A total of 420 fungal OTUs and 170 fungal taxa were recovered from Okinawa Trough.
Illumina sequencing dramatically accelerated the discovery of fungal community in deep-sea sediments.
More than 31.7% and 21.5% sequences were unassigned fungal genera and new reports for deep-sea environments, respectively.
Sordariomycetes was the most diverse and abundant fungal class in deep-sea sediments from Okinawa Trough.