Geographic Distributions and Origins of Human Head Lice (Pediculus humanus capitis) Based on Mitochondrial Data
| Autor: | Lisa N. Barrow, Lauren M. Long, Didier Raoult, Tamar E. Carter, Ganbold Suren, David L. Reed, Julie M. Allen, Jessica E. Light |
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| Rok vydání: | 2008 |
| Předmět: |
Pediculus humanus capitis
Population Zoology Louse Electron Transport Complex IV Phylogenetics biology.animal parasitic diseases Genetic variation Animals Humans skin and connective tissue diseases education Clade Phylogeny Ecology Evolution Behavior and Systematics Genetic diversity education.field_of_study biology Pediculus Genetic Variation Lice Infestations Biological Evolution Geographic distribution Genes Mitochondrial Genetics Population Parasitology |
| Zdroj: | Journal of Parasitology. 94:1275-1281 |
| ISSN: | 1937-2345 0022-3395 |
| Popis: | Human head lice (Pediculus humanus capitis) are subdivided into 3 deeply divergent mitochondrial clades (Clades A, B, and C), each having unique geographical distributions. Determining the evolutionary history and geographic distribution of these mitochondrial clades can elucidate the evolutionary history of the lice as well as their human hosts. Previous data suggest that lice belonging to mitochondrial Clade B may have originated in North America or Asia; however, geographic sampling and sample sizes have been limited. With newly collected lice, we calculate the relative frequency, geographic distribution, and genetic diversity of louse mitochondrial clades to determine the geographic origin of lice belonging to Clade B. In agreement with previous studies, genetic diversity data support a North American origin of Clade B lice. It is likely that lice belonging to this mitochondrial clade recently migrated to other geographic localities, e.g., Europe and Australia, and, if not already present, may disperse further to occupy all geographic regions. |
| Databáze: | OpenAIRE |
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