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[Species diversity of dark septate endophytes in tundra plants of Changbai Mountains, Northeast China].
Ying Yong Sheng Tai Xue Bao
June 2024
2 College of Environment and Resources, Dalian Minzu University, Dalian 116600, Liaoning, China.
Article Synopsis
- Researchers isolated dark septate endophytic (DSE) fungi from tundra plant roots in the Changbai Mountains and analyzed their colonization and community composition
- They identified 69 strains from 10 genera and 12 species, with some being newly reported as DSE fungi in China's alpine tundra
- The study revealed that DSE fungi enhance tundra plants' adaptability to harsh conditions through rich diversity and strong symbiotic relationships.
First Report of Causing Root Rot on Hard Fescue () in the United States.
Plant Dis
July 2024
Rutgers The State University of New Jersey, 59 Dudley Rd., New Brunswick, New Jersey, United States, 08901;
Turfgrasses are susceptible to a wide variety of ectotrophic root-infecting (ERI) fungi that cause root rot (Tredway et al., 2023). Among the root rot diseases, fairway patch, caused by Phialocephala bamuru P.
View Article and Find Full Text PDFExploring structural and molecular diversity of Ericaceae hair root mycobionts: a comparison between Northern Bohemia and Argentine Patagonia.
Mycorrhiza
November 2023
Laboratorio de Microbiología Aplicada y Biotecnología, Centro Regional Universitario Bariloche, IPATEC (Universidad Nacional del Comahue-CONICET), San Carlos de Bariloche, Río Negro, Argentina.
Core Ericaceae produce delicate hair roots with inflated rhizodermal cells that host plethora of fungal symbionts. These poorly known mycobionts include various endophytes, parasites, saprobes, and the ericoid mycorrhizal (ErM) fungi (ErMF) that form the ErM symbiosis crucial for the fitness of their hosts. Using microscopy and high-throughput sequencing, we investigated their structural and molecular diversity in 14 different host × site combinations in Northern Bohemia (Central Europe) and Argentine Patagonia (South America).
View Article and Find Full Text PDFDiscovery of pyranonaphthoquinones and an eighteen-membered ring macrolide from the rhizospheric soil-derived fungus Phialocephala sp. YUD18001 by OSMAC strategy.
Fitoterapia
December 2023
Key Laboratory of Functional Molecules Analysis and Biotransformation of Universities in Yunnan Province, Yunnan Characteristic Plant Extraction Laboratory, School of Chemical Science and Technology, Yunnan University, Kunming 650091, China; College of Traditional Chinese Medicine, Yunnan University of Chinese Medicine, Kunming 650500, China. Electronic address:
Two new pyranonaphthoquinones, phialoyxinones A (1) and B (2), a new eighteen-membered ring lactone, phialoyxtone (3), and five known pyranonaphthoquinone derivatives were identified from the fungus Phialocephala sp. YUD18001, which was isolated from the rhizospheric soil associated with Gastrodia elata. Their structures were unequivocally established by a comprehensive interpretation of the spectroscopic data, with the stereochemistry for 1-3 was defined by a combination of TDDFT calculations, and the DP4+ probability analysis based on NMR chemical shift calculations.
View Article and Find Full Text PDFPhialocetones A-J, C lactones from the rhizospheric soil-derived fungus Phialocephala sp. YUD18001 associated with Gastrodia elata.
Phytochemistry
October 2022
Key Laboratory of Functional Molecules Analysis and Biotransformation of Universities in Yunnan Province, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, China; College of Pharmacy, Dali University, Dali, 671000, China. Electronic address:
Ten undescribed C polyketide phialocetones A-J, featuring twelve-, six- and five-membered lactone moieties, were isolated from a rhizospheric soil-derived Phialocephala sp. YUD18001 associated with Gastrodia elata. Their structures were established by NMR spectroscopic analysis and HRMS, while their absolute configurations were determined by computational methods and chemical reactions.
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