Currently, the Lyssavirus genus is composed of four serotypes and the ungrouped European bat lyssaviruses (EBL). Using previously described PCR amplification and direct sequencing methods, the N
genes of 70 representative lyssaviruses collected from 40 different countries were examined. From the
results, a phylogenetic tree with six branches (genotypes) was constructed: genotypes 1-4 correlated
with the classification of serotypes 1-4 and in addition EBL 1 and EBL 2 were identified as two further
genotypes (5 and 6). Analysis of the 51 rabies (genotype 1) viruses in the study identified nine distinct
groups which could be correlated with their geographical origins.
A comparison of the six genotypes with four principal Vesiculovirus serotypes showed that their relationship
was closer than that of even the two most closely related Vesiculovirus serotypes.
Antigenic site sequences of isolates from vaccine/treatment failures were similar to vaccine and field
strains, suggesting that failures were not due to genetic variation at the N protein level.
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Huchzermeyer, Fritz W.; Verwoerd, Daniel Wynand(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1993)
An annotated host-parasite list of the blood parasites of domestic poultry in sub-Saharan Africa is
presented. This list contains the haematozoa found in domestic waterfowl (ducks, geese and muscovies)
and phasianids ...
Thirty - seven species of cetacean are recorded from southern African waters. Four thousand, five
hundred and thirty - seven records of approximately 60 000 cetaceans were analysed to defme
distribution patterns of these ...
Djoyou Kamga, Serges Alain(University of Pretoria, 2012-01-27)
The point of departure of this dissertation is that notwithstanding the controversy about the right to development (RTD), the African human rights system expressly recognises it as a human right of a collective nature. The ...