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Molecular phylogeny and morphology reveal two new graminicolous species, and . with new records of spp from Sri Lanka.
Fungal Syst Evol
November 2023
Department of Botany, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda, Sri Lanka.
Despite being a small island, Sri Lanka is rich in fungal diversity. Most of the fungi from Sri Lanka have been identified as pathogens of vegetables, fruits, and plantation crops to date. The pleosporalean genus () includes phytopathogenic, saprobic, endophytic, and human/animal opportunistic pathogenic fungal species.
View Article and Find Full Text PDFFirst report of leaf spot of maize caused by in India.
Plant Dis
January 2024
National Bureau of Agriculturally Important Microorganisms, 155200, plant pathology, Mau Nath Bhanjan, Uttar Pradesh, India;
Article Synopsis
- Curvularia leaf spot, primarily caused by Curvularia lunata, C. geniculata, and C. pallescens, affects maize worldwide, with significant observations in Uttar Pradesh, India, where symptoms were noted in February 2017 with less than 10% plant incidence.
- Infected maize leaves developed yellow spots ranging from 2.5 mm to 1 cm in diameter, surrounded by a chlorotic halo and dark borders, leading to the collection and sterilization of symptomatic leaf tissue for further analysis.
- After culturing the collected tissue on potato dextrose agar, distinct pure cultures were obtained for morphological and molecular identification, confirming traits similar to Curvularia verruculosa,
Unusual Oligomeric Laccase-like Oxidases from Ascomycete VKM F-3561 Polymerizing Phenylpropanoids and Phenolic Compounds under Neutral Environmental Conditions.
Microorganisms
November 2023
G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Federal Research Center "Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences", Prosp. Nauki 5, 142290 Pushchino, Russia.
The unique oligomeric alkaliphilic laccase-like oxidases of the ascomycete VKM F-3561 (with molecular masses about 1035 and 870 kDa) were purified and characterized for the first time. The ability of the enzymes to oxidize phenylpropanoids and phenolic compounds under neutral environmental conditions with the formation of previously unknown di-, tri-, and tetrameric products of transformation was shown. The possibility to obtain industrially valuable compounds (dihydroxybenzyl alcohol and hydroxytyrosol) from caffeic acid using laccase-like oxidases of VKM F-3561 has been shown.
View Article and Find Full Text PDFPhaeohyphomycosis: A study from tertiary health care center in North India.
Indian J Pathol Microbiol
April 2023
Department of Microbiology, Government Medical College Hospital, Chandigarh, India.
Objectives: Phaeohyphomycosis refers to infections caused by phaeoid/dematiaceous or darkly pigmented fungi. This study was undertaken to further increase our knowledge about the incidence of phaeohyphomycosis and its causative agents.
Materials And Methods: The present study was conducted over a period of one and a half years (January 2018-June 2019) on specimens received from patients with varied clinical manifestations ranging from superficial infections, subcutaneous cysts, pneumonia, brain abscess to a disseminated infection.
First report of Curvularia geniculata causing leave spot disease of Bletilla striata in Zhejiang of China.
Plant Dis
April 2023
Zhejiang Academy of Agricultural Sciences, 74561, Institute of Plant Protection and Microbiology, Hangzhou, Zhejiang, China;
Bletilla striata, a perennial herbaceous plant belonging to the family Orchidaceae, is native to China and is widely distributed in the Yangtze River basin. In China, B. striata is a popular medicinal plant that is typically used to reduce wound bleeding and inflammation.
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