New Zealand Journal of Crop and Horticultural Science abstracts
Review
Genetic basis of mycoparasitism: a mechanism of biological control by
species of Trichoderma
J. M. Steyaert1
H. J. Ridgway1,2
Y. Elad3
A. Stewart1,2,†
1Soil, Plant and Ecological Sciences Division
P.O. Box 84, Lincoln University
Canterbury, New Zealand
email: stewarta@lincoln.ac.nz
2National Centre for Advanced Bio-Protection Technologies
P.O. Box 84, Lincoln University
Canterbury, New Zealand
3Department of Plant Pathology
ARO, The Volcani Center
Bet Dagan 50250, Israel
†Corresponding author
Abstract Biocontrol of fungal plant pathogens through
the use of mycoparasitic fungi is an environmentally sustainable approach
to management of plant diseases. Mycoparasitism by Trichoderma spp.
primarily involves production of cell-wall degrading enzymes. Isolation and
characterisation of the corresponding genes have revealed major insights
into the underlying genetic basis of mycoparasitism, implicating various
regulatory pathways such as carbon and nitrogen catabolite repression. A
summary is presented here of the current state of knowledge in molecular
regulation of mycoparasitism by Trichoderma species.
Keywords antagonist; biocontrol; cell wall degrading
enzymes; genetics; lysis; mycoparasitism; Trichoderma
H03038 Received 9 April 2003; accepted 11 August 2003; Online publication
date 3 November 2003
New Zealand Journal of Crop and Horticultural Science, 2003, Vol. 31:
281-291
0014-0671/03/3104-0281 $7.00 © The Royal Society of New Zealand
2003
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