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Avijit Dutta,Chandan Nath,Md. Moktadir Billah Reza,Tridip Das,Eaftekhar Ahmed Rana,Ayesha Sultana,Mohammad Shah Jalal 대한미생물학회 2023 Journal of Bacteriology and Virology Vol.53 No.2
Staphylococcus aureus (S. aureus) not only causes significant loss of livestock pro-duction but also has potential public health risks. This study was conducted withthe objective of characterizing the antibiogram of S. aureus from goats attendinga Teaching Veterinary Hospital in Bangladesh. We aimed to study the spa type,potential virulence factor(s), and the presence of methicillin and vancomycinresistance genes in the isolates. From a total of 200 goat nasal swab samples S. aureus was confirmed by PCR. Antimicrobial susceptibility testing was performedusing the disc diffusion method followed by mecA and vanA gene PCR. Staphy-lococcal protein A (spa) typing was conducted for selected isolates. A set ofmajor virulence determinants, including sea, seb, pvl, and tst were investigatedby PCR. A total 11.5% (n=23) of S. aureus isolates were obtained. Ciprofloxacinresistance was the highest (100%; n=23) followed by cefoxitin (74%; n=17). About 91% of the isolates (n=21) were multidrug-resistant (resistant to ≥3antimicrobial classes). One (6%) isolate was MRSA harboring mecA. Among 13vancomycin-resistant isolates, three (23%) were vanA-positive. Of the virulencegenes screened, sea was recorded in four (17%) isolates. The spa typing of tworandomly selected strains revealed that one isolate belonged to spa type t5259,and the other seemed to be novel. Goats having cutaneous and mucosal lesionshad higher S. aureus carriage (P=0.01) with a significant variation across thebreeds (P= 0.02). This study provides insights into S. aureus strains circulating inthe goat population in Bangladesh.