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      Fungal endophytes: diversity and functional roles.

      1 , 2 , 3 , 4 , 2
      The New phytologist
      Wiley

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          Abstract

          All plants in natural ecosystems appear to be symbiotic with fungal endophytes. This highly diverse group of fungi can have profound impacts on plant communities through increasing fitness by conferring abiotic and biotic stress tolerance, increasing biomass and decreasing water consumption, or decreasing fitness by altering resource allocation. Despite more than 100 yr of research resulting in thousands of journal articles, the ecological significance of these fungi remains poorly characterized. Historically, two endophytic groups (clavicipitaceous (C) and nonclavicipitaceous (NC)) have been discriminated based on phylogeny and life history traits. Here, we show that NC-endophytes represent three distinct functional groups based on host colonization and transmission, in planta biodiversity and fitness benefits conferred to hosts. Using this framework, we contrast the life histories, interactions with hosts and potential roles in plant ecophysiology of C- and NC-endophytes, and highlight several key questions for future work in endophyte biology.

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          Author and article information

          Journal
          New Phytol
          The New phytologist
          Wiley
          1469-8137
          0028-646X
          2009
          : 182
          : 2
          Affiliations
          [1 ] US Geological Survey, Seattle, WA, USA.
          [2 ] University of Washington, Seattle, WA, USA.
          [3 ] Rutgers University, New Brunswick, NJ, USA.
          [4 ] Division of Plant Pathology & Microbiology, Department of Plant Sciences, University of Arizona, Tucson, AZ 85721, USA.
          Article
          10.1111/j.1469-8137.2009.02773.x
          19236579
          b56fed2b-b5ca-4d13-b8dc-5c53d97eb88b
          History

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