fenerivia capuronii are presented to elucidate the homology of the flange in other Fenerivia species (which possess nine perianth parts in three whorls, typical of most Annonaceae). The flange in F. capuronii differs from that in F. heteropetala as it is unvascularized. It is nevertheless suggested that the flange is likely to be homologous, and that a homeotic mutation in the F. heteropetala lineage resulted in the formation of a vestigial but vascularized calyx that fused with the otherwise unvascularized flange. |
| doi_str_mv | 10.1371/journal.pone.0081923 |
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The homology of this flange is controversial: previous studies of Fenerivia heteropetala (an aberrant species, with 12 perianth parts in three whorls) have suggested that the flange may represent a vestigial calyx resulting from a disruption to the homeotic control of organ identity during floral development. Comparative data on floral vasculature in Fenerivia capuronii are presented to elucidate the homology of the flange in other Fenerivia species (which possess nine perianth parts in three whorls, typical of most Annonaceae). The flange in F. capuronii differs from that in F. heteropetala as it is unvascularized. It is nevertheless suggested that the flange is likely to be homologous, and that a homeotic mutation in the F. heteropetala lineage resulted in the formation of a vestigial but vascularized calyx that fused with the otherwise unvascularized flange.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0081923</identifier><identifier>PMID: 24349152</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Aberration ; Annonaceae ; Annonaceae - anatomy & histology ; Annonaceae - genetics ; Annonaceae - ultrastructure ; Comparative analysis ; Evolution ; Flanges ; Flowers - anatomy & histology ; Flowers - genetics ; Flowers - ultrastructure ; Gene expression ; Genes, Homeobox ; Homology ; Microscopy, Electron, Scanning ; Morphology ; Mutation ; Phenotype ; Phylogenetics ; Species ; Studies ; Synapomorphy ; Taxonomy ; Vascular system (plant anatomy)</subject><ispartof>PloS one, 2013-12, Vol.8 (12), p.e81923-e81923</ispartof><rights>COPYRIGHT 2013 Public Library of Science</rights><rights>2013 Xue, Saunders. This is an open-access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/3.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. 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The homology of this flange is controversial: previous studies of Fenerivia heteropetala (an aberrant species, with 12 perianth parts in three whorls) have suggested that the flange may represent a vestigial calyx resulting from a disruption to the homeotic control of organ identity during floral development. Comparative data on floral vasculature in Fenerivia capuronii are presented to elucidate the homology of the flange in other Fenerivia species (which possess nine perianth parts in three whorls, typical of most Annonaceae). The flange in F. capuronii differs from that in F. heteropetala as it is unvascularized. It is nevertheless suggested that the flange is likely to be homologous, and that a homeotic mutation in the F. heteropetala lineage resulted in the formation of a vestigial but vascularized calyx that fused with the otherwise unvascularized flange.</description><subject>Aberration</subject><subject>Annonaceae</subject><subject>Annonaceae - anatomy & histology</subject><subject>Annonaceae - genetics</subject><subject>Annonaceae - ultrastructure</subject><subject>Comparative analysis</subject><subject>Evolution</subject><subject>Flanges</subject><subject>Flowers - anatomy & histology</subject><subject>Flowers - genetics</subject><subject>Flowers - ultrastructure</subject><subject>Gene expression</subject><subject>Genes, Homeobox</subject><subject>Homology</subject><subject>Microscopy, Electron, Scanning</subject><subject>Morphology</subject><subject>Mutation</subject><subject>Phenotype</subject><subject>Phylogenetics</subject><subject>Species</subject><subject>Studies</subject><subject>Synapomorphy</subject><subject>Taxonomy</subject><subject>Vascular system (plant anatomy)</subject><issn>1932-6203</issn><issn>1932-6203</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><sourceid>DOA</sourceid><recordid>eNptUtGK1DAULaK46-ofiAZ8WR9mbJukSXwQlsXVhQVB9Dmk6U0nQ5vUpB2YT_PvTGe6y44seUi4Ofeccy8ny94W-brArPi09VNwqlsP3sE6z3khSvwsOy8ELldVmePnj95n2asYt3lOMa-ql9lZSTARBS3Ps78_QcUIMVrXot6HYeM731qtOrTx_eENEVmHxg0gUKHbrxq7g9CCG5FyrfVxgNCjG3AQ7M4qdKmc805pUPAR1SpCg7xDpvMhce5U1FOnQmpVo-_3n1G0rbMmCToNyPiQtEYIQ4BxdjRMoxqT3mwG_Gg16g8V7-Lr7IVRXYQ3y32R_b75-uv6--rux7fb66u7laYCj6uy4mVT1yanJueU5ZrXrEnuOKmBCVFobSjUFWUaa8JUI2hR16Aor0GIMhf4Int_5B06H-Wy9SgLUrGSEcyLhLg9IhqvtnIItldhL72y8lDwoZUqJO8dSEME44RwzLAirKy54Zw0tOKYMmqgSlxfFrWp7qHRac1pbyekpz_ObmTrdxJzKigmieByIQj-zwRxlL2NGrpOOfDTwbeoaJXcJ-iH_6BPT7egWpUGsM74pKtnUnlFGMc4p8Xse_0EKp0GeqtTRI1N9ZMGcmzQwccYwDzMWORyDvi9GTkHXC4BT23vHu_noek-0fgfqE_97g</recordid><startdate>20131211</startdate><enddate>20131211</enddate><creator>Xue, Bine</creator><creator>Saunders, Richard M K</creator><general>Public Library of Science</general><general>Public Library of Science (PLoS)</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QG</scope><scope>7QL</scope><scope>7QO</scope><scope>7RV</scope><scope>7SN</scope><scope>7SS</scope><scope>7T5</scope><scope>7TG</scope><scope>7TM</scope><scope>7U9</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>H94</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB.</scope><scope>KB0</scope><scope>KL.</scope><scope>L6V</scope><scope>LK8</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M7N</scope><scope>M7P</scope><scope>M7S</scope><scope>NAPCQ</scope><scope>P5Z</scope><scope>P62</scope><scope>P64</scope><scope>PATMY</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>RC3</scope><scope>7X8</scope><scope>5PM</scope><scope>DOA</scope></search><sort><creationdate>20131211</creationdate><title>Reassessing morphological homologies in the early-divergent angiosperm Fenerivia (annonaceae) based on floral vascular anatomy: significance for interpreting putative homeotic mutations</title><author>Xue, Bine ; Saunders, Richard M K</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c593t-2682dbbf05f08570c8b7dace84be7991ccf5eb657c3c47ad951bbea58be992093</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Aberration</topic><topic>Annonaceae</topic><topic>Annonaceae - 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Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xue, Bine</au><au>Saunders, Richard M K</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reassessing morphological homologies in the early-divergent angiosperm Fenerivia (annonaceae) based on floral vascular anatomy: significance for interpreting putative homeotic mutations</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2013-12-11</date><risdate>2013</risdate><volume>8</volume><issue>12</issue><spage>e81923</spage><epage>e81923</epage><pages>e81923-e81923</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Fenerivia species (Annonaceae) are characterized by a prominent flange immediately below the perianth, which has been interpreted as synapomorphic for the genus. The homology of this flange is controversial: previous studies of Fenerivia heteropetala (an aberrant species, with 12 perianth parts in three whorls) have suggested that the flange may represent a vestigial calyx resulting from a disruption to the homeotic control of organ identity during floral development. Comparative data on floral vasculature in Fenerivia capuronii are presented to elucidate the homology of the flange in other Fenerivia species (which possess nine perianth parts in three whorls, typical of most Annonaceae). The flange in F. capuronii differs from that in F. heteropetala as it is unvascularized. It is nevertheless suggested that the flange is likely to be homologous, and that a homeotic mutation in the F. heteropetala lineage resulted in the formation of a vestigial but vascularized calyx that fused with the otherwise unvascularized flange.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>24349152</pmid><doi>10.1371/journal.pone.0081923</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Aberration Annonaceae Annonaceae - anatomy & histology Annonaceae - genetics Annonaceae - ultrastructure Comparative analysis Evolution Flanges Flowers - anatomy & histology Flowers - genetics Flowers - ultrastructure Gene expression Genes, Homeobox Homology Microscopy, Electron, Scanning Morphology Mutation Phenotype Phylogenetics Species Studies Synapomorphy Taxonomy Vascular system (plant anatomy) |
| title | Reassessing morphological homologies in the early-divergent angiosperm Fenerivia (annonaceae) based on floral vascular anatomy: significance for interpreting putative homeotic mutations |
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