Occurrence and toxigenic potential of Aspergillus section Flavi on wheat and sorghum silages in Uruguay
Resumen:
Species belonging to Aspergillus section Flavi occur naturally in crops and can cause food spoilage and/or toxin production. The aim of this study was to determine the occurrence and diversity of the species of Aspergillus section Flavi found in wheat and sorghum at harvest time and during silage storage, and to evaluate the toxigenic potential of the isolates to determine the contamination risk of mycotoxins in grains. Strains from Aspergillus flavus and Aspergillus parasiticus were found based on multi-gene phylogenetic analyses. This is the first report on the presence of A. parasiticus in wheat from Uruguay. Of the 80 isolates Aspergillus section Flavi, 30% produced aflatoxins (AFs), mainly type B1, and 25% produced cyclopiazonic acid (CPA). Within the isolates from wheat samples, 35% were AFs producers and 27.5% were CPA producers. Among the Aspergillus section Flavi isolates from sorghum, 25% were AFs producers while 22.5% were CPA producers. This work contributes to the knowledge of the species in crops and helps define appropriate strategies for the prevention and control of contamination with AFs and CPA by Aspergillus section Flavi fungi.
| 2020 | |
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Silage Aflatoxin Cyclopiazonic acid Aspergillus flavus |
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| Inglés | |
| Universidad de la República | |
| COLIBRI | |
| https://hdl.handle.net/20.500.12008/31649 | |
| Acceso abierto | |
| Licencia Creative Commons Atribución (CC - By 4.0) |
| _version_ | 1807522788600184832 |
|---|---|
| author | Palacio Flangini, Agustina del |
| author2 | Pan, Dinorah |
| author2_role | author |
| author_facet | Palacio Flangini, Agustina del Pan, Dinorah |
| author_role | author |
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| collection | COLIBRI |
| dc.contributor.filiacion.none.fl_str_mv | Palacio Flangini Agustina del, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología. Pan Dinorah, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología. |
| dc.creator.none.fl_str_mv | Palacio Flangini, Agustina del Pan, Dinorah |
| dc.date.accessioned.none.fl_str_mv | 2022-05-25T12:46:45Z |
| dc.date.available.none.fl_str_mv | 2022-05-25T12:46:45Z |
| dc.date.issued.none.fl_str_mv | 2020 |
| dc.description.abstract.none.fl_txt_mv | Species belonging to Aspergillus section Flavi occur naturally in crops and can cause food spoilage and/or toxin production. The aim of this study was to determine the occurrence and diversity of the species of Aspergillus section Flavi found in wheat and sorghum at harvest time and during silage storage, and to evaluate the toxigenic potential of the isolates to determine the contamination risk of mycotoxins in grains. Strains from Aspergillus flavus and Aspergillus parasiticus were found based on multi-gene phylogenetic analyses. This is the first report on the presence of A. parasiticus in wheat from Uruguay. Of the 80 isolates Aspergillus section Flavi, 30% produced aflatoxins (AFs), mainly type B1, and 25% produced cyclopiazonic acid (CPA). Within the isolates from wheat samples, 35% were AFs producers and 27.5% were CPA producers. Among the Aspergillus section Flavi isolates from sorghum, 25% were AFs producers while 22.5% were CPA producers. This work contributes to the knowledge of the species in crops and helps define appropriate strategies for the prevention and control of contamination with AFs and CPA by Aspergillus section Flavi fungi. |
| dc.format.extent.es.fl_str_mv | 12 h. |
| dc.format.mimetype.es.fl_str_mv | application/pdf |
| dc.identifier.citation.es.fl_str_mv | Palacio, A y Pan, D. "Occurrence and toxigenic potential of Aspergillus section Flavi on wheat and sorghum silages in Uruguay". Mycology. [en línea] 2020, 11(2): 147-157. 12 h. DOI: 10.1080/21501203.1752321 |
| dc.identifier.doi.none.fl_str_mv | 10.1080/21501203.2020.1752321 |
| dc.identifier.issn.none.fl_str_mv | 2150-1211 |
| dc.identifier.uri.none.fl_str_mv | https://hdl.handle.net/20.500.12008/31649 |
| dc.language.iso.none.fl_str_mv | en eng |
| dc.publisher.es.fl_str_mv | Mycological Society of China |
| dc.relation.ispartof.es.fl_str_mv | Mycology, 2020, 11(2): 147-157 |
| dc.rights.license.none.fl_str_mv | Licencia Creative Commons Atribución (CC - By 4.0) |
| dc.rights.none.fl_str_mv | info:eu-repo/semantics/openAccess |
| dc.source.none.fl_str_mv | reponame:COLIBRI instname:Universidad de la República instacron:Universidad de la República |
| dc.subject.es.fl_str_mv | Silage Aflatoxin Cyclopiazonic acid Aspergillus flavus |
| dc.title.none.fl_str_mv | Occurrence and toxigenic potential of Aspergillus section Flavi on wheat and sorghum silages in Uruguay |
| dc.type.es.fl_str_mv | Artículo |
| dc.type.none.fl_str_mv | info:eu-repo/semantics/article |
| dc.type.version.none.fl_str_mv | info:eu-repo/semantics/publishedVersion |
| description | Species belonging to Aspergillus section Flavi occur naturally in crops and can cause food spoilage and/or toxin production. The aim of this study was to determine the occurrence and diversity of the species of Aspergillus section Flavi found in wheat and sorghum at harvest time and during silage storage, and to evaluate the toxigenic potential of the isolates to determine the contamination risk of mycotoxins in grains. Strains from Aspergillus flavus and Aspergillus parasiticus were found based on multi-gene phylogenetic analyses. This is the first report on the presence of A. parasiticus in wheat from Uruguay. Of the 80 isolates Aspergillus section Flavi, 30% produced aflatoxins (AFs), mainly type B1, and 25% produced cyclopiazonic acid (CPA). Within the isolates from wheat samples, 35% were AFs producers and 27.5% were CPA producers. Among the Aspergillus section Flavi isolates from sorghum, 25% were AFs producers while 22.5% were CPA producers. This work contributes to the knowledge of the species in crops and helps define appropriate strategies for the prevention and control of contamination with AFs and CPA by Aspergillus section Flavi fungi. |
| eu_rights_str_mv | openAccess |
| format | article |
| id | COLIBRI_f82e6233b7e6857c486286cb9212bfb6 |
| identifier_str_mv | Palacio, A y Pan, D. "Occurrence and toxigenic potential of Aspergillus section Flavi on wheat and sorghum silages in Uruguay". Mycology. [en línea] 2020, 11(2): 147-157. 12 h. DOI: 10.1080/21501203.1752321 2150-1211 10.1080/21501203.2020.1752321 |
| instacron_str | Universidad de la República |
| institution | Universidad de la República |
| instname_str | Universidad de la República |
| language | eng |
| language_invalid_str_mv | en |
| network_acronym_str | COLIBRI |
| network_name_str | COLIBRI |
| oai_identifier_str | oai:colibri.udelar.edu.uy:20.500.12008/31649 |
| publishDate | 2020 |
| reponame_str | COLIBRI |
| repository.mail.fl_str_mv | mabel.seroubian@seciu.edu.uy |
| repository.name.fl_str_mv | COLIBRI - Universidad de la República |
| repository_id_str | 4771 |
| rights_invalid_str_mv | Licencia Creative Commons Atribución (CC - By 4.0) |
| spelling | Palacio Flangini Agustina del, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología.Pan Dinorah, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología.2022-05-25T12:46:45Z2022-05-25T12:46:45Z2020Palacio, A y Pan, D. "Occurrence and toxigenic potential of Aspergillus section Flavi on wheat and sorghum silages in Uruguay". Mycology. [en línea] 2020, 11(2): 147-157. 12 h. DOI: 10.1080/21501203.17523212150-1211https://hdl.handle.net/20.500.12008/3164910.1080/21501203.2020.1752321Species belonging to Aspergillus section Flavi occur naturally in crops and can cause food spoilage and/or toxin production. The aim of this study was to determine the occurrence and diversity of the species of Aspergillus section Flavi found in wheat and sorghum at harvest time and during silage storage, and to evaluate the toxigenic potential of the isolates to determine the contamination risk of mycotoxins in grains. Strains from Aspergillus flavus and Aspergillus parasiticus were found based on multi-gene phylogenetic analyses. This is the first report on the presence of A. parasiticus in wheat from Uruguay. Of the 80 isolates Aspergillus section Flavi, 30% produced aflatoxins (AFs), mainly type B1, and 25% produced cyclopiazonic acid (CPA). Within the isolates from wheat samples, 35% were AFs producers and 27.5% were CPA producers. Among the Aspergillus section Flavi isolates from sorghum, 25% were AFs producers while 22.5% were CPA producers. This work contributes to the knowledge of the species in crops and helps define appropriate strategies for the prevention and control of contamination with AFs and CPA by Aspergillus section Flavi fungi.Submitted by Verdun Juan Pablo (jverdun@fcien.edu.uy) on 2022-05-24T22:40:51Z No. of bitstreams: 2 license_rdf: 19875 bytes, checksum: 9fdbed07f52437945402c4e70fa4773e (MD5) 10.108021501203.2020.1752321.pdf: 1797444 bytes, checksum: 9adda643479b12a57a28afba8eb24e35 (MD5)Approved for entry into archive by Faget Cecilia (lfaget@fcien.edu.uy) on 2022-05-25T12:21:35Z (GMT) No. of bitstreams: 2 license_rdf: 19875 bytes, checksum: 9fdbed07f52437945402c4e70fa4773e (MD5) 10.108021501203.2020.1752321.pdf: 1797444 bytes, checksum: 9adda643479b12a57a28afba8eb24e35 (MD5)Made available in DSpace by Luna Fabiana (fabiana.luna@seciu.edu.uy) on 2022-05-25T12:46:45Z (GMT). No. of bitstreams: 2 license_rdf: 19875 bytes, checksum: 9fdbed07f52437945402c4e70fa4773e (MD5) 10.108021501203.2020.1752321.pdf: 1797444 bytes, checksum: 9adda643479b12a57a28afba8eb24e35 (MD5) Previous issue date: 202012 h.application/pdfenengMycological Society of ChinaMycology, 2020, 11(2): 147-157Las obras depositadas en el Repositorio se rigen por la Ordenanza de los Derechos de la Propiedad Intelectual de la Universidad de la República.(Res. Nº 91 de C.D.C. de 8/III/1994 – D.O. 7/IV/1994) y por la Ordenanza del Repositorio Abierto de la Universidad de la República (Res. Nº 16 de C.D.C. de 07/10/2014)info:eu-repo/semantics/openAccessLicencia Creative Commons Atribución (CC - By 4.0)SilageAflatoxinCyclopiazonic acidAspergillus flavusOccurrence and toxigenic potential of Aspergillus section Flavi on wheat and sorghum silages in UruguayArtículoinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionreponame:COLIBRIinstname:Universidad de la Repúblicainstacron:Universidad de la RepúblicaPalacio Flangini, Agustina delPan, DinorahLICENSElicense.txtlicense.txttext/plain; charset=utf-84267http://localhost:8080/xmlui/bitstream/20.500.12008/31649/5/license.txt6429389a7df7277b72b7924fdc7d47a9MD55CC-LICENSElicense_urllicense_urltext/plain; charset=utf-844http://localhost:8080/xmlui/bitstream/20.500.12008/31649/2/license_urla0ebbeafb9d2ec7cbb19d7137ebc392cMD52license_textlicense_texttext/html; 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- Universidad de la Repúblicafalse |
| spellingShingle | Occurrence and toxigenic potential of Aspergillus section Flavi on wheat and sorghum silages in Uruguay Palacio Flangini, Agustina del Silage Aflatoxin Cyclopiazonic acid Aspergillus flavus |
| status_str | publishedVersion |
| title | Occurrence and toxigenic potential of Aspergillus section Flavi on wheat and sorghum silages in Uruguay |
| title_full | Occurrence and toxigenic potential of Aspergillus section Flavi on wheat and sorghum silages in Uruguay |
| title_fullStr | Occurrence and toxigenic potential of Aspergillus section Flavi on wheat and sorghum silages in Uruguay |
| title_full_unstemmed | Occurrence and toxigenic potential of Aspergillus section Flavi on wheat and sorghum silages in Uruguay |
| title_short | Occurrence and toxigenic potential of Aspergillus section Flavi on wheat and sorghum silages in Uruguay |
| title_sort | Occurrence and toxigenic potential of Aspergillus section Flavi on wheat and sorghum silages in Uruguay |
| topic | Silage Aflatoxin Cyclopiazonic acid Aspergillus flavus |
| url | https://hdl.handle.net/20.500.12008/31649 |
