Genetics, Vol. 168, 541-546, September 2004, Copyright © 2004
doi:10.1534/genetics.104.028704

Stress and Survival of Aging Escherichia coli rpoS Colonies

Laboratoire de Génétique Moléculaire Evolutive et Médicale, INSERM U571, Faculté de Médecine Necker-Enfants Malades, Université Paris V, Paris 75730 Cedex 15, France

1 Corresponding author: INSERM U571, Faculté de Médecine Necker-Enfants Malades, Université Paris V, 156 rue Vaugirard, 75730 Paris Cedex 15, France.
E-mail: matic{at}necker.fr

In Escherichia coli, the expression of the RpoS regulon is known to be crucial for survival in liquid cultures during stationary phase. By measuring cell viability and by transcriptome analysis, here we show that rpoS cells as well as wild-type cells survive when they form colonies on solid media.




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