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Table 1 Presence of the operon crtOPQMN genes among non-pigmented S. aureus strains isolated from the milk of cows with clinical and subclinical mastitis, in different states in Brazil

From: First investigation of Staphylococcus argenteus in a Brazilian collections of S. aureus isolated from bovine mastitis

States
(N)
Non pigmented isolates
N (%)
crtO
N (%)
crtP
N (%)
crtQ
N (%)
crtM
N (%)
CrtN
N (%)
Complete Operon
N (%)
SP (615) 68 (11.1) 62 (91.2) 56 (82.4) 60 (88.2) 60 (88.2) 66 (97.1) 53 (77.9)
MG (130) 82 (63.1) 39 (47.6) 61 (74.4) 63 (76.8) 48 (58.6) 56 (68.3) 33 (40.2)
PE (57) 24 (42.1) 23 (95.8) 24 (100) 23 (95.8) 24 (100) 24 (100) 23 (95.8)
PR (44) 1 (2.3) 1 (100) 1 (100) 1 (100) 1 (100) 1 (100) 1 (100)
RJ (10) 10 (100) 1 (10) 10 (100) 10 (100) 6 (60) 9 (90) 1 (10)
Total (856) 185 (21.6) 126 (68.1) 152 (82.2) 157 (84.9) 139 (75.1) 156 (84.3) 111 (60)
  1. SP São Paulo, MG Minas Gerais, PE Pernambuco, PR Paraná, RJ Rio de Janeiro