BMC Evolutionary Biology

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Open Access Highly Access Research article

Experimental evolution of aging in a bacterium

Martin Ackermann1,2*, Alexandra Schauerte2, Stephen C Stearns3 and Urs Jenal2

Author Affiliations

1 Institute of Integrative Biology, ETH Zürich, CH-8092 Zürich, Switzerland

2 Division of Molecular Microbiology, Biozentrum, University of Basel, CH-4056 Basel, Switzerland

3 Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT 06520-8106, USA

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BMC Evolutionary Biology 2007, 7:126 doi:10.1186/1471-2148-7-126

Published: 28 July 2007

Additional files

Additional file 1:

Detailed description of the evolutionary changes in population doubling time. This file contains an additional figure (S1) depicting changes in the population doubling time during 211 days of experimental evolution, based on daily measurement, as well as a description of the methods.

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Additional file 2:

The effect of juvenile mortality on the age-specific strength of selection. This file contains a mathematical model used for analyzing the effect of juvenile mortality on the age-specific strength of selection. The strength of selection was calculated for populations that grow exponentially (additional figure S2) and for populations that are at equilibrium (additional figure S3).

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