Mutant Clouds and Bottleneck Events in Plant Virus Evolution

Marilyn J. Roossinck

Research output: Chapter in Book/Report/Conference proceedingChapter

8 Scopus citations


Plant viruses can develop high levels of variation in their populations, but this is not always the case. The level of diversity in single plant infections varies dramatically with different viruses and different hosts. Recent studies on diversity in the DNA geminivurses indicate that they have variation levels that are comparable to RNA viruses, in spite of their replication by the host DNA polymerase. Genetic bottlenecks occur during systemic infection of plant viruses and transmission events. Bottlenecks can have important effects on plant virus evolution due to genetic drift, and can ultimately result in isolation and evolution of new variants and speciation events.

Original languageEnglish (US)
Title of host publicationOrigin and Evolution of Viruses, Second Edition
Number of pages8
ISBN (Electronic)9780123741530
StatePublished - Jan 1 2008

All Science Journal Classification (ASJC) codes

  • General Immunology and Microbiology


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