NONSEGMENTED NEGATIVE-STRAND RNA VIRUSES: Genetics and Manipulation of Viral Genomes

Author:

Conzelmann Karl-Klaus1

Affiliation:

1. Federal Research Centre for Virus Diseases of Animals, Paul-Ehrlich-Strasse 28, Tübingen, D-72076 Germany;

Abstract

▪ Abstract  Protocols to recover negative-strand RNA viruses entirely from cDNA have been established in recent years, opening up this virus group to the detailed analysis of molecular genetics and virus biology. The unique gene-expression strategy of nonsegmented negative-strand RNA viruses, which involves replication of ribonucleoprotein complexes and sequential synthesis of free mRNAs, has also allowed the use of these viruses to express heterologous sequences. There are advantages in terms of easy manipulation of constructs, high capacity for foreign sequences, genetically stable expression, and the possibility of adjusting expression levels. Fascinating prospects for biomedical applications and transient gene therapy are offered by chimeric virus vectors carrying novel envelope protein genes and targeted to defined host cells.

Publisher

Annual Reviews

Subject

Genetics

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