Search results for " Pichia"

showing 3 items of 3 documents

Occurrence of Fusarium mycotoxins in Italian cereal and cereal products from organic farming.

2013

In the present study, the occurrence of eighteen mycotoxins, nine trichothecenes (deoxynivalenol, 3-acetyl-deoxynivalenol, 15-acetyl-deoxynivalenol, nivalenol, neosolaniol, diacetoxyscirpenol, fusarenon-X, T-2 toxin and HT-2 toxin), three zearalenones (zearalenone, α-zearalenol and β-zearalenol), and six emergent mycotoxins, beauvericin and five enniatins (A, A1, B, B1 and B4), was monitored in different Italian organic cereals and cereal products by using a liquid chromatography coupled to triple quadrupole mass spectrometry method. A total of 93 organic cereal samples (wheat, barley, rye and oat) were collected from Italy. Limits of quantification ranged from 5 to 15 μg/kg. 80% of analyze…

Fusariumorganic foodFood SafetyFood ContaminationMass spectrometrymedicine.disease_causeDiacetoxyscirpenolAnalytical Chemistrymycotoxin03 medical and health scienceschemistry.chemical_compound0404 agricultural biotechnologyFusariumGastric cancer Gastrokine-1 Pichia pastoris Recombinant synthesis Mass spectrometry Circular dichroism Fluorescence spectroscopy Limited proteolysis Cell proliferation.medicineFood scienceMycotoxinZearalenone030304 developmental biology2. Zero hunger0303 health sciencesOrganic AgriculturebiologyToxin04 agricultural and veterinary sciencesGeneral MedicineMycotoxinsbiology.organism_classification040401 food scienceBeauvericinchemistryAgronomyItalyEnniatinEdible GrainFood ScienceFood chemistry
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PARTIAL SEQUENCING OF THE BETA-GLUCOSIDASE-ENCODING GENE FROM YEAST STRAINS ISOLATED FROM MUSTS AND WINES

2008

The aim of the present work was the identification of the gene encoding for β-glucosidase and its partial sequencing in the strainsPichia anomala AL112,Hanseniaspora uvarum Y8 andSaccharomyces cerevisiae AL41. To this aim degenerated primers, designed on the basis of aminoacid similarities of four known yeast β-glucosidases, have been used in PCR amplifications. An expected fragment of about 200 bp was amplified from all the DNAs, cloned and sequenced. Sequence homology demonstrated for the first time the presence of a β-glucosidase encoding gene inHanseniaspora uvarum andSaccharomyces cerevisiae.

GeneticsBETA-GLUCOSIDASEbiologyPichia anomalaAscomycotaGENE PARTIAL SEQUENCINGSaccharomyces cerevisiaeSICILIAN MUSTSbiology.organism_classificationHanseniasporaSettore BIO/19 - Microbiologia GeneraleApplied Microbiology and BiotechnologyYeastGENE PARTIAL SEQUENCING; BETA-GLUCOSIDASE; SICILIAN MUSTSDNA glycosylaseβ-glucosidase gene partial sequencing Hanseniaspora uvarum Pichia anomala Saccharomyces cerevisiaeGenePichia
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Caratterizzazione molecolare di specie fungine associate al Punteruolo rosso

2009

Nella primavera 2008 nella città di Palermo, pupe, larve e di Punteruolo rosso sono stati prelevati da palme infestate ed e’ stato avviato lo studio della naturale incidenza di patogeni del punteruolo rosso. Specie fungine sono state isolate principalmente dalle pupe, infatti circa il 30% di queste erano colonizzate da funghi. I sintomi dell’infezione includevano rapida atrofia dei tessuti pupali, mancata fuoriuscita dell’adulto e morte. La dissezione delle pupe infette ha rivelato la crescita di un denso micelio, suggerendo la penetrazione delle ife e la patogenicita’. I putativi patogeni sono stati isolati su piastra e la loro identificazione e’ stata condotta mediante amplificazione e se…

Rhynchophorous ferrugineus funghi entomopatogeni patogeni naturali Pjoenix canariensis Trichosporon Pichia
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