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Bacterial Endophytes as Elicitors of Induced Systemic Resistance

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Microbial Root Endophytes

Part of the book series: Soil Biology ((SOILBIOL,volume 9))

3.6 Conclusions

As discussed in this review, selected strains of nonpathogenic endophytic bacteria can elicit ISR in plants, leading to reductions in severity of various diseases. Research on such endophytes has concentrated both on delineating the pathosystems where protection results and in understanding plant responses that occur during the signal transduction pathways that culminate in disease protection. In many cases, elicitation of ISR by endophytic bacilli is associated with increased plant growth, and the relationship between ISR and growth promotion should be further investigated. Elucidation of specific bacterial determinants that account for elicitation of ISR is just beginning, and further work is needed to understand why one strain of a given bacterial species can elicit ISR while another strain of the same species cannot. It is encouraging that implementation of ISR by endophytic bacilli is beginning, even while some basic questions remain to be answered.

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Author information

Authors and Affiliations

  1. Department of Entomology and Plant Pathology, Auburn University, Auburn, AL, 36849, USA

    Joseph W. Kloepper

  2. Plant Biology Division, The Samuel Roberts Noble Foundation, 2510 Sam Noble Parkway, Ardmore, OK, 73401, USA

    Choong-Min Ryu

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  1. Joseph W. Kloepper
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  2. Choong-Min Ryu
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Editor information

Editors and Affiliations

  1. Institute of Microbiology, Technical University of Braunschweig, Spielmannstraße 7, 38106, Braunschweig, Germany

    Barbara J. E. Schulz

  2. Augustastraße 32, 02826, Görlitz, Germany

    Christine J. C. Boyle

  3. Department of Environmental Sciences Institute of Integrative Biology Forest Pathology and Dendrology, Swiss Federal Institute of Technology, 8092, Zürich, Switzerland

    Thomas N. Sieber

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© 2006 Springer-Verlag Berlin Heidelberg

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Kloepper, J.W., Ryu, CM. (2006). Bacterial Endophytes as Elicitors of Induced Systemic Resistance. In: Schulz, B.J.E., Boyle, C.J.C., Sieber, T.N. (eds) Microbial Root Endophytes. Soil Biology, vol 9. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-33526-9_3

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