| etiologic agent of lyme disease, borrelia burgdorferi, detected in ticks (acari: ixodidae) collected at a focus in alabama. | the study was conducted at sites of known transmission of borrelia burgdorferi in east central alabama. the objectives were to determine species of ticks present at these sites, their host associations, and species of ticks and small mammals naturally infected with b. burgdorferi. a total of 451 hosts were examined for ticks, including cotton mice, peromyscus gossypinus (le conte); cotton rats, sigmodon hispidus say & ord; southern short-tailed shrews, blarina carolinensis (bachman); house mice, ... | 1991 | 1941933 |
| robertsonian chromosomal rearrangements in the short-tailed shrew, blarina carolinensis, in western tennessee. | we report significant heterozygosity for numerous robertsonian translocations in the southern short-tailed shrew (blarina carolinensis) in western tennessee. eight robertsonian rearrangements were documented using g-banding techniques that explain the variability in diploid numbers from 46 throughout most of the range of the species to 34-40 in western tennessee. these fusions resulted in the loss of telomere sequences and were not associated with nucleolar organizer regions. when heterozygocity ... | 1997 | 9186509 |
| olfactory mucosa ultrastructure in the short-tailed shrews, blarina brevicauda and blarina carolinensis. | the olfactory mucosae of the northern short-tailed shrew, blarina brevicauda, and the southern short-tailed shrew, blarina carolinensis, were examined by light and electron microscopy. a well-developed olfactory epithelium was observed that included all of the cells necessary to provide for a sensitive olfactory system, suggesting that olfaction plays a major role in the behavior of these animals. there were no significant differences between the olfactory mucosae of these two species. the gener ... | 2001 | 12221510 |
| reassortment between divergent strains of camp ripley virus (hantaviridae) in the northern short-tailed shrew (blarina brevicauda). | genomic reassortment of segmented rna virus strains is an important evolutionary mechanism that can generate novel viruses with profound effects on human and animal health, such as the h1n1 influenza pandemic in 2009 arising from reassortment of two swine influenza viruses. reassortment is not restricted to influenza virus and has been shown to occur in members of the order bunyavirales. the majority of reassortment events occurs between closely related lineages purportedly due to molecular cons ... | 2020 | 33014888 |
| a new eimerian (apicomplexa: eimeriidae) from southern short-tailed shrews, blarina carolinensis (bachman) (soricimorpha: soricidae: soricinae) from southeastern oklahoma, usa. | a new species of eimeria schneider, 1875 (apicomplexa: eimeriidae) is described from faecal samples of two of three southern short-tailed shrews, blarina carolinensis (bachman) (soricidae) from southeastern oklahoma, usa. oöcysts of eimeria tkachi n. sp. are subspheroidal to ovoidal with a rough-pitted, tan colored, bi-layered wall, measure 16.5 × 15.2 µm, and have a length/width (l/w) ratio of 1.1; both micropyle and oöcyst residuum are absent, but polar granule(s) are present. sporocysts are o ... | 2017 | 28534208 |
| the pineal gland of the shrew (blarina brevicauda and blarina carolinensis): a light and electron microscopic study of pinealocytes. | the pineal gland structure and ultrastructure in the northern (blarina brevicauda) and southern short-tailed shrew (blarina carolinensis) are described by light and electron microscopy. results observed were similar to other mammals of insectivora described previously, specifically, the hedgehog (erinaceus europaeus) and the old world mole (talpa europea). two different types of pinealocytes were noticed by electron microscopy, in addition to relatively few glial cells. granular vesicles were no ... | 2018 | 30088080 |
| chromosomal variation in the southern short-tailed shrew (blarina carolinensis). | chromosomal polymorphism was assessed in the southern short-tailed shrew (blarina carolinensis) using standard metaphase chromosome and g-banding techniques. twenty-one animals (11 males, 10 females) from the meeman biological station in shelby co., tennessee, were examined for diploid number. results showed diploid numbers of 35, 36, 37, 38, 39, 40 and 41 and fundamental numbers of 41, 42, 43, 44 and 45. no diploid numbers or fundamental numbers were unique to a specific collecting locality. th ... | 1996 | 8999000 |
| a potential model for early stages of chromosomal evolution via concentric robertsonian fans: a large area of polymorphism in southern short-tailed shrews (blarina carolinensis). | western tennessee contains unusually highly polymorphic populations of southern short-tailed shrews (blarina carolinensis). we previously documented eight robertsonian translocations (robs) accounting for a variation in diploid number from 46 in most of this species' range to 34-40 in western tennessee. we have now expanded our study to include data from adjacent areas in tennessee and mississippi, 10 localities in all. the new data show a variation in diploid number ranging from 31 to 41, four ... | 1999 | 10640807 |