Generalities Flashcards
Creutzfield-Jacob, kuru, BSE
Prion
Spongiform encephalopathy
Jumping genes
Transposons
Outer membranes: Diatom Plants and algae Fungi Bacteria
Silica
Cellulose
Chitin
Peptidoglycan
Bacteria: smallest, no cell wall
Mycoplasma
Bacteria:largest
Dse
Borrelia burgdorferi
Lime dse
Only gram positive organism with LPS (endotoxin)
Listeria monocytogenes
Not seen in gram staining
These Rascals May Microscopically Lack Color
Treponema (dark field microscopy) Rickettsia (Giemsa stain) Mycobacterium (Acid Fast Stain) Mycoplasma (serology) Legionella (silver stain) Chlamydia (inclusion bodies/tissue staining)
Only bacteria with capsule made of polypeptide (D-glutamate)
Bacillus anthracis
Spore forming bacteria
Bacillus
Clostridium
Both antibacterial and B-lactamase inhibitor
Nafcillin
Cloxacillin
Methicillin
Byproducts of aerobic metabolism
H2O2, superoxides
Superoxide desmutase, catalase, peroxidase
Obligate aerobes
Nosy and Nagging Pests Must Breath Lots of oxygen
Nocardia Neisseria Pseudomonas Mycobacteria/Mycoplasma pneumoniae Bordetella/Brucella/B. cereus Leptospira/Legionella
Obligate anaerobes
ABC
Actinomyces
Bacteroides
Clostridium
Example of programmed rearrangement
Relapsing fever (Borrelia recurrentis)
DNA transfer with the use of vector
Transduction
Example of transduction (lysogenic)
Erythrogenic toxin of strep pyogenes (scarlet fever)
Bacteria with IgA protease
SHiNe My Gong
Streptococcus pneumoniae
Haemophilus influenza
Neisseria Meningitidis
neisseria Gonorrhea
Source of toxoid vaccine
Exotoxin
Only heat stable exotoxin
Staphylococcal enterotoxin
Typical dse
Exotoxins
Endotoxin
Tetanus, botulism /
Meningococcemia
Toxic component of LPS
Lipid A
CM: gram positive cocci
Blood agar
CM: enteric gram negative rods
*lactose fermenters vs. non-fermenters
McConkey
Eosin methylene blue (EMB)