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Benzopyranones from the endophytic fungus Hyalodendriella sp. Ponipodef12 and their bioactivities.


ABSTRACT: The endophytic fungus Hyalodendriella sp. Ponipodef12 was isolated from the hybrid 'Neva' of Populus deltoides Marsh × P. nigra L. In this study, four benzopyranones were isolated from the ethyl acetate extract of Hyalodendriella sp. Ponipodef12, and identified as palmariol B (1), 4-hydroxymellein (2), alternariol 9-methyl ether (3), and botrallin (4) by means of physicochemical and spectroscopic analysis. All the compounds were evaluated for their antibacterial, antifungal, antinematodal and acetylcholinesterase inhibitory activities. 4-Hydroxymellein (2) exhibited stronger antibacterial activity than the other compounds. Palmariol B (1) showed stronger antimicrobial, antinematodal and acetylcholinesterase inhibitory activities than alternariol 9-methyl ether (3) which indicated that the chlorine substitution at position 2 may contribute to its bioactivity. The results indicate the potential of this endophytic fungus as a source of bioactive benzopyranones.

SUBMITTER: Meng X 

PROVIDER: S-EPMC6268909 | biostudies-literature | 2012 Sep

REPOSITORIES: biostudies-literature

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Benzopyranones from the endophytic fungus Hyalodendriella sp. Ponipodef12 and their bioactivities.

Meng Xiangjie X   Mao Ziling Z   Lou Jingfeng J   Xu Liang L   Zhong Lingyun L   Peng Youliang Y   Zhou Ligang L   Wang Mingan M  

Molecules (Basel, Switzerland) 20120925 10


The endophytic fungus Hyalodendriella sp. Ponipodef12 was isolated from the hybrid 'Neva' of Populus deltoides Marsh × P. nigra L. In this study, four benzopyranones were isolated from the ethyl acetate extract of Hyalodendriella sp. Ponipodef12, and identified as palmariol B (1), 4-hydroxymellein (2), alternariol 9-methyl ether (3), and botrallin (4) by means of physicochemical and spectroscopic analysis. All the compounds were evaluated for their antibacterial, antifungal, antinematodal and ac  ...[more]

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