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Journals and Conferences
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Although susceptibility to scrapie is largely controlled by the PRNP gene, we have searched for additional genomic regions that affect scrapie incubation time in sheep, using two half-sib families with a susceptible PRNP genotype and naturally infected by scrapie. Quantitative trait loci were detected on OAR6 and OAR18.
infection of specific-pathogen-free pigs by a genotype 4 strain of human hepatitis E virus. To the Editor: Peste des petits ruminants (PPR) is a viral disease of sheep and goats caused by peste des petits ruminants virus (PPRV), a negative-sense, single-stranded RNA virus of the genus Morbilli-virus. Illness and death can be high (>90%) when PPR occurs in… (More)
Figure. Distribution of ruminants in Eritrea with peste des petits ruminants virus infection, 2003–2011. Colored circles indicate regions from which tissue samples were collected from goats and sheep during outbreaks of peste des petits ruminants; nucleotide sequences for the samples were determined and analyzed.
A long-range exploration of expression levels through wide chromosome territories was carried out in three species (pig, cattle, and chicken) by aligning EST counts against the human genome. This strategy made it possible to produce expression profiles that were very similar between pig and cattle and that were significantly correlated with chicken levels… (More)
This study aimed at identifying genes that could mark scrapie infection in the central nervous system of sheep. We used the subtractive suppressive hybridization (SSH) technique on brain samples from sheep healthy or clinically affected by scrapie. Following subtraction, several discrete differential bands appeared between the two reciprocally subtracted… (More)
In order to investigate the potential of voles to reproduce in vitro the efficiency of prion replication previously observed in vivo, we seeded protein misfolding cyclic amplification (PMCA) reactions with either rodent-adapted Transmissible Spongiform Encephalopathy (TSE) strains or natural TSE isolates. Vole brain homogenates were shown to be a powerful… (More)
The bovine spongiform encephalopathy (BSE) crisis clearly demonstrated the need to keep animal transmissible spongiform encephalopathies (TSE) under control in order to protect animal and human health. Scrapie is the most widespread TSE of livestock in the world. For this reason, health authorities in different countries have elaborated plans that aim… (More)
A duplex real-time reverse transcription-polymerase chain reaction (qRT-PCR) assay was developed for a simple and rapid diagnosis of Peste des petits ruminants (PPR). qRT-PCR primers and TaqMan probe were designed on a conserved region of nucleocapsid protein (Np) of PPR virus (PPRV) genome. An in vitro transcript of the target region was constructed and… (More)
The transmissible spongiform encephalopathies (TSEs) or prion diseases are a group of fatal neurodegenerative disorders characterised by the accumulation of a pathological form of a host protein known as prion protein (PrP). The validation of abnormal PrP detection techniques is fundamental to allow the use of high-throughput laboratory based tests,… (More)
Whole-genome radiation hybrid (RH) panels have been constructed for several species, including cattle. RH panels have proven to be an extremely powerful tool to construct high-density maps, which is an essential step in the identification of genes controlling important traits, and they can be used to establish high-resolution comparative maps. Although… (More)