Peromyscus

Not to be confused with mouse-deer.
"Deer mouse" redirects here. For a broader category of rodents which includes other deer mouse species, see Neotominae.
Peromyscus (Deer mouse)
Temporal range: Late Miocene – Recent
Peromyscus maniculatus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Cricetidae
Subfamily: Neotominae
Tribe: Reithrodontomyini
Genus: Peromyscus
Gloger, 1841
Species

See text

The genus Peromyscus contains the animal species commonly referred to as deer mice. This genus of New World mice is only distantly related to the common house mouse and laboratory mouse, Mus musculus. Although superficially resembling Mus musculus, Peromyscus species have relatively larger eyes, and also often two-tone coloring, with darker colors over the dorsum (back), and white abdominal and limb hair-coloring. In reference to the coloring, the word Peromyscus comes from Greek words meaning "booted mouse".[1]

They are also accomplished jumpers and runners by comparison to house mice, and their common name of "deer mouse" (coined in 1833) is in reference to this agility.[2]

The most common species of deer mice in the continental United States are two closely related species, P. maniculatus, and P. leucopus. In the United States, Peromyscus is the most populous mammalian genus overall, and has become notorious in the western United States as a carrier of hantaviruses.[3][4]

Reservoir of human disease

Hantavirus

The deer mouse came to the attention of the public when it was discovered to be the primary reservoir species for Sin Nombre hantavirus.[3][5][6]

Lyme disease

A recent study in British Columbia of 218 deer mice showed 30% (66) were seropositive for B. burgdorferi,[7] the agent of Lyme disease.

Other diseases

Ehrlichiosis and babesiosis are also carried by the deer mouse.[1]

Use as a laboratory animal

While wild populations are sometimes studied, Peromyscus is also easy to breed and keep in captivity, although they are more energetic and difficult to handle than the relatively more tame Mus musculus. For certain studies, Peromyscus is also favoured over the common laboratory mouse (Mus musculus) and the laboratory rat (Rattus norvegicus). Apart from their importance in studying infectious diseases, Peromyscus species are useful for studying phylogeography, speciation, chromosomes, genetics, ecology, population genetics, and evolution in general. They are also useful for researching repetitive movement disorders.[8][9][10][11] Their use in aging research is because Peromyscus spp., despite being of similar size to the standard laboratory mouse, have maximum lifespans of five to seven years, compared to the two- to three-year maximum lifespan of ad libitum-fed laboratory strains or wild-caught M. musculus.[1]

The Peromyscus Genetic Stock Center at the University of South Carolina was established by Professor Wallace Dawson in 1985 to raise animals of the peromyscine species for research and educational use. This institute maintains populations of several different species (including Peromyscus californicus, Peromyscus maniculatus, Peromyscus melanophrys, Peromyscus eremicus, and Peromyscus aztecus). A variety of mutations affecting their behavior, biochemistry, and the color of their coats are exhibited in these genetic lines.

Species

References

  1. 1 2 3 Crossland, J. and Lewandowski, A. (2006). Peromyscus – A fascinating laboratory animal model. Techtalk 11:1–2.
  2. Deer mouse etymology from Merriam-Webster. Accessed June 11, 2010. Mw4.m-w.com (2012-08-31). Retrieved on 2014-01-05.
  3. 1 2 CDC – Hantavirus. Cdc.gov (2012-11-01). Retrieved on 2014-01-05.
  4. What if .... University of South Carolina
  5. "It's Official—The Deer Mouse Is Deadly". Newsmagazine. 21 (31): 43. 18 July 1994.
  6. Netski, D; Thran, BH; St. Jeor, SC (1999). "Sin Nombre virus pathogenesis in Peromyscus maniculatus". Journal of Virology. 73 (1): 585–91. PMC 103864Freely accessible. PMID 9847363.
  7. Canada Communicable Disease Report (CCDR) – Vol.34 CCDR-01 – Public Health Agency of Canada. Phac-aspc.gc.ca (2008-01-30). Retrieved on 2014-01-05.
  8. Joyner CP, Myrick LC, Crossland JP, Dawson WD (1998). "Deer Mice As Laboratory Animals". ILAR journal / National Research Council, Institute of Laboratory Animal Resources. 39 (4): 322–330. doi:10.1093/ilar.39.4.322. PMID 11406688.
  9. Dewey, M.J. & Dawson, W.D. (2001). "Deer mice: "The Drosophila of North American mammalogy"". Genesis. 29 (3): 105–9. doi:10.1002/gene.1011. PMID 11252049.
  10. Institute of Laboratory Animal Resources (U.S.). Committee on Animal Models for Research on Aging; National Research Council (U.S.). Committee on Animal Models for Research on Aging (1981). Mammalian Models for Research on Aging. National Academies. ISBN 978-0-309-03094-6.
  11. Linnen, CR; Kingsley, EP; Jensen, JD; Hoekstra, HE (2009). "On the origin and spread of an adaptive allele in deer mice". Science. 325 (5944): 1095–8. doi:10.1126/science.1175826. PMC 2736094Freely accessible. PMID 19713521.
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