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Abstract Detail


Plant-Fungal Interactions

Arnold, A.E. [1].

Fungal endophytes: cryptic keys to understanding the evolution of major ecological modes in the Ascomycota.

In the last five years, tremendous progress in inferring the fungal tree of life has provided new insight into broad patterns underlying the evolution of plant-fungal symbioses. A major missing piece, however, remains in the poorly known and cryptic microfungi, such as endophytes associated with healthy foliage, which are not yet routinely incorporated into multilocus phylogenies. I will highlight the tremendous diversity, variable host specificity, and diverse evolutionary history of endophytic fungi (1) associated with all major lineages of land plants and (2) at sites ranging from the tropics to the tundra. Using multi-gene phylogenies as a foundation, I will show that these often overlooked fungi are key to understanding the shape and content of the fungal tree of life, and that they provide a critical ‘missing piece’ for understanding the evolution of major ecological modes in the Ascomycota, the most species-rich fungal phylum.


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Related Links:
Arnold lab webpage
Robert L. Gilbertson Mycological Herbarium, part of ARIZ (University of Arizona)


1 - The University of Arizona, Department of Plant Sciences, Division of Plant Pathology and Microbiology, 1140 E. South Campus Drive, Forbes 303, Tucson, AZ, 85721, USA

Keywords:
Fungi
Symbiosis
Endophyte
Diversity
Bayesian
phylogeny.

Presentation Type: Symposium or Colloquium Presentation
Session: SY14
Location: Boulevard A/Hilton
Date: Tuesday, July 10th, 2007
Time: 4:00 PM
Number: SY14006
Abstract ID:2319


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