Mechanically-driven spreading of bacterial populations
© 2015 Elsevier B.V. The effect of mechanical interactions between cells in the spreading of bacterial populations was investigated in one-dimensional space. A continuum-mechanics approach, comprising cell migration, proliferation, and exclusion processes, was employed to elucidate the dynamics. The...
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th-cmuir.6653943832-559502018-09-05T03:06:26Z Mechanically-driven spreading of bacterial populations Waipot Ngamsaad Suthep Suantai Mathematics © 2015 Elsevier B.V. The effect of mechanical interactions between cells in the spreading of bacterial populations was investigated in one-dimensional space. A continuum-mechanics approach, comprising cell migration, proliferation, and exclusion processes, was employed to elucidate the dynamics. The consequent nonlinear reaction-diffusion-like equation describes the constitution dynamics of a bacterial population. In this model, bacterial cells were treated as rod-like particles that interact with each other through hard-core repulsion, which introduces the exclusion effect that causes bacterial populations to migrate quickly at high density. The propagation of bacterial density as a traveling wave front over extended times was also analyzed. The analytical and numerical solutions revealed that the front speed was enhanced by the exclusion process, which depended upon the cell-packing fraction. Finally, we qualitatively compared our theoretical results with experimental evidence. 2018-09-05T03:06:26Z 2018-09-05T03:06:26Z 2016-06-01 Journal 10075704 2-s2.0-84951848821 10.1016/j.cnsns.2015.10.026 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84951848821&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/55950 |
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Mathematics Waipot Ngamsaad Suthep Suantai Mechanically-driven spreading of bacterial populations |
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© 2015 Elsevier B.V. The effect of mechanical interactions between cells in the spreading of bacterial populations was investigated in one-dimensional space. A continuum-mechanics approach, comprising cell migration, proliferation, and exclusion processes, was employed to elucidate the dynamics. The consequent nonlinear reaction-diffusion-like equation describes the constitution dynamics of a bacterial population. In this model, bacterial cells were treated as rod-like particles that interact with each other through hard-core repulsion, which introduces the exclusion effect that causes bacterial populations to migrate quickly at high density. The propagation of bacterial density as a traveling wave front over extended times was also analyzed. The analytical and numerical solutions revealed that the front speed was enhanced by the exclusion process, which depended upon the cell-packing fraction. Finally, we qualitatively compared our theoretical results with experimental evidence. |
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Waipot Ngamsaad Suthep Suantai |
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Waipot Ngamsaad Suthep Suantai |
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Waipot Ngamsaad |
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Mechanically-driven spreading of bacterial populations |
title_short |
Mechanically-driven spreading of bacterial populations |
title_full |
Mechanically-driven spreading of bacterial populations |
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Mechanically-driven spreading of bacterial populations |
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Mechanically-driven spreading of bacterial populations |
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mechanically-driven spreading of bacterial populations |
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2018 |
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https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84951848821&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/55950 |
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