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Pathology. 1975 Oct;7(4):281-3.

Unstable gentamicin resistance with linkage to colony size in Pseudomonas aeruginosa.


Three strains of Pseudomonas aeruginosa have shown unstable resistance to gentamicin and a firm linkage between this property and the size of colonies produced on nutrient agar. The resistant parent cells yield distinctly smaller colonies than the sensitive variants. As a point of clinical interest, the smaller colonies may be obscured by the larger and the detection of gentamicin resistance compromised.

[Indexed for MEDLINE]

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