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Air Paper Presentation.pptx
Air Paper Presentation.pptx

... replacement of spent carbon) • Biofilters (inexpensive, but can not treat all VOCs) ...
II-Year Program of medical microbiology classes – 2016/2017 1
II-Year Program of medical microbiology classes – 2016/2017 1

... Enterobacteriaceae, their metabolism is fermentative. The organism Yersinia pestis is responsible for the plague, other species of Yersinia generally produce a self-limiting gastroenteritis. Pathogenic Y. pestis produce two anti-phagocytic components; F1 antigen and the VW antigens. Both are require ...
2016 department of medicine research day
2016 department of medicine research day

... tularensis has a type VI secretion system (T6SS), a multi-component membrane-puncturing apparatus found in 25% of Gram-negative bacteria, that is responsible for bacterial virulence, as it mediates F. tularensis phagosomal escape and intracellular multiplication in host macrophages. We have identifi ...
1 Bacteria and Archaea An Introduction to Prokaryotes
1 Bacteria and Archaea An Introduction to Prokaryotes

... The F Factor in the Chromosome • A cell with the F factor built into its chromosomes functions as a donor during conjugation – The recipient becomes a recombinant bacterium, with DNA from two different cells • It is assumed that horizontal gene transfer is also important in archaea ...
Document
Document

... a. 1st way—measure the production of coagulase by taking rabbit plasma and putting some bacteria into the tube and wait to see if clotting occurs b. If the plasma clots, then it’s a positive test for coagulase c. SA will usually be positive fairly quickly; however, if the clot is not produced right ...
History of Microbiology
History of Microbiology

... (coccus) and gram negative bacteria (spirochete). Think about the gram stain procedure as it relates to the cell wall differences. What would the end result of each step of the gram stain be for each of the bacteria types? ...
Lecture 1
Lecture 1

... ─ bright microorganisms could be seen in a dark bkg ...
BacPath
BacPath

... There are the Enterobacteriaceae, diarrheal diseases—Salmonella typhimurium and enteriditis, E. coli, Shigella. These are Gram negative rods: contain LPS (lipid A is responsible for endotoxic activity) Not all bacteria have all the same virulence genes. Toxins, adherence/alteration of host, cell inv ...
Acetic acid, found in vinegar, shown to be effective against bacteria
Acetic acid, found in vinegar, shown to be effective against bacteria

... subsequent sepsis (blood poisoning) are key biofilms, and then eradicate pre-formed biofilms concerns for patients, with sepsis the leading cause of death among patients with burn wounds. was tested on each isolate. Low concentrations of acetic acid (0.16-0.3%) were shown to be able to Infections of ...
Hygiene_sciences 39
Hygiene_sciences 39

... prokaryotic and eukaryotic microbes. There are obviously considerable differences in the structure and composition of microbial cells and Table 1 summarizes the chemical nature of the outer layers of some of these organisms. There is no consistent theme. There are variations between similar types of ...
Ch. 20 - Organizing Life Notes
Ch. 20 - Organizing Life Notes

... Nomenclature – The system of naming objects ...
FREE Sample Here
FREE Sample Here

... produce toxic wastes. Algae do not cause disease. Why not? Algae have simple nutritional requirements (carbon dioxide, water, light, a few salts) that are easily obtained from the environment; therefore, they do not need to obtain nutrients from other living things. p. 11 How might the debate over s ...
CHAPTER - 2 MICROORGANISMS : FRIEND AND FOE
CHAPTER - 2 MICROORGANISMS : FRIEND AND FOE

... the dough soft and helps in making bread, cakes, biscuits, pastries etc. • c) Making alcohol :- Yeast is used for commercial production of alcohol & wine. » The fungus called yeast reproduces in sugar solution and converts it into alcohol. This process is called fermentation. » Louis Pasteur discove ...
Dadkhah and Najmabadi1
Dadkhah and Najmabadi1

... The antibacterial effect of Strawberry was measured against two Gram-negative bacteria, Salmonella Typhimurium and Escherichia coli. The results of our study show that Strawberry has a different effect on different Gram-negative bacteria. Strawberry extract inhibited the growth of E. coli but not Sa ...
Microbes and diseases: what to study-1
Microbes and diseases: what to study-1

... • Slow growing, likes it cool; armadillos as model • Grows in peripheral nerve and skin cells – Numbness is characteristic of disease • Tuberculoid vs. lepromatous leprosy – Mild, severe, respectively, depending on cell mediated immune response. – Numbness vs tissue destruction • Spread mostly by di ...
Lab Diagnosis of GIT Infections
Lab Diagnosis of GIT Infections

... are present to help maintain the pH which may rise as the toxicity decreases . A rise in pH decreases selective activity of Selenite. ...
The Gram Stain (2009)
The Gram Stain (2009)

... Virtual absence of the regular shaped rods suggestive of lactobacilli. ...
bacteria - www .alexandria .k12 .mn .us
bacteria - www .alexandria .k12 .mn .us

... people, one gram (1 gm) can kill fifty thousand (50,000) people, and one kilogram (about two and a half pounds) can kill fifty million (50,000,000) people! Botulism can be absorbed through the skin, through the lungs, through the eyes, or through the mucous membranes. In as little as six hours you s ...
Pathogenisis of bacterial infection
Pathogenisis of bacterial infection

... Some bacteria that commonly causes disease to animal s and incidentally infect humans e.g. Salmonella and campylobacter sp. There transmition by food products to human Other bacteria produces infection to human by mistake in the normal life cycle of the organism e.g. Yerssinia pestis has a well esta ...
Pulpy Kidney
Pulpy Kidney

... bacteria Clostridium perfringens Type D. The bacterium multiplies in the intestines, and produces a toxin that is absorbed into the blood ...
2- prokaryotes
2- prokaryotes

... Archaea are thought to be more closely related to eukaryotes than to bacteria. ...
Extreme Life
Extreme Life

... • Genetic diversity studies show that A. aeolicus is one of the most “divergent” bacteria known • I.e. it has little in common with many of the other bacteria • This and others led to the reclassification of 3 “Domains” of life on the basis of genetic linkage: • Archea • Bacteria • Eukaryota ...
How did scientists discover the cause of disease?
How did scientists discover the cause of disease?

... K used new microscope developed by Lister Medical Knowledge – P called his method of ...
Chapter 2 Even a superficial examination of the microbial world
Chapter 2 Even a superficial examination of the microbial world

... and only 0.25 _m thick. Finally, some bacteria are variable in shape and lack a single, characteristic form. These are called pleomorphic even though they may, like Corynebacterium, have a generally rodlike form. Bacteria vary in size as much as in shape. The smallest (e.g., some members of the genu ...
pGLO ™ Transformation
pGLO ™ Transformation

... • GFP is a visual marker • Study of biological processes (example: synthesis of proteins) • Localization and regulation of gene expression • Cell movement • Cell fate during development ...
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Bacterial morphological plasticity

Bacterial morphological plasticity refers to evolutionary changes in the shape and size of bacterial cells. As bacteria evolve, morphology changes have to be made to maintain the consistency of the cell. However, this consistency could be affected in some circumstances (such as environmental stress) and changes in bacterial shape and size, but specially the transformation into filamentous organisms have been recently showed. These are survival strategies that affect the bacterial normal physiology in response for instance to innate immune response, predator sensing, quorum sensing and antimicrobial signs.
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