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27 Cards in this Set
- Front
- Back
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Plasmids
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are small DNA molecules within bacteria that are physicallyseparated from a chromosomal DNA andcan replicate independently
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Episomes
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are a group ofplasmid. They may be attached to the plasma membrane or the chromosome.
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Transposons
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A segment of DNA that is capable of moving into a new position within the same or another chromosome or plasmid. Also calledjumping gene.
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Spirochetes
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are a group of bacteria. They are not stained with gram dyes. They can bestained by giemsa and wright dyes. There are 5 kinds of spirochetes but 3 ofthem are pathogenic to humans
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3 OUT OF 5 spirochets |
boring little treats 1. Treponema2. Borrelia 3. Leptospira |
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Treponema pallidum
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is a bacterium thatcauses syphilis. Spread via sexual contact or transplacentally
the are gr- aerobic |
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Borrelia recurrentis bod
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is a motile bacteriabut they do not move via their flagella
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Mycobacterium tuberculosis
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causes tuberculosis.
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mycoplasma |
bacteria with no wall |
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which bacteria needs a living cell to multiply? (not virus) |
1)chlamydia 2)ricketsia хлам в ракете))) |
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which bacteria causes causes pertussis? |
Bordotella pertussis.It is a gr -, coccobacillus bacterium. It ispathogen to only humans. It is a primary pathogen.
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which 3 gr +, causesendocarditis and opportunistic patogen
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Pseudomonas aeruginosaand Staphylococcus aureus, Streptococcussalivarius
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what is virulence and stages of it? |
Virulenceis the degree of pathogenicity.
1. Low virulence 2. Moderate virulence: Escherichia coli (gr-)3. High virulence: Bordetellapertussis, Yersinia pestis (gr -, causesplague) Exteremely high virulence |
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name 3 bacteria which do not suit Coch's postulate |
1)treponema palladium- dont grow on culture 2)mycobacterium lepra-dont grow on culture 3)neisseria gonorrhea - only in human |
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is a motile bacteriabut they do not move via their flagella.s
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Borrelia recurrentis
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which bacteria uses its coagulaseenzyme and surrounds itself with a clot for protection
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Staphylococcus aureus
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Bacteriostaticactivity
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stopsbacterial reproduction
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Types of antibiotics
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1. Cell wallinhibitors-
2. Membraneinhibitors 3. Proteinsynthesis inhibitors affects only bacterıa (70srıbosome 50s+30s) 4. DNA damage 5. Active onmetabolites |
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signs of PHARYNGITIS and which bacteria causes it? treatement |
streptococcal disease
abrupt onset of sore throat, fever, malaise, andheadache Penicillin V or amoxicillin oral cephalosporin(for penecelln alergic) |
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which Lancefieldgroups cause the same diseases as s.pyogenes? |
group c and g |
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Pyoderma (impetigo):
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M49 M57· Face and extremetes· Not painful but itching
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Erysipelas:
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An acute infection of the skinpatients experience localizedpain,inflammation,lymph node enlargement,and systemic signs. The involved skinarea is typically raised and distinctly differentiated from the uninvolved skin.
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what may be a cause of eryspelas? |
strep throat |
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Necrotizing fasciitis(NF)l
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An infection that occurs deep in thesubcutaneous tissue, spreads along the fascial planes, and is characterized byan extensive destruction of muscle and fat (flesh eating bacteria).
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Scarlet fever
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Circumoral pallor, strawberrytongue, Pastia’s lines
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what could be A complication of streptococcal pharyngitis
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scarlet fever |
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name Nonsuppurativestreptococcal diseases |
· Acute rheumaticfever
· Acuteglomerulonephritis |
