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THE MECHANISMS AND APPLICATIONS OF SYMBIOTIC OPPORTUNISTIC PLANT SYMBIONTS

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Book cover Novel Biotechnologies for Biocontrol Agent Enhancement and Management

Part of the book series: NATO Security through Science Series ((NASTA))

Abstract

A number of fungi have evolved a symbiotic life style with plants, including some organisms that include similar strains or species that are plant pathogens. Some are obligate symbionts such as ecto- or endomycorrhizal fungi, while others are endophytes that have free-living capabilities. Still others are highly competitive in soil and proliferate there. These are the opportunistic plant symbionts. Fungi in the genus Trichoderma have long been considered as biocontrol agents, but they are highly successful plant symbionts as well. The critical step for establishment of the symbiotic life style begins with root colonization and infection of outer cortical layers. A zone of chemical interaction is established; some of the Trichoderma signaling molecules are known. As a result of this interaction, the fungus is walled off; in rare cases where components of this communication are lacking, Trichoderma can become a pathogen.

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  1. Department of Horticultural Sciences, Cornell University, Geneva, NY, 14456, USA

    Gary E. Harman & Michal Shoresh

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  1. Consiglio Nazionale delle Ricerche, Bari, Italy

    Maurizio Vurro

  2. Weizmann Institute of Science, Rehovot, Israel

    Jonathan Gressel

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Harman, G.E., Shoresh, M. (2007). THE MECHANISMS AND APPLICATIONS OF SYMBIOTIC OPPORTUNISTIC PLANT SYMBIONTS. In: Vurro, M., Gressel, J. (eds) Novel Biotechnologies for Biocontrol Agent Enhancement and Management. NATO Security through Science Series. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-5799-1_7

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