Epigenetic rather than genetic factors may explain phenotipic divergence between coastal populations of diploid and tetraploid Limonium spp. (Plumbaginaceae) in Portugal
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | http://hdl.handle.net/10400.5/17424 |
Resumo: | Research Article |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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7160 |
spelling |
Epigenetic rather than genetic factors may explain phenotipic divergence between coastal populations of diploid and tetraploid Limonium spp. (Plumbaginaceae) in PortugalLimoniumepigenetic variationgenetic variationMSAPspolyploidyploidy diagnosisResearch ArticleBackground: The genus Limonium Miller comprises annual and perennial halophytes that can produce sexual and/or asexual seeds (apomixis). Genetic and epigenetic (DNA methylation) variation patterns were investigated in populations of three phenotypically similar putative sexual diploid species (L. nydeggeri, L. ovalifolium, L. lanceolatum), one sexual tetraploid species (L. vulgare) and two apomict tetraploid species thought to be related (L. dodartii, L. multiflorum). The extent of morphological differentiation between these species was assessed using ten diagnostic morphometric characters. Results: A discriminant analysis using the morphometric variables reliably assigns individuals into their respective species groups. We found that only modest genetic and epigenetic differentiation was revealed between species by Methylation Sensitive Amplification Polymorphism (MSAP). However, whilst there was little separation possible between ploidy levels on the basis of genetic profiles, there was clear and pronounced interploidy discrimination on the basis of epigenetic profiles. Here we investigate the relative contribution of genetic and epigenetic factors in explaining the complex phenotypic variability seen in problematic taxonomic groups such as Limonium that operate both apomixis and sexual modes of reproduction. Conclusions: Our results suggest that epigenetic variation might be one of the drivers of the phenotypic divergence between diploid and tetraploid taxa and discuss that intergenome silencing offers a plausible mechanistic explanation for the observed phenotypic divergence between these microspecies. These results also suggest that epigenetic profiling offer an additional tool to infer ploidy level in stored specimens and that stable epigenetic change may play an important role in apomict evolution and species recognitionBMCRepositório da Universidade de LisboaRóis, Ana SofiaRodriguez Lopez, Carlos M.Cortinhas, AnaErben, MatthiasEspírito-Santo, Maria DalilaWilkinson, Michael J.Caperta, Ana2019-02-25T10:13:49Z20132013-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.5/17424engRóis et al. BMC Plant Biology 2013, 13:205info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-10-08T01:31:11Zoai:www.repository.utl.pt:10400.5/17424Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T17:02:38.118289Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Epigenetic rather than genetic factors may explain phenotipic divergence between coastal populations of diploid and tetraploid Limonium spp. (Plumbaginaceae) in Portugal |
title |
Epigenetic rather than genetic factors may explain phenotipic divergence between coastal populations of diploid and tetraploid Limonium spp. (Plumbaginaceae) in Portugal |
spellingShingle |
Epigenetic rather than genetic factors may explain phenotipic divergence between coastal populations of diploid and tetraploid Limonium spp. (Plumbaginaceae) in Portugal Róis, Ana Sofia Limonium epigenetic variation genetic variation MSAPs polyploidy ploidy diagnosis |
title_short |
Epigenetic rather than genetic factors may explain phenotipic divergence between coastal populations of diploid and tetraploid Limonium spp. (Plumbaginaceae) in Portugal |
title_full |
Epigenetic rather than genetic factors may explain phenotipic divergence between coastal populations of diploid and tetraploid Limonium spp. (Plumbaginaceae) in Portugal |
title_fullStr |
Epigenetic rather than genetic factors may explain phenotipic divergence between coastal populations of diploid and tetraploid Limonium spp. (Plumbaginaceae) in Portugal |
title_full_unstemmed |
Epigenetic rather than genetic factors may explain phenotipic divergence between coastal populations of diploid and tetraploid Limonium spp. (Plumbaginaceae) in Portugal |
title_sort |
Epigenetic rather than genetic factors may explain phenotipic divergence between coastal populations of diploid and tetraploid Limonium spp. (Plumbaginaceae) in Portugal |
author |
Róis, Ana Sofia |
author_facet |
Róis, Ana Sofia Rodriguez Lopez, Carlos M. Cortinhas, Ana Erben, Matthias Espírito-Santo, Maria Dalila Wilkinson, Michael J. Caperta, Ana |
author_role |
author |
author2 |
Rodriguez Lopez, Carlos M. Cortinhas, Ana Erben, Matthias Espírito-Santo, Maria Dalila Wilkinson, Michael J. Caperta, Ana |
author2_role |
author author author author author author |
dc.contributor.none.fl_str_mv |
Repositório da Universidade de Lisboa |
dc.contributor.author.fl_str_mv |
Róis, Ana Sofia Rodriguez Lopez, Carlos M. Cortinhas, Ana Erben, Matthias Espírito-Santo, Maria Dalila Wilkinson, Michael J. Caperta, Ana |
dc.subject.por.fl_str_mv |
Limonium epigenetic variation genetic variation MSAPs polyploidy ploidy diagnosis |
topic |
Limonium epigenetic variation genetic variation MSAPs polyploidy ploidy diagnosis |
description |
Research Article |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013 2013-01-01T00:00:00Z 2019-02-25T10:13:49Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10400.5/17424 |
url |
http://hdl.handle.net/10400.5/17424 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Róis et al. BMC Plant Biology 2013, 13:205 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
BMC |
publisher.none.fl_str_mv |
BMC |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
instname_str |
Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
instacron_str |
RCAAP |
institution |
RCAAP |
reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
repository.mail.fl_str_mv |
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1799131116284674049 |