It Stops Malaria but What About Bacteria?

Overview

Objectives/Goals The goal of this project is to determine if millipede secretions have antimicrobial properties. Methods/Materials Millipede secretions of Orthoporus texicolons and Archispirostreptus gigas were collected onto small, sterile filter disks. After the disks were weighed, they were placed on lawns streaked of different organisms: Streptococcus uberis, Micrococcus luteus, and Escherichia coli. The Mueller-Hinton plates were then incubated aerobically for 24 hours at 37°C. The diameter of microbial growth inhibition was measured and compared amongst the different millipede species and different bacterial organisms. Results Millipede secretions were effective in limiting the growth of E. coli, M. luteus, and S. uberis. The largest zones of diameter were seen against S. uberis while the smallest zones occurred against E. coli. It appears that the secretions of Archispirostreptus gigas were more effective in limiting the growth of S. uberis than the secretions of Orthoporus texicolons. Conclusions/Discussion I conclude that millipede secretions are effective in inhibiting the growth of E. coli, M. luteus, and S. uberis.

Awards (1)

• Category Award

Competition history

• CSEF 2006 Microbiology · Entry S1317

Resources

• CSEF project summary ↗

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