نتایج جستجو برای: listeria

تعداد نتایج: 11406  

2015

Despite the world-wide reports of outbreaks of food-borne listeriosis, the occurrence of Listeria is still not widely reported in Nigeria. This is possibly due to lack of a large cold storage food chain and the absence of a comprehensive surveillance system for food-borne pathogens. Searches carried out on major databases revealed that Listeria has been reported in humans, animals, environment ...

Journal: :The Journal of infectious diseases 2015
Makoto Kanoh Saho Maruyama Hua Shen Akira Matsumoto Hiroto Shinomiya Karin Przybilla Edith Gouin Pascale Cossart Werner Goebel Yoshihiro Asano

BACKGROUND Although the T-cell subset differentiation pathway has been characterized extensively from the view of host gene regulation, the effects of genes of the pathogen on T-cell subset differentiation during infection have yet to be elucidated. Especially, the bacterial genes that are responsible for this shift have not yet been determined. METHODS Utilizing a single-gene-mutation Lister...

2010
Emmanuel E.O. Odjadjare Larry C. Obi Anthony I. Okoh

We evaluated the effluent quality of an urban wastewater treatment facility in South Africa and its impact on the receiving watershed for a period of 12 months. The prevalence and antimicrobial susceptibility of potential Listeria pathogens (L. ivanovii and L. innocua) and the physicochemical quality of the treated wastewater effluent was assessed, with a view to ascertain the potential health ...

Journal: :Applied and environmental microbiology 2007
Min Cao Alan Pavinski Bitar Hélène Marquis

In this study, we developed a new mariner-based transposition system for Listeria monocytogenes. The mariner-based system has a high rate of transposition and a low rate of plasmid retention, and transposition is very random, making it an ideal tool for high-throughput transposon mutagenesis in L. monocytogenes.

2013
Thomas Weinmaier Martin Riesing Thomas Rattei Jacques Bille Carolina Arguedas-Villa Roger Stephan Taurai Tasara

The complete genome sequence of Listeria monocytogenes LL195, a serotype 4b clinical strain isolated during the 1983-1987 listeriosis epidemic in Switzerland, is presented.

2014
K W Davenport H E Daligault T D Minogue K A Bishop-Lilly D C Bruce P S Chain S R Coyne K G Frey J Jaissle G I Koroleva J T Ladner P-E Li G F Palacios C L Redden M B Scholz H Teshima S L Johnson

Listeria monocytogenes causes the food-borne illness listeriosis that primarily infects "vulnerable" groups (e.g., elderly adults, pregnant women, very young children, and the immunocompromised). We sequenced the genome of L. monocytogenes XXIII (ATCC 15313) and assembled it into a single scaffold (three contigs) and deposited the annotated assembly into GenBank as accession no. JOOX00000000.

Journal: :Journal of immunology 2002
Lai-Yu Kwok Hrvoje Miletic Sonja Lütjen Sabine Soltek Martina Deckert Dirk Schlüter

The invasion of the CNS by pathogens poses a major risk for damage of the highly vulnerable brain. The aim of the present study was to analyze immunological mechanisms that may prevent spread of infections to the CNS. Intraperitoneal application of Listeria monocytogenes to mice induced infection of the spleen, whereas pathogens remained absent from the brain. Interestingly, Listeria-specific C...

Journal: :Revista Argentina de microbiologia 2006
A Laciar L Vaca R Lopresti A Vega C Mattana O N P de Centorbi

In this study, a total of 24 Listeria spp. strains were analyzed. Twenty-two isolates were obtained in San Luis (Argentina) from human, animal, and food samples. Two types of strains, Listeria monocytogenes CLIP 22762 and Listeria innocua CLIP 74915, were included as reference strains. All isolates were biochemically identified and characterized by serotyping, phage typing, and amplification of...

Journal: :Journal of bacteriology 2006
Torsten Hain Christiane Steinweg Carsten Tobias Kuenne André Billion Rohit Ghai Som Subhra Chatterjee Eugen Domann Uwe Kärst Alexander Goesmann Thomas Bekel Daniela Bartels Olaf Kaiser Folker Meyer Alfred Pühler Bernd Weisshaar Jürgen Wehland Chunguang Liang Thomas Dandekar Robert Lampidis Jürgen Kreft Werner Goebel Trinad Chakraborty

We present the complete genome sequence of Listeria welshimeri, a nonpathogenic member of the genus Listeria. Listeria welshimeri harbors a circular chromosome of 2,814,130 bp with 2,780 open reading frames. Comparative genomic analysis of chromosomal regions between L. welshimeri, Listeria innocua, and Listeria monocytogenes shows strong overall conservation of synteny, with the exception of t...

Journal: :Journal of immunology 2012
Chen-Cheng Lee John T Kung

Rag-1-knockout (KO) mice are highly resistant to Listeria monocytogenes infection. The role played by the many Rag-1-dependent lymphocyte lineages was studied using a genetic approach in which each Rag-1-dependent lymphocyte lineage was eliminated one at a time. Only B cell-deficient Igh-KO mice displayed reduced bacterial load and improved survival upon Listeria infection. Listeria infection o...

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