Multidrug-resistance efflux pumps
... to natural substances produced by the host, including bile, hormones and hostdefence molecules. In addition, some efflux pumps of the resistance nodulation division (RND) family have been shown to have a role in the colonization and the persistence of bacteria in the host. Here, I present the accumu ...
... to natural substances produced by the host, including bile, hormones and hostdefence molecules. In addition, some efflux pumps of the resistance nodulation division (RND) family have been shown to have a role in the colonization and the persistence of bacteria in the host. Here, I present the accumu ...
intestinal colonization, microbiota, and probiotics
... consequently, TLRs cannot distinguish between pathogens and commensals.21 Intracellular signalling pathways of TLRs result in production of proinflammatory cytokines through activation of the transcription nuclear factor B. These gut microbiota impact healthy immunophysiologic regulation, contribut ...
... consequently, TLRs cannot distinguish between pathogens and commensals.21 Intracellular signalling pathways of TLRs result in production of proinflammatory cytokines through activation of the transcription nuclear factor B. These gut microbiota impact healthy immunophysiologic regulation, contribut ...
PSEUDOMONAS AERUGINOSA CLINICAL AND ENVIRONMENTAL SAMPLES AGAINST ANTIBIOTICS Research Article
... antibiotics is possible by several mechanisms. The major mechanism of resistance to ß lactam antibiotics is beta-lactamase production, cell wall permeability and aminoglycoside-modifying emzymes8. More than 340 ß-lactamase enzymes have been detected to date. Although not completely understood, sever ...
... antibiotics is possible by several mechanisms. The major mechanism of resistance to ß lactam antibiotics is beta-lactamase production, cell wall permeability and aminoglycoside-modifying emzymes8. More than 340 ß-lactamase enzymes have been detected to date. Although not completely understood, sever ...
Microbiology Lab Manual Spring 2013
... associated with less serious human diseases whose potential for transmission is limited and a proven treatment for the disease exists. Many BSL-2 pathogens are opportunistic, meaning they don’t ordinarily cause disease in healthy human adults, but may cause disease in children and immunocompromised ...
... associated with less serious human diseases whose potential for transmission is limited and a proven treatment for the disease exists. Many BSL-2 pathogens are opportunistic, meaning they don’t ordinarily cause disease in healthy human adults, but may cause disease in children and immunocompromised ...
Synthesis of Copper Nanoparticles by Thermal Decomposition and
... flavus, A. niger, and C. albicans. The Cu NPs showed more inhibitory activity in bacteria than on funguses. The observed antimicrobial effect of Cu NPs is not merely due to their release of metal ions but can also be attributed to their morphology, mainly their small size and high surface area to vo ...
... flavus, A. niger, and C. albicans. The Cu NPs showed more inhibitory activity in bacteria than on funguses. The observed antimicrobial effect of Cu NPs is not merely due to their release of metal ions but can also be attributed to their morphology, mainly their small size and high surface area to vo ...
... artificial porous media, survive exposure to scCO2 and facilitate conversion of CO2 into longterm stable carbonate phases as well as increase solubility of CO2 in brines (Gerlach et al, 2010). Reactive transport models describing the influence of biological processes on CO2 storage security have bee ...
LAB MANUAL for BIOL 2420 - IWS2.collin.edu
... associated with less serious human diseases whose potential for transmission is limited and a proven treatment for the disease exists. Many BSL-2 pathogens are opportunistic, meaning they don’t ordinarily cause disease in healthy human adults, but may cause disease in children and immunocompromised ...
... associated with less serious human diseases whose potential for transmission is limited and a proven treatment for the disease exists. Many BSL-2 pathogens are opportunistic, meaning they don’t ordinarily cause disease in healthy human adults, but may cause disease in children and immunocompromised ...
BD™ CHROMagar™ Orientation Medium / Columbia CNA
... glucosides or both, whereas others produce none of these enzymes. As an example, E. coli produces enzymes of the lactose metabolism but is ß-glucosidase negative. Other members of the family Enterobacteriaceae are ß-glucosidase positive but do not contain enzymes necessary for lactose fermentation, ...
... glucosides or both, whereas others produce none of these enzymes. As an example, E. coli produces enzymes of the lactose metabolism but is ß-glucosidase negative. Other members of the family Enterobacteriaceae are ß-glucosidase positive but do not contain enzymes necessary for lactose fermentation, ...
View Full Text-PDF
... analyze the spectrum of the Salmonella enteric serovar Paratyphi A. This study examined isolation of Salmonella paratyphi A from a clinical sample of paratyphi A obtained from Yashoda hospital, Ghaziabad. This sample was characterized by biotyping as well as serotyping. The characterization of the b ...
... analyze the spectrum of the Salmonella enteric serovar Paratyphi A. This study examined isolation of Salmonella paratyphi A from a clinical sample of paratyphi A obtained from Yashoda hospital, Ghaziabad. This sample was characterized by biotyping as well as serotyping. The characterization of the b ...
TR-00-04 - Svensk Kärnbränslehantering AB
... viable cell activity will be impossible at full compaction, as spores are inactive. Although spores are generally very resistant to difficult environmental conditions, they do die off. All our experiments so far indicate a decrease in the number of viable spores at full compaction. A slow but signif ...
... viable cell activity will be impossible at full compaction, as spores are inactive. Although spores are generally very resistant to difficult environmental conditions, they do die off. All our experiments so far indicate a decrease in the number of viable spores at full compaction. A slow but signif ...
The Effect of Glyphosate on Potential Pathogens and Beneficial
... heat treated spores or vegetative cells were added to RCM medium at a final concentration of 104 cfu/ml. The inhibitory effect of glyphosate was determined using the following concentrations: 5, 2.40, 1.20, 0.60, 0.30, 0.15 and 0.075 mg/ml. The mixture was incubated anaerobically at 37 °C for 5 days ...
... heat treated spores or vegetative cells were added to RCM medium at a final concentration of 104 cfu/ml. The inhibitory effect of glyphosate was determined using the following concentrations: 5, 2.40, 1.20, 0.60, 0.30, 0.15 and 0.075 mg/ml. The mixture was incubated anaerobically at 37 °C for 5 days ...
IOSR Journal of Dental and Medical Sciences (IOSR-JDMS)
... bacteroides thetaiotaomicron symbiosis.Science;2003a.299:2074-2076 Xu.,Jian. And Gordon JI.Honor thy symbionts.PNAS:2003b;100(18);10452-10459 Gibson and Glenn R. Fibre and effects on probiotics (the prebiotic concept). Clinical Nutrition Supplements; 2004: 1 (2): 25–31 Ludwig W, Schleifer KH, Whitma ...
... bacteroides thetaiotaomicron symbiosis.Science;2003a.299:2074-2076 Xu.,Jian. And Gordon JI.Honor thy symbionts.PNAS:2003b;100(18);10452-10459 Gibson and Glenn R. Fibre and effects on probiotics (the prebiotic concept). Clinical Nutrition Supplements; 2004: 1 (2): 25–31 Ludwig W, Schleifer KH, Whitma ...
Antibiotic susceptibility of Lactobacillus rhamnosus strains
... part of the normal microflora of the gastrointestinal and female genital tract [6], and also as major components of microflora involved in food fermentation [38]. Probiotic products that contain lactobacilli have long histories of safe use [10]. Bacteriosis caused by lactobacilli is considered to be ...
... part of the normal microflora of the gastrointestinal and female genital tract [6], and also as major components of microflora involved in food fermentation [38]. Probiotic products that contain lactobacilli have long histories of safe use [10]. Bacteriosis caused by lactobacilli is considered to be ...
Chapter 11
... 11-1 Differentiate the alphaproteobacteria described in this chapter by drawing a dichotomous key. 11-2 Differentiate the betaproteobacteria described in this chapter by drawing a dichotomous key. 11-3 Differentiate the gammaproteobacteria described in this chapter by drawing a dichotomous key. 11-4 ...
... 11-1 Differentiate the alphaproteobacteria described in this chapter by drawing a dichotomous key. 11-2 Differentiate the betaproteobacteria described in this chapter by drawing a dichotomous key. 11-3 Differentiate the gammaproteobacteria described in this chapter by drawing a dichotomous key. 11-4 ...
Alkaline pH homeostasis in bacteria: New insights
... alkaliphily, in turn, strongly depend upon mechanisms for alkaline pH homeostasis, as shown in pH shift experiments and growth experiments in chemostats at different external pH values. Transcriptome and proteome analyses have recently complemented physiological and genetic studies, revealing numero ...
... alkaliphily, in turn, strongly depend upon mechanisms for alkaline pH homeostasis, as shown in pH shift experiments and growth experiments in chemostats at different external pH values. Transcriptome and proteome analyses have recently complemented physiological and genetic studies, revealing numero ...
full text
... careful analysis of clinical trials performed over the last two decades showed that there has been a gradual decrease in the efficacy of topical erythromycin, most likely related to the development of ...
... careful analysis of clinical trials performed over the last two decades showed that there has been a gradual decrease in the efficacy of topical erythromycin, most likely related to the development of ...
Alexander Fleming - Nobel Lecture
... later after the introduction of sulphonamide had completely changed the medical mind in regard to chemotherapy of bacterial infections, and after Dubos had shown that a powerful antibacterial agent, gramicidin, was produced by certain bacteria that my co-participators in this Nobel Award, Dr. Chain ...
... later after the introduction of sulphonamide had completely changed the medical mind in regard to chemotherapy of bacterial infections, and after Dubos had shown that a powerful antibacterial agent, gramicidin, was produced by certain bacteria that my co-participators in this Nobel Award, Dr. Chain ...
The Spaulding Classification, Disinfection
... The process of reduction of the number of viable microorganisms to a level previously specified Other terms may be used such as ‘sanitization’, ‘pasteurization’ and various levels of disinfection (high, intermediate and low) ...
... The process of reduction of the number of viable microorganisms to a level previously specified Other terms may be used such as ‘sanitization’, ‘pasteurization’ and various levels of disinfection (high, intermediate and low) ...
Molecules of Streptococcus gordonii that bind to
... the 45 kDa molecule. Thus, these molecules are antigenically related and may be breakdown products of a larger molecule of 170 kDa that also reacted with the antiserum. The 170 kDa molecule itself did not appear to bind to P.gingivalis. This may indicate that conformational changes, perhaps caused b ...
... the 45 kDa molecule. Thus, these molecules are antigenically related and may be breakdown products of a larger molecule of 170 kDa that also reacted with the antiserum. The 170 kDa molecule itself did not appear to bind to P.gingivalis. This may indicate that conformational changes, perhaps caused b ...
An improved Escherichia coli donor strain for diparental mating
... and a carbon source that cannot be utilized by E. coli, for example minimal medium with 0.3% citrate (Hoang et al., 1998). One drawback of a minimal medium might be slower growth of the recipient strains, and it is clearly not applicable for auxotrophic recipient strains. Another possibility is the ...
... and a carbon source that cannot be utilized by E. coli, for example minimal medium with 0.3% citrate (Hoang et al., 1998). One drawback of a minimal medium might be slower growth of the recipient strains, and it is clearly not applicable for auxotrophic recipient strains. Another possibility is the ...
Life at High Salt Concentrations
... The properties of hypersaline environments as habitats for halophilic and halotolerant prokaryotes are primarily defined according to the total salt concentration. However, also the ionic composition is a key factor determining the properties of the environment as a biotope. Brines that originated b ...
... The properties of hypersaline environments as habitats for halophilic and halotolerant prokaryotes are primarily defined according to the total salt concentration. However, also the ionic composition is a key factor determining the properties of the environment as a biotope. Brines that originated b ...
Fructose Mediated Catabolite Repression in Sinorhizobium meliloti
... ranging from nitrogen metabolism to usage of various carbon sources by S. meliloti. Carbon sources available to the rhizobium include glucose, succinate, fructose, mannose, gluconate, galactose and others (Geddes & Oresnik 2014). Rhizobia encounter several different environments on their way to beco ...
... ranging from nitrogen metabolism to usage of various carbon sources by S. meliloti. Carbon sources available to the rhizobium include glucose, succinate, fructose, mannose, gluconate, galactose and others (Geddes & Oresnik 2014). Rhizobia encounter several different environments on their way to beco ...
Biotechnology Timeline - North Carolina Association for
... Georges Kohler and Cesar Milstein develop the technology to produce monoclonal antibodies — highly specific, purified antibodies derived from only one clone of cells that recognize only one antigen. They shared the 1984 Nobel Prize in Physiology or Medicine with Neils Jerne. ...
... Georges Kohler and Cesar Milstein develop the technology to produce monoclonal antibodies — highly specific, purified antibodies derived from only one clone of cells that recognize only one antigen. They shared the 1984 Nobel Prize in Physiology or Medicine with Neils Jerne. ...
Biotechnology Timeline
... Georges Kohler and Cesar Milstein develop the technology to produce monoclonal antibodies — highly specific, purified antibodies derived from only one clone of cells that recognize only one antigen. They shared the 1984 Nobel Prize in Physiology or Medicine with Neils Jerne. ...
... Georges Kohler and Cesar Milstein develop the technology to produce monoclonal antibodies — highly specific, purified antibodies derived from only one clone of cells that recognize only one antigen. They shared the 1984 Nobel Prize in Physiology or Medicine with Neils Jerne. ...
Development of Fungal Bioreactors for Water Related Treatment
... Wastewater, recycled irrigation water, and agricultural runoff can contain high levels of pathogenic bacteria, which pose a threat to human and ecosystem health. The use of a bioreactor containing mycelial mats of filamentous fungi is a novel treatment technology that incorporates physical, biologic ...
... Wastewater, recycled irrigation water, and agricultural runoff can contain high levels of pathogenic bacteria, which pose a threat to human and ecosystem health. The use of a bioreactor containing mycelial mats of filamentous fungi is a novel treatment technology that incorporates physical, biologic ...