Scalp microbiota alterations in children with pediculosis

Scalp microbiota alterations in children with pediculosis

Pediculosis is a disease caused by the insect Pediculus humanus capitis that mainly occurs in childhood. A comparative study was carried out evaluating groups of schoolchildren with (group A) and without pediculosis (group B) to analyse the characteristics of the scalp microbiota. Samples were colle...

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Bibliographic Details
Published in:Infection, genetics and evolution Vol. 73; pp. 322 - 331
Main Authors: Haidamak, Juciliane, Davila dos Santos, Germana, Lima, Bruna Jacomel Favoreto de Souza, Soares, Valéria Mendes, de Menezes, Raquel Vizzotto, Bisson, Amanda Albino, Talevi, Amanda Santos, Gomes, Renata Rodrigues, Vicente, Vânia Aparecida, Valero, Maria Adela, Klisiowicz, Débora do Rocio
Format: Journal Article
Language:English
Published: Netherlands Elsevier B.V 01-09-2019
Subjects:
Animals
Bacterial
Child
Children
DNA, Ribosomal - genetics
Female
Fungal
Humans
Lice Infestations - microbiology
Male
Microbiota - genetics
Pediculus - genetics
Pediculus humanus capitis
Scalp - microbiology
Bacterial
Pediculus humanus capitis
Children
Fungal
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Summary:Pediculosis is a disease caused by the insect Pediculus humanus capitis that mainly occurs in childhood. A comparative study was carried out evaluating groups of schoolchildren with (group A) and without pediculosis (group B) to analyse the characteristics of the scalp microbiota. Samples were collected by swab using Stuart transport medium and incubate in Sabouraud dextrose agar with tetracycline to analyse the fungal microbiota and in blood agar to assess the bacterial microbiota. The isolates identity was confirmed by sequencing of the 16S and 18S regions of the ribosomal DNA gene for bacteria and fungi, respectively. The analysis of the 186 isolates led to the identification of 35 bacteria and 40 fungi in group A and 47 bacteria and 64 fungi in group B. The results indicate differences in bacterial and fungal species in the groups analysed. In the observed bacterial microbiota, Staphylococcus capitis occurred more frequently than Staphylococcus epidermidis in group A vs B. Among fungal isolates, Debaryomyces sp. was more frequent in group B vs A. Our findings showed scalp microbiota alterations in children with pediculosis, meriting future studies to analyse the relationship between these agents and their impact on human health. •Microbiota of the scalp Influence in the occurrence of the pediculosis.•Children with pediculosis present high diversity in the number of fungal and bacterial species.•Staphylococcus capitis is more prevalent in the group without pediculosis.•Staphylococcus epidermidis is more prevalent in the group with pediculosis.•Debaryomyces sp. is more frequently present in the group without pediculosis.
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ISSN:1567-1348
1567-7257
DOI:10.1016/j.meegid.2019.05.016