Enhanced Biofilm Formation Between R. insidiosa and L. monocytogenes

Presenter's Name(s)

Sophie Unger

Conference Year

2023

Abstract

Listeria monocytogenes is a bacterial species that can contaminate a variety of food products and cause foodborne illness. Previous research has found that L. monocytogenes may form enhanced biofilms with Ralstonia insidiosa, a bacterial species commonly found in potable water. This study investigated the abilities of L. monocytogenes and R. insidiosa to produce enhanced biofilms when grown in co-culture. Our results suggest that these species do form enhanced biofilms with one another and that this enhancement is not fully dependent on direct cell-to-cell contact, as enhanced biofilm formation was observed when one species was grown with supernatant from the other.

Primary Faculty Mentor Name

Matt Wargo

Status

Undergraduate

Student College

College of Agriculture and Life Sciences

Program/Major

Biochemistry

Primary Research Category

Life Sciences

Abstract only.

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Enhanced Biofilm Formation Between R. insidiosa and L. monocytogenes

Listeria monocytogenes is a bacterial species that can contaminate a variety of food products and cause foodborne illness. Previous research has found that L. monocytogenes may form enhanced biofilms with Ralstonia insidiosa, a bacterial species commonly found in potable water. This study investigated the abilities of L. monocytogenes and R. insidiosa to produce enhanced biofilms when grown in co-culture. Our results suggest that these species do form enhanced biofilms with one another and that this enhancement is not fully dependent on direct cell-to-cell contact, as enhanced biofilm formation was observed when one species was grown with supernatant from the other.