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Visualization of Phospholipid Domains in Escherichia coli by Using the Cardiolipin-Specific Fluorescent Dye 10- N -Nonyl Acridine Orange

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Mileykovskaya, Eugenia, Dowhan, William·2000·Journal of Bacteriology

Abstract

Cardiolipin (CL)-specific fluorescent dye 10- N -nonyl-acridine orange (NAO) was used to visualize CL distribution in Escherichia coli cells of different phospholipid compositions. In a filamentous mutant containing only anionic phospholipids, green fluorescent spots were observed along the filaments at approximately regular intervals. Three-dimensional image reconstruction obtained by optical sectioning and a deconvolution algorithm revealed NAO-binding domains in the plane of the cell membrane. Substantial red fluorescence emission of bound NAO supported labeling of CL-containing domains. These structures were not found in mutants deficient in CL biosynthesis. The domains were also observed mostly in the septal region and on the poles in cells of normal size with wild-type phospholipid composition.

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Metadata

Authors
Mileykovskaya, E., & Dowhan, W.
Venue
Journal of Bacteriology
Published
2000-02-15
Volume
182
Issue
4
Pages
1172-1175
ISSN
  • 0021-9193 (ISSN-L)
  • 1098-5530
OpenAlex
W2101040320
Cited by
432
References
0
FWCI
3.72
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Visualization of Phospholipid Domains in Escherichia coli by Using the Cardiolipin-Specific Fluorescent Dye 10- N -Nonyl Acridine Orange. https://app.cochat.ai/papers/10.1128/jb.182.4.1172-1175.2000
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Mileykovskaya, E., & Dowhan, W. (2000). Visualization of Phospholipid Domains in Escherichia coli by Using the Cardiolipin-Specific Fluorescent Dye 10- N -Nonyl Acridine Orange. Journal of Bacteriology. https://doi.org/10.1128/jb.182.4.1172-1175.2000

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