Tracing the Evolution of the <i>SEPALLATA</i> Subfamily across Angiosperms Associated with Neo- and Sub-Functionalization for Reproductive and Agronomically Relevant Traits
SEPALLATA transcription factors (SEP TFs) have been extensively studied in angiosperms as pivotal components of virtually all the MADS-box tetrameric complex master regulators of floral organ identities. However, there are published reports that suggest that some SEP members also regulate earlier re...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-10-01
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| Series: | Plants |
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| Online Access: | https://www.mdpi.com/2223-7747/11/21/2934 |
| _version_ | 1797466732625920000 |
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| author | Ludovico Dreni Cristina Ferrándiz |
| author_facet | Ludovico Dreni Cristina Ferrándiz |
| author_sort | Ludovico Dreni |
| collection | DOAJ |
| description | SEPALLATA transcription factors (SEP TFs) have been extensively studied in angiosperms as pivotal components of virtually all the MADS-box tetrameric complex master regulators of floral organ identities. However, there are published reports that suggest that some SEP members also regulate earlier reproductive events, such as inflorescence meristem determinacy and inflorescence architecture, with potential for application in breeding programs in crops. The <i>SEP</i> subfamily underwent a quite complex pattern of duplications during the radiation of the angiosperms. Taking advantage of the many whole genomic sequences now available, we present a revised and expanded <i>SEP</i> phylogeny and link it to the known functions of previously characterized genes. This snapshot supports the evidence that the major <i>SEP3</i> clade is highly specialized for the specification of the three innermost floral whorls, while its sister <i>LOFSEP</i> clade is functionally more versatile and has been recruited for diverse roles, such as the regulation of extra-floral bract formation and inflorescence determinacy and shape. This larger pool of angiosperm <i>SEP</i> genes confirms previous evidence that their evolution was driven by whole-genome duplications rather than small-scale duplication events. Our work may help to identify those <i>SEP</i> lineages that are the best candidates for the improvement of inflorescence traits, even in far distantly related crops. |
| first_indexed | 2024-03-09T18:43:55Z |
| format | Article |
| id | doaj.art-4323a85061b449f59564e21ad27dd2ef |
| institution | Directory Open Access Journal |
| issn | 2223-7747 |
| language | English |
| last_indexed | 2024-03-09T18:43:55Z |
| publishDate | 2022-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Plants |
| spelling | doaj.art-4323a85061b449f59564e21ad27dd2ef2023-11-24T06:25:27ZengMDPI AGPlants2223-77472022-10-011121293410.3390/plants11212934Tracing the Evolution of the <i>SEPALLATA</i> Subfamily across Angiosperms Associated with Neo- and Sub-Functionalization for Reproductive and Agronomically Relevant TraitsLudovico Dreni0Cristina Ferrándiz1Instituto de Biología Molecular y Celular de Plantas (IBMCP), Consejo Superior de Investigaciones Científicas-Universidad Politécnica de Valencia, 46022 Valencia, SpainInstituto de Biología Molecular y Celular de Plantas (IBMCP), Consejo Superior de Investigaciones Científicas-Universidad Politécnica de Valencia, 46022 Valencia, SpainSEPALLATA transcription factors (SEP TFs) have been extensively studied in angiosperms as pivotal components of virtually all the MADS-box tetrameric complex master regulators of floral organ identities. However, there are published reports that suggest that some SEP members also regulate earlier reproductive events, such as inflorescence meristem determinacy and inflorescence architecture, with potential for application in breeding programs in crops. The <i>SEP</i> subfamily underwent a quite complex pattern of duplications during the radiation of the angiosperms. Taking advantage of the many whole genomic sequences now available, we present a revised and expanded <i>SEP</i> phylogeny and link it to the known functions of previously characterized genes. This snapshot supports the evidence that the major <i>SEP3</i> clade is highly specialized for the specification of the three innermost floral whorls, while its sister <i>LOFSEP</i> clade is functionally more versatile and has been recruited for diverse roles, such as the regulation of extra-floral bract formation and inflorescence determinacy and shape. This larger pool of angiosperm <i>SEP</i> genes confirms previous evidence that their evolution was driven by whole-genome duplications rather than small-scale duplication events. Our work may help to identify those <i>SEP</i> lineages that are the best candidates for the improvement of inflorescence traits, even in far distantly related crops.https://www.mdpi.com/2223-7747/11/21/2934MADS-boxSEPALLATAphylogenycore eudicotsmonocotsangiosperms |
| spellingShingle | Ludovico Dreni Cristina Ferrándiz Tracing the Evolution of the <i>SEPALLATA</i> Subfamily across Angiosperms Associated with Neo- and Sub-Functionalization for Reproductive and Agronomically Relevant Traits Plants MADS-box SEPALLATA phylogeny core eudicots monocots angiosperms |
| title | Tracing the Evolution of the <i>SEPALLATA</i> Subfamily across Angiosperms Associated with Neo- and Sub-Functionalization for Reproductive and Agronomically Relevant Traits |
| title_full | Tracing the Evolution of the <i>SEPALLATA</i> Subfamily across Angiosperms Associated with Neo- and Sub-Functionalization for Reproductive and Agronomically Relevant Traits |
| title_fullStr | Tracing the Evolution of the <i>SEPALLATA</i> Subfamily across Angiosperms Associated with Neo- and Sub-Functionalization for Reproductive and Agronomically Relevant Traits |
| title_full_unstemmed | Tracing the Evolution of the <i>SEPALLATA</i> Subfamily across Angiosperms Associated with Neo- and Sub-Functionalization for Reproductive and Agronomically Relevant Traits |
| title_short | Tracing the Evolution of the <i>SEPALLATA</i> Subfamily across Angiosperms Associated with Neo- and Sub-Functionalization for Reproductive and Agronomically Relevant Traits |
| title_sort | tracing the evolution of the i sepallata i subfamily across angiosperms associated with neo and sub functionalization for reproductive and agronomically relevant traits |
| topic | MADS-box SEPALLATA phylogeny core eudicots monocots angiosperms |
| url | https://www.mdpi.com/2223-7747/11/21/2934 |
| work_keys_str_mv | AT ludovicodreni tracingtheevolutionoftheisepallataisubfamilyacrossangiospermsassociatedwithneoandsubfunctionalizationforreproductiveandagronomicallyrelevanttraits AT cristinaferrandiz tracingtheevolutionoftheisepallataisubfamilyacrossangiospermsassociatedwithneoandsubfunctionalizationforreproductiveandagronomicallyrelevanttraits |