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Directional persistence and the optimality of run-and-tumble chemotaxis

Abstract:

E. coli does chemotaxis by performing a biased random walk composed of alternating periods of swimming (runs) and reorientations (tumbles). Tumbles are typically modelled as complete directional randomisations but it is known that in wild type E. coli, successive run directions are actually weakly correlated, with a mean directional difference of ∼63°. We recently presented a model of the evolution of chemotactic swimming strategies in bacteria which is able to quantitatively reproduce the em...

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Institution:
University of Oxford
Division:
MSD
Department:
Biochemistry
Role:
Author
Journal:
Computational Biology and Chemistry More from this journal
Volume:
33
Issue:
4
Pages:
269-274
Publication date:
2009-08-01
DOI:
ISSN:
1476-9271
Language:
English
Keywords:
Pubs id:
pubs:79820
UUID:
uuid:ac3cc518-9053-462e-a7ce-eb5d9e871472
Local pid:
pubs:79820
Source identifiers:
79820
Deposit date:
2012-12-19

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