Diversity of higher marine fungi at Hat Khanom-Mu Ko Thale Tai National Park, Southern Thailand

Species occurrence and distribution of higher marine fungi at Hat Khanom-Mu Ko Thale Tai National Park, Nakhon SiThammarat Province, Southern Thailand was investigated. Four collections from four sites yielded 112 higher marine fungirepresenting 79 ascomycetes, 3 basidiomycetes, 30 anamorphic fungi, while others await further identification. Average percentageoccurrence of fungi recorded ranged from 0.05-11.3%. Species diversity, richness, and evenness were greatest atSite IV, Ao Tok, Koh Taen. The most frequently encountered taxa for all sites (>10%) were Corollospora maritima andLindra thallasiae. Lindra thallasiae and Swampomyces aegyptiacus were recorded for the first time in Thailand

Xylariphilone: a new azaphilone derivative from the seagrass-derived fungus Xylariales sp. PSU-ES163

<div><p>One new azaphilone derivative, named xylariphilone (<b>1</b>), along with 10 known compounds was isolated from the seagrass-derived fungus Xylariales sp. PSU-ES163. Their structures were elucidated on the basis of extensive spectroscopic analysis. The absolute and relative configurations of <b>1</b> were determined by circular dichroism spectroscopy and NOEDIFF data. The antimicrobial and cytotoxic activities of the isolated compounds were evaluated.</p></div