2012
DOI: 10.21897/rmvz.242
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Occurrence and identification of yeasts in dogs external ear canal with and without otitis

Abstract: Objective. To analyze the presence of yeast in the external ear canal of 116 dogs with and without a diagnosis of otitis from veterinary clinic in the Chapecó city, Santa Catarina, Brazil, and to examine the secretion of the proteinase in isolates. Materials and methods. Were collected cerumen of conduct hearing of dogs of 16 different races 71% with pendular ear type, 5% of semi-pendular and 24% of the erect type. All dogs were previously evaluated by otoscopy and grouped in dogs with and without otitis. Resu… Show more

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Cited by 3 publications
(5 citation statements)
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“…About 27% of cases of otitis externa are reported as being caused by fungi, mainly by Malassezia pachydermatis [ 3 ]. Other fungi more or less frequently involved are Aspergillus niger, Aspergillus fumigatus, Aspergillus terreus [ 4 ], and several yeasts, such as Candida albicans [ 5 , 6 ], Candida parapsilosis, Trichosporon cutaneum , and Cryptococcus laurentii [ 7 ], as well as Candida tropicalis [ 6 , 8 ] and Rhodotorula [ 9 ].…”
Section: Introductionmentioning
confidence: 99%
“…About 27% of cases of otitis externa are reported as being caused by fungi, mainly by Malassezia pachydermatis [ 3 ]. Other fungi more or less frequently involved are Aspergillus niger, Aspergillus fumigatus, Aspergillus terreus [ 4 ], and several yeasts, such as Candida albicans [ 5 , 6 ], Candida parapsilosis, Trichosporon cutaneum , and Cryptococcus laurentii [ 7 ], as well as Candida tropicalis [ 6 , 8 ] and Rhodotorula [ 9 ].…”
Section: Introductionmentioning
confidence: 99%
“…Malassezia (Pityrosporum) was present only in 3% of the isolates. Based on this, we can conclude about the important role of yeast-like fungi in the pathogenesis of external otitis in dogs [25].…”
Section: Introductionmentioning
confidence: 77%
“…As proteases são consideradas importante fator de virulência por auxiliarem o fungo na invasão tecidual e disseminação dentro do hospedeiro (Kumar et al, 2006). Diversos estudos têm relatado a forte correlação entre a secreção de protease e o grau de virulência das cepas (Corrêa et al, 2009;Bona et al, 2012;Kalkanci et al, 2012). Coutinho & Paula (2000) avaliaram 30 isolados fúngicos provenientes de diferentes sítios anatômicos de cães com afecções e constataram que todas foram produtoras de proteases com Pz de 0,30.…”
Section: Pzunclassified
“…Coutinho & Paula (2000) avaliaram 30 isolados fúngicos provenientes de diferentes sítios anatômicos de cães com afecções e constataram que todas foram produtoras de proteases com Pz de 0,30. Outros estudos foram realizados por Coutinho (2005) e por Bona et al (2012) por cepas oriundas de cães sem e com afecções, verificando que nestes últimos, a enzima foi produzida em 31% das amostras.…”
Section: Pzunclassified
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