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Isolation and Characterization of Bacteriophages Infecting Ralstonia solanacearum from Potato Fields

Jihyun Lee,T. Park

Published 2016 in Radiation Protection Dosimetry

ABSTRACT

The phytopathogen, Ralstonia solanacearum is a soil-borne gram-negative bacterium and causes bacterial wilt disease in many important crops in tropical and subtropical areas (Hayward, 2000). However, the reports of the disease have increased in temperate regions including Republic of Korea due to the increased temperature caused by global warming (Shin and Yun, 2010). R. solanacearum is highly heterogeneous and was subdivided into five races and six biovars based on their physiological and biochemical characteristics (Hayward, 2000; Hayward et al., 1990). Recent classification revealed that it is sub-grouped into four phylotypes based on molecular and geographical information (Fegan and Prior, 2005; Remenant et al., 2010). Although this pathogen is easily disseminated and survives for many years in plant farming system and chemicals are applied to control the disease, they are of limited efficacy and cause several problems such as environment pollution, ecosystem disruption and residual chemicals on crops. Due to these reasons, the use of phage therapy has been suggested to control bacterial diseases as a biological agent and bacteriophage (phage) infecting R. solanacearum was also proposed to control bacterial wilt disease (Bae et al., 2012; Balogh et al., 2010; Fujiwara et al., 2011). Bacteriophage is one of the most abundant organisms in the biosphere including rhizosphere and effective on bacterial evolution (Ashelford et al., 2003; Suttle, 2005). Phage is virus specifically infecting bacteria and its host specificity is very high. However, it is not toxic to any of eukaryotic cells including animals and plants and its preparation is easy and inexpensive

PUBLICATION RECORD

  • Publication year

    2016

  • Venue

    Radiation Protection Dosimetry

  • Publication date

    2016-12-31

  • Fields of study

    Biology, Agricultural and Food Sciences, Environmental Science

  • Identifiers
    DOI 10.5423/RPD.2016.22.4.236
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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