Microbiology Flashcards
Bacteria
- Prokaryotic
- Binary fission
- 50 30s Ribosomes
- Cell wall- nucleiod region , 1 chromosome
- Cell membrane
- No nucleus
- No vesicles
- Only PLASMA MEMBRANE
Motility
Flagella
preserve the bacteira
Spore
Spore forming bacteria
- Baccillus anthracis
2. Clostridium
cocci
spherical
bacteria, bacilli & clostridia
Rod-shaped
vibriones, spirilla, spirochaetes
Spiral-shaped
curved rods, Vibrio cholerae
Vibrios
short & curly
Spirilla
2 Spirilla
Spirillum minus
Helicobacter pylori
rat bite fever
Spirillum minus
ulcer disease of stomach, most common cause of Peptic Ulcer. Only documented CARCINOGEN
H. Pylori
Spirochaetes (Bacon, Lettuce, Tomato)
Borrelia
Leptospira
Treponema
long , plexus
Spirochaetes
causative agent of Lyme Disease
Borrelia
Urine of Rat
Leptospirae
Post- exposure prophylaxis of Leptospira
Doxycycline
T.pallidum
Treponema (syphillis)
Gram Staining Technique
VIAS
Gm (+)
Violet
Gm (-)
Red
Gm (+)
thicker peptidoglycan
outer wall external
inner- cell membrane
Endotoxin/ LPS only
Gm (-)
thinner
membrane wall membrane
between peptidoglycan layer
Gm (+) na may ENDOTOXIN
LISTERIA