The demonstration of the K-antigen of Campylobacter fetus venerealis using a microtitre agglutination test.
نویسنده
چکیده
Using specific antisera prepared against heat-treated and untreated cells in a microtitre system, 7 strains of Campylobacter fetus venerealis were examined for the presence of K-antigen. The technique was effective for distinguishing between strains and it was found that 4 out of 7 isolates contained microcapsules, therefore being potentially suitable for vaccine production.
منابع مشابه
PCR detection of Campylobacter fetus subspecies venerealis in smegma samples collected from dairy cattle in Fars, Iran
Bovine venereal campylobacteriosis, caused by Campylobacter fetus subsp. venerealis (Cfv), is regarded as one of the major threats to the cattle industry around the world. Abortion and infertility are two important reproductive problems in cows infected with C. fetus subsp. venerealis. Reports on the presence of Cfv are scarce in the cattle, in Iran....
متن کاملIs Campylobacter fetus subspecies venerealis infection a cause of reproductive failure in dairy cows in Iran?
Bovine genital campylobacteriosis is one of the most economically important diseases of dairy cattleresulting in lowered fertility, embryo mortality and abortion, repeated returns to service, reduced pregnancyrates and extended calving intervals. While the occurrence of repeat breeding syndrome and abortions arereported from many Iranian dairy cattle farms, little information is available regar...
متن کاملBactericidal activity of blood of rabbits vaccinated with homologous antigens of Campylobacter fetus (Vibrio fetus).
Rabbits were vaccinated with the following Campylobacter fetus var. venerealis (Vibrio fetus) antigens: whole-cell (WC), autoclaved (A), boiled (B), and purified postgrowth broth (PGB). Bactericidal activity of freshly drawn heparinized blood against the organism was determined after each vaccination. In all cases bactericidal activity of the blood of vaccinated rabbits was higher than for nonv...
متن کاملInterbacterial macromolecular transfer by the Campylobacter fetus subsp. venerealis type IV secretion system.
We report here the first demonstration of intra- and interspecies conjugative plasmid DNA transfer for Campylobacter fetus. Gene regions carried by a Campylobacter coli plasmid were identified that are sufficient for conjugative mobilization to Escherichia coli and C. fetus recipients. A broader functional range is predicted. Efficient DNA transfer involves the virB9 and virD4 genes of the type...
متن کاملThe use of enzyme-linked immunosorbent assay and immunoblotting for the detection of Campylobacter fetus immunoglobulins in the cervico-vaginal mucus of female cattle1
Pellegrin A.O., Miranda K.L., Figueiredo J.F., Barbosa E.F. & Lage A.P. 2011. The use of enzyme-linked immunosorbent assay and immunoblotting for the detection of Campylobacter fetus immunoglobulins in the cervico-vaginal mucus of female cattle. Pesquisa Veterinária Brasileira 31(3):247-254. Embrapa Pantanal, Rua 21 de Setembro 1880, Corumbá, MS 79320-900, Brazil. E-mail: [email protected]...
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عنوان ژورنال:
- The Onderstepoort journal of veterinary research
دوره 54 4 شماره
صفحات -
تاریخ انتشار 1987