Results 51 to 60 of about 121,530 (311)

Isolation and molecular characterization of Listeria spp. from animals, food and environmental samples

Veterinární Medicína, 2011
A total of 46 Listeria spp. were isolated from 719 samples (milk, bulk tank swabs, cheese, feed, water, faeces and the environment) collected from 415 cattle and 304 sheep over 12 months (from February 2007 to January 2008).
E. Atil, H.B. Ertas, G. Ozbey
doaj   +1 more source

Trained Immunity Confers Prolonged Protection From Listeriosis

Frontiers in Immunology, 2021
Trained immunity refers to the ability of the innate immune system exposed to a first challenge to provide an enhanced response to a secondary homologous or heterologous challenge. We reported that training induced with β-glucan one week before infection
Charlotte Théroude, Marta Reverte, Tytti Heinonen, Eleonora Ciarlo, Irene T. Schrijver, Nikolaos Antonakos, Nicolas Maillard, Florian Pralong, Didier Le Roy, Thierry Roger   +9 more
doaj   +1 more source

Lab‐in‐a‐Tube System Integrating Hierarchically Wrinkled Electrodes and DNAzyme‐Functionalized Beads for Diagnosis of Clostridioides difficile Infection

Advanced Materials, EarlyView.
The point‐of‐care diagnosis of Clostridioides difficile infection remains challenging due to reliance on slow culture and amplification‐based methods. A lab‐in‐a‐tube electrochemical biosensor integrating DNAzymes, antifouling magnetic beads, and a hierarchically structured flow cell enables amplification‐ and culture‐free detection directly in stool ...
Survanshu Saxena, Soyeon Lee, Youngeun Choi, Jonathan L'Heureux‐Hache, Jiaying Liu, Sadman Sakib, Sara M. Imani, Marek Smieja, Yingfu Li, Todd Hoare, Leyla Soleymani   +10 more
wiley   +1 more source

Pyrazole‐Derived Antibacterial Compounds Effectively Treat Methicillin‐Resistant Staphylococcus Aureus Infections by Inhibiting Aspartate Transcarbamoylase

Advanced Science, EarlyView.
This study unveils a novel antibacterial mechanism against MRSA, in which the compound Py‐27 selectively targets and inhibits aspartate transcarbamoylase (ATCase), a key enzyme in pyrimidine synthesis. This inhibition disrupts DNA replication, induces oxidative damage, leading to potent bactericidal activity.
Xiaorong Yang, Xinyuan Cao, Lixia Dai, Feng Yang, Jing Wang, Yudong Ma, Tong Bu, Zile Gong, Xueyan Liu, Changcai Bai, Xiaolou Miao, Xiaofei Shang   +11 more
wiley   +1 more source

To the issue of differential diagnosis of listeriosis

Детские инфекции (Москва), 2019
A clinical example shows the erroneous diagnosis of listeriosis in a 15-year-old child hospitalized in the infectious department. The child was admitted with severe symptoms of intoxication, febrile fever, difficulty in nasal breathing, hyperemia of the ...
O. V. Kladova, A. E. Andzhel, Yu. V. Kompaniets, N. L. Grishkevich   +3 more
doaj   +1 more source

Chitin Attenuates Expression of Listeria monocytogenes Virulence Genes in vitro

Frontiers in Microbiology, 2020
External signals are crucial for bacteria to sense their immediate environment and fine-tune gene expression accordingly. The foodborne pathogen Listeria monocytogenes senses a range of environmental cues in order to activate or deactivate the virulence ...
Miguel Villoria Recio, Miguel Villoria Recio, Miguel Villoria Recio, Bo-Hyung Lee, Eva Maria Sternkopf Lillebæk, Birgitte H. Kallipolitis, Cormac G. M. Gahan, Cormac G. M. Gahan, Hanne Ingmer, Marianne Halberg Larsen   +9 more
doaj   +1 more source

Metabolic responses of primary and transformed cells to intracellular Listeria monocytogenes. [PDF]

, 2012
The metabolic response of host cells, in particular of primary mammalian cells, to bacterial infections is poorly understood. Here, we compare the carbon metabolism of primary mouse macrophages and of established J774A.1 cells upon Listeria monocytogenes
Wolfgang Eisenreich (108576), Anette Schulz (108573), Andreas Götz (108569), Gillmaier, Nadine, Götz, Andreas, Nadine Gillmaier, Schulz, Anette, Werner Goebel, Goebel, Werner, Eisenreich, Wolfgang, Werner Goebel (7241), Andreas Götz, Anette Schulz, Wolfgang Eisenreich, Nadine Gillmaier (108566)   +14 more
core   +1 more source

Programmable Encapsulation Enables On‐Demand Proliferation of Therapeutic Bacteria for Potent Cancer Immunotherapy

Advanced Science, EarlyView.
A programmable encapsulation technology is developed to reduce bacterial immunogenicity and proliferation after systemic administration. The cross‐linked polymer networks around individual bacteria enable immunogenic shielding and permit selective proliferation in tumors, allowing the bacteria to convert tumor‐accumulated ammonia into L‐arginine and ...
Jianhui Yang, Ao Peng, Shuaiqiang Li, Yaning Huang, Jian Yan, Leyuan Wang, Zhihui Zhu, Fei‐Long Liu, Erbao Bian, Yang Liu, Dasheng Tian, Fenghe Li, Qi Liu   +12 more
wiley   +1 more source

AquaSparkTM – Rapid Environmental Monitoring of Listeria monocytogenes

CHIMIA, 2020
In order to prevent microbial contamination of food, monitoring of the production environment, together with the rapid detection of foodborne pathogens have proven to be of utmost importance for Food Safety. Environmental monitoring should detect harmful
Giverny M. Ganz, Lukas Reinau, Anne-Flore Imhaus, Mario Hupfeld, Lars Fieseler   +4 more
doaj   +1 more source

F‐Type Pyocin Versus Phage λ Tail: Conserved Hub, Divergent Fibers

Advanced Science, EarlyView.
Near‐atomic cryo‐EM structures of a Gram‐negative F‐type pyocin reveal a conserved tail tip architecture shared with bacteriophage λ together with a previously unrecognized side‐fiber attachment mode. These findings provide new insight into tailocin assembly and host recognition and establish a structural framework for engineering precision ...
Zhiwei Gu, Yufan Xie, Lanxin Wang, Luyan Ma, Xiaofei Ge, Jiawei Wang   +5 more
wiley   +1 more source