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Pichia anomala and Kluyveromyces wickerhamii killer toxins as new tools against Dekkera/Brettanomyces spoilage yeasts

Comitini, Francesca and De Ingeniis, Jessica and Pepe, Laura and Mannazzu, Ilaria Maria and Ciani, Maurizio (2004) Pichia anomalaand Kluyveromyces wickerhamii killer toxins as new tools against Dekkera/Brettanomyces spoilage yeasts. FEMS Microbiology Letters, Vol. 238 (1), p. 235-240. eISSN 1574-6968. Article.

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DOI: 10.1111/j.1574-6968.2004.tb09761.x

Abstract

Two yeast killer toxins active on spoilage yeasts belonging to the genus Dekkera/Brettanomyces are here described for the first time. The two toxins produced by Pichia anomala (DBVPG 3003) and Kluyveromyces wickerhamii (DBVPG 6077), and named Pikt and Kwkt, respectively, differ for molecular weight and biochemical properties. Interestingly, the fungicidal effect exerted by Pikt and Kwkt against Dekkera bruxellensis is stable for at least 10 days in wine. Thus, a potential application for the two toxins as antimicrobial agents active on Dekkera/Brettanomyces during wine ageing and storage can be hypothesised.

Item Type:Article
ID Code:3817
Status:Published
Refereed:Yes
Uncontrolled Keywords:Pichia anomala, Kluyveromyces wikerhamii, killer toxin, Dekkera/Brettanomyces, spoilage wine yeasts
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/16 Microbiologia agraria
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze ambientali agrarie e biotecnologie agro-alimentari
Publisher:Elsevier
eISSN:1574-6968
Copyright Holders:© 2004 Federation of European Microbiological Societies
Deposited On:04 May 2010 09:44

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