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Article

Common dyes used to determine bacterial polysaccharides on agar are affected by medium acidification.

Canadian journal of microbiology - 1 Jun 2017

Hawkins Justin P, Geddes Barney A, Oresnik Ivan J

Abstract excerpt

In this work, we highlight effects of pH on bacterial phenotypes when using the bacteriological dyes Aniline blue, Congo red, and Calcofluor white to analyze polysaccharide production. A study of galactose catabolism in Sinorhizobium meliloti led to the isolation of a mutation in dgoK1, which was observed to overproduce exopolysaccharides when grown in the presence of galactose. When this mutant strain was...

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Identifiers

PMID: 28253454
DOI: 10.1139/cjm-2016-0743

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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