نتایج جستجو برای: campylobacter fetus subsp venerealis
تعداد نتایج: 49799 فیلتر نتایج به سال:
Infectious reproductive diseases have great potential to create significant damaging effects to reproductive efficiency and therefore profitability for the beef herd. Pathogens causing reproductive diseases include: bovine viral diarrhea (BVD), infectious bovine rhinotracheitis (IBR), Leptospira, Tritrichomonas foetus, Campylobacter fetus subsp. venerealis (“vibrio”) and Neospora caninum, among...
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. Therefore, the present study was designed to...
Homologous recombination is a major driver of bacterial speciation. Genetic divergence and host association are important factors influencing homologous recombination. Here, we study these factors for Campylobacter fetus, which shows a distinct intraspecific host dichotomy. Campylobacter fetus subspecies fetus (Cff) and venerealis are associated with mammals, whereas C. fetus subsp. testudinum ...
Monoclonal antibodies (MAbs) to the lipopolysaccharide (LPS) O-antigens of Campylobacter fetus serotype A and B strains were produced. Eight MAbs specific for serotype A LPS were characterized on immunoblots of C. fetus serotype A LPS. Two immunoblot patterns were observed and were used to divide the eight MAbs into two groups. MAbs M1177 and M1194 were selected as representative of the two gro...
BACKGROUND Bovine venereal campylobacteriosis is caused by Campylobacter fetus subsp. venerealis and its glycerine-tolerant variant Campylobacter fetus subsp. venerealis biovars intermedius. The disease can be economically important when present in cattle herds, causing poor reproductive performance, embryo mortality and abortion. Sensitive and specific diagnostic tests are required in the diag...
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...
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