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Characterization and Correlation Analysis of Bacterial Composition and Physicochemical Quality in High- and Medium-Temperature Daqu from China's Binzhou Region.
Curr Microbiol
January 2025
Brewing Technology Industrial College, Hubei University of Arts and Sciences, Xiangyang, Hubei, China.
To investigate the bacterial community structure and physicochemical characteristics of different types of Daqu in the Binzhou region, this study employed traditional pure culture methods, high-throughput sequencing technology, and conventional physicochemical assays for analysis. The research results indicate that Enterococcus faecium and Bacillus licheniformis emerged as the main LAB and Bacillus species in Daqu from Binzhou region, respectively. In addition, high-throughput sequencing revealed significant differences in bacterial community structure between the two types of Daqu (P < 0.
View Article and Find Full Text PDFNatural Mutation of PrfA K10N/T151A Enhances Serotype 4h Virulence.
Foodborne Pathog Dis
January 2025
College of Biological Sciences and Technology, Yangzhou University, Yangzhou, China.
PrfA is a key virulence regulator for (Lm) responding to host environment. Here we report that the natural mutation in PrfA enhanced the pathogenicity of hypervirulent serotype 4h . We characterized the phylogenetic tree of PrfA, and found that PrfA prevalently distributed in all serotype 4h isolates.
View Article and Find Full Text PDFInvestigating the time to blood culture positivity: why does it take so long?
J Med Microbiol
January 2025
Division of Infection and Global Health, School of Medicine, University of St Andrews, St Andrews, UK.
Bloodstream infections (BSIs) are one of the most serious infections investigated by microbiologists. However, the time to detect a BSI fails to meet the rapidity required to inform clinical decisions in real time. Blood culture (BC) is considered the gold standard for diagnosing bloodstream infections.
View Article and Find Full Text PDFEnhancing Chitin Production as a Fermentation Byproduct through a Genetic Toolbox That Activates the Cell Wall Integrity Response.
ACS Synth Biol
January 2025
Department of Bioproducts and Biosystems, Aalto University, Espoo 02150, Finland.
Often, the value of the whole biomass from fermentation processes is not exploited, as commercial interests are focused on the main product that is typically either accumulated within cells or secreted into the medium. One underutilized fraction of yeast cells is the cell wall that contains valuable polysaccharides, such as chitin, known for its biocompatibility and biodegradability, which are thought of as valuable properties in diverse industries. Therefore, the valorization of waste biomass from fermentation to coproduce chitin could significantly improve the overall profitability and sustainability of biomanufacturing processes.
View Article and Find Full Text PDFEvaluating the effectiveness of Pisolithus tinctorius in enhancing the Eucalyptus' resistance to salt stress.
AMB Express
January 2025
Central Laboratory for Agricultural Climate, Agricultural Research Center, Dokki, Giza, Egypt.
Afforestation projects on saline land, using Eucalyptus trees and ectomycorrhizal fungi, are crucial for restoring affected areas and promoting ecological and economic benefits, particularly in saline-affected areas. This study was conducted to isolate Pisolithus sp. and estimate its potential to improve the growth performance of Eucalyptus globulus seedlings under salt-stress conditions.
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