Abstract
This chapter describes the ecology of foliar endophytes of the Acadian Forest that dominates Canada’s Maritime Provinces extending into Eastern Quebec and Maine. Recent evidence has illuminated the ‘foraging ascomycete’ life habit of fungi that can be endophytic in conifer needles. These fungi can occupy several eco-niches other than the needles including as saprophytes in aquatic or terrestrial environments or as endophytes of understory species. Structurally diverse secondary antifungal and antiinsectan metabolites appear to mediate the exchange between plant and fungus. The plant provides nutrients and shelter, the fungus increases plant fitness by contributing to tolerance to herbivorous insects or needle pathogens. This work is enabled by the advent of affordable sequencing capability, a dedication to fieldwork and alpha taxonomy, and directed investigations of the metabolites produced by these interesting fungi.
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References
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Acknowledgements
We thank many undergraduate and graduate students and post-doctoral fellows who have contributed to this research over the past three decades. We are grateful for the support and advice of Greg Adams, Shona Millican and Andrew McCartney from JD Irving Limited, Dr. Keith Seifert from Agriculture Agi-Food Canada (Ottawa), and Prof. David Malloch. We thank the Natural Sciences and Engineering Research Council of Canada, the Province of Ontario through the Mitacs program and JD Irving Limited for supporting this research. Jason Karakehian kindly provided the image of Colpoma crispum (Fig. 9d).
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Tanney, J.B., McMullin, D.R., Miller, J.D. (2018). Toxigenic Foliar Endophytes from the Acadian Forest. In: Pirttilä, A., Frank, A. (eds) Endophytes of Forest Trees. Forestry Sciences, vol 86. Springer, Cham. https://doi.org/10.1007/978-3-319-89833-9_15
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