نتایج جستجو برای: bacterial colonization
تعداد نتایج: 228266 فیلتر نتایج به سال:
Elliott, Susan N., J. L. Wallace, W. McKnight, D. G. Gall, J. A. Hardin, M. Olson, and A. Buret. Bacterial colonization and healing of gastric ulcers: the effects of epidermal growth factor. Am. J. Physiol. Gastrointest. Liver Physiol. 278: G105–G112, 2000.—Experimental gastric ulcers are rapidly colonized by various bacteria, resulting in significantly impaired healing. Epidermal growth factor...
Background and Objectives: Nosocomial infections are one of the most important worldwide health and increased patients hospital stay, therapeutic problem and mortality rate. This study was designed to determine the frequency of microorganisms isolated from tracheal tube in patients admitted to ICU Shaheed Mostafa Khomeini Hospital Tehran, Iran, from 2001-2005. Patients and Methods: In this ...
Marine particles in the ocean are exposed to diverse bacterial communities, and colonization and growth of attached bacteria are important processes in the degradation and transformation of the particles. In an earlier study, we showed that the initial colonization of model particles by individual bacterial strains isolated from marine aggregates was a function of attachment and detachment. In ...
Abstract Background and Objective: Bacterial colonization in upper respiratory airways is one of the major risk factors for the development of the ventilator–associated pneumonia (VAP), which is the most common and serious hospital-acquired infection in intensive care unit (ICU). The aim of this study was to determine the frequency of oropharyngeal microorganisms of patients with tracheal t...
Stochastic bottlenecks during bacterial colonization of animal hosts lead to reduced genetic diversity in the resulting microbiota and, at low-inoculation doses, can result in hosts that remain uncolonized. Bacterial strains vary in their colonization efficiency and resistance to displacement.
BACKGROUND Polyvalent bacterial lysate (PBL) is an oral immunostimulating vaccine consisting of bacterial standardized lysates obtained by lysis of different strains of bacteria. Autovaccines are individually prepared based on the results of smears obtained from the patient. Both types of vaccine can be used to treat an ongoing chronic infection. This study sought to determine which method is m...
UNLABELLED The zebrafish, Danio rerio, is a powerful model for studying bacterial colonization of the vertebrate intestine, but the genes required by commensal bacteria to colonize the zebrafish gut have not yet been interrogated on a genome-wide level. Here we apply a high-throughput transposon mutagenesis screen to Aeromonas veronii Hm21 and Vibrio sp. strain ZWU0020 during their colonization...
Innate immune responses function as a first line of host defense against the development of bacterial infection, and in some cases to preserve the sterility of privileged sites in the human host. Bacteria that enter these sites must counter host responses for colonization. From the host's perspective, the innate immune system works expeditiously to minimize the bacterial threat before colonizat...
NEC (Necrotizing Enterocolitis) is an increasing clinical burden to patients, families, and the neonatology health care team. Although the diagnosis is straightforward, the morbidity and mortality associated with the disease are not improving. Risk factors of prematurity, formula feeding, intestinal ischemia/hypoxia, and bacterial colonization accentuate the imbalance toward mucosal stress wi...
Characterization of materials developed for medical usage frequently includes studies in which the materials are inoculated with bacteria in order to assess bacterial colonization and biofilm formation. Observed differences in bacterial growth are typically considered to be due to the material or the incubation conditions. To our knowledge, the method used to prepare the materials has generally...
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