Journal
FUNGAL ECOLOGY
Volume 25, Issue -, Pages 1-13Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.funeco.2016.10.006
Keywords
Marine fungi; Ion torrent; LSU rDNA; Chytridiomycota; Neocallimastigomycota; Diversity; Coastal
Funding
- Graduate Research Fellowship by Mycological Society of America
- Duke Biology
- National Science Foundation Graduate Research Fellowship
- NSF Doctoral Dissertation Improvement Grant [NSF-DDIG 1311540]
- Ford Foundation Pre-Doctoral Fellowship
- Duke University Dean's Graduate Fellowship
- Division Of Environmental Biology
- Direct For Biological Sciences [1311540] Funding Source: National Science Foundation
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Despite nearly a century of study, the diversity of marine fungi remains poorly understood. Historical surveys utilizing microscopy or culture-dependent methods suggest that marine fungi are relatively species-poor, predominantly Dikarya, and localized to coastal habitats. However, the use of high throughput sequencing technologies to characterize microbial communities has challenged traditional concepts of fungal diversity by revealing novel phylotypes from both terrestrial and aquatic habitats. Here, I used ion semiconductor sequencing (Ion Torrent) of the ribosomal large subunit (LSU/28S) to explore fungal diversity from water and sediment samples collected from four habitats in coastal North Carolina. The dominant taxa observed were Ascomycota and Chytridiomycota, though all fungal phyla were represented. Diversity was highest in sand flats and wetland sediments, though benthic sediments harbored the highest proportion of novel sequences. Most sequences assigned to early-diverging fungal groups could not be assigned beyond phylum with statistical support, suggesting they belong to unknown lineages. (C) 2016 Elsevier Ltd and British Mycological Society. All rights reserved.
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