Medical Bacteriology notes
39 notes by 27 users
This Medical Bacteriology notes page gathers user-made notes on topics from bacterial classification to Mycobacteria and Clostridium neurotoxins. It offers university students and professional candidates material to review, and teachers resources for teaching. There are over 30 notes by more than 20 users. Pick a topic to begin.
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- Bacterial Classification and Morphology98
- Bacterial Cell Structure and Growth41
- Bacterial Culture, Staining and Identification14
- Bacterial Pathogenicity and Virulence9
- Antibiotics and Bacterial Resistance5
- Gram-Positive Cocci87
- Gram-Positive Rods39
- Anaerobic Bacteria and Infections22
- Mycobacteria, Tuberculosis and Leprosy44
- Actinobacteria and Actinomycetes10
- Enterobacteriaceae45
- Neisseria18
- Other Gram-Negative Bacteria21
- Helicobacter and Campylobacter8
- Chlamydia, Rickettsia, Mycoplasma and Spirochetes14
Notes
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EHEC , EPEC spread of infection EHEC virulence factor includes the ability to adhere to plant materials, acid tolerence and the attachment and effacement to the intestinal endothelium, and the production of endotoxins and shiga toxin .This hype...
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Biology: Microbiology
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Gram negative bacteria Gram negative bacilli Growth on MacConkey Pseudomonads Psudomonas Burkholderia Aeromonas Curved rods Campylobacter* Lawsonia** Helicobacter* Vibrio Enterobacteriaceae Escherichia coli Salmonella Shigella (human p...
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Clostridium neurotoxins Clostridium Neurotoxins Intro: Clostridium is a genus of anaerobic gram positive rods. It contains multiple species of various importance, the most clinically significant bacteria in the genus are: C. perfringens, C. ...
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Mycobacteria They are unicellular rod shaped obligate aerobes (only grow in aerobic conditions) 2-4 micrometers length x 0.2-0.5 micrometers in width they are non motile, non capulated and non sporulating. There are more than 100 ...
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E-coli General features Gram negative Perittichous Rod shaped Facultative anaerobe Obtains energy by oxidation and reduction of organic sources Common inhabitant of intestines of all warm blooded animals frequently a harmles...
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SG Chapter 2 •Compare characteristics of prokaryotic cell vs. eukaryotic cell •Know the following shapes of bacteria: Coccus/cocci, bacillus/bacilli, coccobacilli, vibrio, spirillum, spirochaete; •Know the following terms relevant...
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Bacteria - created from Mind Map Anaerobic Aerobic Gram-positive
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EAEC pathogenesis The pathogenesis of EAEC is really complex as strains are relatively heterogeneous. The best-studied virulence factor is AggR, the master regulator of EAEC virulence, which controls expression of adherence factor...
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Clostridia + Staphylococci Clostridia Anaerobic Varying Gram negative Produce spores Under anaerobic conditions?Hetero genus Most species have large battery of virulence factors Largely saprophytic Enzymes developed to break down Di...
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Untitled
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Shigella Shigella spp. are transmitted by the fecal-oral route and enter the human body via the ingestion of contaminated food or water. The bacteria are highly infectious, since as few as 10 to 100 microorganisms are suf...
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Anaerobic Gram Negative Rods Widespread in the mucous membranes, gingiva and gut. Opportunists (except for those causing foot rot), disease results from extension of normal flora (obligate and facultative anerobic microorganisms) into a compromis...
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Spirochaetes Spirochaetes Phenotypic traits and phylogeny Gram negative A typical outer membrane Penicillin generally has effects on all spirochaetes Unique - helically shaped Free living / host...
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Bacteria - created from Mind Map Respiratory Pathogens Direct Contact Streptococcus
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Listeria Monogenesis Listeria Introduction: Listeria monocytogenes is a gram positive bacteria that is responsible for causing listeriosis. L.monocytogenes was first identified in 1926 based on six sudden deaths in rabbits. ...
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Intro to bacteria Size Prokaryote - most common escherichia coli 1.5um Eukaryote- e.g. RBC 8 um Microplasma - cell with no cell wall 0.4 um The smaller the size Large SA:V ratio Nutrient transport faster Hig...
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Bacteria diversity 3 domains Eukaryotic Bacteria Archeae Measuring diversity House keeping genes Whole genome sequence Cyanobacteria One of the most abundant Responsible for O2 pressure in atmosphere Photosynth...
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Brucella Brucella abortus Obligate parasite with no life cycle outside the host. Highly infectious: transmission can be by ingestion, venereal or by skin (vets). Aborted foetuses and foetal membranes are the main contaminants ...
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Samonella and Salmonelosis What is salmonells Facultative anaerobic gram negative rod Member of eneterobacteriacae Discovered in 1885 in pigs Genus consists of 2 species Salmonella bongori (Reptiles) Salmonella enterica (All warm blooded specie...
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Gram Positive Bacteria - created from Mind Map Aerobic Anaerobic Cocci
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Bacterial Injury - created from Mind Map Intracellular Extracellular Host Immune response
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Cholera toxin and vibrio cholera Cholera lifecycle Vibrio cholerae bacteria naturally live as rod-shaped bacteria existing primarily in plankton populations in shallow, brackish water. Attaching themselves to microscopic crustaceans called copepods t...
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Botulism - created from Mind Map Caused by Clostridium Botulinum Endospore former Gram Positive Rod
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Lesson 18 Structure and Function of Bacteria and Viruses CONJUGATION: = Takeover livingAsexual reproductionPlasmid = geneF-factor (fertility factor, a plasmid in certain bacteria that enables transfer of genetic material from a donor cell to a recipient by conjugation, resu...
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Staphylococcus Identification - created from Mind Map Morphology Catalase Clumping Factor/ Slide Coagulase
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Gram Positive - created from Mind Map Cocci Chains Clusters
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Sc15L6 Mycobacterium and miscellaneous bacteria
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BACTERIA 2 types of cell wall Gram negative -Thin layer of peptidoglycan Gram positive -Thick layer of peptidoglycan Gram negative Bacteria with cell wall contain most Bacteria have 2 groups Nonphototrophic phototrophic -oxyge...
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Biological When a person is infected with H. pylori the lower region of the stomach, the antrum, is predominantly inflamed. This is where most of the D cells in the stomach are. The bacteria produce a cloud of amm...
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Untitled What is the most prevalent bacterial infection in the world? - Mycobacterium tuberculosis (tuberculosis, MTB) - Exists, active or dormant, in 1/3 of entire worlds  ...
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Staphylococcus Gram-positive cocci in grape-like clusters Facultative anaerobes All species grow in the presence of bile salts Coagulase production Coagulase-positive- S. aureus, S. delphini, S. hyicus, S. intermedius, S. lutrae, S....
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Rickettsiae All are obligate IC .. need CoA + NADAll are transmitted by Arthropod to cause TRIAD of headache, fever, rash EXCEPT Coxiella Buernetti by aerosol to cause pneumonia.ttt. Doxycycline Rickettsia on wRistsTyphus on Trun...
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Application of Actinobacteria - created from Mind Map Agricultural Field Medical Field Industrial Field
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Bacterial Oxygen Intolerance Classification Four Classifications of Bacteria based on their Oxygen Intolerance 1. Aerobes: survive and reproduce in high-oxygen environments 2. Strict Anaerobes: oxygen is toxic to them 3. Facultative Anaerobes: can survive...
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Untitled #Pneumonia : -B. anthracis (life- threatening) #Bloody diarrhea: -B. anthracis #Watery diarrhea : -B. cereus #Meningitis : -B. anthracis (hemorrhagic)
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Gram-negative(on MacConkey) - created from Mind Map Lactose fermenters Lactose NON-fermenters E. coli
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Bacteria - created from Mind Map Classification Basic Structure Impact on Humans
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Some Clinically Significant Bacteria From RAD p622.
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About medical bacteriology notes
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These notes offer different ways into the unit. Biology: Microbiology includes bacterial classification, while Gram negative bacteria lists groups including Pseudomonads and Enterobacteriaceae. For a closer look at an organism, Mycobacteria describes its shape and growth conditions.
Start with the classification notes if you want a broad overview. If you are reviewing a particular group, open the relevant note first and use its headings to guide your reading. The notes on Clostridium neurotoxins, for example, introduce the genus and some of its species.
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Biology: Microbiology is a useful starting point if you want to review bacterial classification before choosing a narrower topic. For a more focused read, Mycobacteria describes features including shape and growth conditions. Both are notes on this page, so you can choose according to what you are reviewing.
What topics do the notes cover?
The notes include bacterial classification, Gram-negative bacteria and individual groups such as Mycobacteria and Clostridium. Some focus on a particular organism, such as E-coli, while others bring together several groups. The page has over 30 notes, giving university students, professional candidates and teachers several topics to explore.
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