Mycoparasitic species of the fungal genus Trichoderma are potent antagonists able to combat plant pathogenic fungi by direct parasitism. An essential step in this mycoparasitic fungus-fungus interaction is the detection of the fungal host followed by activation of molecular weapons in the mycoparasite by host-derived signals. The Trichoderma atroviride MAP kinase Tmk1, a homolog of yeast Fus3/K...

The antagonistic potential of seven species native Trichoderma against Rhizoctonia solani f.sp. sasakii were evaluated in dual culture method which includes T. asperellum (KU933476), koningiopsis (KU904460), Hypocrea lixii (KX0113223), harzianum (KU933471), ovalisporum (KU904456), (KU904458), atroviridae (KU933472). Among them showed highest inhibition percentage (78.09%), followed by (70.95%),...

A plate confrontation experiment is commonly used to study the mechanism by which Trichoderma spp. antagonize and parasitize other fungi. Previous work with chitinase gene expression (ech42) during the precontact period of this process in which cellophane and dialysis membranes separated Trichoderma harzianum and its host Rhizoctonia solani resulted in essentially opposite results. Here, we sho...

In Ascomycota the protein methyltransferase LaeA is a global regulator that affects the expression of secondary metabolite gene clusters, and controls sexual and asexual development. The common mycoparasitic fungus Trichoderma atroviride is one of the most widely studied agents of biological control of plant-pathogenic fungi that also serves as a model for the research on regulation of asexual ...

The antagonistic potentialities of seven species native Trichoderma viz., T. atroviride, koningiopsis, ovalisporum, Hypocrea lixii, harzianum, asperellum and harzianum were evaluated in vitro against Cochliobolus heterostrophus causing maydis leaf blight maize. current study dual culture assay, revealed the percentages mycelial growth inhibition C. by atroviridae, asperellu 80.4%, 83.80%, 82.85...

In this study, effects of single and combined applications biocontrol agents; Trichoderma spp. (T. atroviride, T. virens) plant growth promoting rhizobacteria (Pseudomonas koreensis, Bacillus subtilis) on growth, wilt disease severity caused by Verticillium dahliae defence-related enzymes (peroxidase, polyphenol oxidase, phenylalanine ammonium lyase β-1,3 glucanase) eggplant, were investigated....

The several industrial applications of lipases have stimulated interest in isolation of new enzymes from novel sources. In this study, the lipase production from Trichoderma atroviride 676 was optimized by statistical design methods. The response surface methodology based on 3(3-1) fractional factorial, showed that the yeast extract and MgSO4 played a significant role on lipase production, yiel...

Forest ecosystem harbour a large number of biotic components where cellulolytic microorganisms participate actively in the biotransformation of dead and decaying organic matter and soil nutrient cycling. This study explores the aerobic culturable cellulolytic microorganisms in the forest soils of North East India. Soil samples rich in dead and decaying organic matter were collected from eight c...

BACKGROUND Improvement of the process of cellulase production and development of more efficient lignocellulose-degrading enzymes are necessary in order to reduce the cost of enzymes required in the biomass-to-bioethanol process. RESULTS Lignocellulolytic enzyme complexes were produced by the mutant Trichoderma atroviride TUB F-1663 on three different steam-pretreated lignocellulosic substrate...