2001
DOI: 10.1128/jb.183.7.2178-2186.2001
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Global Analysis of Escherichia coli Gene Expression during the Acetate-Induced Acid Tolerance Response

Abstract: The ability of Escherichia coli to survive at low pH is strongly affected by environmental factors, such as composition of the growth medium and growth phase. Exposure to short-chain fatty acids, such as acetate, proprionate, and butyrate, at neutral or nearly neutral pH has also been shown to increase acid survival of E. coli and Salmonella enterica serovar Typhimurium. To investigate the basis for acetate-induced acid tolerance in E. coli O157:H7, genes whose expression was altered by exposure to acetate wer… Show more

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Cited by 216 publications
(201 citation statements)
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“…In E. coli, acetate treatment induces cfa expression (Arnold et al, 2001), and deletion increases acid-stress sensitivity (Chang and Cronan, 1999). In C. acetobutylicum, the cfa gene is differentially upregulated following acetate stress.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…In E. coli, acetate treatment induces cfa expression (Arnold et al, 2001), and deletion increases acid-stress sensitivity (Chang and Cronan, 1999). In C. acetobutylicum, the cfa gene is differentially upregulated following acetate stress.…”
Section: Discussionmentioning
confidence: 99%
“…Mechanisms of solvent and carboxylic acid toxicity/stress have been studied mostly in Gram-negative (Gram À ) organisms and notably in Escherichia coli (Arnold et al, 2001;Chang and Cronan, 1999;Hayashi et al, 2003;Isken and de Bont, 1998;Kirkpatrick et al, 2001;Roe et al, 2002;Russell and Diez-Gonzalez, 1998;Sardessai and Bhosle, 2002;Zaldivar and Ingram, 1999). For example, Gram À organisms have evolved adaptive mechanisms to tolerate solvents, including alterations in cell membrane, active secretion, and activation of general stress response (Isken and de Bont, 1998;Sardessai and Bhosle, 2002).…”
Section: Introductionmentioning
confidence: 99%
“…Acetate Shock-The effect of acetate shock induced by high concentrations of sodium acetate (100 mM) was previously studied with membrane arrays (13). Those experiments aimed to study the physiological response of E. coli to a sudden addition of a high concentration of acetate during growth in a glucose minimal medium.…”
Section: Table III the -Fold Changes Of Central Metabolic Gene Expresmentioning
confidence: 99%
“…It is known that acidic conditions lead to changes in the expression of outer membrane proteins (15,29). Also other responses of the bacterial cells to acidic stress occur at transcriptional or translational level (30), which means that it takes some time until the cell is adapted to the acidic conditions. The pH-induced closure of the outer membrane pores may provide an immediate response to acidic stress and helps the cell to survive sudden changes of the pH in the environment.…”
Section: Low Ph Closes the Maltoporin Channel In An Asymmetricmentioning
confidence: 99%