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Taxonomy of Penicillium chrysogenum and related xerophilic species, based on isozyme analysis

Published online by Cambridge University Press:  01 May 1997

SØREN BANKE ,
JENS C. FRISVAD  and
SØREN ROSENDAHL
SØREN BANKE
Affiliation:
Department of Mycology, University of Copenhagen, Øster Farimagsgade 2D, DK-1353 Copenhagen K, Denmark
JENS C. FRISVAD
Affiliation:
The Mycology Group, Department of Biotechnology, Building 221, Technical University of Denmark, DK-2800 Lyngby, Denmark
SØREN ROSENDAHL
Affiliation:
Department of Mycology, University of Copenhagen, Øster Farimagsgade 2D, DK-1353 Copenhagen K, Denmark
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Abstract

Eighty-four isolates of Penicillium chrysogenum and related species were examined by isozyme analysis. Four main groups could be defined by cluster analysis; P. chrysogenum var. chrysogenum, P. flavigenum sp. nov., P. chrysogenum var. dipodomyis and P. nalgiovense. P. flavigenum is described as new species, and P. chrysogenum var. dipodomyis raised to species level as P. dipodomyis. The genetic distance between these groups was calculated by employing a formula that accounts for the differences in alleles and loci obtained by isozyme analysis of these fungi. The genetic distances and cluster analysis suggest that the groups should be considered as four separate species. The practical implication of the separation and the ecological characteristics of the four species are discussed.

Type
Research Article
Information
Mycological Research , Volume 101 , Issue 5 , May 1997 , pp. 617 - 624
Copyright
The British Mycological Society 1997

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