Curli Produced by Escherichia coli PHL628 Provide Protection from Hg(II)

The role of curli, amyloid extracellular fibers, in the tolerance of Escherichia coli PHL628 to Hg(II) was examined. Our findings indicate that by sorbing Hg(II) extracellularly, curli protect the cells. To our knowledge, this is the first time a protective role of curli against toxic metals has bee...

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Bibliographic Details
Published in:Applied and Environmental Microbiology 2010-10, Vol.76 (20), p.6939-6941
Main Authors: Hidalgo, Gabriela, Chen, Xincai, Hay, Anthony G, Lion, Leonard W
Format: Article
Language:English
Subjects:
Bacterial Proteins - metabolism
Bacteriology
Cells
Colony Count, Microbial
E coli
Environmental Microbiology
Escherichia coli
Escherichia coli - drug effects
Escherichia coli - metabolism
Hazardous materials
Mercury
Mercury Compounds - metabolism
Mercury Compounds - toxicity
Microbial Viability - drug effects
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Summary:The role of curli, amyloid extracellular fibers, in the tolerance of Escherichia coli PHL628 to Hg(II) was examined. Our findings indicate that by sorbing Hg(II) extracellularly, curli protect the cells. To our knowledge, this is the first time a protective role of curli against toxic metals has been demonstrated.
ISSN:0099-2240
1098-5336
1098-6596
DOI:10.1128/AEM.01254-10