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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Contributed Talk 5: Uptake levelling in chemotactic bacteria measured by the Gini index
Contributed Talk 5: Uptake levelling in chemotactic bacteria measured by the Gini indexAdd to your list(s) Download to your calendar using vCal
If you have a question about this talk, please contact Mustapha Amrani. This talk has been canceled/deleted Co-author: Raymond E. Goldstein (University of Cambridge) Classic experiments on the accumulation of ducks around distinct food sources found consistency with the `ideal free’ distribution in which the local population is proportional to the local supply rate: the animal behaviour smoothes the individual uptake over the population. Motivated by this, we examine the analogous problem in the microbial world: the distribution of chemotactic bacteria around multiple nearby food sources and their associated uptake. Through a series of simple models we illustrate how chemotaxis, nutrient consumption, and diffusion of both bacteria and nutrients conspire to produce spatial distributions with unequal resource uptake. It is suggested that the Gini index, well known in theoretical economics, provides a useful quantification of these effects. This talk is part of the Isaac Newton Institute Seminar Series series. This talk is included in these lists:This talk is not included in any other list Note that ex-directory lists are not shown. |
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