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Case Reports
. 2018 Jan 24;56(2):e00839-17.
doi: 10.1128/JCM.00839-17. Print 2018 Feb.

The Brief Case: Staphylococcus intermedius Group-Look What the Dog Dragged In

William Lainhart  1 , Melanie L Yarbrough  1 , C A Burnham  2
Affiliations
Case Reports

The Brief Case: Staphylococcus intermedius Group-Look What the Dog Dragged In

William Lainhart et al. J Clin Microbiol. .
No abstract available

Keywords: Staphylococcus; Staphylococcus intermedius group; methicillin resistance.

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Figures

FIG 1
FIG 1
Colony morphologies of Staphylococcus intermedius group members and Staphylococcus aureus at 24 h of growth. (A) Colony morphology of S. aureus on a sheep blood agar plate. (B) Beta-hemolysis caused by S. aureus. The photo was taken using backlighting to highlight the hemolysis pattern. (C) Colony morphology of S. intermedius group on a sheep blood agar plate. (D) Double zone of beta-hemolysis caused by an S. intermedius group member. The photo was taken using backlighting to highlight the hemolysis pattern. (E) Growth of an S. intermedius group member on a Spectra MRSA chromogenic agar plate (Remel Microbiology Products, Lenexa, KS). (F) Growth of an S. intermedius group member on mannitol salt agar (Remel Microbiology Products).
FIG 2
FIG 2
Biochemical characteristics of Staphylococcus intermedius group members compared to those of Staphylococcus aureus, and susceptibility testing for S. intermedius group members. (A) Latex agglutination test (coagulase) result for S. aureus; (B) latex agglutination test (coagulase) result for S. intermedius group members; (C) PYR testing results for S. aureus (left, negative) and S. intermedius group members (right, positive); (D) discrepant cefoxitin (FOX 30; 26-mm diameter) and oxacillin (OX 1; 15-mm diameter) results for an S. intermedius group isolate.
See this image and copyright information in PMC

References

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    1. Wu MT, Burnham CA, Westblade LF, Dien Bard J, Lawhon SD, Wallace MA, Stanley T, Burd E, Hindler J, Humphries RM. 2016. Evaluation of oxacillin and cefoxitin disk and MIC breakpoints for prediction of methicillin resistance in human and veterinary isolates of Staphylococcus intermedius group. J Clin Microbiol 54:535–542. doi: 10.1128/JCM.02864-15. - DOI - PMC - PubMed

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