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Pichia angusta is an effective biocontrol yeast against postharvest decay of apple fruit caused by Botrytis cinerea and Monilia fructicola

Fiori, Stefano and Fadda, Angela and Giobbe, Sara and Berardi, Enrico Giuseppe Roberto and Migheli, Quirico (2008) Pichia angustais an effective biocontrol yeast against postharvest decay of apple fruit caused by Botrytis cinerea and Monilia fructicola. FEMS Yeast Research, Vol. 8 (6), p. 961-963. eISSN 1567-1356. Article.

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DOI: 10.1111/j.1567-1364.2008.00424.x

Abstract

The efficacy of eight isolates of Pichia angusta against three common postharvest pathogens of apple fruit was evaluated for the first time. All tested strains showed significant biocontrol activity against both Botrytis cinerea and Monilia fructicola, whereas efficacy against Penicillium expansum was poor. A leucine-auxotrophic mutant had no significant biocontrol activity against brown rot of apple, while the addition of 0.6-1.2 g L−1 leucine in the fruit wound fully restored the biocontrol activity of this mutant against M. fructicola. Given the extremely well-developed classical and molecular genetics, the availability of genomic libraries, and its complete genomic sequence, this species can serve to elucidate the mechanisms related to biocontrol capacity.

Item Type:Article
ID Code:207
Status:Published
Refereed:Yes
Uncontrolled Keywords:Hansenula polymorpha, Ogataea polymorpha, Botryotinia fuckeliana, Monilinia fructicola, biological control, fruit decay
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/12 Patologia vegetale
Divisions:001 Università di Sassari > 02 Centri > Centro di eccellenza interdisc. sviluppo ricerca biotecnologica e studio biodiversità della Sardegna e dell'area mediterranea
001 Università di Sassari > 01 Dipartimenti > Protezione delle piante
002 Altri enti e centri di ricerca del Nord Sardegna > CNR-Consiglio Nazionale delle Ricerche > Istituto di scienze delle produzioni alimentari, Sassari
Publisher:Blackwell / Wiley
eISSN:1567-1356
Copyright Holders:© 2008 Federation of European Microbiological Societies
Deposited On:18 Aug 2009 10:01

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