Diseases Caused by Maedi–Visna and Other Ovine Lentiviruses
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چکیده
© CAB International 2000. Breeding for Disease Resistance in Farm Animals (eds R.F.E. Axford, S.C. Bishop, F.W. Nicholas and J.B. Owen) 14 Diseases Caused by Maedi–Visna and Other Ovine Lentiviruses J.C. DeMartini1, A. de la Concha-Bermejillo2, J.O. Carlson3 and R.A. Bowen4 Departments of 1Pathology, 3Microbiology and 4Physiology, Colorado State University, Fort Collins, USA; 2Department of Pathobiology, Texas A&M University, Texas Agricultural Experiment Station, San Angelo, USA
منابع مشابه
Sequence analysis and transcriptional activity of the LTR of OLV-CU1, a North American ovine lentivirus.
Although ovine lentiviruses have been described in the United States since the early part of this century, North American strains of sheep lentiviruses remain relatively uncharacterized at the molecular level. The LTR of a North American ovine lentivirus, OLV-CU1, was found to be closely related at the molecular and functional levels to visna virus, the Icelandic ovine lentivirus. Sequence anal...
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In order to determine the genomic heterogeneity of ovine lentiviruses, we analysed eight isolates from naturally infected sheep from one geographical region of France. A 475 nt fragment in the region of the pol gene coding for reverse transcriptase was amplified by RT-PCR from RNA directly extracted from uncultured bronchoalveolar lavage cells. The resulting PCR fragments were analysed by restr...
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Small ruminant lentiviruses include members that infect sheep (ovine lentivirus [OvLV]; also known as ovine progressive pneumonia virus/maedi-visna virus) and goats (caprine arthritis encephalitis virus [CAEV]). Breed differences in seroprevalence and proviral concentration of OvLV had suggested a strong genetic component in susceptibility to infection by OvLV in sheep. A genetic marker test fo...
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The ovine-caprine lentiviruses share nucleotide homology and serological properties in their gag-pol genes and gene products but constitute two distinct biological groups represented by ovine visna virus of Icelandic origin and by caprine arthritis-encephalitis and ovine progressive pneumonia viruses of U.S. origin. Two members of each group, visna 1514 and its antigenic variant LV1-1 in the fi...
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Lentiviruses (LV) are nononcogenic viruses, belonging to the Lentivirinae subfamily. The name comes from the Latin word “lenti”, meaning “slow”. According to the definition of B. Sigurdsson, they are causing infections in a limited number of hosts with a long incubation period (months and years) and progressive course, accompanied by damage in definite organs/tissues and a lethal outcome (Sigur...
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تاریخ انتشار 1999