European workshop on Phenotype MicroArrays
... University of Toronto, 200 College Street, Toronto, ON M5S 3E5, Canada. Experimental technologies such as Phenotype Micro-arrays have provided unprecedented physiological data under different growth environments and genetic backgrounds. Similar advances in computational modeling techniques have allo ...
... University of Toronto, 200 College Street, Toronto, ON M5S 3E5, Canada. Experimental technologies such as Phenotype Micro-arrays have provided unprecedented physiological data under different growth environments and genetic backgrounds. Similar advances in computational modeling techniques have allo ...
PDF Links - The Korean Journal of Parasitology
... In this study, we have identified and characterized an endosymbiotic bacterium of Acanthamoeba, which was isolated from a contact lens storage case. The endosymbiotic bacterium of Acanthamoeba KA/LC6 evidenced 98% 16s rRNA gene sequence similarity with that of Mycobacterium sp. This is the first gen ...
... In this study, we have identified and characterized an endosymbiotic bacterium of Acanthamoeba, which was isolated from a contact lens storage case. The endosymbiotic bacterium of Acanthamoeba KA/LC6 evidenced 98% 16s rRNA gene sequence similarity with that of Mycobacterium sp. This is the first gen ...
IOSR Journal of Dental and Medical Sciences (IOSR-JDMS)
... Gram negative bacteria make use of acyl-hormoserine lactones (AHL). 21, It is now believed that these signalling molecules play an important role in diseases caused by pathogenic bacteria in animals, plants and human.,23 Mechanism of antibacterial drugs resistance of biofilm. Microbial biofilms have ...
... Gram negative bacteria make use of acyl-hormoserine lactones (AHL). 21, It is now believed that these signalling molecules play an important role in diseases caused by pathogenic bacteria in animals, plants and human.,23 Mechanism of antibacterial drugs resistance of biofilm. Microbial biofilms have ...
IOSR Journal of Pharmacy and Biological Sciences (IOSR-JPBS) e-ISSN: 2278-3008, p-ISSN:2319-7676.
... autoclaved forceps and placed them in the incubator-shaker for 16 18 hours at 37 ºC (120 rmp). 2. Preparation of nutrient agar medium To make a nutrient agar medium 6.8 g of nutrient agar was added in the 250ml of distilled water. After 18 hours of incubation of test tubes, clear turbidity ensured t ...
... autoclaved forceps and placed them in the incubator-shaker for 16 18 hours at 37 ºC (120 rmp). 2. Preparation of nutrient agar medium To make a nutrient agar medium 6.8 g of nutrient agar was added in the 250ml of distilled water. After 18 hours of incubation of test tubes, clear turbidity ensured t ...
Shiga Toxin–Producing Escherichia coli from Beef Carcass
... ytic–uraemic syndrome (HUS) (1). Transmission of STEC can be foodborne, waterborne or from person to person (2). Escherichia coli form part of the bacterial population of the cattle's gastrointestinal tract. In beef carcass processing, E. coli is regarded as an indicator of fecal contamination. Leve ...
... ytic–uraemic syndrome (HUS) (1). Transmission of STEC can be foodborne, waterborne or from person to person (2). Escherichia coli form part of the bacterial population of the cattle's gastrointestinal tract. In beef carcass processing, E. coli is regarded as an indicator of fecal contamination. Leve ...
Applied and Environmental Microbiology
... gene, using genomic DNA extracted from coral mucus as the template. The forward primer was modified to incorporate a 40-bp GC clamp (underlined above) for resolution in a DGGE system (22, 55). These primers amplify a 491-bp section of the 16S rRNA gene of members of the domain Bacteria, including th ...
... gene, using genomic DNA extracted from coral mucus as the template. The forward primer was modified to incorporate a 40-bp GC clamp (underlined above) for resolution in a DGGE system (22, 55). These primers amplify a 491-bp section of the 16S rRNA gene of members of the domain Bacteria, including th ...
MICROBIOLOGY BIO 358 LABORATORY EXERCISES SPRING 2016
... minimal medium without glucose. Use this for your spectrophotometer blank because we are measing cell density, and glucose will not alter the absorbance at 600 nm.) For both the aerobic and anaerobic cultures, make sure that the bacteria are evenly distributed in the vessel. For the flasks you may ...
... minimal medium without glucose. Use this for your spectrophotometer blank because we are measing cell density, and glucose will not alter the absorbance at 600 nm.) For both the aerobic and anaerobic cultures, make sure that the bacteria are evenly distributed in the vessel. For the flasks you may ...
The roots of microbiology and the influence of Ferdinand Cohn on
... In addition to the mechanistic view of biological processes, the beginning of chemical analysis was important for the progress in biological research. Antoine Laurent Lavoisier (1743^1794) disproved the phlogiston theory of Georg Ernst Stahl (1660^1734) by determining the weights of products from ch ...
... In addition to the mechanistic view of biological processes, the beginning of chemical analysis was important for the progress in biological research. Antoine Laurent Lavoisier (1743^1794) disproved the phlogiston theory of Georg Ernst Stahl (1660^1734) by determining the weights of products from ch ...
An optional C-terminal domain is ancestral in α
... animal α-amylases is quite complex, because numerous independent gene duplications and sequence divergences occurred, so that a tree drawn from these sequences does not faithfully reflect animal phylogeny (for instance, nematode sequences are highly divergent, whereas these organisms should be clust ...
... animal α-amylases is quite complex, because numerous independent gene duplications and sequence divergences occurred, so that a tree drawn from these sequences does not faithfully reflect animal phylogeny (for instance, nematode sequences are highly divergent, whereas these organisms should be clust ...
Antimicrobial resistance: Mechanisms of action of antimicrobial agents
... antimicrobial drugs increases, so do the level and complexity of the resistance. Emergence of resistance to multiple antimicrobial agents in pathogens has become an emergency public health problem as there are fewer, or sometimes no, effective antimicrobial agents available for infections caused by ...
... antimicrobial drugs increases, so do the level and complexity of the resistance. Emergence of resistance to multiple antimicrobial agents in pathogens has become an emergency public health problem as there are fewer, or sometimes no, effective antimicrobial agents available for infections caused by ...
- ZORA - Universität Zürich
... data provide evidence for a significant shift in plaque ecology as a result of the therapeutic intervention. Conclusions: The data collected in this study show that the phyla-, class-, or family-specific probes are useful to analyze the composition of subgingival plaque associated with periodontitis ...
... data provide evidence for a significant shift in plaque ecology as a result of the therapeutic intervention. Conclusions: The data collected in this study show that the phyla-, class-, or family-specific probes are useful to analyze the composition of subgingival plaque associated with periodontitis ...
extremely thermophilic microorganisms and their polymer
... operational conditions. For instance, the proteolytic archaea Thermococcus litoralis and Thermococcus celer showed good growth on starch. Also species belonging to the Desulfurococcales (D. mucosus and D. mobilis) which were thought to use only peptides, were found to grow on starch (8). Moreover, s ...
... operational conditions. For instance, the proteolytic archaea Thermococcus litoralis and Thermococcus celer showed good growth on starch. Also species belonging to the Desulfurococcales (D. mucosus and D. mobilis) which were thought to use only peptides, were found to grow on starch (8). Moreover, s ...
5: Antibiotic Development
... care costs associated with it. If bacteria were passive when faced with antibacterials, the sulfonamides would have remained potent therapy. Bacteria are not passive. Through mutation and selection, they become resistant to antibiotics. This sets up the struggle between antibiotic developers and bac ...
... care costs associated with it. If bacteria were passive when faced with antibacterials, the sulfonamides would have remained potent therapy. Bacteria are not passive. Through mutation and selection, they become resistant to antibiotics. This sets up the struggle between antibiotic developers and bac ...
Antibiotic Resistance of Pathogens Causing Community-Acquired Pneumonia Charles Feldman and Ronald Anderson
... mechanism is thought to be due to alterations in the pencillin binding proteins (PBPs).47 These strains appear to be more common in Japan and France.47 Some strains have been found containing both these mechanisms of resistance (so-called BLPACR strains).47 It is rather worrying that in the PROTEKT ...
... mechanism is thought to be due to alterations in the pencillin binding proteins (PBPs).47 These strains appear to be more common in Japan and France.47 Some strains have been found containing both these mechanisms of resistance (so-called BLPACR strains).47 It is rather worrying that in the PROTEKT ...
Molecular mechanisms of bacterial resistance to antimicrobial agents
... Infectious diseases caused by bacterial pathogens represent a serious public health concern. Antimicrobial agents such as anti-bacterial drugs are often indicated for chemotherapy of bacterial infections in clinical medicine. Thus, it is important to study the biological mechanisms that confer bacte ...
... Infectious diseases caused by bacterial pathogens represent a serious public health concern. Antimicrobial agents such as anti-bacterial drugs are often indicated for chemotherapy of bacterial infections in clinical medicine. Thus, it is important to study the biological mechanisms that confer bacte ...
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... arsC gene present on chromosome as well as on plasmid and there is 95% sequence similarity. Microbes encounter metals and metalloids in the environment and it is therefore expected them to interact with metals (Ehrlich, 1997). The species K. pneumoniae is gramnegative, non-motile, rod-shaped bacteri ...
... arsC gene present on chromosome as well as on plasmid and there is 95% sequence similarity. Microbes encounter metals and metalloids in the environment and it is therefore expected them to interact with metals (Ehrlich, 1997). The species K. pneumoniae is gramnegative, non-motile, rod-shaped bacteri ...
Investigation of virulence factors of Enterococcus faecalis strains
... Virulence factors of microorganism mean any component that is required to cause damage or to intensify the host immune response [13]. More virulent strains may result from the acquisition of genes by genetic exchange, pathogenicity islands in several species encoding toxins, adhesion factors and oth ...
... Virulence factors of microorganism mean any component that is required to cause damage or to intensify the host immune response [13]. More virulent strains may result from the acquisition of genes by genetic exchange, pathogenicity islands in several species encoding toxins, adhesion factors and oth ...
Antimicrobial resistance mechanisms of Staphylococcus aureus
... always cause disease in humans), but an opportunistic pathogen, it has a diverse repertoire of possible infections. Normally, it is a transient colonizer of the skin and body entry portals (ears, eyes, nasal passages, etc.), and an estimated 20% of humans are carriers (asymptomatic permanent coloniz ...
... always cause disease in humans), but an opportunistic pathogen, it has a diverse repertoire of possible infections. Normally, it is a transient colonizer of the skin and body entry portals (ears, eyes, nasal passages, etc.), and an estimated 20% of humans are carriers (asymptomatic permanent coloniz ...
Bacteria and Archaea
... • Conjugation is the process where genetic material is transferred between bacterial cells Ò 遺傳物質在兩菌體間的交流 ...
... • Conjugation is the process where genetic material is transferred between bacterial cells Ò 遺傳物質在兩菌體間的交流 ...
Small RNA-mediated Regulation of Gene Expression in
... the expression of the outer membrane protein OmpF at the posttranscriptional level (7). 6S RNA was found already in 1967 (18) but its function remained elusive for many years. In 2001, the sRNA field expanded rapidly through genome-wide searches, resulting in the identification of many new sRNAs thr ...
... the expression of the outer membrane protein OmpF at the posttranscriptional level (7). 6S RNA was found already in 1967 (18) but its function remained elusive for many years. In 2001, the sRNA field expanded rapidly through genome-wide searches, resulting in the identification of many new sRNAs thr ...
Significance of biocide usage and antimicrobial resistance in
... When assessing the significance of antimicrobial resistance it is important to bear in mind that the term ‘resistance’ is a relative word. The microbicidal action of biocides (as opposed to antibiotics) results from their interaction with a number of distinct biochemical targets on or in the cell. S ...
... When assessing the significance of antimicrobial resistance it is important to bear in mind that the term ‘resistance’ is a relative word. The microbicidal action of biocides (as opposed to antibiotics) results from their interaction with a number of distinct biochemical targets on or in the cell. S ...
Prudent use of antimicrobials
... In practice it is often assumed that bactericidal antimicrobials are needed in acute infections or when the immune system is not functioning properly. However, in some situations bacteriostatic antimicrobials are preferred. Bactericidal antimicrobials could cause rapid death of the bacteria involved ...
... In practice it is often assumed that bactericidal antimicrobials are needed in acute infections or when the immune system is not functioning properly. However, in some situations bacteriostatic antimicrobials are preferred. Bactericidal antimicrobials could cause rapid death of the bacteria involved ...
biosynthesis of yersinia enterocolitica serotype o:3
... parts: lipid A, core and O-polysaccharide (OPS). OPS is the outermost and also the most diverse moiety. When OPS is composed of identical sugar residues it is called homopolymeric and when it is composed of repeating units of oligosaccharides it is called heteropolymeric. Bacteria synthesize LPS at ...
... parts: lipid A, core and O-polysaccharide (OPS). OPS is the outermost and also the most diverse moiety. When OPS is composed of identical sugar residues it is called homopolymeric and when it is composed of repeating units of oligosaccharides it is called heteropolymeric. Bacteria synthesize LPS at ...
Biofilms
... It's becoming increasingly clear that the communal life offers a microorganism considerable advantages. The physical proximity of other cells favors synergistic interactions, even between members of different species. These include the horizontal transfer of genetic material between microbes, the sh ...
... It's becoming increasingly clear that the communal life offers a microorganism considerable advantages. The physical proximity of other cells favors synergistic interactions, even between members of different species. These include the horizontal transfer of genetic material between microbes, the sh ...
Horizontal gene transfer
Horizontal gene transfer (HGT) refers to the transfer of genes between organisms in a manner other than traditional reproduction. Also termed lateral gene transfer (LGT), it contrasts with vertical transfer, the transmission of genes from the parental generation to offspring via sexual or asexual reproduction. HGT has been shown to be an important factor in the evolution of many organisms.Horizontal gene transfer is the primary reason for bacterial antibiotic resistance, and plays an important role in the evolution of bacteria that can degrade novel compounds such as human-created pesticides and in the evolution, maintenance, and transmission of virulence. This horizontal gene transfer often involves temperate bacteriophages and plasmids. Genes that are responsible for antibiotic resistance in one species of bacteria can be transferred to another species of bacteria through various mechanisms (e.g., via F-pilus), subsequently arming the antibiotic resistant genes' recipient against antibiotics, which is becoming a medical challenge to deal with.Most thinking in genetics has focused upon vertical transfer, but there is a growing awareness that horizontal gene transfer is a highly significant phenomenon and among single-celled organisms perhaps the dominant form of genetic transfer.Artificial horizontal gene transfer is a form of genetic engineering.