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Enhanced inactivation of Aspergillus niger biofilms by the combination of UV-LEDs with chlorine-based disinfectants.
Water Res
December 2024
Shaanxi Provincial Field Scientific Observation and Research Station of Water Quality in Qinling Mountains, Xi'an University of Architecture and Technology, Xi'an 710055, China; Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, PR China; Collaborative Innovation Center of Water Pollution Control and Water Quality Security Assurance of Shaanxi Province, Xi'an University of Architecture and Technology, Xi'an, 710055, PR China. Electronic address:
Article Synopsis
- Pathogenic fungal biofilms, particularly Aspergillus niger, pose risks to drinking water safety, prompting research into their inactivation methods.
- * The study tested various combinations of ultraviolet light emitting diodes (UV-LEDs) and chlorine-based disinfectants, finding that these combinations significantly enhance the destruction of the A. niger biofilm compared to using UV-LEDs alone.
- * Results showed that biofilms matured quickly within 24-96 hours, and during inactivation, the biofilm cells exhibited increased membrane permeability and signs of cellular death, highlighting potential strategies for effective water treatment.
Antifungal, antiaflatoxigenic, and cytotoxic properties of bioactive secondary metabolites derived from Bacillus species.
Sci Rep
July 2024
Food Toxicology and Contaminants Department, Food Industry and Nutrition Research Institute, National Research Centre, Dokki, Cairo, 12622, Egypt.
Aflatoxins (AFs) are hazardous carcinogens and mutagens produced by some molds, particularly Aspergillus spp. Therefore, the purpose of this study was to isolate and identify endophytic bacteria, extract and characterize their bioactive metabolites, and evaluate their antifungal, antiaflatoxigenic, and cytotoxic efficacy against brine shrimp (Artemia salina) and hepatocellular carcinoma (HepG2). Among the 36 bacterial strains isolated, ten bacterial isolates showed high antifungal activity, and thus were identified using biochemical parameters and MALDI-TOF MS.
View Article and Find Full Text PDFIndole alkaloids isolated from the Nicotiana tabacum-derived Aspergillus fumigatus 0338 as potential inhibitors for tobacco powdery mildew and their mode of actions.
Pestic Biochem Physiol
March 2024
Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming 650500, PR China; Key Laboratory of Tropical Plant Resource and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming 650223, PR China. Electronic address:
Article Synopsis
- Researchers investigated the antifungal properties of a fermentation extract from Aspergillus fumigatus against tobacco powdery mildew caused by Golovinomyces cichoracearum, isolating 14 indole alkaloid derivatives, seven of which were newly identified.* -
- Among the new compounds, 1-3 were rare tricyclic indole alkaloids, and compounds 6 and 7 introduced a new structural framework, showcasing the unique diversity of these natural products.* -
- The study revealed that compounds 7 and 9 exhibited strong antifungal activity with inhibition rates of 82.6% and 85.2% respectively, surpassing the positive control carbendazim, and contributed to enhanced plant
From lab to field: biological control of the Japanese beetle with entomopathogenic fungi.
Front Insect Sci
May 2023
Extension Arable Crops, Department of Plants and Plant Products, Agroscope, Zurich, Switzerland.
The Japanese beetle, , is an invasive scarab and listed as quarantine organism in many countries worldwide. Native to Japan, it has invaded North America, the Azores, and recently mainland Europe. Adults are gregarious and cause agricultural and horticultural losses by feeding on leaves, fruits, and flowers of a wide range of crops and ornamental plants.
View Article and Find Full Text PDFMicrosurgical Debridement for Persistent Ulcers Due to Rare Fungus Infection: Case Report and Literature Review.
Arch Plast Surg
January 2024
Department of Surgery, China Medical University Hospital, Taichung, Taiwan.
A patient suffered from chronic ulcer due to recalcitrant fungal infection for 3.5 years. Five antifungal agents and 40 times of debridement-all failed.
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