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Acta Biologica Hungarica

, Volume 52, Issue 2–3, pp 299–306 | Cite as

Effects of Double-Stranded RNA Viruses on the Reproduction of Phaffia rhodozyma

  • Ilona PfeifferEmail author
  • Judit Litter
  • Zs. Pénzes
  • Judit Kucsera
Open Access
Article

Abstract

DsRNA viruses were transferred from a virus-containing strain to a virus-free strain of Phaffia rhodozyma by protoplast fusion. The resulting new strain carried all three types of dsRNA of the virus-containing strain and had the electrophoretic karyotype of the virus-free strain. The effects of the dsRNA viruses on the host fitness were checked by following the asexual and the sexual reproductivity. The results demonstrated that viruses have no effect on the growth rate during the lag and log phases of the vegetative reproduction, but the maximum cell numbers in the stationary phase differ significantly. Inconclusive results were obtained as concerns the effects of viruses on the sexual reproduction.

Keywords

Phaffia rhodozyma dsRNA viruses sexual reproduction asexual reproduction fitness 

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Copyright information

© Akadémiai Kiadó, Budapest 2001

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Authors and Affiliations

  • Ilona Pfeiffer
    • 1
    Email author
  • Judit Litter
    • 1
  • Zs. Pénzes
    • 1
  • Judit Kucsera
    • 2
  1. 1.Department of Microbiology, Faculty of SciencesUniversity of SzegedSzegedHungary
  2. 2.Department of Ecology, Faculty of SciencesUniversity of SzegedSzegedHungary

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