All Topics  
Outer membrane

 

 
   Email Print
   Bookmark   Link
 

 

Outer membrane
 
 
  Topics Outer membrane Topic Home

The bacterial outer membrane is found in Gram-negative bacteria. Its composition is distinct from that of the cytoplasmic membrane - among other things, the outer leaflet of the membrane include a complex lipopolysaccharide
Lipopolysaccharide

Lipopolysaccharides , also known as lipoglycans, are large molecules consisting of a lipid and a polysaccharide joined by a covalent bond; they are found in the outer membrane of Gram-negative bacteria, act as endotoxins and elicit strong immune responses in animals....
 whose lipid portion acts as an endotoxin
Endotoxin

Endotoxins are toxins associated with certain bacteria. Classically, an "endotoxin" is a toxin which, unlike an "exotoxin", is not secreted in soluble form by live bacteria, but is a structural component in the bacteria which is released mainly when bacteria are lysis....
 - and it is linked to the cell's peptidoglycan
Peptidoglycan

Peptidoglycan, also known as murein, is a polymer consisting of sugars and amino acids that forms a mesh-like layer outside the plasma membrane of bacteria, forming the cell wall....
 by Braun's lipoprotein
Braun's lipoprotein

Braun's lipoprotein , found in gram-negative cell walls, is one of the most abundant membrane proteins; its molecular weight is about 7.2 kDa. It is bound at its C-terminal end by a covalent bond to the peptidoglycan layer and is embedded in the outer membrane by its hydrophobic head ....
.

Porin
Porin

Porin can be:* Porin , a transmembrane protein* Porin , Croatian music award* Porin , the first Croatian opera...
s can be found in this layer.

ndotoxin enters the circulatory system it causes a toxic reaction with the sufferer having a high temperature and respiration rate and a low blood pressure.






Discussion
Ask a question about 'Outer membrane'
Start a new discussion about 'Outer membrane'
Answer questions from other users
Full Discussion Forum



Encyclopedia


The bacterial outer membrane is found in Gram-negative bacteria. Its composition is distinct from that of the cytoplasmic membrane - among other things, the outer leaflet of the membrane include a complex lipopolysaccharide
Lipopolysaccharide

Lipopolysaccharides , also known as lipoglycans, are large molecules consisting of a lipid and a polysaccharide joined by a covalent bond; they are found in the outer membrane of Gram-negative bacteria, act as endotoxins and elicit strong immune responses in animals....
 whose lipid portion acts as an endotoxin
Endotoxin

Endotoxins are toxins associated with certain bacteria. Classically, an "endotoxin" is a toxin which, unlike an "exotoxin", is not secreted in soluble form by live bacteria, but is a structural component in the bacteria which is released mainly when bacteria are lysis....
 - and it is linked to the cell's peptidoglycan
Peptidoglycan

Peptidoglycan, also known as murein, is a polymer consisting of sugars and amino acids that forms a mesh-like layer outside the plasma membrane of bacteria, forming the cell wall....
 by Braun's lipoprotein
Braun's lipoprotein

Braun's lipoprotein , found in gram-negative cell walls, is one of the most abundant membrane proteins; its molecular weight is about 7.2 kDa. It is bound at its C-terminal end by a covalent bond to the peptidoglycan layer and is embedded in the outer membrane by its hydrophobic head ....
.

Porin
Porin

Porin can be:* Porin , a transmembrane protein* Porin , Croatian music award* Porin , the first Croatian opera...
s can be found in this layer.

Clinical significance

If endotoxin enters the circulatory system it causes a toxic reaction with the sufferer having a high temperature and respiration rate and a low blood pressure. This may lead to endotoxic shock, which may be fatal.