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Recombination in the Geminiviruses: Mechanisms for Maintaining Genome Size and Generating Genomic Diversity

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Homologous Recombination and Gene Silencing in Plants

Abstract

The geminiviruses are a unique group of infectious agents that replicate and cause disease in a wide variety of plant species, including many of agricultural importance. In addition to their significance as pathogens, these viruses, with their small DNA genomes and extensive reliance on host systems, are attractive models for the study of host DNA replication and transcription. The geminiviruses have also received much attention as vectors for the expression of foreign genes in plants. Considerable progress has been made toward understanding geminivirus molecular biology and pathology, and recent reviews of this progress are available (Stanley 1991; Lazarowitz 1992). The purpose of this article is to review what is known about recombination mechanisms that operate during geminivirus replication. The role of recombination in the maintenance of genome size and in the evolution of geminivirus genomes is also discussed.

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  1. David M. Bisaro
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  1. Friedrich Miescher Institute, Basel, Switzerland

    Jerzy Paszkowski

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© 1994 Springer Science+Business Media Dordrecht

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Bisaro, D.M. (1994). Recombination in the Geminiviruses: Mechanisms for Maintaining Genome Size and Generating Genomic Diversity. In: Paszkowski, J. (eds) Homologous Recombination and Gene Silencing in Plants. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1094-5_3

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  • DOI: https://doi.org/10.1007/978-94-011-1094-5_3

  • Publisher Name: Springer, Dordrecht

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