Size matters in Triticeae polyploids: larger genomes have higher remodeling

Bibliographic Details
Main Author: Bento, Miguel
Publication Date: 2011
Other Authors: Gustafson, J.P., Viegas, W., Silva, Manuela
Format: Article
Language: eng
Source: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Download full: http://hdl.handle.net/10400.5/2972
Summary: Review
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spelling Size matters in Triticeae polyploids: larger genomes have higher remodelingtriticeaegenome restructuringsynthetic hybridspolyploidsReviewPolyploidization is one of the major driving forces in plant evolution and is extremely relevant to speciation and diversity creation. Polyploidization leads to a myriad of genetic and epigenetic alterations that ultimately generate plants and species with increased genome plasticity. Polyploids are the result of the fusion of two or more genomes into the same nucleus and can be classified as allopolyploids (different genomes) or autopolyploids (same genome). Triticeae synthetic allopolyploid species are excellent models to study polyploids evolution, particularly the wheat–rye hybrid triticale, which includes various ploidy levels and genome combinations. In this review, we reanalyze data concerning genomic analysis of octoploid and hexaploid triticale and different synthetic wheat hybrids, in comparison with other polyploid species. This analysis reveals high levels of genomic restructuring events in triticale and wheat hybrids, namely major parental band disappearance and the appearance of novel bands. Furthermore, the data shows that restructuring depends on parental genomes, ploidy level, and sequence type (repetitive, low copy, and (or) coding); is markedly different after wide hybridization or genome doubling; and affects preferentially the larger parental genome. The shared role of genetic and epigenetic modifications in parental genome size homogenization, diploidization establishment, and stabilization of polyploid species is discussed.NRC Research PressRepositório da Universidade de LisboaBento, MiguelGustafson, J.P.Viegas, W.Silva, Manuela2011-03-18T14:28:10Z20112011-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.5/2972eng"Genome". ISSN 0831-2796. 54 (2011) 175-1830831-2796info: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:RCAAP2023-03-06T14:34:08Zoai:www.repository.utl.pt:10400.5/2972Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T16:50:55.741898Repositório 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 Size matters in Triticeae polyploids: larger genomes have higher remodeling
title Size matters in Triticeae polyploids: larger genomes have higher remodeling
spellingShingle Size matters in Triticeae polyploids: larger genomes have higher remodeling
Bento, Miguel
triticeae
genome restructuring
synthetic hybrids
polyploids
title_short Size matters in Triticeae polyploids: larger genomes have higher remodeling
title_full Size matters in Triticeae polyploids: larger genomes have higher remodeling
title_fullStr Size matters in Triticeae polyploids: larger genomes have higher remodeling
title_full_unstemmed Size matters in Triticeae polyploids: larger genomes have higher remodeling
title_sort Size matters in Triticeae polyploids: larger genomes have higher remodeling
author Bento, Miguel
author_facet Bento, Miguel
Gustafson, J.P.
Viegas, W.
Silva, Manuela
author_role author
author2 Gustafson, J.P.
Viegas, W.
Silva, Manuela
author2_role author
author
author
dc.contributor.none.fl_str_mv Repositório da Universidade de Lisboa
dc.contributor.author.fl_str_mv Bento, Miguel
Gustafson, J.P.
Viegas, W.
Silva, Manuela
dc.subject.por.fl_str_mv triticeae
genome restructuring
synthetic hybrids
polyploids
topic triticeae
genome restructuring
synthetic hybrids
polyploids
description Review
publishDate 2011
dc.date.none.fl_str_mv 2011-03-18T14:28:10Z
2011
2011-01-01T00:00:00Z
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/10400.5/2972
url http://hdl.handle.net/10400.5/2972
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv "Genome". ISSN 0831-2796. 54 (2011) 175-183
0831-2796
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 NRC Research Press
publisher.none.fl_str_mv NRC Research Press
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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