Upgrade to remove ads
Only $35.99/year

MM10506: Lecture 10

Terms in this set (23)

types of Gram-Negative Bacteria
Diplococci, Coccobacilli, Comma Shaped, Bacilli
Other way of classification of Gram-Negative Bacteria
Aerobic and Anaerobic
Example of anaerobic Gram -ve bacteria
Bacteroides, Prevotella, Fusobacterium
Function of Plasma Membrane?
Selective permeability and transport of solutes
Excretion of hydrolytic exoenzymes
Electron transport and Oxidative phosphorylation for aerobic species
What is the major permeability barrier for Gram -ve bacteria?
The outer membrane
Three components that lie outside the peptidoglycan layer in Gram -ve bacteria?
The outer membrane, Lipopolysaccharides, Lipoprotein
Function of lipoproteins?
Stabilize the outer membrane by anchoring to the peptidoglycan.
What replaced the outer phospholipid of outer membrane of Gram -ve bacteria?
Lipopolysaccharides (LPS)
The function of lipopolysaccharides (LPS)?
Prevent leakage of periplasmic proteins.
The component of lipopolysaccharides (LPSs)?
O-specific Polysaccharide, Core polysaccharide, Lipid A
When does Lipopolysaccharides released?
When the cells are lysed
LPS split into what after lysed?
Lipid A and Polysaccharides
What is the outer membrane glycolipids of bacteria that colonize mucosal surfaces?
Lipooligosaccharides (LOS)
What are the target cells when endotoxin is released in a small amount?
Kupffer cells, Neutrophils, B lymphocytes, Complement
The activity of Kupffer Cells when endotoxin is released in a small amount?
Increase in IL-1
Other sets by this creator