biofilms

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Meet a Microbiologist: Juliana Ansari

Juliana Ansari is a laboratory supervisor with a predilection for probiotics. At Fairfield University, Juliana coordinates instructional biology labs and runs a research program with undergraduates. As a laboratory supervisor, Juliana designs lab activities, makes media, and maintains bacterial cultures and live animal collections.

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Timeshares are for bacteria too

Bacteria were once thought of as solitary individual organisms. We are finding out more and more that they behave quite contrary to this long-time perception. Bacteria form complex three-dimensional communities called biofilms. In biofilms, cells stick to each other and are encased in a sticky, slimy matrix proteins and sugars. It has been known for some time that cells within a biofilm communicate with one another. Now, researchers from the University of California San Diego and Universitat Pompeu Fabra determined for the first time, that neighboring biofilm communities communicate with one another to share resources. (more…)