Early detection of Aspergillus carbonarius and A. niger on table grape: a tool for quality improvement (Articolo in rivista)

Type
Label
  • Early detection of Aspergillus carbonarius and A. niger on table grape: a tool for quality improvement (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1080/19440049.2010.489576 (literal)
Alternative label
  • Ayoub F.; Reverberi M.; Ricelli A.; D'Onghia A. M.; Yaseen T. (2010)
    Early detection of Aspergillus carbonarius and A. niger on table grape: a tool for quality improvement
    in Food additives & contaminants. Part A. Chemistry, analysis, control, exposure & risk assessment (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Ayoub F.; Reverberi M.; Ricelli A.; D'Onghia A. M.; Yaseen T. (literal)
Pagina inizio
  • 1285 (literal)
Pagina fine
  • 1293 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 27 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 9 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Centre International de Hautes Etudes Agronomiques Méditerranéennes (CIHEAM/MAIB), I-70010 Valenzano, Bari, Italy; Dipartimento Biologia Vegetale Sapienza Università di Roma L.go C. di Svezia, Rome, Italy; Istituto di Chimica Biomolecolare-CNR, I-00185 Rome, Italy (literal)
Titolo
  • Early detection of Aspergillus carbonarius and A. niger on table grape: a tool for quality improvement (literal)
Abstract
  • Aspergillus carbonarius and A. niger aggregate are the main fungal contaminants of table grapes. Besides their ability to cause black rot, they can produce ochratoxin A (OTA), a mycotoxin that has attracted increasing attention worldwide. The objective of this work was to set up a simple and rapid molecular method for the early detection of both fungi in table grapes before fungal development becomes evident. Polymerase chain reaction (PCR)-based assays were developed by designing species-specific primers based on the polyketide synthases (PKSS) sequences of A. carbonarius and A. niger that have recently been demonstrated to be involved in OTA biosynthesis. Three table grape varieties (Red globe, Crimson seedless, and Italia) were inoculated with A. carbonarius and A. niger aggregate strains producing OTA. The extracted DNA from control (non-inoculated) and inoculated grapes was amplified by PCR using ACPKS2F-ACPKS2R for A. carbonarius and ANPKS5-ANPKS6 for A. niger aggregate. Both primers allowed a clear detection, even in symptomless samples. PCR-based methods are considered to be a good alternative to traditional diagnostic means for the early detection of fungi in complex matrix for their high specificity and sensitivity. The results obtained could be useful for the definition of a 'quality label' for tested grapes to improve the safety measures taken to guarantee the production of fresh table grapes. (literal)
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