Michal Kaliňák

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Trichoderma viride was capable of growth and conidiation in the presence of high concentrations of the uncoupler 3,3',4',5-tetrachlorosalicylanilide (up to 100 micromol x L(-1) and of the respiration inhibitor mucidin (up to 100 micromol x L(-1) ) in both submerged and surface cultivation. When vegetative mycelia were cultivated on the solid Czapek-Dox(More)
Glutamate decarboxylase (GAD) catalyses decarboxylation of glutamate to gamma-aminobutyrate (GABA) in a metabolic pathway connected to citrate cycle and known as GABA shunt. The gene (gad) was disrupted in Trichoderma atroviride CCM F-534 and viable mutants were characterized. Two of them were found to arise by homologous recombination and were devoid of(More)
When citrate was used as a sole source of carbon, citrate uptake by Penicillium simplicissimum increased 267-fold (if glucose-grown mycelium was adapted to citrate) or 1400-fold (if the fungus was grown on citrate) compared to glucose-grown mycelium. Inhibition of macromolecular synthesis prevented this stimulation of citrate uptake. Citrate uptake by(More)
The aim of this work was to study the metabolic changes during germination of Trichoderma atroviride conidia along with selected marker enzyme activities. The increase in proteinogenic amino acid concentrations together with the increase in glutamate dehydrogenase activity suggests a requirement for nitrogen metabolism. Even though the activities of(More)
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