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Cited by 406

The DOI matches its OpenAlex record; 12 of the 12 references it cites were found in a registry or an index.

Use of the Gram stain in microbiology

Terrance J. Beveridge·2001·Biotechnic & Histochemistry

Abstract

The Gram stain differentiates bacteria into two fundamental varieties of cells. Bacteria that retain the initial crystal violet stain (purple) are said to be "gram-positive," whereas those that are decolorized and stain red with carbol fuchsin (or safranin) are said to be "gram-negative." This staining response is based on the chemical and structural makeup of the cell walls of both varieties of bacteria. Gram-positives have a thick, relatively impermeable wall that resists decolorization and is composed of peptidoglycan and secondary polymers. Gram-negatives have a thin peptidoglycan layer plus an overlying lipid-protein bilayer known as the outer membrane, which can be disrupted by decolorization. Some bacteria have walls of intermediate structure and, although they are officially classified as gram-positives because of their linage, they stain in a variable manner. One prokaryote domain, the Archaea, have such variability of wall structure that the Gram stain is not a useful differentiating tool.

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Metadata

Authors
Beveridge, T. J.
Venue
Biotechnic & Histochemistry
Publisher
Taylor & Francis
Published
2001-01-01
Volume
76
Issue
3
Pages
111-118
ISSN
1052-0295 (ISSN-L)
OpenAlex
W2028153733
Cited by
406
References
12
FWCI
0.67
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Use of the Gram stain in microbiology. https://app.cochat.ai/papers/10.1080/714028139
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Beveridge, T. J. (2001). Use of the Gram stain in microbiology. Biotechnic & Histochemistry. https://doi.org/10.1080/714028139

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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