نتایج جستجو برای: bacteria and pathogens
تعداد نتایج: 16857877 فیلتر نتایج به سال:
Practically and ethically attractive as model systems, invertebrate organisms are increasingly recognized as relevant for the study of bacterial pathogenesis. We show here that the nematode Caenorhabditis elegans is susceptible to a surprisingly broad range of bacteria and may constitute a useful model for the study of both pathogens and symbionts.
Background and Objective: Food-borne diseases are among the most important public health problems. Among them, Salmonella is one of the most important food pathogens. Different Salmonella serotypes enter body through food and causes food infections in consumers. One of the most important evaluation criteria for health is to determine the microbial load of food. Materials and Methods: In this s...
Mushroom-forming fungi establish mutual beneficial interactions with plants and degrade organic waste. These also play an important role in human societies to produce mycelium materials, as a source of medicinal compounds, food. Bacteria interact mushroom-forming not only competitors for nutrients pathogens but interactions. This review discusses the positive bacteria during different stages li...
background: neonatal septicemia is an important cause of morbidity and mortality. the most common pathogens of bacterial sepsis and antibiotic sensitivity patterns may vary in different areas of the world. understanding the etiology of bacteriological profiles is very important and helps to reduce the associated mortality. the aim of this study was to assess prevalence of bacterial and antibiot...
Objectives Periodontal diseases are one of the common oral diseases and microbial oral flora is one major factor responsible for it. Elimination of periodontal pathogens is particularly important in managing the periodontal state. This study aimed to assess the antibacterial effects of Nanosil, chlorhexidine (CHX) and probiotic mouthwashes on periodontal pathogens. Methods In this in-vitro stu...
regarding increasing rate of drug resistance among microbial pathogens, a global search to find new antimicrobial agents from natural compounds with fewer side effects has been considered by many researchers worldwide. bioactive compounds with good antimicrobial activity have been isolated from different algae and cyanobacteria. the current study was performed to determine antimicrobial potenti...
Fish parasites act as a vector of other pathogenic diseases such bacteria and virus in fish. Although it has been long known that fish can for bacterial pathogens, their role the transmission specific pathogens via particular off-host stage neglected. The aim present study was to disclose if copepod parasite, Lernanthropus kroyeri stage, store up aquatic pathogens: Aeromonas hydrophila, Photoba...
Introduction: Presently, bacteremia is the principal cause of morbidity in patients undergoing hemodialysis. Gram-negative bacteria account for approximately 50 percent of documented infections. Endotoxins released during lysis of gram negative bacteremia result in inflammatory and defense response by the body and if not treated promptly result in septic shock and ultimately death of the patie...
Lactobacilli commonly used as a probiotic and they can be isolated from various sources such as fermented foods and gastrointestinal tracts of humans and animals. The aims of this study were isolation and identification of lactobacilli from honey and investigation of some probiotic properties and antimicrobial effects against foodborne bacterial pathogens. A total of 88 honey samples were colle...
biofilm formation in bacteria is an important survival strategy. biofilm of probiotic bacillus subtilis consist of long chains of cells that are covered by a polymeric matrix of exopolysaccharides. this bacterium is known as one of the most effective biocontrol agents against plant pathogens and has a high ability in biofilm formation. this study was aimed to investigate the effect of some envi...
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