The impact of time and field conditions on brown bear (Ursus arctos) faecal DNA amplification

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The impact of time and field conditions on brown bear (<i>Ursus arctos</i>) faecal DNA amplification

To establish longevity of faecal DNA samples under varying summer field conditions, we collected 53 faeces from captive brown bears (Ursus arctos) on a restricted vegetation diet. Each faeces was divided, and one half was placed on a warm, dry field site while the other half was placed on a cool, wet field site on Moscow Mountain, Idaho, USA. Temperature, relative humidity, and dew point data w...

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The influence of diet on faecal DNA amplification and sex identification in brown bears (Ursus arctos).

To evaluate the influence of diet on faecal DNA amplification, 11 captive brown bears (Ursus arctos) were placed on six restricted diets: grass (Trifolium spp., Haplopappus hirtus and Poa pratensis), alfalfa (Lupinus spp.), carrots (Daucus spp.), white-tailed deer (Odocoileus virginianus), blueberries (Vaccinium spp.) and salmon (Salmo spp.). DNA was extracted from 50 faecal samples of each res...

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Physiology of the European brown bear (Ursus arctos arctos)

Although the American black (Ursus americanus) and American brown (grizzly) (Ursus arctos horribilis) bears have been the subjects of intensive physiological research, very little so far, has been done to understand the physiology of the European brown bear (Ursus arctos arctos). In our laboratory the research on the physiology of European brown bears started 10 years ago. Between 1987 and 1997...

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Ancient DNA analysis reveals divergence of the cave bear, Ursus spelaeus, and brown bear, Ursus arctos, lineages

The cave bear, Ursus spelaeus, represents one of the most frequently found paleontological remains from the Pleistocene in Europe. The species has always been confined to Europe and was contemporary with the brown bear, Ursus arctos. Relationships between the cave bear and the two lineages of brown bears defined in Europe, as well as the origins of the two species, remain controversial, mainly ...

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The influence of diet on faecal DNA amplification and sex identification in brown bears (<i>Ursus arctos</i>)

To evaluate the influence of diet on faecal DNA amplification, 11 captive brown bears ( Ursus arctos ) were placed on six restricted diets: grass ( Trifolium spp., Haplopappus hirtus and Poa pratensis ), alfalfa ( Lupinus spp.), carrots ( Daucus spp.), white-tailed deer ( Odocoileus virginianus ), blueberries ( Vaccinium spp.) and salmon ( Salmo spp.). DNA was extracted from 50 faecal samples o...

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ژورنال

عنوان ژورنال: Conservation Genetics

سال: 2007

ISSN: 1566-0621,1572-9737

DOI: 10.1007/s10592-006-9264-0