Publications

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hemocytic rickettsia-like organisms in ticks: serologic reactivity with antisera to ehrlichiae and detection of dna of agent of human granulocytic ehrlichiosis by pcr.ixodid ticks were collected from connecticut, massachusetts, missouri, pennsylvania, rhode island, and british columbia (canada) during 1991 to 1994 to determine the prevalence of infection with hemocytic (blood cell), rickettsia-like organisms. hemolymph obtained from these ticks was analyzed by direct and indirect fluorescent antibody (fa) staining methods with dog, horse, or human sera containing antibodies to ehrlichia canis, ehrlichia equi, or rickettsia rickettsii. of the 693 nymphal and a ...19958567911
a case of ehrlichia equi in an adult horse in british columbia. 19968681291
a novel ehrlichia genotype detected in naturally infected cattle in north america.during a research investigation to determine if cattle from british columbia (bc), canada were infected with anaplasma marginale or other related rickettsial blood parasites, a novel ehrlichia genotype was revealed. blood from seven bc source cattle was bioassayed by intravenous inoculation into naïve splenectomised calves. additional splenectomised calves were used as uninoculated negative control or a. marginale-inoculated positive control. newly designed sets of primers specific for the msp5 ...201020663613
exposure to infectious agents in dogs in remote coastal british columbia: possible sentinels of diseases in wildlife and humans.ranked among the top threats to conservation worldwide, infectious disease is of particular concern for wild canids because domestic dogs (canis familiaris) may serve as sources and reservoirs of infection. on british columbia's largely undeveloped but rapidly changing central and north coasts, little is known about diseases in wolves (canis lupus) or other wildlife. however, several threats exist for transfer of diseases among unvaccinated dogs and wolves. to gain baseline data on infectious ag ...201121461190
Molecular Study of Free-ranging Mule Deer and White-tailed Deer from British Columbia, Canada, for Evidence of Anaplasma spp. and Ehrlichia spp.Twenty-three free-ranging white-tailed deer (WTD; Odocoileus virginianus) and six mule deer (MD; Odocoileus hemionus) from south-central British Columbia, Canada, were tested for Anaplasma marginale by msp5 gene-specific PCR and Ehrlichia spp. by 16S rRNA or citrate synthase (gltA) gene-specific PCR, as well as by PCR with universal 16S rRNA primers detecting a wide range of bacteria. No deer tested positive for A. marginale. Amplification with universal 16S rRNA primers followed by sequencing o ...201121933360
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