Metarhizium anisopliae
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Biotechnologically used organisms-from kingdom fungi
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Metarhizium anisopliae
- 1. Metarhizium anisopliae Reported by: Crisanta B. Montejo III- Gen. Sci. Student
- 2. Metarhizium anisopliae • formerly known as Entomophthora anisopliae, is a widely distributed soil-inhabiting fungus. • Elie Metchnikoff ( Russian biologist) who first experimentally tests it as microbial agent against insects in 1879 • categorized as a green muscardine fungus due to the green color of the sporulating colonies.
- 3. • has been reported to infect approximately 200 species of insects and arthropods • is not infectious or toxic to mammals • Beauveria bassiana and Metarhizium anisopliae, for control of adult malaria mosquitoes M. anisopliae
- 5. CHARACTERISTICS • the optimal temperature was 25 degrees C • uses a combination of enzymes and mechanical force to penetrate the host cuticle • has robust conidia that are easy to formulate and store M. anisopliae
- 6. HABITAT • Metarhizium species are commonly thought of as soil saprophytes and are most frequently found in disturbed habitats like agricultural fields as compared to forest ecosystems (Meyling and Eilenberg 2007). • these fungi form associations with plant roots in the rhizosphere (Hu and St. Leger 2002) M. anisopliae
- 7. LIFE CYCLE The life cycle of species within this genus will be restricted to their activity as arthropod pathogens. The development has 3 stages: M. anisopliae
- 9. Mode of action • The spores of this fungus when come in contact with the cuticle (skin) of susceptible insects, they germinate and grow directly through the cuticle • proliferates throughout the insect’s body and draining the insect of nutrients, eventually killing it.
- 10. TOLERANCE • They found that all of these isolates shared similar conidial morphology but some showed the ability to germinate at colder temperatures (i.e. 5 C M. anisopliae
- 11. Commercial Availability • Faria and Wraight (2007) determined that there were 47 different commercially- available Metarhizium-based products available around the world • different products were listed as either Metarhizium anisopliae or Metarhiziu m anisopliae var. acridum, which Green Muscle is based on. M. anisopliae
- 12. USES • used as a biological insecticide to control a number of pests as Grasshoppers, Termites,Thrips, catterpillers ..aphids/etc. • use in the control of malaria-transmitting mosquitos
- 13. • http://agresearchmag.ars.usda.gov/2006/sep/beet • http://www.isb.vt.edu/brarg/brasym95/genthner95 .htm • P. D. Bridge*, M. A. J. Williams, C. Prior, R. R. M. Paterson • http://mic.microbiologyresearch.org/content/journ al/micro/10.1099/00221287-139-6-1163 • African Journal of Biotechnology (AJB) • http://www.drrajanlaboratories.com/product8.html REFERENCES: