First isolation of the Stephanoascus ciferrii in feline otitis in Brazil

Gomes, Angelita dos Reis; Cabana, Ângela Leitzke; Osório, Luíza da Gama; Santin, Rosema; Schuch, Isabel Duarte; Serra, Emanoele Figueiredo; Nascente, P. S.; Meireles, Mário Carlos Araújo

doi:10.1590/s1517-83822014000300045

Cited by 2 publications

(1 citation statement)

References 9 publications

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“…Moreover, in 2013, C. ciferrii was found on the body surface and jaws/pharynx of Hirudo verbana leeches in Poland [127], despite no human infections having been reported in that country. In 2000, Kano et al [42] isolated in Japan the first S. ciferrii strain from a cat suffering from feline otitis followed by another case in 2014 in Brazil [128]. In 2006, Ullao et al [129] reported that Candida ciferrii was the most common yeast species isolated in bat guano in Mexico.…”

Section: S Ciferrii Complex In the One Health Perspectivementioning

confidence: 99%

Stephanoascus ciferrii Complex: The Current State of Infections and Drug Resistance in Humans

Cosio,

Pica,

Fontana

et al. 2024

JoF

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In recent years, the incidence of fungal infections in humans has increased dramatically, accompanied by an expansion in the number of species implicated as etiological agents, especially environmental fungi never involved before in human infection. Among fungal pathogens, Candida species are the most common opportunistic fungi that can cause local and systemic infections, especially in immunocompromised individuals. Candida albicans (C. albicans) is the most common causative agent of mucosal and healthcare-associated systemic infections. However, during recent decades, there has been a worrying increase in the number of emerging multi-drug-resistant non-albicans Candida (NAC) species, i.e., C. glabrata, C. parapsilosis, C. tropicalis, C. krusei, C. auris, and C. ciferrii. In particular, Candida ciferrii, also known as Stephanoascus ciferrii or Trichomonascus ciferrii, is a heterothallic ascomycete yeast-like fungus that has received attention in recent decades as a cause of local and systemic fungal diseases. Today, the new definition of the S. ciferrii complex, which consists of S. ciferrii, Candida allociferrii, and Candida mucifera, was proposed after sequencing the 18S rRNA gene. Currently, the S. ciferrii complex is mostly associated with non-severe ear and eye infections, although a few cases of severe candidemia have been reported in immunocompromised individuals. Low susceptibility to currently available antifungal drugs is a rising concern, especially in NAC species. In this regard, a high rate of resistance to azoles and more recently also to echinocandins has emerged in the S. ciferrii complex. This review focuses on epidemiological, biological, and clinical aspects of the S. ciferrii complex, including its pathogenicity and drug resistance.

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Section: S Ciferrii Complex In the One Health Perspectivementioning

confidence: 99%

Stephanoascus ciferrii Complex: The Current State of Infections and Drug Resistance in Humans

Cosio,

Pica,

Fontana

et al. 2024

JoF

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Otodectic and bacterial etiology of feline otitis externa in Tripoli, Libya

Hiblu¹,

Ellraiss²,

Karim³

et al. 2021

Open Vet J.

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Background: Feline otitis externa is a dermatological disorder with a multifactorial complex etiology.Aim: This study aimed to investigate the prevalence of different etiological agents, particularly the parasitic and bacterial, responsible for the cases of feline otitis externa in Tripoli, Libya, and to assess the antimicrobial susceptibility of the bacterial isolates from those cases.Methods: Cerumen and otic discharges of the suspected cats were collected for parasite detection and bacterial culture. Kirby–Bauer’s disk diffusion method was used for antimicrobial susceptibility testing.Results: The results showed that otodectic mites and bacterial causes were equally the most prevalent in those cases, with a prevalence of 47.1% each. Otodectes cynotis infestation was more frequently bilateral and severe. Staphylococcus spp. were the most prevalent among bacterial causes (75%), followed by Proteus spp. (16.6%) and Pseudomonas spp. (8.4%). Norfloxacin and gentamicin were the most effective antimicrobials against bacterial isolates, as they were effective against 83.3% and 70.8% of isolates, respectively.Conclusion: Otodectes cynotis infestation and staphylococcal infections constituted the most common etiology of feline otitis externa in Tripoli, Libya, and norfloxacin represented a cogent antibacterial for the treatment of otitis externa.

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First isolation of the Stephanoascus ciferrii in feline otitis in Brazil

Cited by 2 publications

References 9 publications

Stephanoascus ciferrii Complex: The Current State of Infections and Drug Resistance in Humans

Stephanoascus ciferrii Complex: The Current State of Infections and Drug Resistance in Humans

Otodectic and bacterial etiology of feline otitis externa in Tripoli, Libya

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