Ubiquity and diversity of human-associated Demodex mites.

Demodex mites are a group of hair follicle and sebaceous gland-dwelling species. The species of these mites found on humans are arguably the animals with which we have the most intimate interactions. Yet, their prevalence and diversity have been poorly explored. Here we use a new molecular method to...

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Autores principales:	Megan S Thoemmes, Daniel J Fergus, Julie Urban, Michelle Trautwein, Robert R Dunn
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/0067a7eff73d4baf9dab26ce758c5bf9
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id	oai:doaj.org-article:0067a7eff73d4baf9dab26ce758c5bf9
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spelling	oai:doaj.org-article:0067a7eff73d4baf9dab26ce758c5bf92021-11-25T06:03:03ZUbiquity and diversity of human-associated Demodex mites.1932-620310.1371/journal.pone.0106265https://doaj.org/article/0067a7eff73d4baf9dab26ce758c5bf92014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25162399/?tool=EBIhttps://doaj.org/toc/1932-6203Demodex mites are a group of hair follicle and sebaceous gland-dwelling species. The species of these mites found on humans are arguably the animals with which we have the most intimate interactions. Yet, their prevalence and diversity have been poorly explored. Here we use a new molecular method to assess the occurrence of Demodex mites on humans. In addition, we use the 18S rRNA gene (18S rDNA) to assess the genetic diversity and evolutionary history of Demodex lineages. Within our samples, 100% of people over 18 years of age appear to host at least one Demodex species, suggesting that Demodex mites may be universal associates of adult humans. A phylogenetic analysis of 18S rDNA reveals intraspecific structure within one of the two named human-associated Demodex species, D. brevis. The D. brevis clade is geographically structured, suggesting that new lineages are likely to be discovered as humans from additional geographic regions are sampled.Megan S ThoemmesDaniel J FergusJulie UrbanMichelle TrautweinRobert R DunnPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 8, p e106265 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Megan S Thoemmes Daniel J Fergus Julie Urban Michelle Trautwein Robert R Dunn Ubiquity and diversity of human-associated Demodex mites.
description	Demodex mites are a group of hair follicle and sebaceous gland-dwelling species. The species of these mites found on humans are arguably the animals with which we have the most intimate interactions. Yet, their prevalence and diversity have been poorly explored. Here we use a new molecular method to assess the occurrence of Demodex mites on humans. In addition, we use the 18S rRNA gene (18S rDNA) to assess the genetic diversity and evolutionary history of Demodex lineages. Within our samples, 100% of people over 18 years of age appear to host at least one Demodex species, suggesting that Demodex mites may be universal associates of adult humans. A phylogenetic analysis of 18S rDNA reveals intraspecific structure within one of the two named human-associated Demodex species, D. brevis. The D. brevis clade is geographically structured, suggesting that new lineages are likely to be discovered as humans from additional geographic regions are sampled.
format	article
author	Megan S Thoemmes Daniel J Fergus Julie Urban Michelle Trautwein Robert R Dunn
author_facet	Megan S Thoemmes Daniel J Fergus Julie Urban Michelle Trautwein Robert R Dunn
author_sort	Megan S Thoemmes
title	Ubiquity and diversity of human-associated Demodex mites.
title_short	Ubiquity and diversity of human-associated Demodex mites.
title_full	Ubiquity and diversity of human-associated Demodex mites.
title_fullStr	Ubiquity and diversity of human-associated Demodex mites.
title_full_unstemmed	Ubiquity and diversity of human-associated Demodex mites.
title_sort	ubiquity and diversity of human-associated demodex mites.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/0067a7eff73d4baf9dab26ce758c5bf9
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Ubiquity and diversity of human-associated Demodex mites.

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