Genetic variation in populations of Culicoides variipennis complex in the six New England states, U.S.A
| Autor: | Frederick R. Holbrook, Walter J. Tabachnick, Robert C. Brady |
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| Rok vydání: | 1996 |
| Předmět: |
Male
Germplasm Genetic diversity General Veterinary biology Ceratopogonidae Ecology Genetic Variation Population genetics biology.organism_classification New England States United States Isoenzymes Culicoides variipennis New England Insect Science Vector (epidemiology) Genetic variation Animals Female Parasitology Ecology Evolution Behavior and Systematics |
| Zdroj: | Medical and Veterinary Entomology. 10:173-180 |
| ISSN: | 1365-2915 0269-283X |
| DOI: | 10.1111/j.1365-2915.1996.tb00725.x |
| Popis: | We investigated the identity and distribution of members of the Culicoides variipennis complex in the six New England states of the U.S.A., a region where bluetongue transmission has not been detected. Analyses of seven polymorphic isozyme-encoding loci showed that only C.v.variipennis, not considered to be a vector of the bluetongue viruses, was present. The populations of C.v.variipennis were significantly more hetero-zygous than C.v.sonorensis and C.v.occidentalis populations from similar studies in the state of California. Estimates of genetic diversity among populations of C.v.variipennis in New England were similar to C.v.sonorensis in the state of Colorado, but were significantly more genetically divergent than California populations of C.v.occidentalis. The impact of these findings on the status of New England as a possible bluetongue-free region for the purpose of international trade in ruminant livestock and their germplasm is discussed. |
| Databáze: | OpenAIRE |
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