What is the Difference Between Endotoxin and Enterotoxin?
🆚 Go to Comparative Table 🆚The main difference between endotoxin and enterotoxin lies in their structure, location, and mode of action. Here is a comparison between the two:
Endotoxin:
- Endotoxin is a lipopolysaccharide (LPS) that is present inside a bacterial cell, specifically in the outer membrane of gram-negative bacteria.
- It is released when the bacterial cell disintegrates.
- Endotoxins are lipids.
- They cause Gram-negative sepsis.
Enterotoxin:
- Enterotoxin is a toxin that is generated inside or affecting the intestines, causing diseases such as food poisoning or cholera.
- Enterotoxins are soluble proteins.
- They act on the intestine wall.
In summary, endotoxins are lipids produced by gram-negative bacteria and are released when the bacterial cell disintegrates, while enterotoxins are soluble proteins that affect the intestine wall and cause diseases related to the gastrointestinal system.
On this pageWhat is the Difference Between Endotoxin and Enterotoxin? Comparative Table: Endotoxin vs Enterotoxin
Comparative Table: Endotoxin vs Enterotoxin
Here is a table comparing the differences between endotoxins and enterotoxins:
Feature | Endotoxins | Enterotoxins |
---|---|---|
Definition | Endotoxins are lipopolysaccharide-protein complexes that are an integral part of the bacterial cell wall and are released only during the lysis of bacterial cells. | Enterotoxins are poisonous proteins produced by bacteria that are secreted outside the bacterial cells. |
Type | Endotoxins are bacterial toxins classified as exotoxins. | Enterotoxins are a type of exotoxin. |
Location | Endotoxins are located within the bacterial cells. | Enterotoxins are produced and released outside the bacterial cells. |
Structure | Endotoxins are heat-stable lipopolysaccharide-protein complexes. | Enterotoxins are proteins. |
Stability | Endotoxins are relatively stable and heat tolerant. | Enterotoxins are unstable and can be denatured by heat. |
Antigenicity | Endotoxins are weakly immunogenic. | Enterotoxins are highly antigenic. |
Toxicity | Endotoxins are moderately toxic. | Enterotoxins are highly toxic and can be fatal in small quantities. |
Diseases Caused | Endotoxins are associated with diseases like tetanus, diphtheria, and botulism. | Enterotoxins are associated with food poisoning and diarrheal diseases, such as those caused by Staphylococcus aureus, E. coli, and Clostridioides difficile. |
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