Cotton rats pictures and facts

Cotton rats

Order : Rodentia
Suborder : Sciurognathi
Family : Muridae
Subfamily : Sigmodontinae
Genus : Sigmodon

Facts about the genus Sigmodon, the cotton rats

" "Animals previously infected with RSV also developed bronchiolar, but not alveolar, histopathology suggesting that the bronchiolar histopathology seen in RSV challenged cotton rats is a normal component of the immune resolution of RSV infection.

Cotton rats are stout-bodied with small ears, and their coarse, grizzled coats range from grayish brown to dark brown mixed with buff.

Enhanced pulmonary pathology associated with the use of formalin-inactivated respiratory syncytial virus vaccine in cotton rats is not a unique viral phenomenon.

marthae Hibbardomys zakrzewskii status unclear one or both of the Hibbardomys records are said by Repenning and Brouwers 1992 and Repenning 1992 to be Phenacomys; Sigmodon is also said to be present Ondatra annectens Mimomys dakotaensis Guildayomys cf.

Scientific name: The genus name Sigmodon is derived from two Greek words, sigma (S-shaped) and odous (tooth), a reference to the S-shaped enamel loops on the grinding surfaces of the cheek teeth.

Unlike the previously described response of experimentally infected infant ferrets, cotton rats are uniformly susceptible to pulmonary infection throughout life, thereby offering a model for long-term pulmonary studies heretofore not available.

The population turnover rate for Sigmodon is illustrated in Figure 6. (Full text)

Sigmodon is normally found in rather open, grassy pastures or in semibrushy areas, as is the pine vole. (Full text)

Among inbred female cotton rats (Sigmodon hispidus) 25-50% of the animals develop spontaneous gastric carcinomas; the corresponding figure for male cotton rats is approximately 1%. (Full text)

Thus, the pattern of latent infection in cotton rats is similar to that reported previously. (Full text)

Measles virus-induced immunosuppression in cotton rats is associated with cell cycle retardation in uninfected lymphocytes. (Full text)

Diurnal and Annual Activity: Some studies have suggested that hispid cotton rats are mainly nocturnal, but activity has been observed at all hours. (Full text)

Scientific name: The genus name Sigmodon is derived from two Greek words, sigma (S-shaped) and . (Full text)

Measles virus-induced immunosuppression in cotton rats is associated with cell cycle retardation in uninfected lymphocytes -- Niewiesk et al. (Full text)

Previously, we have shown that cotton rats are a good animal model to study MV-induced immune suppression, where proliferation inhibition after ex vivo stimulation of cotton rat spleen cells is induced by the viral glycoproteins (fusion and haemagglutinin proteins). (Full text)

subspecies, Texas cotton rats are the most divergent genetically from the Florida subspecies (26) and may exhibit a difference in susceptibility; 2) because the subspecies of cotton rats in which EVEV activity was detected previously is unknown, we wanted to test a subspecies unexposed to VEEV complex viruses; and 3) the use of local rats simplified animal use protocols. (Full text)

sigmodon is not a member of any public groups (Full text)

Sigmodon is included because it is the genus most closely related to Oryzomys in which we have demonstrated recent L1 activity by all of the criteria above. (Full text)

ter Meulen Measles virus-induced immunosuppression in cotton rats is associated with cell cycle retardation in uninfected lymphocytes J. (Full text)

These runways frequently contain piles of clipped vegetation, but cotton rats are not known to store food. (Full text)

Main Entry: sigmodon sigmodon is one of more than 1,000,000 entries available at Merriam-WebsterUnabridged. (Full text)

Since the cotton rat is the only small animal known to be susceptible to human adenoviruses, and since the disease produced in cotton rats is remarkably similar to that seen in humans, much of the recent work exploring genetic therapy (which employs a (Full text)

Over their limited range in Arizona and New Mexico, tawny-bellied cotton rats are found in weedy and grassy places in pinyon-juniper-live oak woodland, Mexican oak-pine woodland, and mesquite-yucca-grassland vegetation types, where their runways are hidden in the (Full text)

Cotton rats are prolific and produce several litters of two to 10 young, averaging about five, a year. (Full text)

Measles virus induced immunsuppression in cotton rats is associated with a cell cycle retardation in uninfected lymphocytes. (Full text)