Abstract
Five fungal isolates belonging to theentomopathogenic fungi where had isolated inBio-insecticide Production Unit, Plant Protection Research Institute , two isolatesof Beauveriabassiana,two isolatesof Lecanicillium antillanum andone of Paecilomyces lilacinus, in addition to one isolate of Rhizopusstolonifer That grows with Lecanicillium antillanum inMycoparasitism relationship.The isolatedfungi wererecovered from Egyptian soil and from larvae of Spodopteralittoralis which found infected in a sugar beet field. Theseisolates were identified by conventional techniques in Mycological Center,Faculty of Science, Assiut University. Among these fungal species L. antillanumis a new record in Egypt. In addition, the activities of proteases, lipases,amylases and L-asparaginase of isolates fungi were recorded. The results showedthat, all isolates were active producers of extracellular hydrolytic enzymes.
Highlights
Entomopathogenic fungi are natural enemies of insects and arachnids and contribute to the regulation of their host populations
Entomopathogenic fungi display different strategies in their attachment to insect cuticle which forms the first formidable barrier to pathogens and fungal spores have to pass through certain discrete stages before breaching the insect cuticle
Entomopathogenic fungi produce many enzymes that are toxic components found in bacteria and animal venoms and may be considered as potential virulence factors (Charnley, 2003; Mustafa and Kaur 2010)
Summary
Entomopathogenic fungi are natural enemies of insects and arachnids and contribute to the regulation of their host populations. The activities of proteases, lipases, amylases and L-asparaginase of isolates fungi were recorded. The results showed that, all isolates were active producers of extracellular hydrolytic enzymes.
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Schedule a callMore From: Egyptian Academic Journal of Biological Sciences, F. Toxicology & Pest Control
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