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Antimicrobial Susceptibility and Genomic Characterization of Vibrio cholerae Non-O1/non-O139 Isolated from Clinical and Environmental Samples in Jiaxing City, China.
FEMS Microbiol Lett
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Jiaxing Key Laboratory of Pathogenic Microbiology, Jiaxing Center for Disease Control and Prevention, Jiaxing 314050, China.
Non-O1/non-O139 (NOVC) strains inhabit aquatic environments and sporadically induce human illnesses. This study involved the virulence and antimicrobial genetic characterization of 176 NOVC strains, comprising 25 from clinical samples and 151 from environmental sources, collected between 2021 and 2023. The antimicrobial susceptibility of the examined NOVC population was predominantly high, exhibiting only poor susceptibility to colistin, with 89.
View Article and Find Full Text PDFGenetic diversity and virulence gene profiling of Vibrio harveyi in a vibriosis-affected European seabass (Dicentrarchus labrax) aquaculture tank.
Mar Pollut Bull
January 2025
Univ. Littoral Côte d'Opale, UMRt 1158 BioEcoAgro, USC ANSES, INRAE, Univ. Artois, Univ. Lille, Univ. Picardie Jules Verne, Univ. Liège, Junia, F-62200 Boulogne-sur-Mer, France. Electronic address:
Aquaculture is crucial for meeting global seafood demand; however, intensification often leads to the development of bacterial diseases that threaten productivity. Dicentrarchus labrax, a key species in European aquaculture, is highly vulnerable to vibriosis, primarily caused by Vibrio harveyi. This study investigates genetic diversity of V.
View Article and Find Full Text PDFMarine microbes suppressed Vibrio and enhanced biological performance of euryhaline rotifer, Brachionus plicatilis.
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Key Laboratory of Aquaculture Nutrition and Feeds (Ministry of Agriculture and Rural Affairs), Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, Qingdao 266100, China. Electronic address:
The excessive use of antibiotics in mariculture has surpassed permitted levels, leading to their release into surrounding waters and accumulation in cultured organisms, which poses risks to human health and highlighting the urgent need for alternatives to reduce antibiotic use. Therefore, the present study aimed to test four microbes including Debaryomyces hansenii, Ruegeria mobilis, Lactobacillus plantarum and Bacillus subtilis, on lowering Vibrio, promoting population increase and survival of Brachionus plicatilis. The digestive enzymes activity including α-amylase, lipase and protease, microbial retention and biochemical composition of rotifers were analyzed.
View Article and Find Full Text PDFLab-on-paper for molecular testing with USB-powered isothermal amplification and fluidic control.
Mikrochim Acta
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Department of Biotechnology and Bioengineering, Chonnam National University, Gwangju, 61186, Republic of Korea.
The global healthcare market increasingly demands affordable molecular diagnostics for field testing. To address this need, we introduce a lab-on-paper (LOP) platform that integrates isothermal amplification with a specially designed paper strip for molecular testing through an automated microfluidics process. The LOP system is engineered for rapid, cost-effective, and highly sensitive detection, using USB-powered thermal management and a wax valve mechanism.
View Article and Find Full Text PDFCharacterization, Bio-Prospection, and Comparative Metagenomics of Bacterial Communities Revealing the Predictive Functionalities in Wild and Cultured Samples of Industrially Important Red Seaweed Gracilaria dura.
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Applied Phycology and Biotechnology Division, CSIR-Central Salt and Marine Chemicals Research Institute, Bhavnagar, 364001, India.
The present study explores the microbial community associated with the industrially important red seaweed Gracilaria dura to determine the diversity and biotechnological potential through culture and metagenomics approaches. In the first part of the investigation, we isolated and characterized 75 bacterial morphotypes, with varied colony characteristics and metabolic diversity from the wild seaweed. Phylogenetic analysis identified isolates in Proteobacteria, Firmicutes, and Actinobacteria, with Bacillus sp.
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