On the basis of similarities in their genome organization and replication strategy, RNA
viruses can now be classified into 'supergroups' that often include both animal and plant …

This review focuses on the monophyletic group of animal RNA viruses united in the order
Nidovirales. The order includes the distantly related coronaviruses, toroviruses, and …

During the Xth International Congress of Virology (Jerusalem, August 1996), the
International Committee on the Taxonomy of Viruses (ICTV) formally approved two …

Porcine reproductive and respiratory syndrome virus (PRRSV) is a recently described
arterivirus responsible for disease in swine worldwide. Comparative sequence analysis of …

Arteriviruses are positive-stranded RNA viruses that infect mammals. They can cause
persistent or asymptomatic infections, but also acute disease associated with a respiratory …

Our knowledge about the structure and function of the nonstructural proteins (nsps) encoded
by the arterivirus replicase gene has advanced in recent years. The continued …

Although North American and European serotypes of porcine reproductive and respiratory
syndrome virus (PRRSV) are recognized, only the genome of the European Lelystad strain …

Porcine reproductive and respiratory syndrome virus (PRRSV) is an enveloped, positive-
sense single-stranded RNA virus belonging to the Arteriviridae family. Arteriviruses and …

Programmed− 1 ribosomal frameshifting (− 1 PRF) is a gene-expression mechanism used to
express many viral and some cellular genes. In contrast, efficient natural utilization of− 2 …

Porcine reproductive and respiratory syndrome virus (PRRSV) infection of swine leads to a
serious disease characterized by a delayed and defective adaptive immune response. It is …