Abstract
Staphylococcus lugdunensis is a commensal bacterium in humans and other animals that can cause serious infections. The aim of this research was to estimate the frequency of S. lugdunensis in pet cats and to characterize the S. lugdunensis isolates obtained. The prevalence of S. lugdunensis was 0.77% (4/523) in healthy cats and 1.23% (1/81) in sick cats. The isolates (N = 5), which colonized conjunctival sacs, nares, and the anus, were almost fully phenotypically sensitive to antibiotics, but harbored resistance genes to four chemotherapeutic groups. Their sequence types (STs) included ST2, ST3, ST9, and ST15. There was detected a far lower prevalence of S. lugdunensis in pet cats than is reported in the human population. Nevertheless, the phenotypic and genotypic properties of S. lugdunensis isolates found in the current study were very similar to those described previously in isolates of human origin.
Highlights
Staphylococcus lugdunensis is a commensal bacterium in humans and other animals that can cause serious infections
S. lugdunensis was isolated alone; in the conjunctival sack of one healthy cat it was isolated with S. epidermidis
To the best of knowledge, there have been no reports of conjunctivitis or keratitis caused by S. lugdunensis in pets
Summary
Staphylococcus lugdunensis is a commensal bacterium in humans and other animals that can cause serious infections. The isolates (N = 5), which colonized conjunctival sacs, nares, and the anus, were almost fully phenotypically sensitive to antibiotics, but harbored resistance genes to four chemotherapeutic groups. Their sequence types (STs) included ST2, ST3, ST9, and ST15. Though S. lugdunensis has been isolated from healthy dogs and cats, severe S. lugdunensis infections of the urogenital tract, respiratory tract, deep tissues, and wounds have been reported in dogs and cats[2,7]. The aims of the present study were to describe the prevalence of S. lugdunensis in a cat population sample, to characterize the virulence potential of S. lugdunensis isolates from cats, and to evaluate factors that may predispose cats to S. lugdunensis colonization or infection. Present work follows up from a previous study focusing on the prevalence of staphylococci in c ats[8]
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