scholarly journals Tinea Capitis Caused by Microsporum audouinii: Lessons from a Swedish Community Outbreak

2021 ◽  
Vol 101 (9) ◽  
pp. adv00551
Author(s):  
S Calander ◽  
D Saunte ◽  
S Polesie
Keyword(s):  
Tinea Capitis ◽  
Microsporum Audouinii

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

2021 ◽  
Vol 12 (3) ◽  
pp. 646-655
Author(s):  
Hussain Yahaya Ungo-kore ◽  
Joseph Olorunmola Ehinmidu ◽  
Josiah Ademola Onaolapo ◽  
Olayeni Stephen Olonitola
Keyword(s):  
Phylogenetic Analysis ◽  
Tinea Capitis ◽  
28S Rdna ◽  
Clinical Samples ◽  
28S Rrna ◽  
Trichophyton Tonsurans ◽  
Detection And Identification ◽  
Microsporum Audouinii ◽  
Trichophyton Simii ◽  
Dermatophyte Species

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.

Tinea capitis. Emergencia de Microsporum audouinii y Trichophyton tonsurans en la República Dominicana

2010 ◽  
Vol 101 (4) ◽  
pp. 330-335 ◽  
Author(s):  
R. Arenas ◽  
E. Torres ◽  
M. Amaya ◽  
E.R. Rivera ◽  
A. Espinal ◽  
...  
Keyword(s):  
Tinea Capitis ◽  
Trichophyton Tonsurans ◽  
Microsporum Audouinii

scholarly journals Belgian National Survey on Tinea Capitis: Epidemiological Considerations and Highlight of Terbinafine-Resistant T. mentagrophytes with a Mutation on SQLE Gene

2020 ◽  
Vol 6 (4) ◽  
pp. 195
Author(s):  
Rosalie Sacheli ◽  
Saadia Harag ◽  
Florence Dehavay ◽  
Séverine Evrard ◽  
Danielle Rousseaux ◽  
...  
Keyword(s):  
Tinea Capitis ◽  
Trichophyton Mentagrophytes ◽  
Strain Identification ◽  
Squalene Epoxidase ◽  
Trichophyton Soudanense ◽  
Microsporum Audouinii ◽  
National Reference Center ◽  
Emergence Of Resistance ◽  
Main Population ◽  
Epidemiological Information

Background: In this last decade, a huge increase in African anthropophilic strains causing tinea capitis has been observed in Europe. The Belgian National Reference Center for Mycosis (NRC) conducted a surveillance study on tinea capitis in 2018 to learn the profile of circulating dermatophytes. Methods: Belgian laboratories were invited to send all dermatophyte strains isolated from the scalp with epidemiological information. Strain identification was confirmed by ITS (Internal Transcribed Spacer) sequencing. Mutation in the squalene epoxidase (SQLE) gene was screened by PCR. Results: The main population affected by tinea capitis was children from 5–9 years. Males were more affected than females. The majority of the strains were collected in the Brussels area followed by the Liege area. Among known ethnic origins, African people were more affected by tinea capitis than European people. The major aetiological agent was Microsporum audouinii, followed by Trichophyton soudanense. One strain of Trichophyton mentagrophytes has been characterized to have a mutation on the squalene epoxidase gene and to be resistant to terbinafine. Conclusions: African anthropophilic dermatophytes are mainly responsible for tinea capitis in Belgium. People of African origin are most affected by tinea capitis. The monitoring of terbinafine resistance among dermatophytes seems necessary as we have demonstrated the emergence of resistance in T. mentagrophytes.

Tinea Capitis by Microsporum audouinii: Case Reports and Review of Published Global Literature 2000–2016

2017 ◽  
Vol 182 (11-12) ◽  
pp. 1053-1060 ◽  
Author(s):  
Fábio Brito-Santos ◽  
Maria Helena Galdino Figueiredo-Carvalho ◽  
Rowena Alves Coelho ◽  
Anna Sales ◽  
Rodrigo Almeida-Paes
Keyword(s):  
Tinea Capitis ◽  
Case Reports ◽  
Global Literature ◽  
Microsporum Audouinii

scholarly journals Tinea capitis among children at one suburban primary school in the City of Maputo, Mozambique

2007 ◽  
Vol 40 (4) ◽  
pp. 473-475 ◽  
Author(s):  
Mohsin M. Sidat ◽  
Della Correia ◽  
Titos Paulo Buene
Keyword(s):  
Primary School ◽  
Causative Agent ◽  
Tinea Capitis ◽  
Clinical Signs ◽  
Trichophyton Mentagrophytes ◽  
Cross Sectional ◽  
Microsporum Audouinii ◽  
Causative Agents ◽  
Cross Sectional Studies ◽  
The City

This study evaluated the prevalence of Tinea capitis among schoolchildren at one primary school and also identified the causative agents. Scalp flakes were collected from children presenting clinical signs suggestive of Tinea capitis. Dermatophytes were identified by following standard mycological procedures. This study found a clinical prevalence of Tinea capitis of 9.6% (110/1149). The dermatophytes isolated were Microsporum audouinii, Trichophyton violaceum, and Trichophyton mentagrophytes. The most prevalent causative agent in this study was Microsporum audouinii, thus confirming the findings from previous cross-sectional studies carried out in the city of Maputo.

Tinea capitis caused by Trichophyton soudanense and Microsporum audouinii in an adult: a case report

Mycoses ◽  
2010 ◽  
Vol 54 (1) ◽  
pp. 89-90 ◽  
Author(s):  
A. Rezusta ◽  
A. Betrán ◽  
I. Querol ◽  
M. P. Palacián ◽  
M. J. Revillo
Keyword(s):  
Case Report ◽  
Tinea Capitis ◽  
Trichophyton Soudanense ◽  
Microsporum Audouinii

scholarly journals INFEKSI OPORTUNISTIK TINEA CAPITIS PADA PENDERITA PEDICULOSIS CAPITIS

Jurnal Medika ◽  
2021 ◽  
Vol 6 (2) ◽  
pp. 56-61
Author(s):  
Andi Fatmawati ◽  
Nurhidayat Nurhidayat ◽  
Asma Yuliani
Keyword(s):  
Tinea Capitis ◽  
Pediculus Humanus Capitis ◽  
Pediculosis Capitis ◽  
Sabouraud Dextrose Agar ◽  
Pediculus Humanus ◽  
Microsporum Audouinii

Pediculosis capitis merupakan penyakit infeksi pada kulit kepala manusia yang disebabkan oleh infestasi ektoparasit Pediculus humanus capitis yang dapat menular di kepala tanpa disadari karena kontak erat di lingkungan yang sama seperti asrama pesantren. Di kepala penderita pediculosis ditemukan banyak lesi pada kulit, rambut saling melekat, bintik-bintik hitam atau coklat pada pangkal rambut, radang pada kulit kepala serta eksudat nanah yang berasal dari luka gigitan Pediculus humanus capitis yang meradang. Infeksi sekunder berupa tinea capitis dapat menyerang penderita pediculosis. Infeksi ini disebabkan dermatofita genus Microsforum sp dan Trichophyton sp. Penelitian ini bertujuan untuk mengetahui jenis jamur penyebab tinea capitis pada kulit kepala santriwati pesantren di Makassar. Jenis penelitian yang digunakan adalah penelitian deskriptif dengan mengkultur spesimen pada media Sabouraud Dextrose Agar (SDA) dan dilanjutkan dengan identifikasi jamur. Hasil penelitian dari 10 sampel menunjukkan bahwa 1 sampel terinfeksi Microsporum audouinii.

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