Simple Person's Applied Math Seminar (SPAMS)
Thursday, September 20, 2018 at 6:00pm to 7:00pm
Room 2-132
SPEAKER: Boya Song (Massachusetts Institute of Technology)
TITLE: Three-dimentional order and structure in growing biofilms
ABSTRACT:
*V. cholerae* cells can swim through liquids as isolated individuals, but are more commonly attached to surfaces where they grow into clonal colonies termed biofilms, with reproducible spatial organization, global morphology, and cellular arrangements. Biofilm architectures often display striking local nematic order analogous to molecular ordering in abiotic liquid crystals, yet biofilms differ fundamentally in that they are active systems, driven by cell growth and metabolism. In this talk we will present an effective cell-cell interaction potential which captures and predicts the growth dynamics, emergent architecture, and local liquid crystalline order of *Vibrio cholerae* biofilms. Some follow-up work will also be discussed briefly if time permitted.
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