Citation

Deng LS, Yu WJ, Zeng NK, Zhang YZ, Wu XP, Li HJ, Xu F, Fan YG. Front. Microbiol. 2022; 13: e923435.

Copyright

(Copyright © 2022, Frontiers Research Foundation)

DOI

10.3389/fmicb.2022.923435

PMID

35859745

PMCID

PMC9290438

Abstract

Currently, mushroom poisoning still poses a huge problem to humans' health and life globally. Poisoning incidents caused by Inosperma spp. were reported continuously in tropical China in recent years. In this study, a new poisonous Inosperma species, discovered from a poisoning incident, was described in tropical China based on morphological, molecular, and toxin detection evidence; detailed descriptions, photographs, and comparisons to closely related species were provided. For qualitative analysis, through targeted screening using ultra-high liquid chromatography triple quadrupole mass spectrometry (UPLC-MS/MS), the new species contains muscarine and no other toxins (two isoxazole derivatives, two tryptamine alkaloids, three amatoxins, and three phallotoxins). For quantitative analysis, muscarine contents in the pileus and the stipe were 2.08 ± 0.05 and 6.53 ± 1.88 g/kg, respectively.

Language: en

Keywords

muscarine; mushroom poisoning incident; new species; tropical China; ultra-high liquid chromatography triple quadrupole mass spectrometry