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Taxonomy of Aspergillus: integration of methods for new and revisited species in section Flavi

2012Conference object Open access
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dc.contributor.authorRodrigues, Paula
dc.contributor.authorSoares, Célia
dc.contributor.authorSantos, Cledir
dc.contributor.authorVenâncio, Armando
dc.contributor.authorLima, Nelson
dc.date.accessioned2012-07-25T09:28:50Z
dc.date.available2012-07-25T09:28:50Z
dc.date.issued2012
dc.description.abstractAspergillus is a large genus and, as with fungi in general, its taxonomy is complex and ever evolving. Section Flavi is one of the most significant sections of the genus, for it comprises two distinct groups of species with great interest to food industry: one group includes the aflatoxigenic species, which cause serious problems in agricultural commodities, and the other includes the non-aflatoxigenic species traditionally used in food fermentation and biotechnological processes. Because of the significant phenotypic and genetic similarity between species, taxonomy and species identification within this section has always been subject of great interest for scientists who struggle to clarify the species concept and delimitations within the section, and to find a consistent and stable taxonomic scheme. Throughout the last decades, the taxonomy of Aspergillus has evolved from a simple morphological species concept to a more complex scheme also integrating biochemical, ecological, genetic and molecular traits. Also, as methods become more sensitive, accurate and widespread, species are constantly being added or re-classified or even repositioned within the genus. We are here in presenting a comprehensive work on the identification of large numbers of Portuguese isolates from Section Flavi through the combination of various methods, including morphological, biochemical and molecular ones, as well as the novel approach based on spectral analysis by MALDI-TOF-ICMS. By applying this polyphasic scheme of identification, we were able to identify and characterise three new aflatoxigenic species within this section.por
dc.identifier.citationRodrigues, Paula; Soares, Célia; Santos, Cledir; Venâncio, Armando; Lima, Nelson (2012). Taxonomy of Aspergillus: Integration of methods for new and revisited species in section Flavi. In Book of Abstracts of ECCOXXXI – 31st Annual Meeting of the European Culture Collection Organisation “Closing the gap between science and society”. Braga, p. 34por
dc.identifier.urihttp://hdl.handle.net/10198/7314
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherUniversidade do Minhopor
dc.relationAVALIAÇÃO DA INCIDÊNCIA DE FUNGOS FILAMENTOSOS E DE MICOTOXINAS EM MILHO NACIONAL
dc.subjectMycologypor
dc.subjectFungipor
dc.subjectMALDI-TOF ICMSpor
dc.subjectPolyphasic identificationpor
dc.titleTaxonomy of Aspergillus: integration of methods for new and revisited species in section Flavipor
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleAVALIAÇÃO DA INCIDÊNCIA DE FUNGOS FILAMENTOSOS E DE MICOTOXINAS EM MILHO NACIONAL
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F37264%2F2007/PT
oaire.citation.conferencePlaceBraga, Portugalpor
oaire.citation.titleBook of Abstracts of ECCOXXXI – 31st Annual Meeting of the European Culture Collection Organisation “Closing the gap between science and society”por
person.familyNameRodrigues
person.givenNamePaula
person.identifier.ciencia-id2312-18AE-DA42
person.identifier.orcid0000-0002-3789-2730
person.identifier.scopus-author-id7102639646
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspor
rcaap.typeconferenceObjectpor
relation.isAuthorOfPublicationb864b8c1-d66a-419c-b1ac-e6193f93eca6
relation.isAuthorOfPublication.latestForDiscoveryb864b8c1-d66a-419c-b1ac-e6193f93eca6
relation.isProjectOfPublication8a46ca75-f443-45bf-acb5-9ce0c6a53e50
relation.isProjectOfPublication.latestForDiscovery8a46ca75-f443-45bf-acb5-9ce0c6a53e50

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