The geographical segregation of human lice preceded that of Pediculus humanus capitis and Pediculus humanus humanus

Publication Type:Journal Article
Year of Publication:2003
Authors:Z. Yong, Fournier, P. E., Rydkina, E., Raoult, D.
Journal:Comptes Rendus Biologies
Volume:326
Issue:6
Pagination:565 - 574
Date Published:2003
ISBN Number:1631-0691
Keywords:animals, Base Sequence, dna, geography, humans, Pediculus, phylogeny, polymerase, RNA, Ribosomal, 18S/genetics
Abstract:

In order to investigate human-louse phylogeny, we partially sequenced two nuclear (18S rRNA and EF-1 alpha) and one mitochondrial (COI) genes from 155 Pediculus from different geographical origins. The phylogenetic analysis of 18S rRNA and EF-1 alpha sequences showed that human lice were classified into lice from Sub-Saharan Africa and lice from other areas. In both clusters, head and body lice were clearly grouped into two separate clusters. Our results indicate that the earliest divergence within human pediculidae occurred between African lice and other lice, and the divergence between head and body lice was not the result from a single event.

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