Past Seminars

Here is the list of our past seminars:


Marina Elez (LJP, UPMC, Paris). Biophysics seminar ENS-ESPCI. - Marina Elez

Friday 24 November 2017 from 13:00 to 14:00 - ENS, Conf IV, 2nd floor

Mutation dynamics and fitness effects followed in single cells

Mutations have been investigated for more than a century but never witnessed in action in single cells, thus preventing direct characterization of their dynamics and reliable estimation of the distribution of their fitness effects. Such estimates have wide application and are critical for most evolutionary models/studies. We accomplished this in Escherichia coli by employing microfluidics, time-lapse imaging, and by visualizing mutations in single cells by using a fluorescent tag of the Mismatch Repair System. I will present our results obtained for strains having a wide range of mutation rates and growing under controlled condition in the absence of exogenous stress.






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Marina Elez (LJP, UPMC, Paris). Biophysics seminar ENS-ESPCI. - Marina Elez

Friday 24 November 2017 from 13:00 to 14:00 - ENS, Conf IV, 2nd floor

Mutation dynamics and fitness effects followed in single cells

Mutations have been investigated for more than a century but never witnessed in action in single cells, thus preventing direct characterization of their dynamics and reliable estimation of the distribution of their fitness effects. Such estimates have wide application and are critical for most evolutionary models/studies. We accomplished this in Escherichia coli by employing microfluidics, time-lapse imaging, and by visualizing mutations in single cells by using a fluorescent tag of the Mismatch Repair System. I will present our results obtained for strains having a wide range of mutation rates and growing under controlled condition in the absence of exogenous stress.






Seminar archive  (219)


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Practical Informations

Our weekly biophysics seminar is co-organized with colleagues at ENS and ESPCI. The audience is mainly composed of physicists with a deep (...) 

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