A Brief Journey to the Microbial World
... The light microscope uses visible light to illuminate cell structures. Several types of light microscopes are used in microbiology: bright-field, phase-contrast, differential interference contrast, dark-field, and fluorescence. With the bright-field microscope, specimens are visualized because of the sl ...
... The light microscope uses visible light to illuminate cell structures. Several types of light microscopes are used in microbiology: bright-field, phase-contrast, differential interference contrast, dark-field, and fluorescence. With the bright-field microscope, specimens are visualized because of the sl ...
Archaeal and bacterial hyperthermophiles
... pairs of sequences within a family, these data are not even sufficient for a cluster analysis, but the authors have drawn conclusions about the histories of genes (phylogenetic analyses). For statements about the histories of these genes, it would be more appropriate to use explicit phylogenetic ana ...
... pairs of sequences within a family, these data are not even sufficient for a cluster analysis, but the authors have drawn conclusions about the histories of genes (phylogenetic analyses). For statements about the histories of these genes, it would be more appropriate to use explicit phylogenetic ana ...
Antimicrobial Effects of Olive Oil
... • The null hypothesis was accepted for the 0.1% concentration of E. coli. Null accepted for all Staph concentrations. Null hypothesis was rejected for the concentrations of 1% and 10% of E. coli. • The results and the statistical analyses indicate that 1% and 10% olive oil concentrations significant ...
... • The null hypothesis was accepted for the 0.1% concentration of E. coli. Null accepted for all Staph concentrations. Null hypothesis was rejected for the concentrations of 1% and 10% of E. coli. • The results and the statistical analyses indicate that 1% and 10% olive oil concentrations significant ...
Exam for 5MO019: Gene regulation and expression technology
... regulatory protein bound upstream. What are they? Give a short explanation of how these solutions allow the RNA polymerase to interact with a regulatory protein bound at a distance from the RNA polymerase binding site. Intrinsic DNA bends (caused by polyA or polyT tracts) are found in the sequence g ...
... regulatory protein bound upstream. What are they? Give a short explanation of how these solutions allow the RNA polymerase to interact with a regulatory protein bound at a distance from the RNA polymerase binding site. Intrinsic DNA bends (caused by polyA or polyT tracts) are found in the sequence g ...
Lab Genetic Transformation
... Transform E.coli cells with plasmid The plasmid has ampicillin resistant gene. Green fluorescent protein gene Natural source of this gene jelly fish Aequorea victoria • Gene is attached to the promoter of the gene that codes for enzyme for arabinose (carbohydrate) fermentation. ...
... Transform E.coli cells with plasmid The plasmid has ampicillin resistant gene. Green fluorescent protein gene Natural source of this gene jelly fish Aequorea victoria • Gene is attached to the promoter of the gene that codes for enzyme for arabinose (carbohydrate) fermentation. ...
Some effects of Fluoride on the IgA Protease of the Oral Bacterium
... important bacteria of the tooth surface environment. The 1gA protease activity of this organism is believed to reduce susceptibility to the host mucosal defence mechanisms and may also benefit other bacteria colonising the same local microenvironment. This could include some of the non-IgA protease ...
... important bacteria of the tooth surface environment. The 1gA protease activity of this organism is believed to reduce susceptibility to the host mucosal defence mechanisms and may also benefit other bacteria colonising the same local microenvironment. This could include some of the non-IgA protease ...
2c Types of Stains
... toothpick. Place the toothpick with bacteria directly into a dime-sized circle on the center of the slide. When the slide is completely air dried (if wet, the water will spatter, spreading bacteria), heat fix the slide by passing it through a flame three times. The purpose of heat fixing is to make ...
... toothpick. Place the toothpick with bacteria directly into a dime-sized circle on the center of the slide. When the slide is completely air dried (if wet, the water will spatter, spreading bacteria), heat fix the slide by passing it through a flame three times. The purpose of heat fixing is to make ...
QUORUM SENSING: Cell-to-Cell Communication in Bacteria
... its quorum-sensing cascade outcompetes the other group. Consistent with this idea, purified AIP II attenuates virulence of a Group I S. aureus in a mouse infection model (Mayville et al. 1999). Thus, in S. aureus, quorum sensing allows dissemination of closely related progeny while inhibiting the spr ...
... its quorum-sensing cascade outcompetes the other group. Consistent with this idea, purified AIP II attenuates virulence of a Group I S. aureus in a mouse infection model (Mayville et al. 1999). Thus, in S. aureus, quorum sensing allows dissemination of closely related progeny while inhibiting the spr ...
The rumen bacteria
... 2. Loosely associated with feed particles 3. Firmly adhered to feed particles 4. Associated with rumen epithelium 5. Attached to surface of protozoa and fungi ...
... 2. Loosely associated with feed particles 3. Firmly adhered to feed particles 4. Associated with rumen epithelium 5. Attached to surface of protozoa and fungi ...
Cornea pathology A lecture covering a range of corneal
... G- bacilli- Moraxella, Acinebacter, E-coli, K pneumoniae, proteus, psuedomanas G+ filamentous bacteria ...
... G- bacilli- Moraxella, Acinebacter, E-coli, K pneumoniae, proteus, psuedomanas G+ filamentous bacteria ...
Antimicrobial Treatments for Silicones Medical Silicone Conference
... – Staphylococcus epidermidis ...
... – Staphylococcus epidermidis ...
Slide 1
... Non-self replicating Made up of mostly proteins and DNA Bacterial specific Able to infect most group of bacteria Isolated from soil, water, sewage and most bacterial living zones Number of progenies in a cell: 50-200 Inject their genome into host cell • Lytic cycle (virulent) • Lysogenic cycle (temp ...
... Non-self replicating Made up of mostly proteins and DNA Bacterial specific Able to infect most group of bacteria Isolated from soil, water, sewage and most bacterial living zones Number of progenies in a cell: 50-200 Inject their genome into host cell • Lytic cycle (virulent) • Lysogenic cycle (temp ...
Coupling spatial segregation with synthetic circuits to control
... bacteria, the population dynamics can be captured by an ordinary differential equation model. With appropriate parameters, the system can have three steady states (Fig 1C). The leftmost one is a trivial steady state, which corresponds to population extinction. The second (N = NCT) is unstable. The r ...
... bacteria, the population dynamics can be captured by an ordinary differential equation model. With appropriate parameters, the system can have three steady states (Fig 1C). The leftmost one is a trivial steady state, which corresponds to population extinction. The second (N = NCT) is unstable. The r ...
Bacteroides and Clostridium
... Enterotoxin: a heat-labile protein produced by some strains of C. perfringens type A. When >108 cells in contaminated meat are ingested and sporulate in the small intestine, enterotoxin is formed. It disrupts ion transport in the enterocytes, and induces antibodies (non-protective) in adults. Sympto ...
... Enterotoxin: a heat-labile protein produced by some strains of C. perfringens type A. When >108 cells in contaminated meat are ingested and sporulate in the small intestine, enterotoxin is formed. It disrupts ion transport in the enterocytes, and induces antibodies (non-protective) in adults. Sympto ...
Raising Awareness for Prudent Use of Antibiotics in Animals
... promotion of growth.1 They are routinely placed in livestock feed and water to increase feed efficiency and prevent diseases that may otherwise result from the unsanitary and crowded conditions in which animals are raised. The administration of antibiotics in low doses over long periods of time is o ...
... promotion of growth.1 They are routinely placed in livestock feed and water to increase feed efficiency and prevent diseases that may otherwise result from the unsanitary and crowded conditions in which animals are raised. The administration of antibiotics in low doses over long periods of time is o ...
Chapter 27: The Diversification of Life
... particularly notorious because of their toxicity to humans. It is not unusual for the sediments where these types of compounds accumulate to become anoxic—meaning that they lack oxygen. To understand why this is so, recall from Chapter 9 that many organisms use oxygen as an electron acceptor in cell ...
... particularly notorious because of their toxicity to humans. It is not unusual for the sediments where these types of compounds accumulate to become anoxic—meaning that they lack oxygen. To understand why this is so, recall from Chapter 9 that many organisms use oxygen as an electron acceptor in cell ...
Plague – The Black Death Plague is a bacterial infection found
... Yersinia pestis is extraordinarily virulent, even when compared with closely related bacteria. This is because it's a mutant variety, handicapped both by not being able to survive outside the animals it infects and by an inability to penetrate and hide in its host's body cells. To compensate, Y. pes ...
... Yersinia pestis is extraordinarily virulent, even when compared with closely related bacteria. This is because it's a mutant variety, handicapped both by not being able to survive outside the animals it infects and by an inability to penetrate and hide in its host's body cells. To compensate, Y. pes ...
BIOLOGY Paper & Solution CBSE-XII-2014 EXAMINATION CAREER POINT
... Presence of anther and stigma placed at different position so autogamy can not occur OR Angiosperm anther is known as dithecous because each anther has two anther lobe Structure of microsporangium: In a transverse section, a typical microsporangium appears near circular in outline. It is generally s ...
... Presence of anther and stigma placed at different position so autogamy can not occur OR Angiosperm anther is known as dithecous because each anther has two anther lobe Structure of microsporangium: In a transverse section, a typical microsporangium appears near circular in outline. It is generally s ...
The interaction between the mucosal immune system and the
... Sample excitation was done by an Argon laser operating at 15 mW and 488 nm. Filtersettings were 525 BP for FITC, 550 LP and 630 BP for measurement of PI. Acquisition and data analysis were done with standard ELITE software comprising the Immuno-4 program to determine the percentage of stained events ...
... Sample excitation was done by an Argon laser operating at 15 mW and 488 nm. Filtersettings were 525 BP for FITC, 550 LP and 630 BP for measurement of PI. Acquisition and data analysis were done with standard ELITE software comprising the Immuno-4 program to determine the percentage of stained events ...
A life in slime – biofilms rule the world
... The structural organization of the biofilm allows all “members” to receive the basics they need to thrive. The variety of microenvironments within the biofilm provide niches for microorganisms with diverse phenotypes, strengthening the ability of the community to resist diverse environmental stress ...
... The structural organization of the biofilm allows all “members” to receive the basics they need to thrive. The variety of microenvironments within the biofilm provide niches for microorganisms with diverse phenotypes, strengthening the ability of the community to resist diverse environmental stress ...
chapter 27 - Dripping Springs ISD
... Reproduction in prokaryotes draws attention to three key features of their biology: They are small, they reproduce by binary fission, and they have short generation times. ...
... Reproduction in prokaryotes draws attention to three key features of their biology: They are small, they reproduce by binary fission, and they have short generation times. ...
pdf
... the source of most infectious diseases.1,2 This led to an expansive search of soil-dwelling microorganisms for antimicrobial agents culminating in the “golden era” of antibiotic discovery during the mid-twentieth century, where most known classes of antibiotics were discovered.3 Environmental bacter ...
... the source of most infectious diseases.1,2 This led to an expansive search of soil-dwelling microorganisms for antimicrobial agents culminating in the “golden era” of antibiotic discovery during the mid-twentieth century, where most known classes of antibiotics were discovered.3 Environmental bacter ...
salmonella shigella agar (ss agar)
... Neutral red is the pH indicator. Sodium thiosulfate and Ferric citrate allow the detection of the H2S producing bacteria, such as Proteus and some strains of Salmonella, since they produce colonies with black centers and a clear halo. Non-lactose fermenting bacteria (supposed pathogens) produce clea ...
... Neutral red is the pH indicator. Sodium thiosulfate and Ferric citrate allow the detection of the H2S producing bacteria, such as Proteus and some strains of Salmonella, since they produce colonies with black centers and a clear halo. Non-lactose fermenting bacteria (supposed pathogens) produce clea ...
Otitis Externa Lort Smith Ear Disease Seminar
... • Largest and most complex bacterial genome mapped. Permits coding for resistance and adaptation ...
... • Largest and most complex bacterial genome mapped. Permits coding for resistance and adaptation ...
15-2-1&2 抗微生物药概论&beta内酰胺类抗生素
... 10. Time-dependent killing: situation in which the bactericidal activity of a drug depends how long the drug concentration exceeds the Minimum inhibitory concentration of the organism in question. e.g. blactams and vancomycin ...
... 10. Time-dependent killing: situation in which the bactericidal activity of a drug depends how long the drug concentration exceeds the Minimum inhibitory concentration of the organism in question. e.g. blactams and vancomycin ...