Faculty Opinions recommendation of Infection with the intracellular bacterium, Listeria monocytogenes, overrides established tolerance in a mouse cardiac allograft model.

2011 ◽  
Author(s):  
Mohamed Sayegh ◽  
Jessamyn Bagley
Keyword(s):  
Listeria Monocytogenes ◽  
Cardiac Allograft ◽  
Intracellular Bacterium

Structure and function of the important internalins of Listeria monocytogenes

2021 ◽  
Vol 22 ◽  
Author(s):  
Shabir Ahmad Mir
Keyword(s):  
Listeria Monocytogenes ◽  
Virulence Factors ◽  
Causative Agent ◽  
Structure And Function ◽  
Intracellular Bacterium ◽  
Infection Cycle ◽  
Current Review ◽  
Functional Aspects ◽  
Structural Details ◽  
And Function

: Listeria monocytogenes, a facultative intracellular gram-positive pathogen, is the causative agent of the disease listeriosis. The virulence of this intracellular bacterium is dependent on the coordinated activity of various bacterial factors, which are in turn tightly controlled by a specific set of regulators. The arsenal of virulence factors employed by L. monocytogenes for its infection cycle is available in the literature. Although the internalins of L. monocytogenes have been studied in detail their structural details are currently scattered and fragmented. Therefore, in the current review, we provide a brief account of the existing knowledge on structural details of the key internalins of L. monocytogenes and also highlight the recent advances in their functional aspects.

scholarly journals A gene encoding a Superoxide dismutase of the facultative intracellular bacterium Listeria monocytogenes

Gene ◽  
1992 ◽  
Vol 118 (1) ◽  
pp. 121-125 ◽  
Author(s):  
Klaus Brehm ◽  
Albert Haas ◽  
Werner Goebel ◽  
Jürgen Kreft
Keyword(s):  
Superoxide Dismutase ◽  
Listeria Monocytogenes ◽  
Intracellular Bacterium ◽  
Gene Encoding

scholarly journals Neutrophil-mediated dissolution of infected host cells as a defense strategy against a facultative intracellular bacterium.

1991 ◽  
Vol 174 (3) ◽  
pp. 741-744 ◽  
Author(s):  
J W Conlan ◽  
R J North
Keyword(s):  
Monoclonal Antibody ◽  
Listeria Monocytogenes ◽  
Histological Examination ◽  
Intracellular Bacterium ◽  
Host Cells ◽  
Complement Receptor ◽  
Myelomonocytic Cells ◽  
Spread Of Infection ◽  
Type 3 ◽  
Cell Spread

The rate of growth of Listeria monocytogenes in the livers of mice infected intravenously with a lethal or sublethal inoculum of this facultative intracellular bacterium is greatly increased if neutrophils and other host cells are prevented from accumulating at foci of infection during the first 24 h by treatment with a monoclonal antibody (5C6) specific for the type 3 complement receptor of myelomonocytic cells. A histological examination of the livers of control mice showed that the accumulation of neutrophils at infectious foci resulted in the focal destruction of infected hepatocytes. In contrast, failure of neutrophils to accumulate at these sites in 5C6-treated mice allowed Listeria to multiply extensively in hepatocytes without destroying them. The results indicate that neutrophils play an important role in early defense against listeriosis in the liver by destroying infected hepatocytes, thereby reducing the opportunity for Listeria to multiply in permissive cells. In this way, neutrophils serve to break the chain of cell-to-cell spread of infection.

scholarly journals Lymphatic drainage of Listeria inonocytogenes and Indian ink inoculated in the peritoneal cavity of the mouse

1992 ◽  
Vol 26 (3) ◽  
pp. 200-205 ◽  
Author(s):  
A. J. Marco ◽  
M. Domingo ◽  
J. Ruberte ◽  
A. Carretero ◽  
V. Briones ◽  
...  
Keyword(s):  
Listeria Monocytogenes ◽  
Lymph Nodes ◽  
Peritoneal Cavity ◽  
Experimental Studies ◽  
Lymphatic Drainage ◽  
Intracellular Bacterium ◽  
Lymph Drainage ◽  
Systemic Dissemination ◽  
Intraperitoneal Inoculation

The lymphatic drainage of the peritoneal cavity has been investigated by intraperitoneal inoculation of an intracellular bacterium ( Listeria monocytogenes) and an inert marker (Indian ink). The results reveal that both agents are transported, either after phagocytosis by intraperitoneal macro phages or in suspension in the lymph, towards the cranial sternal lymph nodes ( Lymphonodi sternales craniales) of the ventral thoracic Iymphocentrum ( Lymphocentrum thoracicum ventrale) and to the lymph nodes of the mediastinal lymphocentrum ( Lymphocentrum mediastinale), prior to systemic dissemination. This mechanism of peritoneal lymph drainage has relevance on experimental studies involving the inoculation of pathogens, and on the investigation of metastatic diffusion of neoplasms from the peritoneum.

scholarly journals PREVALENCE AND BIOFILM FORMING ABILITY OF LISTERIA MONOCYTOGENES ISOLATED FROM MEAT

2017 ◽  
Vol 5 ◽  
pp. 1104-1107
Author(s):  
Anna Zadernowska ◽  
Wioleta ChajÄ™cka-Wierzchowska ◽  
Arkadiusz Zakrzewski
Keyword(s):  
Listeria Monocytogenes ◽  
Food Processing ◽  
Culture Method ◽  
Intracellular Bacterium ◽  
Gram Positive ◽  
Processing Equipment ◽  
Pcr Method ◽  
Mp Method ◽  
Meat Samples

Listeria monocytogenes is a Gram-positive intracellular bacterium, which causes foodborne listeriosis. This organism can be introduced through many routes to food-processing environments and may become established on food-processing equipment. Examination of 130 meat samples was conducted and the Listeria monocytogenes prevalence was determined by using an ISO culture method and PCR method. The isolated strains’ ability to form a biofilm was determined with the microplate (MP) method. Out of 130 meat samples examined, 22 (17%) contained L. monocytogenes. The majority (n=13; 59%) of the strains were characterized by a no biofilm producer. Four of the of Listeria monocytogenes strains (18,2%) showed strong and five of them (22,7%) moderate ability to form biofilm

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