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Kinetics of antimicrobial peptide activity measured on individual bacterial cells using high-speed atomic force microscopy

Open access
Fantner, Georg E., Barbero, Roberto J., Gray, David S., Belcher, Angela M.·2010·Nature Nanotechnology

Abstract

Observations of real time changes in living cells have contributed much to the field of cellular biology. Eluding the field thus far is the ability to image whole, living cells with nanometre resolution on a time scale that is relevant to dynamic cellular processes1,2. Here we investigate the kinetics of individual bacterial cell death using a novel high-speed atomic force microscope (AFM) optimized for imaging live cells in real time. The increased time resolution (13 seconds per image) allows the characterization of the initial stages of the action of the antimicrobial peptide (AmP) CM15 on individual Escherichia coli cells with nanometre resolution. Our results suggest that the killing process is a combination of a time-variable incubation phase (which takes seconds to minutes to complete) and a more rapid execution phase.

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Crossref · 10.1038/nnano.2010.29

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Metadata

Authors
Fantner, G. E., Barbero, R. J., Gray, D. S., & Belcher, A. M.
Venue
Nature Nanotechnology
Published
2010-03-14
Volume
5
Issue
4
Pages
280-285
ISSN
  • 1748-3387 (ISSN-L)
  • 1748-3395
OpenAlex
W1971040914
Cited by
341
References
1
FWCI
15.17
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Kinetics of antimicrobial peptide activity measured on individual bacterial cells using high-speed atomic force microscopy. https://app.cochat.ai/papers/10.1038/nnano.2010.29
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Fantner, G. E., Barbero, R. J., Gray, D. S., & Belcher, A. M. (2010). Kinetics of antimicrobial peptide activity measured on individual bacterial cells using high-speed atomic force microscopy. Nature Nanotechnology. https://doi.org/10.1038/nnano.2010.29

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