Review of Key Microbial Groups
... Cells covered by an outer sheath and are motile by a modified flagellar structure called an axial filament Example: Treponema pallidum (syphillis) ...
... Cells covered by an outer sheath and are motile by a modified flagellar structure called an axial filament Example: Treponema pallidum (syphillis) ...
1.Infectious diseases
... • About 70 to 80% of membrane proteins are integral proteins. These are not easily extracted from membranes and are insoluble in aqueous solutions when freed of lipids. Integral proteins, like membrane lipids, are amphipathic; their hydrophobic regions are buried in the lipid while the hydrophilic p ...
... • About 70 to 80% of membrane proteins are integral proteins. These are not easily extracted from membranes and are insoluble in aqueous solutions when freed of lipids. Integral proteins, like membrane lipids, are amphipathic; their hydrophobic regions are buried in the lipid while the hydrophilic p ...
Microbial growth
... • Growth= an increase in the number of cells, not an increase in size • Generation=growth by binary fission • Generation time=time it takes for a cell to divide and the population to double ...
... • Growth= an increase in the number of cells, not an increase in size • Generation=growth by binary fission • Generation time=time it takes for a cell to divide and the population to double ...
Lecture_1_The role of microbiology_Physiology of microorganism
... stained material. It is Feulgenpositive, indicating the presence of DNA. Histonelike proteins have recently been discovered in bacteria and presumably play a role similar to that of histones in eukaryotic chromatin The DNA is seen to be a single, continuous, "giant" circular molecule with a molecula ...
... stained material. It is Feulgenpositive, indicating the presence of DNA. Histonelike proteins have recently been discovered in bacteria and presumably play a role similar to that of histones in eukaryotic chromatin The DNA is seen to be a single, continuous, "giant" circular molecule with a molecula ...
Freeman 1e: How we got there
... Found only in prokaryotes Can use a broad spectrum of inorganic ...
... Found only in prokaryotes Can use a broad spectrum of inorganic ...
Cells: Prokaryote vs Eukaryote - John F. Kennedy Middle School
... (example: E. coli) cytoplasm: inner liquid filling DNA in one big loop pilli: for sticking to things flagella: for swimming ...
... (example: E. coli) cytoplasm: inner liquid filling DNA in one big loop pilli: for sticking to things flagella: for swimming ...
Rapid-bacterial-evolution
... bacterial pathogen Pseudomonas aeruginosa infecting CF lungs harbour huge amounts of diversity, including variation in antibiotic resistance and secretion of toxins. This diversity must have evolved within each lung because each patient had originally been infected by a single type of the bacterium. ...
... bacterial pathogen Pseudomonas aeruginosa infecting CF lungs harbour huge amounts of diversity, including variation in antibiotic resistance and secretion of toxins. This diversity must have evolved within each lung because each patient had originally been infected by a single type of the bacterium. ...
What Are the Effects of Ultraviolet Light on Bacteria Mortality?
... Therefore, complete mortality for Serratia marcescens is probably a little longer than one minute, but less than two minutes. Conclusions/Discussion Ultraviolet light exposure for short time periods, such as two or five minutes, was not expected to completely destroy the bacteria. Similarly, it was ...
... Therefore, complete mortality for Serratia marcescens is probably a little longer than one minute, but less than two minutes. Conclusions/Discussion Ultraviolet light exposure for short time periods, such as two or five minutes, was not expected to completely destroy the bacteria. Similarly, it was ...
Antimicrobial Agents
... fungi, especially those in the genus Penicillium, which produces antibiotics such as penicillin; or bacteria in the genus Bacillus, which produce antibiotics such as bacitracin and polymyxin; or bacteria in the genus Streptomyces, which produce a number of medically important antibiotics. Antimicrob ...
... fungi, especially those in the genus Penicillium, which produces antibiotics such as penicillin; or bacteria in the genus Bacillus, which produce antibiotics such as bacitracin and polymyxin; or bacteria in the genus Streptomyces, which produce a number of medically important antibiotics. Antimicrob ...
High speed bacterial diagnosis FISH analysis
... this method. The observation that all strains hybridize with the EUB-probe indicates that the hybridization protocol is applicable for FISH studies with the bacterial species and genera tested in this study. The negative results obtained with the non-EUB-probe indicate the absence of specific intera ...
... this method. The observation that all strains hybridize with the EUB-probe indicates that the hybridization protocol is applicable for FISH studies with the bacterial species and genera tested in this study. The negative results obtained with the non-EUB-probe indicate the absence of specific intera ...
Chapter 15 Non Specific Defense of the Host
... 1. The ability to ward off disease. It is the result of genetically predetermined (innate) resistance and other factors such as the individual's age, sex, and nutritional status. 2. Constitutive Defenses: Defenses common to all healthy animals. These defenses provide general protection against invas ...
... 1. The ability to ward off disease. It is the result of genetically predetermined (innate) resistance and other factors such as the individual's age, sex, and nutritional status. 2. Constitutive Defenses: Defenses common to all healthy animals. These defenses provide general protection against invas ...
Bacteria control: Testing membrane filter cartridges
... requires a one-time challenge of 107 bacteria per cm2 of the effective membrane surface [ASTM F838-05 Standard Test Method for Determining Bacterial Retention of Membrane Filters Utilized for Liquid Filtration]. In fact this method replicates what normally occurs gradually in a sterilising filtratio ...
... requires a one-time challenge of 107 bacteria per cm2 of the effective membrane surface [ASTM F838-05 Standard Test Method for Determining Bacterial Retention of Membrane Filters Utilized for Liquid Filtration]. In fact this method replicates what normally occurs gradually in a sterilising filtratio ...
Microbes and Diseases ppt
... Gangrene can happen when a cut or surgical wound becomes infected with bacteria. The bacteria can spread under the skin or through the blood to cause a total body infection. Some of these bacteria make poisons (toxins) that flow into the body, destroying tissues and causing severe illness or death ...
... Gangrene can happen when a cut or surgical wound becomes infected with bacteria. The bacteria can spread under the skin or through the blood to cause a total body infection. Some of these bacteria make poisons (toxins) that flow into the body, destroying tissues and causing severe illness or death ...
ANTIMICROBIALS 1
... -Very similar to Penicillin in structure and mechanism of action -Have a beta lactam ring, but less affected by beta lactamase producing bacteria than penicillins are -Bactericidal -Bind and inhibit enzymes needed for cell wall formation (like penicillins) -Bacteria must be dividing for cephalospor ...
... -Very similar to Penicillin in structure and mechanism of action -Have a beta lactam ring, but less affected by beta lactamase producing bacteria than penicillins are -Bactericidal -Bind and inhibit enzymes needed for cell wall formation (like penicillins) -Bacteria must be dividing for cephalospor ...
Title of project: Effects of plant extracts on the attachment of
... ability to reduce the duration and severity of gastroenteritis without adverse effects in clinical trials (Allen et al., 2010). However, the results from these studies also show that probiotics fall far behind antibiotics and little work has been carried out on agents that may facilitate probiotic b ...
... ability to reduce the duration and severity of gastroenteritis without adverse effects in clinical trials (Allen et al., 2010). However, the results from these studies also show that probiotics fall far behind antibiotics and little work has been carried out on agents that may facilitate probiotic b ...
Biology Lab
... C. What was the purpose of the quadrant 1? ____________________________________________________________ D. If bacteria grow in quadrant 1, what does that tell you?__________________________________________________ E. How does one species of bacteria colony differ from another? ______________________ ...
... C. What was the purpose of the quadrant 1? ____________________________________________________________ D. If bacteria grow in quadrant 1, what does that tell you?__________________________________________________ E. How does one species of bacteria colony differ from another? ______________________ ...
Document
... – Caused by group A streptococci (S. pyogenes) – Variety of virulence factors – M proteins, hyaluronic acid capsule, streptokinases, C5a peptidase, pyrogenic toxins, ...
... – Caused by group A streptococci (S. pyogenes) – Variety of virulence factors – M proteins, hyaluronic acid capsule, streptokinases, C5a peptidase, pyrogenic toxins, ...
Unit 11: Classification (And REALLY quick survey of kingdoms
... – A mutation in the DNA of a single bacterium can confer resistance to an antibiotic. – Cells with the mutant gene have a selective advantage when the antibiotic is present. – Mutant cells take over the population when the normal cells die. – This is a common example of evolution that is easily obse ...
... – A mutation in the DNA of a single bacterium can confer resistance to an antibiotic. – Cells with the mutant gene have a selective advantage when the antibiotic is present. – Mutant cells take over the population when the normal cells die. – This is a common example of evolution that is easily obse ...
Human Microbiome: The Role of Microbes in Human Health
... are adapted to the conditions in these places. Scientists are studying how these microbes work in our bodies and learning about the balance among different bacterial communities. Some of what they have learned about bacteria has come from their study of fungi. Fungi have been competing with bacteria ...
... are adapted to the conditions in these places. Scientists are studying how these microbes work in our bodies and learning about the balance among different bacterial communities. Some of what they have learned about bacteria has come from their study of fungi. Fungi have been competing with bacteria ...
scope and history of microbiology
... or women, and so moving beyond that is a large step, and many compounds have failed.” He added, “Toxicity is often the Achilles’ heel of drugs.” Drug-resistant bacteria infect at least two million people a year in the United States and kill 23,000, according to the Centers for Disease Control and Pr ...
... or women, and so moving beyond that is a large step, and many compounds have failed.” He added, “Toxicity is often the Achilles’ heel of drugs.” Drug-resistant bacteria infect at least two million people a year in the United States and kill 23,000, according to the Centers for Disease Control and Pr ...
Unit 11: Classification and a very Brief Survey of Kingdoms
... – Prokaryotic DNA is a ____________________________________ of double-stranded DNA attached at one point to the cell membrane. – Along with a single main chromosome, some prokaryotes have __________________, which are small, circular, self-replicating loops of double-stranded DNA. Capsules and Pili ...
... – Prokaryotic DNA is a ____________________________________ of double-stranded DNA attached at one point to the cell membrane. – Along with a single main chromosome, some prokaryotes have __________________, which are small, circular, self-replicating loops of double-stranded DNA. Capsules and Pili ...
bacteria and archae of interest
... -31 species -80,000 deaths per year in the US -produce many enterotoxins -produce biofilms -can cause food poisoning -commonly lives on the skin and mucous membrane ...
... -31 species -80,000 deaths per year in the US -produce many enterotoxins -produce biofilms -can cause food poisoning -commonly lives on the skin and mucous membrane ...
