Evaluation of maize germplasm based on zein polymorphism from the archipelago of Madeira
Autor(a) principal: | |
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Data de Publicação: | 2005 |
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/10400.13/3185 |
Resumo: | Zein polypeptides are a group of proteins that accumulate in maize endosperm during seed development, representing more than 60% of the total endosperm proteins in the mature seeds. To evaluate genotype variability of Madeiran maize germplasm, a biochemical study was conducted based on the prolamins of maize, zeins, extracted from endosperm meal of 43 populations of Zea mays L. maintained in the Germplasm bank of Madeira University along with the inbreed W64A which was used as a polymorphic zein polypeptide standard profile. The zein polymorphism of these 44 maize populations were compared using two different electrophoresis techniques, SDS-PAGE in 15% discontinuous polyacrylamide gel and Acid-PAGE in 10% continuous polyacrylamide gel. SDS-PAGE allowed up to 16 polypeptides to be identified with apparent molecular mass ranging from 28-kDa to 10-kDa. Acid-PAGE allowed up to 20 zein fractions to be identified. The data was submitted to principal component analysis (PCA) and canonical discriminate and similarity analysis. The SDS-PAGE zein polymorphism allowed us to detect 6 groups, assembling all maize populations and explaining 55.32% of all variability. The similarity analysis of zein patterns obtained by Acid-PAGE showed that among regional maize germplasm, 22.5 % of all population seems to be related and have a common ancestor. The ISOP71 seems to be the population more closed to the common ancestor and appears related with the remaining maize populations, excluding the ISOP125.The obtained results and the importance of zein polymorphism in the evaluation of maize germplasm from Madeiran Archipelago are discussed |
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Evaluation of maize germplasm based on zein polymorphism from the archipelago of MadeiraSeed storage proteinsZeinSDS-PAGEAcid-PAGEMaize germplasmArchipelago of Madeira (Portugal).Faculdade de Ciências da VidaZein polypeptides are a group of proteins that accumulate in maize endosperm during seed development, representing more than 60% of the total endosperm proteins in the mature seeds. To evaluate genotype variability of Madeiran maize germplasm, a biochemical study was conducted based on the prolamins of maize, zeins, extracted from endosperm meal of 43 populations of Zea mays L. maintained in the Germplasm bank of Madeira University along with the inbreed W64A which was used as a polymorphic zein polypeptide standard profile. The zein polymorphism of these 44 maize populations were compared using two different electrophoresis techniques, SDS-PAGE in 15% discontinuous polyacrylamide gel and Acid-PAGE in 10% continuous polyacrylamide gel. SDS-PAGE allowed up to 16 polypeptides to be identified with apparent molecular mass ranging from 28-kDa to 10-kDa. Acid-PAGE allowed up to 20 zein fractions to be identified. The data was submitted to principal component analysis (PCA) and canonical discriminate and similarity analysis. The SDS-PAGE zein polymorphism allowed us to detect 6 groups, assembling all maize populations and explaining 55.32% of all variability. The similarity analysis of zein patterns obtained by Acid-PAGE showed that among regional maize germplasm, 22.5 % of all population seems to be related and have a common ancestor. The ISOP71 seems to be the population more closed to the common ancestor and appears related with the remaining maize populations, excluding the ISOP125.The obtained results and the importance of zein polymorphism in the evaluation of maize germplasm from Madeiran Archipelago are discussedUnità di Ricerca per la Valorizzazione qualitativa dei cerealiDigitUMaFreitas, I. R. A. deGanança, F.Santos, T. M. dosCarvalho, M. A. A. Pinheiro deMotto, M.Vieira, M. Clemente2021-03-19T10:38:30Z20052005-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.13/3185engFreitas, I. R. A., Ganança, F., Santos, T. M., Carvalho, M. A. A. P., Motto, M., & Vieira, M. C. (2005). Evaluation of maize germplasm based on zein polymorphism from the archipelago of Madeira. Maydica, 50(2), 105-112.info: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:RCAAP2023-03-26T03:39:08Zoai:digituma.uma.pt:10400.13/3185Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T15:06:08.191413Repositório 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 |
Evaluation of maize germplasm based on zein polymorphism from the archipelago of Madeira |
title |
Evaluation of maize germplasm based on zein polymorphism from the archipelago of Madeira |
spellingShingle |
Evaluation of maize germplasm based on zein polymorphism from the archipelago of Madeira Freitas, I. R. A. de Seed storage proteins Zein SDS-PAGE Acid-PAGE Maize germplasm Archipelago of Madeira (Portugal) . Faculdade de Ciências da Vida |
title_short |
Evaluation of maize germplasm based on zein polymorphism from the archipelago of Madeira |
title_full |
Evaluation of maize germplasm based on zein polymorphism from the archipelago of Madeira |
title_fullStr |
Evaluation of maize germplasm based on zein polymorphism from the archipelago of Madeira |
title_full_unstemmed |
Evaluation of maize germplasm based on zein polymorphism from the archipelago of Madeira |
title_sort |
Evaluation of maize germplasm based on zein polymorphism from the archipelago of Madeira |
author |
Freitas, I. R. A. de |
author_facet |
Freitas, I. R. A. de Ganança, F. Santos, T. M. dos Carvalho, M. A. A. Pinheiro de Motto, M. Vieira, M. Clemente |
author_role |
author |
author2 |
Ganança, F. Santos, T. M. dos Carvalho, M. A. A. Pinheiro de Motto, M. Vieira, M. Clemente |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
DigitUMa |
dc.contributor.author.fl_str_mv |
Freitas, I. R. A. de Ganança, F. Santos, T. M. dos Carvalho, M. A. A. Pinheiro de Motto, M. Vieira, M. Clemente |
dc.subject.por.fl_str_mv |
Seed storage proteins Zein SDS-PAGE Acid-PAGE Maize germplasm Archipelago of Madeira (Portugal) . Faculdade de Ciências da Vida |
topic |
Seed storage proteins Zein SDS-PAGE Acid-PAGE Maize germplasm Archipelago of Madeira (Portugal) . Faculdade de Ciências da Vida |
description |
Zein polypeptides are a group of proteins that accumulate in maize endosperm during seed development, representing more than 60% of the total endosperm proteins in the mature seeds. To evaluate genotype variability of Madeiran maize germplasm, a biochemical study was conducted based on the prolamins of maize, zeins, extracted from endosperm meal of 43 populations of Zea mays L. maintained in the Germplasm bank of Madeira University along with the inbreed W64A which was used as a polymorphic zein polypeptide standard profile. The zein polymorphism of these 44 maize populations were compared using two different electrophoresis techniques, SDS-PAGE in 15% discontinuous polyacrylamide gel and Acid-PAGE in 10% continuous polyacrylamide gel. SDS-PAGE allowed up to 16 polypeptides to be identified with apparent molecular mass ranging from 28-kDa to 10-kDa. Acid-PAGE allowed up to 20 zein fractions to be identified. The data was submitted to principal component analysis (PCA) and canonical discriminate and similarity analysis. The SDS-PAGE zein polymorphism allowed us to detect 6 groups, assembling all maize populations and explaining 55.32% of all variability. The similarity analysis of zein patterns obtained by Acid-PAGE showed that among regional maize germplasm, 22.5 % of all population seems to be related and have a common ancestor. The ISOP71 seems to be the population more closed to the common ancestor and appears related with the remaining maize populations, excluding the ISOP125.The obtained results and the importance of zein polymorphism in the evaluation of maize germplasm from Madeiran Archipelago are discussed |
publishDate |
2005 |
dc.date.none.fl_str_mv |
2005 2005-01-01T00:00:00Z 2021-03-19T10:38:30Z |
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/10400.13/3185 |
url |
http://hdl.handle.net/10400.13/3185 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Freitas, I. R. A., Ganança, F., Santos, T. M., Carvalho, M. A. A. P., Motto, M., & Vieira, M. C. (2005). Evaluation of maize germplasm based on zein polymorphism from the archipelago of Madeira. Maydica, 50(2), 105-112. |
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 |
Unità di Ricerca per la Valorizzazione qualitativa dei cereali |
publisher.none.fl_str_mv |
Unità di Ricerca per la Valorizzazione qualitativa dei cereali |
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 |
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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 |
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1799129932392038400 |