Comparison of Two Commercial Formulations of the MacConkey Agar Test for Mycobacteria
AUTOR(ES)
Kubica, George P.
RESUMO
Recent evaluations of the MacConkey agar test for differentiation of rapidly growing mycobacteria have revealed that certain strains of Mycobacterium fortuitum and M. chelonei that were expected to grow on MacConkey agar failed to do so. Investigation of two formulations of MacConkey agar showed that these two species grew better on the medium when the crystal violet dye was omitted. Several possible reasons for this difficulty are discussed. It is recommended that clinical laboratories engaged in differential identification of mycobacteria utilize commercial MacConkey agar without crystal violet when testing rapidly growing species of this genus.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=380177Documentos Relacionados
- Precipitate produced by Serratia marcescens on MacConkey agar: useful diagnostic test.
- Use of Cefoperazone MacConkey Agar for Selective Isolation of Laribacter hongkongensis
- Rapid Method for Detection of Pseudomonas aeruginosa on MacConkey Agar Under Ultraviolet Light
- USE OF A MODIFIED MacCONKEY AGAR MEDIUM FOR THE SELECTIVE GROWTH AND ENUMERATION OF ENTEROBACTERIACEAE
- Shiga Toxin Antigen Detection Should Not Replace Sorbitol MacConkey Agar Screening of Stool Specimens