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Differentiation of Scytalidium thermophilum isolates by thermogravimetric analyses of their biomass

Published online by Cambridge University Press:  01 July 1998

GARY A. LYONS  and
H. S. SHEKHAR SHARMA
GARY A. LYONS
Affiliation:
Department of Applied Plant Science, Faculty of Agriculture and Food Science, The Queen's University of Belfast and Applied Plant Science Division, Department of Agriculture for N. Ireland, Belfast, BT9 5PX, U.K.
H. S. SHEKHAR SHARMA
Affiliation:
Department of Applied Plant Science, Faculty of Agriculture and Food Science, The Queen's University of Belfast and Applied Plant Science Division, Department of Agriculture for N. Ireland, Belfast, BT9 5PX, U.K.
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Abstract

The characterization of type cultures of the S. thermophilum complex remains unclear and morphological features have been relied upon to recognize such isolates. The aim of this study was to compare morphological and thermal methods, in order to identify relationships between cell wall and cultural characteristics. The differences in the proportions of structural and non-structural fractions and the peak decomposition temperatures of the test isolates were significant. The thermograms produced can be grouped into two distinct types, which can be further sub-divided, in agreement with microscopic classification. The relationship between the various morphological parameters including extension rate, sporulation, microscopic type and DTG parameters are discussed briefly.

Type
Research Article
Information
Mycological Research , Volume 102 , Issue 7 , July 1998 , pp. 843 - 849
Copyright
The British Mycological Society 1998

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