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C E YUNKER

Explore the profile of C E YUNKER including associated specialties, affiliations and a list of published articles. Areas
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Articles 80
Citations 474
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Recent Articles
1.
Bryson N, Horak I, Venter E, YUNKER C
Exp Appl Acarol . 2001 May; 24(12):971-82. PMID: 11354624
The capture of free-living adults and nymphs of Amblyomma hebraeum, the main vector of heartwater in domestic and wild ruminants in South Africa, by means of attraction-aggregation-attachment-pheromone/carbon dioxide traps at...
2.
Neitz A, YUNKER C
Ann N Y Acad Sci . 1996 Jul; 791:24-34. PMID: 8784483
Cowdria ruminantium (Rickettsiales) causes heartwater in ruminants of Africa, and some islands off Africa and in the Caribbean Sea. The in vitro culture method for the organism devised in 1985,...
3.
YUNKER C
Onderstepoort J Vet Res . 1996 Jun; 63(2):159-70. PMID: 8856765
Heartwater (cowdriosis) is an important, often fatal, tick-borne disease of domestic and wild ruminants in sub-Saharan Africa and some Indian Ocean and Caribbean islands. The causal agent, Cowdria ruminantium (Cowdry...
4.
YUNKER C
Vet Parasitol . 1995 Mar; 57(1-3):205-11. PMID: 7597785
Heartwater caused by Cowdria ruminantium infection is the most important tick-borne disease of ruminants in southern Africa. The in vitro culture system for this rickettsia, developed less than a decade...
5.
Tully J, ROSE D, YUNKER C, Carle P, Bove J, Williamson D, et al.
Int J Syst Bacteriol . 1995 Jan; 45(1):23-8. PMID: 7857803
Eight strains of mollicutes were isolated from pooled suspensions prepared from western black-legged ticks (Ixodes pacificus) collected in Oregon. Morphologic examination by electron and dark-field microscopic techniques showed that each...
6.
Price Jr T, Sonenshine D, Norval R, YUNKER C, Burridge M
Exp Appl Acarol . 1994 Jan; 18(1):37-50. PMID: 7628240
Two species of bont ticks, Amblyomma hebraeum and Amblyomma variegatum, common to Africa were studied to compare types and quantities of compounds known or believed to serve as components of...
7.
YUNKER C, Mahan S, Waghela S, McGuire T, Rurangirwa F, Barbet A, et al.
Epidemiol Infect . 1993 Feb; 110(1):95-104. PMID: 8432329
A DNA probe, pCS20, previously described for use in detection of Cowdria ruminantium infections in Amblyomma variegatum (the principal vector of heartwater) hybridized with C. ruminantium DNA in organs of...
8.
Semu S, Mahan S, YUNKER C, Burridge M
Vet Immunol Immunopathol . 1992 Sep; 33(4):339-52. PMID: 1441219
Different breeds of cattle were experimentally infected with Palm River, a Zimbabwean isolate, or Ball-3, a South African isolate of Cowdria ruminantium, derived from tissue culture or tick or blood...
9.
Kelly P, YUNKER C, Mason P, Tagwira M, Matthewman L
S Afr Med J . 1992 Jun; 81(11):578. PMID: 1598655
No abstract available.
10.
YUNKER C, Peter T, Norval R, Sonenshine D, Burridge M, Butler J
Exp Appl Acarol . 1992 Mar; 13(4):295-301. PMID: 1526203
Unfed adults of the African ticks, Amblyomma hebraeum Koch and A. variegatum (Fabricius), important vectors of human and animal diseases, were exposed to volatile compounds in an olfactometer in efforts...