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Direct Measurements of Transcription Factor Binding and Dissociation at Individual Chromosomal Operators
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Cell and Molecular Biology, Computational and Systems Biology.
2014 (English)In: Biophysical Journal, ISSN 0006-3495, E-ISSN 1542-0086, Vol. 106, no 2, 444A-444A p.Article in journal, Meeting abstract (Other academic) Published
Abstract [en]

I will discuss some of our recent progress in studying transcription factor kinetics at the level of individual molecules in E. coli. I will in particular describe an assay for measuring the rate of dissociation for a LacI repressor from an individual chromosomal operator site. When combined with the corresponding association rate measurement, the assay allows us to test the commonly used assumption that TF kinetics can be considered to be at equilibrium and that the gene expression is proportional to the time the operator is free .

Place, publisher, year, edition, pages
2014. Vol. 106, no 2, 444A-444A p.
National Category
Biophysics
Identifiers
URN: urn:nbn:se:uu:diva-228602DOI: 10.1016/j.bpj.2013.11.2513ISI: 000337000402482OAI: oai:DiVA.org:uu-228602DiVA: diva2:734562
Conference
58th Annual Meeting of the Biophysical-Society, FEB 15-19, 2014, San Francisco, CA
Available from: 2014-07-18 Created: 2014-07-17 Last updated: 2017-12-05Bibliographically approved

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Elf, Johan

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