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Yeast populations on the tropical timber tree species Milicia excelsa.

Li, Hong and Veenendaal, E. and Shukor, N. A. A. and Cobbinah,, J. R. and Leifert, Carlo (1995) Yeast populations on the tropical timber tree species Milicia excelsa. Letters in Applied Microbiology, 21 (5). pp. 322-326. ISSN 1472-765X

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Yeast populations found on the tropical timber tree species Milicia excelsa showed very little diversity at the genus and species level. Of 62 isolates, 87% were Cryptococcus laurentii, 5%Candida humicola, 3%Candida curvata, 1.5%Candida membranaefaciens, 1.5%Rhodotorula minuta and 1.5%Rhodotorula rubra. Approximately half of the Crypt. laurentii strains had unusual metabolic profiles when compared with the Crypt. laurentii strains in the profile library of the APILAB yeast identification software. All isolated strains were non-pathogenic and did not show antagonism against Botrytis cinerea in an in vitro plate assay. However, three strains of Crypt. laurentii suppressed disease development of B. cinerea in a leaf disk bio-assay. This indicates that protection of leaves against opportunistic fungal diseases may be part of the ecological function of Crypt. laurentii populations on Milicia leaves and the potential of this yeast species for biological control.

Item Type: Article
Journal or Publication Title: Letters in Applied Microbiology
Subjects: Q Science > QR Microbiology
ID Code: 31631
Deposited By: Mrs Yaling Zhang
Deposited On: 29 Jan 2010 09:20
Refereed?: Yes
Published?: Published
Last Modified: 07 Jan 2015 14:19
Identification Number:

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