Dermatophytes and Dermatophytosis

Arenas, Roberto; Reyes-Montes, María del Roció; Duarte-Escalante, Esperanza; Frías-De-León, María Guadalupe; Martínez‐Herrera, Erick

doi:10.1007/978-3-319-64113-3_13

Cited by 4 publications

(2 citation statements)

References 212 publications

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“…In Cuba, Sordo Cuervo reported the first case of CBM in 1912, but his report was not well documented, and it was not until 1941 that the strain was identified as F. pedrosoi [11]. Since 1978, the training of dermatologists and mycologists has been suggested, as well as a place for consultations, and early diagnosis and treatment is emphasized [7].…”

Section: Discussionmentioning

confidence: 99%

Etiological Diagnosis and Correlation of Chromoblastomycosis with Climatic Variables of Weather Stations in Villa Clara, Cuba

Dianiley García Gómez,

Ricardo Osés Rodríguez,

Daniel Artiles Martínez

et al. 2023

ABJAR

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In Villa Clara province, Cuba, microorganisms and climatic conditions coexist for the development of the infectious entity chromoblastomycosis. Besides, there is a high percentage of agricultural and handicraft workers exposed to acquiring this infection. The objective of the research consisted in describing the etiological diagnosis and correlating chromoblastomycosis with average climatic variables of the meteorological stations located in Villa Clara. Between 2018-2022, a descriptive, cross-sectional study was conducted in a population of 25 patients diagnosed with chromoblastomycosis by anatomopathological and microbiological studies. Absolute frequencies were used as a summary measure, and for correlation with climatic data from the five meteorological stations, inferential statistics. Of the total number of patients, 92% were diagnosed by anatomopathological studies and only 2/8% had mycological studies, in which the species Fonsecaea pedrosoi was isolated. There was a significant correlation between mean temperature (p=0.045) and mean predicted wind (p=0.028) and the number of cases. This was not the case with relative air humidity (p>0.05). It is concluded that in Villa Clara province, only the etiological agent F. pedrosoi was the cause of the disease during the period studied, with a significant relationship between the disease and the average climatic variables mean temperature and mean predicted wind.

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Section: Discussionmentioning

confidence: 99%

Etiological Diagnosis and Correlation of Chromoblastomycosis with Climatic Variables of Weather Stations in Villa Clara, Cuba

Dianiley García Gómez,

Ricardo Osés Rodríguez,

Daniel Artiles Martínez

et al. 2023

ABJAR

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“…Tinea capitis is the most common dermatophytosis among children and adolescents [1]. These pathogens are mostly from animal (zoophilic) dermatophytes whose sources of infection are mostly house pets and less often from farm animals [2]. In Nigeria-probably due to immigration and large urban densities as compared to villages.…”

Section: Introductionmentioning

confidence: 99%

Assessment of Antidermatophytic Activity and chemical composition of Nigerian Citrus senensis (L.) Osbeck Essential Oil against Multidrug-Resistant Pathogenic dermatophytes Isolated from Tinea capitis Samples

Ungo-kore

Ehinmidu

Onaolapo

et al. 2021

Archives of Pharmaceutical Sciences Ain Shams University

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Essential oil (EO) may confer a possible panacea to fight against multidrug-resistant dermatophytes. This study aims at determining the antidermatophytic activity of EO from the fruit peel of Nigerian Citrus senensis (L.) Osbeck against multidrug-resistant (MDR) tinea capitis dermatophytes and their possible chemical composition. The EO was reaped by hydro-distillation and the chemical composition was investigated using gas chromatography/ mass spectroscopy (GC-MS). The antidermatophytic activity was evaluated using the agar diffusion method against four dermatophyte strains (Two MDR dermatophytes, one reference strain, and one susceptible). The minimum inhibitory and fungicidal concentrations (MIC/MFC) were determined by agar dilution methods. The test results revealed EO to be active against all strains. The EO subjected to boiling temperature (100 0 C) had an increased amount of α-terpineol, β-Linalool, Carveol, Carvone, and other imaginative compounds such as 1-Octanol (Heptyl carbinols) with increased antidermatophytic activity. Our study suggests that this EO could be used clinically to treat or prevent dermatophytic infections associated with multidrug-resistant strains.

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Molecular Characterisation and Phylogenetic Analysis of Dermatophytic Fungi Isolated from Tinea Capitis in Northwest Nigeria Using Sequence of the 28S rRNA

Ungo-kore

Ehinmidu

Onaolapo

et al. 2021

Microbiology Research

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The detection and identification of fungal DNA from clinical samples is one of the fundamental approaches in biomedicine. The incidence, distribution, and control of dermatophytes has progress significantly and the use of phylogenetic species concepts based on rRNA regions have enhanced the taxonomy of dermatophyte species; however, the use of 28S rDNA genes has certain limitations. This gene has been used in dermatophyte taxonomy with limited enumeration; we appraised the sequence disparity within and among groups of the species, the gene ranking in identification, phylogenetic analysis, and taxonomy of 32 strains of eight dermatophyte species. In this study, a set of primers was adopted to amplify the target followed by a partial sequencing of the rDNA. The utilization of a pairwise nucleotide differentiation, an affinity was observed among eight dermatophyte species, with disparity among species ranging from 0 to 197 base pair (bp). Intra-species bp differences were found within strains of Trichophyton eriotrephon, Trichophyton bullosum, Trichophyton simii (Trichophyton genus), Microsporum audouinii, and Trichophyton tonsurans (Microsporum and Trichophyton genus, respectively); however, only some strains of Trichophyton eriotrephon were found to be invariant having three genotypes. Trichophyton tonsurans exhibited most intra-species variability. The characterization and construction of a phylogenetic tree of 28S rDNA gene on dermatophyte species provide a bedrock of an additional finding of connections between species. However, 28S rRNA capture provides a novel method of effective and sensitive detection of dermatophytes lodged in human skin scale. We report for the first time the emergence of T. eriotrephon, T. bullosum, T. simii, T. benhamiae, and Ctenomyces serratus dermatophytes from Tinea capitis in Nigeria.

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Dermatophytes and Dermatophytosis

Cited by 4 publications

References 212 publications

Etiological Diagnosis and Correlation of Chromoblastomycosis with Climatic Variables of Weather Stations in Villa Clara, Cuba

Etiological Diagnosis and Correlation of Chromoblastomycosis with Climatic Variables of Weather Stations in Villa Clara, Cuba

Assessment of Antidermatophytic Activity and chemical composition of Nigerian Citrus senensis (L.) Osbeck Essential Oil against Multidrug-Resistant Pathogenic dermatophytes Isolated from Tinea capitis Samples

Molecular Characterisation and Phylogenetic Analysis of Dermatophytic Fungi Isolated from Tinea Capitis in Northwest Nigeria Using Sequence of the 28S rRNA

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