Some Clinically Significant Genera of Dematiaceous Hyphomycetes: An Update

Singh, S. M.; Gumasta, Richa

doi:10.1007/978-981-13-9435-5_5

Cited by 2 publications

(3 citation statements)

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“…The finding that the most prevalent yeast species in cat facial hair was Malassezia pachydermatis is similar to previously reported results 21 . Concerning the lipid-dependent Malassezia group, the predominant isolate within feline specimens was Malassezia nana , representing 18.6% of the isolates procured from the facial region of cats.…”

Section: Discussionsupporting

confidence: 92%

“…Isolates from cats within the same household exhibited higher MICs against all tested drugs compared to those from cat owners. This difference is possibly due to the use of antifungal shampoos or other veterinary products 21 . Veterinary products often vary in formulation, active ingredients, and concentration compared to human medicine, creating unique selective factors on the yeast populations in animals.…”

Section: Discussionmentioning

confidence: 99%

“…In vitro-induced miconazole-tolerant Malassezia pachydermatis strains were previously performed to confirm the amino acid substitutions in the lanosterol 14-alpha-demethylase www.nature.com/scientificreports/ (ERG11) gene, which is responsible for tolerance to MZ and other azoles such as ITZ and clotrimazole. Resistance of MZ in vivo may be affected by inappropriate MZ uses, which commonly appear as active ingredients of many topical products for treating dermatitis in dogs and cats 21,37 . Therefore, further research on investigating the azole-tolerant genes related to phenotypic resistance, such as ERG11, should be conducted on isolates recovered from clinical strains.…”

Section: Malassezia Pachydermatismentioning

confidence: 99%

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Comparative analysis of the distribution and antifungal susceptibility of yeast species in cat facial hair and human nails

Yurayart,

Niae,

Limsivilai

et al. 2024

Sci Rep

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Zoonotic yeast species have been implicated in disease development in both humans and cats. This study analyzed the yeast mycobiota present in feline facial hair and human nails and explored potential interspecies associations. A total of 118 biological specimens were examined, including 59 feline facial hair and 59 human nail samples. DNA extraction and DNA sequencing were performed to identify the specific yeast species. The most predominant yeast species in humans and cats were selected for antifungal susceptibility testing (itraconazole, ketoconazole, miconazole, and terbinafine). The findings unveiled diverse yeast species in cats and humans. Malassezia pachydermatis (45.8%) and Malassezia furfur (30.5%) were the most common yeast species in cats and humans, respectively. However, no significant correlation was detected between the yeast species identified in cats and their owners residing in the same household (p > 0.05). Miconazole exhibited the highest minimum inhibitory concentrations (MICs) against Malassezia pachydermatis and Malassezia furfur in both cat and human isolates, whereas terbinafine showed the lowest MICs against most Malassezia pachydermatis and Malassezia furfur in both cat and human isolates. Diverse yeast species in cat facial hair and human nails suggest possible cross-contamination among humans, pets, and environments.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 99%

Section: Malassezia Pachydermatismentioning

confidence: 99%

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