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dc.contributor.author
Merino, Maria Cecilia
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dc.contributor.author
Guidarelli, Michela
dc.contributor.author
Negrini, Francesca
dc.contributor.author
De Biase, Dario
dc.contributor.author
Pession, Annalisa
dc.contributor.author
Baraldi, Elena
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dc.date.available
2021-02-22T15:15:56Z
dc.date.issued
2019-07-29
dc.identifier.citation
Merino, Maria Cecilia; Guidarelli, Michela; Negrini, Francesca; De Biase, Dario; Pession, Annalisa; et al.; Induced expression of the Fragaria × ananassa Rapid alkalinization factor-33-like gene decreases anthracnose ontogenic resistance of unripe strawberry fruit stages; Wiley Blackwell Publishing, Inc; Molecular Plant Pathology; 20; 9; 29-7-2019; 1252-1263
dc.identifier.issn
1464-6722
dc.identifier.uri
http://hdl.handle.net/11336/126226
dc.description.abstract
Rapid alkalinization factor (RALF) genes encode for ubiquitous small peptides that stimulate apoplastic alkalinization through interaction with malectin-like receptor kinase. RALF peptides may act as negative regulators of plant immune response, inhibiting the formation of the signal receptor complex for immune activation. Recently RALF homologues were identified in different fungal pathogen genomes contributing to host infection ability. Here, FaRALF-33-like gene expression was evaluated in strawberry fruits inoculated with Colletotrichum acutatum, Botrytis cinerea, or Penicillium expansum after 24 and 48 h post-infection. To investigate the role of FaRALF-33-like in strawberry susceptibility, transient transformation was used to overexpress it in white unripe fruits and silence it in red ripe fruits. Agroinfiltrated fruits were inoculated with C. acutatum and expression, and histological analysis of infection were performed. Silencing of FaRALF-33-like expression in C. acutatum-inoculated red fruits led to a delay in fruit colonization by the fungal pathogen, and infected tissues showed less penetrated infective hyphae than in wild-type fruits. In contrast, C. acutatum-inoculated white unripe fruits overexpressing the FaRALF-33-like gene decreased the ontogenic resistance of these fruits, leading to the appearance of disease symptoms and penetrated subcuticular hyphae, normally absent in white unripe fruits. The different response of transfected strawberry fruits to C. acutatum supports the hypothesis that the FaRALF-33-like gene plays an important role in the susceptibility of fruits to the fungal pathogen C. acutatum.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
COLLETOTRICHUM ACUTATUM
dc.subject
FRAGARIA × ANANASSA
dc.subject
FUNGI
dc.subject
RALF
dc.subject
RIPENING
dc.subject.classification
Otras Ciencias Agrícolas
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dc.subject.classification
Otras Ciencias Agrícolas
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dc.subject.classification
CIENCIAS AGRÍCOLAS
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dc.title
Induced expression of the Fragaria × ananassa Rapid alkalinization factor-33-like gene decreases anthracnose ontogenic resistance of unripe strawberry fruit stages
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-12-15T14:15:17Z
dc.journal.volume
20
dc.journal.number
9
dc.journal.pagination
1252-1263
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Merino, Maria Cecilia. Universidad de Bologna; Italia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Guidarelli, Michela. Universidad de Bologna; Italia
dc.description.fil
Fil: Negrini, Francesca. Universidad de Bologna; Italia
dc.description.fil
Fil: De Biase, Dario. Universidad de Bologna; Italia
dc.description.fil
Fil: Pession, Annalisa. Universidad de Bologna; Italia
dc.description.fil
Fil: Baraldi, Elena. Universidad de Bologna; Italia
dc.journal.title
Molecular Plant Pathology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/abs/10.1111/mpp.12837
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/mpp.12837
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