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Escherichia coli carrying single pectate lyase genes from the phytopathogenicErwinia Chrysanthemi causes disease symptoms in potato

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Abstract

Introduction of the clonedErwinia chrysanthemi pelB orpelE genes intoEscherichia coli enabled the latter to cause blackleg disease symptoms in potato similar to those observed with the pathogenErwinia carotovora. TheE. coli cells multiplied in the roots and moved systemically in the potato stems, concomitant with the appearance of disease symptoms.E. coli cells expressing the clonedpel genes also interacted with the fungal pathogen,Verticillium dahliae, as observed previously withErwinia spp. The results indicate that either of two clonedpel genes permitsE. coli to cause relatively sophisticated diseases in potato plantlets.

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Authors and Affiliations

  1. Dept. of Plant Pathology, ARO, Gilat Experiment Station, M.P. Negev 2, 85280, Israel

    Leah Tsror(Lahkim) & A. Nachmias

  2. Dept. of Biology, Ben-Gurion University of the Negev, Be’er Sheva, Israel

    Z. Barak

  3. Dept. of Plant Pathology, University of California, 92521, Riverside, CA, USA

    N. T. Keen

Authors
  1. Leah Tsror(Lahkim)
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  2. A. Nachmias
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  3. Z. Barak
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  4. N. T. Keen
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Tsror(Lahkim), L., Nachmias, A., Barak, Z. et al. Escherichia coli carrying single pectate lyase genes from the phytopathogenicErwinia Chrysanthemi causes disease symptoms in potato. Phytoparasitica 19, 57–63 (1991). https://doi.org/10.1007/BF02981011

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  • DOI: https://doi.org/10.1007/BF02981011

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