Date of Submission

Spring 2012

Academic Program


Project Advisor 1

Brooke Jude

Abstract/Artist's Statement

Biofilm formation and violacein production increase the virulence of many types of bacteria including Janthinobacterium lividum. The aim of this study was to determine the differences seen between an environmental isolate of J. lividum and 2 transposon insertion mutants. It also looks at the differences in when the strains are grown in two different types of media. It was hoped that comparisons of the biofilm production to the environmental isolate of J. lividum would suggest the role of the mutant genes in either in quorum sensing or violacein production. The study also looked at the differences seen in the strains when they were grown in two different types of media LB and R2A. The J. lividum strains grow differently in LB and R2A and produce a more vibrant purple pigment when grown in LB.

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