Model for mutation in bacterial populations

被引:6
作者
Donangelo, R
Fort, H
机构
[1] Univ Fed Rio de Janeiro, Inst Fis, BR-21945970 Rio De Janeiro, Brazil
[2] Fac Ciencias, Inst Fis, Montevideo 11400, Uruguay
关键词
D O I
10.1103/PhysRevLett.89.038101
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We describe the evolution of E. coli populations through a Bak-Sneppen-type model which incorporates random mutations. We show that, for a value of the mutation level which coincides with the one estimated from experiments, this model reproduces the measures of mean fitness relative to that of a common ancestor, performed for over 10 000 bacterial generations.
引用
收藏
页码:381011 / 381014
页数:4
相关论文
共 12 条
  • [1] PUNCTUATED EQUILIBRIUM AND CRITICALITY IN A SIMPLE-MODEL OF EVOLUTION
    BAK, P
    SNEPPEN, K
    [J]. PHYSICAL REVIEW LETTERS, 1993, 71 (24) : 4083 - 4086
  • [2] COEVOLUTION IN A RUGGED FITNESS LANDSCAPE
    BAK, P
    FLYVBJERG, H
    LAUTRUP, B
    [J]. PHYSICAL REVIEW A, 1992, 46 (10): : 6724 - 6730
  • [3] Bacterial evolution and the Bak-Sneppen model
    Bose, I
    Chaudhuri, I
    [J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS C, 2001, 12 (05): : 675 - 683
  • [4] DONANGELO R, IN PRESS
  • [5] A CONSTANT RATE OF SPONTANEOUS MUTATION IN DNA-BASED MICROBES
    DRAKE, JW
    [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1991, 88 (16) : 7160 - 7164
  • [6] Punctuated evolution caused by selection of rare beneficial mutations
    Elena, SF
    Cooper, VS
    Lenski, RE
    [J]. SCIENCE, 1996, 272 (5269) : 1802 - 1804
  • [7] MEAN-FIELD THEORY FOR A SIMPLE-MODEL OF EVOLUTION
    FLYVBJERG, H
    SNEPPEN, K
    BAK, P
    [J]. PHYSICAL REVIEW LETTERS, 1993, 71 (24) : 4087 - 4090
  • [8] EVOLUTION IN A RUGGED FITNESS LANDSCAPE
    FLYVBJERG, H
    LAUTRUP, B
    [J]. PHYSICAL REVIEW A, 1992, 46 (10): : 6714 - 6723
  • [9] Jensen H. J., 1998, CAMBRIDGE LECT NOTES
  • [10] COEVOLUTION TO THE EDGE OF CHAOS - COUPLED FITNESS LANDSCAPES, POISED STATES, AND COEVOLUTIONARY AVALANCHES
    KAUFFMAN, SA
    JOHNSEN, S
    [J]. JOURNAL OF THEORETICAL BIOLOGY, 1991, 149 (04) : 467 - 505