2020
DOI: 10.1080/01652176.2020.1748253
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Virulence factors in coagulase-positive staphylococci of veterinary interest other than Staphylococcus aureus

Abstract: Coagulase-positive Staphylococci (CoPS) can exist as commensals in humans, companion and food-producing animals, but can cause severe or even lethal diseases. Exchange of these bacteria between humans and animals has been described. Special attention has been focused on Methicillin-Resistant Staphylococcus aureus, but other CoPS can also represent an important threat. In addition to significant antimicrobial resistance, these bacteria may carry a plethora of virulence factors-molecules that allow bacteria to e… Show more

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Cited by 55 publications
(45 citation statements)
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“…All screened isolates were able to produce hemolysins; overall, 80% of isolates were α hemolytic and most of them (54% of total) were α/β hemolytic. Proteases, lipases, and gelatinases are extracellular enzymes that contribute to immune evasion and host tissue penetration, mainly facilitating movement through soft tissues like the epidermis and dermis [ 13 , 42 ]. Gelatinase production was a very common characteristic among tested bacteria, with 80% of positive isolates.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…All screened isolates were able to produce hemolysins; overall, 80% of isolates were α hemolytic and most of them (54% of total) were α/β hemolytic. Proteases, lipases, and gelatinases are extracellular enzymes that contribute to immune evasion and host tissue penetration, mainly facilitating movement through soft tissues like the epidermis and dermis [ 13 , 42 ]. Gelatinase production was a very common characteristic among tested bacteria, with 80% of positive isolates.…”
Section: Discussionmentioning
confidence: 99%
“…The exact arrangement of different Staphylococcus species as saprophytic, commensal, opportunistic, or pathogens for dogs is still under evaluation. Many studies have been focused on the discovery of some bacterial or host factors that could be at the basis of disease development, even if a mix of these factors are probably involved [ 1 , 7 , 9 , 13 ]. Regarding the bacterial side, different virulence factors have been detected in strains isolated from dogs, in particular from skin lesions, including different types of exfoliative toxins, leucocidins, superantigens, enterotoxins, invasion enzymes, and biofilm producers [ 10 , 11 , 14 , 15 , 16 ].…”
Section: Introductionmentioning
confidence: 99%
“…The presence of S.aureus has been well-established in commercial products . (2,12,13,22) A mean of micrococci/staphylococci and total staphylococci were counted 4.90, 4.86 log cfu/g in the bovine meat samples and 4.91, 4.85 log cfu/g in the chicken meat samples, respectively. The detection of micrococci/ staphylococci counts in this study was lower than the 6.21…”
Section: Discussionmentioning
confidence: 99%
“…In a Danish study on 314 isolates from 60 cases of EE, exhA (20%) and exhC (18%) were also prevalent among virulent strains, although exhB (33%) was the most common virulence gene (Andresen and Ahrens, 2004). However, distribution of different exh-genes differs by geography (González-Martín et al, 2020), with exhA being the most prevalent exh-gene in Japan in 2007 (Futagawa-Saito et al, 2007). In our study, S. hyicus strains with different exh-genes differed in their susceptibility to phages: while the exhA-positive strains 07/2-4A and 83/11-1A were efficiently lysed by all but two phages, the exhC-positive strain 83/7-1B was only weakly lysed by most phages, except PITT-4 and PITT-5.…”
Section: Genetic Diversity Of Host Bacteriamentioning
confidence: 99%