Characterization and bio-assay of the antibiotic effect of Actinomycetes against Candida albicans, Escherichia coli and Staphylococcus aureus.

Rivera, Myline S. and Tipon, Ivy Vierre D. (1998) Characterization and bio-assay of the antibiotic effect of Actinomycetes against Candida albicans, Escherichia coli and Staphylococcus aureus. Undergraduate thesis, De La Salle University-Dasmarinas.

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Abstract

Actinomycetes is one of the main source of antibiotics due to its ability to synthesize celluse and lignin-degrading enzymes. Found mainly in soil, Actinomycetes is currently one of the major source of organic or natural antibiotics. The objective of this research is to determine which isolated genus of Actinomycetes from the soil samples exhibited the greatest antagonistic ability. Antagonistic ability was determined through a susceptibility testing with three trials per isolate for each of the three test organism. After a 24-hour incubation period, the Actinomycetes was transferred onto the freshly seeded test organism plates. Measurements of the zone of inhibition were taken after 2 days of incubation. Results showed that the genus Micromonospora was dominant over the other isolated Actinomycetes established by its presence in all three soil types. Test indicated that Micronospora exhibited that widest antagonistic ability as indicated by its widest zone of inhibition when bio-assayed with selected pathogens.

Item Type: Thesis (Undergraduate)
Additional Information: BIO 331 1998
Subjects: Q Science > QH Natural history > QH301 Biology
R Medicine > RM Therapeutics. Pharmacology
Users: College of Science and Computer Studies > Biological Science
Depositing User: Ms. Bibiana Alcantara
Date Deposited: 09 Dec 2015 01:43
Last Modified: 09 Dec 2015 01:51
URI: http://thesis.dlsud.edu.ph/id/eprint/316

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