نتایج جستجو برای: microorganism colonization

تعداد نتایج: 62111  

Journal: :iranian journal of veterinary research 2008
j. khoshnegah sh. jamshidi m. mohammadi a. shojaee tabrizi n. mohajerani

to improve our understanding of helicobacter  infection in cats and to determine whether they are reservoirs for h. pylori  and sources of zoonotic transmission to humans, we selected cats as an experimental animal model for gastric colonization by h. pylori. sixteen stray cats underwent helicobacter  eradication treatment followed by three consecutive oral inoculations of a cocktail of human h...

2010
Lucy Seldin Fabio Fernando de Araujo Rosa de Lima Ramos Mariano

Plant growth promoting rhizobacteria (PGPR) have gained worldwide importance and acceptance for agricultural benefits. This is due to the emerging demand for dependence diminishing of synthetic chemical products, to the growing M. do Vale Barreto Figueiredo (*) National Research and Technological Development, Brazil Agronomical Institute of Pernambuco, IPA/CARHP, 1371, Gen. San Martin Avenue, R...

2016
Senthil Kumar Velusamy Vandana Sampathkumar Dipti Godboley Daniel H. Fine

Leukotoxin (Ltx) is a prominent virulence factor produced by Aggregatibacter actinomycetemcomitans, an oral microorganism highly associated with aggressive periodontitis. Ltx compromises host responsiveness by altering the viability of neutrophils, lymphocytes, and macrophages. Previously, we developed a Rhesus (Rh) monkey colonization model designed to determine the effect of virulence gene mu...

2013
Mariette Barbier Joshua P. Owings Inmaculada Martínez-Ramos F. Heath Damron Rosa Gomila Jesús Blázquez Joanna B. Goldberg Sebastián Albertí

UNLABELLED Pseudomonas aeruginosa is a ubiquitous microorganism and the most common Gram-negative bacterium associated with nosocomial pneumonia, which is a leading cause of mortality among critically ill patients. Although many virulence factors have been identified in this pathogen, little is known about the bacterial components required to initiate infection in the host. Here, we identified ...

2017
Chantana Ungchusak

but also their quality of life and their families. This paper reviewed the effectiveness of various preventive measures, categorized as primary, secondary and tertiary prevention. Primary prevention includes oral health education, tooth-brushing with fluoridated toothpaste, water fluoridation, fluoridated milk, and dietary control. Systematic reviews showed that effectiveness of simple health e...

2012
Léia Cecilia de Lima Fávaro Fernanda Luiza de Souza Sebastianes Welington Luiz Araújo

BACKGROUND Sugarcane is one of the most important crops in Brazil, mainly because of its use in biofuel production. Recent studies have sought to determine the role of sugarcane endophytic microbial diversity in microorganism-plant interactions, and their biotechnological potential. Epicoccum nigrum is an important sugarcane endophytic fungus that has been associated with the biological control...

Background and Aims: Nasal Colonization with Methicillin Resistant Staphylococcus aureus (MRSA) is known as an important risk factor in the development of dangerous infections. Materials and Methods: The present study seeks to investigate the prevalence of MRSA nasal colonization among the preschool and school children under 14 in Urmia. To do so, specimens for culture were obtained fro...

Journal: :Microbiological Research 2021

• Seed-borne bacteria is an essential source of the plant microbiome. Maize seed germination modulates ecological succession for seed-borne microbiota. Seed-bacteriome abundance taxa in germinated maize seeds. influence and growth maize. Seed microbiome acts as a “bacterial barrier” against phytopathogens. seed-bacteria community var DKB177 protect Penicillium sp. fungus. Seeds are reservoirs b...

Journal: :Problemy osobo opasnyh infekcij 2023

The aim of the work was to study specific systemic effect sulfate-reducing bacteria genus Desulfovibrio on organism systems through creating an experimental model intragastric bacterial invasion against background dysbiotic conditions rodent gastrointestinal tract. Materials and methods . conducted Wistar rats. Intestinal dysbiosis modeled with help antibiotics, amoxicillin metronidazole. Typic...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2009
Ankush Sengupta Sven van Teeffelen Hartmut Löwen

The Brownian dynamics of a single microorganism coupled by chemotaxis to a diffusing concentration field that is secreted by the microorganism itself is studied by computer simulations in spatial dimensions d=1,2,3 . Both cases of a chemoattractant and a chemorepellent are discussed. For a chemoattractant, we find a transient dynamical arrest until the microorganism diffuses for long times. For...

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