A new seco-pimarane diterpene and four new β-resorcylic acid lactones from a fungicolous Hypomyces subiculosus

To explore species diversity of Hypocreaceae, collections from Guangdong, Hubei, and Tibet of China were examined and two new species and a new Chinese record were discovered. Morphological characteristics and DNA sequence analyses of the ITS, LSU, EF-1a, and RPB2 regions support their placements in Hypocreaceae and the establishments of the new species. Hypomyces hubeiensis sp. nov. is characterized by occurrence on fruitbody of Agaricus sp., concentric rings formed on MEA medium, verticillium-like conidiophores, subulate phialides, rod-shaped to narrowly ellipsoidal conidia, and absence of chlamydospores. Trichoderma subiculoides sp. nov. is distinguished by effuse to confluent rudimentary stromata lacking of a well-developed flank and not changing color in KOH, subcylindrical asci containing eight ascospores that disarticulate into 16 dimorphic part-ascospores, verticilliumlike conidiophores, subcylindrical phialides, and subellipsoidal to rod-shaped conidia. Morphological distinctions between the new species and their close relatives are discussed. Hypomyces orthosporus is found for the first time from China.

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“…Members of the genus are mainly distributed in temperate and tropical regions and economically important in biomedicine and agriculture [32,33].…”

Section: Introductionmentioning

confidence: 99%

Two New Species and a New Chinese Record of Hypocreaceae as Evidenced by Morphological and Molecular Data

Zeng

Zhuang

2019

Mycobiology

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Beta resorcylic acid lactones (RALs) from fungi: chemistry, biology, and biosynthesis

Bang

Shim

2020

Arch. Pharm. Res.

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Seco-pimarane diterpenoids and androstane steroids from an endophytic Nodulisporium fungus derived from Cyclosorus parasiticus

Yang

Xue

et al. 2023

Phytochemistry

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A new seco-pimarane diterpene and four new β-resorcylic acid lactones from a fungicolous Hypomyces subiculosus

Abstract: One new seco-primarane diterpene and four new β-resorcylic acid lactones were isolated and identified from the fungicolous Hypomyces subiculosus.

Cited by 3 publications

References 20 publications

Two New Species and a New Chinese Record of Hypocreaceae as Evidenced by Morphological and Molecular Data

Two New Species and a New Chinese Record of Hypocreaceae as Evidenced by Morphological and Molecular Data

Beta resorcylic acid lactones (RALs) from fungi: chemistry, biology, and biosynthesis

Seco-pimarane diterpenoids and androstane steroids from an endophytic Nodulisporium fungus derived from Cyclosorus parasiticus

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