Before Listeria Sets In, Mann Recalls Over 100 Of Its Vegetable Products
Here's what may happen if you get infected by Listeria monocytogenes.
ConclusionsThus, hMCs exhibit a highly individualized pattern of immune response possibly to meet tissue requirements and regulate bacteria coexistence vs defense.
Publication date: Available online 27 March 2020Source: Trends in Food Science &TechnologyAuthor(s): Nádia F.D. Silva, M.M.P.S. Neves, Júlia M.C. S. Magalhães, Cristina Freire, Cristina Delerue-Matos
Publication date: Available online 26 March 2020Source: Food ControlAuthor(s): Marie Limoges, Gina Frontino, Catherine Donnelly
Mark Gray In diagnostic microbiology, culture media are widely used for detection of pathogenic bacteria. Such media employ various ingredients to optimize detection of specific pathogens such as chromogenic enzyme substrates and selective inhibitors to reduce the presence of commensal bacteria. Despite this, it is rarely possible to inhibit the growth of all commensal bacteria, and thus pathogens can be overgrown and remain undetected. One approach to attempt to remedy this is the use of “suicide substrates” that can target specific bacterial enzymes and selectively inhibit unwanted bacterial spe...
An early exposure to lipid biochemistry in the laboratory of Konrad Bloch resulted in a fascination with the biosynthesis, structures, and functions of bacterial lipids. The discovery of plasmalogens (1-alk-1′-enyl, 2-acyl phospholipids) in anaerobic Gram-positive bacteria led to studies on the physical chemistry of these lipids and the cellular regulation of membrane lipid polymorphism in bacteria. Later studies in several laboratories showed that the formation of the alk-1-enyl ether bond involves an aerobic process in animal cells and thus is fundamentally different from that in anaerobic organisms. Our work provi...
Publication date: 24 March 2020Source: Cell Reports, Volume 30, Issue 12Author(s): Dmitriy Ignatov, Karolis Vaitkevicius, Sylvain Durand, Laty Cahoon, Stefanie S. Sandberg, Xijia Liu, Birgitte H. Kallipolitis, Patrik Rydén, Nancy Freitag, Ciarán Condon, Jörgen Johansson
Analyst, 2020, Accepted Manuscript DOI: 10.1039/D0AN00397B, PaperYuanyuan Guo, Chao Zhao, Yushen Liu, Heran Nie, Xiaoxiao Guo, Xiu-Ling Song, Kun Xu, Juan Li, Juan Wang Fluorescent-based assays have been regarded as promising tools for specific, sensitive, rapid and effective detection of Listeria monocytogenes (L. monocytogenes). Nevertheless, the aggregation-caused quenching (ACQ) of emissions is always a... The content of this RSS Feed (c) The Royal Society of Chemistry
Publication date: Available online 24 March 2020Source: Food ControlAuthor(s): T. Mazaheri, C. Ripolles-Avila, A.S. Hascoët, J.J. Rodríguez-Jerez
Publication date: Available online 24 March 2020Source: Food Research InternationalAuthor(s): Jingya Qian, Mi Zhang, Chunhua Dai, Shuhao Huo, Haile Ma
The Western diet is rich in salt, which poses various health risks. A high-salt diet (HSD) can stimulate immunity through the nuclear factor of activated T cells 5 (Nfat5)–signaling pathway, especially in the skin, where sodium is stored. The kidney medulla also accumulates sodium to build an osmotic gradient for water conservation. Here, we studied the effect of an HSD on the immune defense against uropathogenic E. coli–induced pyelonephritis, the most common kidney infection. Unexpectedly, pyelonephritis was aggravated in mice on an HSD by two mechanisms. First, on an HSD, sodium must be excreted; therefore, ...