Microbiology Flashcards
Prokaryotic Cell is?
Bacteria
Major Characteristic of Prokaryotic & Eukaryotic Cell
Prokaryotic has No Membrane
Eukaryotic has True Nucleus
Determines the Degree of Pathogenecity, protection of microorganisms against phagocytosis
GLYCOCALYX
Prokaryotic means of cell division/reproduction
Binary Fission
Eukaryotic cell division
Mitosis
Meiosis happens only in?
Sex Cell/Gametes
Prokaryotic Cell ribosome component
70s (50s, 30s)
Protein synthesis/factories of the cell
Ribosome/Polyribosome
Antibiotic that attacks 30s unit
Tetracycline (Trentacycline)
Aminoglycoside (Trentaminoglycoside)
Tetracycline is contraindicated in Pregnant patient for
6 months and until 9 yrs of age
Tetracycline affects the developmental stage of tooth in
Appositional Stage:
dentinogenesis and amelogenesis
Tetracycline is used for
Localized Aggressive Periodontitis
- High concentration in plasma, GCF.
Anti-TB drug that causes Ototoxicity, sense of hearing, CN VIII.
Streptomycin (Major group of Aminoglycoside)
- AminoOTO, AminoNEPHRO
Antibiotic that attacks 50s
Lincosamide: Clindamycin (300mg or 600mg)
Macrolides: Erythromycin
Others: CHLORAMPHENICOL
Chloramphenicol is DOC for
Typhoid Fever
Bone Marrow Suppression
Aplastic Anemia
Gray Baby Syndrome
- is an adverse effect of?
Ano ang BAG mo?
CHLORAMPHENICOL
Function of bone marrow?
Hematopoiesis “Blood cell formation”
Low blood cells
Pancytopenia
Function of FIMBRIAE
Attachment
-Adherence for Colonization
Function of PILI
DNA Transfer
1-2 pili per cell
Function of Flagella
Locomotion/Movement
Microorganism has no flagella is called
Atrichous
MO has one Flagella
Monotrichous
MO has one flagella with each pole
Amphitrichous
MO has multiple flagella in 1 pole
Lopotrichous
MO has multiple flagella in each pole
Amphilopotrichous
MO has flagella in entire periphery/surrounding/around the organism
Peritrichous
if the movement of microorganism is clockwise the movement of endoflagella is?
Counterclockwise
-The movement of endoflagella is opposite to the movement of your microorganism
What is the movement of flagella in Eukaryotic cell
WAVELIKE movement
What is the movement of flagella in Prokaryotic cell
ROTATION
The Rotation of Flagella is Powered by:
Proton Current
Flagella is Governed by:
Chemotactic Response
Microorganisms that has Glycocalyx/Capsule
Streptococcus Pneumoniae
Hemophilus Influenzae
Neisseria specie (Gonorrhea)
Thick Cell wall, lipoteichoic acid
GRAM POSITIVE
Thin cell wall, outer membrane: Lipopolysaccharide (LPS)
Gram Negative
eNdotoxin can be found in what microorganism?
gram Negative only
Exotoxin can be found in?
Both positive and gram negative microorganism
Semipermeable phospholipid bilayer
Plasma/Cell Membrane
Capable of mutation;self replication, extrachromosomal genetic element
Plasmid
ATP Production
Powerhouse of the cell/Mitochondria
Bacterial Mitochondria
Mesosome
Microorganism that causes Syphillis
Treponema Pallidum
-Spirochete
No increase in number of living bacterial cells but increase in cell size
Lag Phase
Exponential increase in number of living bacterial cells
Log Phase
Phase where Target of Medications/Antibiotics
Log Phase
Plateau in number of living bacterial cells, Spore formation, rate of cell division and death roughly equal
Stationary Phase
Microorganism with SPORES
Bacillus
Clostridium
Fungi
Exponential decrease in number of living bacterial cells
Death or Exponential Phase
Most common type of microorganisms physical requirements temperature
Mesophiles (25-40’c)
pH, most bacteria grow best in
6.5 - 7.5
Normal Blood pH
7.35 - 7.45
Microorganisms Actinomyces, Bacteroides, Clostridium is known for
Obligate Anaerobes
carbon requirements came from inorganic materials is
Autotroph
carbon requirements came from complex organic substances
Heterotroph
Energy source came from LIGHT
Photoautotrophs
Energy source came from CHEMICAL REACTION
Chemoautotrophs
Microorganisms Chlamydia, Rickettsia, VIRUS is known as
Obligate Intracellular
-cannot survive outside host cells
Primary Stain/Agent
Crystal Violet
Counterstain/Secondary Agent
Safranin
Decolorizing Agent
Alcohol/Acetone
Mordant
Iodine
Treponema Pallidum is the microorganism that causes
SYPHILLIS
Sexually transmitted infection/disease
Syphillis
Most invasive treponema
Pallidum
Least invasive treponema
Carateum
1st stage adult syphillis, Painless ulcer
Chancre
*Canker Sore “Apthous Ulcer” - Painful ulcer
3rd stage, Tabes dorsalis is known as
“Neurosyphilis”
2nd stage syphillis, wart-like lesion.
Condyloma Lata
Mucous Patches
*Condyloma Acuminata “Warts” - HPV
Nodular Ulcer in Tongue & Palate
GUMMA
DOC for Syphillis
Penicillin
Diagnostic test for Syphilis
FTABS “Fluorescent Treponemal Antibody Absorption” - antibody for syphilis
Microscope used for syphilis
Darkfield microscope
Hutchinson’s Triad
Hutchinson’s teeth, Interstitial Keratitis, Deafness, is seen in
Congenital Syphilis
Carried by arthropods affecting endothelium
Rickettsia
Endemic Typhus
Rickettsia TYPHI
Epidemic Typhus
Rickettsia Prowazekii
Known as smallest bacteria it causes “walking pneumonia”
MYCOPLASMA Pneumoniae
Most common sexually transmitted disease
CHLAMYDIA
DOC for Chlamydia
Doxycycline - Not for Pregnant Px (Tetracycline Group)
Azithromycin
TB of the Bone/Spine
Pott’s Disease!
TB of the SKIN
Lupus Vulgaris!
TB of the Lymph Nodes
Scrofula!
What kind of necrosis caused by Mycobacterium Tubercolosis
CASEOUS Necrosis! (Cheese-like)
what kind of inflammation TB
GRANULOMATOUS Inflammation
Definitive/Specific test for TB
Direct Sputum Smear Microscopy
DOTS meaning
Directly Observed Treatment Shortcourse
DOC for TB
Rifampicin
Isoniazid
Pyrazinamide
Ethambutol
Streptomycin
Adverse effect of Rifampicin
Red-Orange Secretion
Adverse effect of Isoniazid
PerIpheral neurItIs
Adv. Effect of Pyrazinamide
hyPYRuricemia
Adv. effect of ethambutol
Optic Neuritis
Adv. effect of Streptomycin
Ototoxicity
Mycobaterium Leprae is also known as?
“Hansen’s Disease”
leprosy, ketong.
Multiple, Lumpy abscess with board like swelling and a central soft spot “LUMPY JAW”, Histologic study: SULFUR GRANULES
Actinomycosis - “Actinomyces Israelli”
most commonly found in skin, normal flora of the skin
Staphylococcus Aureus
most common cause of nosocomial infection in surgical wound (hospital acquired)
Staphylococcus Aureus
Acute endocarditis, Osteomyelitis is caused by what microorganism
Staphylococcus Aureus
Streptococcus Viridans, causes what disease
Subacute Endocarditis
microorganism that causes dental caries
Streptococcus Mutans
1st colonizer of ORAL CAVITY
Streptococcus Saliva-rius
Streptococcus Sanguis is seen in
Plaque
Scarlet fever/Scarlatina is caused by what microorganism
Streptococcus Pyogenes