Nanocalorimetry Reveals the Growth Dynamics of Escherichia coli Cells Undergoing Adaptive Evolution during Long-Term Stationary Phase | Zendy

Alberto Robador | Zendy; Jan P. Amend | Zendy; Steven E. Finkel | Zendy

Open Access

Nanocalorimetry Reveals the Growth Dynamics of Escherichia coli Cells Undergoing Adaptive Evolution during Long-Term Stationary Phase

Author(s) -

Alberto Robador,

Jan P. Amend,

Steven E. Finkel

Publication year - 2019

Publication title -

applied and environmental microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.552

H-Index - 324

eISSN - 1070-6291

pISSN - 0099-2240

DOI - 10.1128/aem.00968-19

Subject(s) - stationary phase , biology , bacterial growth , escherichia coli , bacteria , phase (matter) , phenotype , mutant , biological system , microbiology and biotechnology , chemistry , genetics , gene , chromatography , organic chemistry

The present study is innovative in that we have identified previously unknown growth dynamics related to the temporal expression of the growth advantage in stationary phase (GASP) phenotype that allow mutants in long-term stationary-phase cultures to capitalize on the decrease of energy over prolonged incubation periods. By remaining in an active, but growth-limited, metabolic state similar to that observed in GASP cells grownin vitro , natural microbial communities might be able to prevail over much longer time scales. We believe this report to be a remarkable methodological and conceptual breakthrough in the study of the long-term survival and evolution of bacteria.

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