What is the Difference Between Archaebacteria and Eubacteria Cell Wall?
🆚 Go to Comparative Table 🆚The main difference between the cell walls of Archaebacteria and Eubacteria lies in their composition. Here are the key differences:
- Eubacteria: Also known as true bacteria, Eubacteria have cell walls that are largely composed of the polymer peptidoglycan. They have a higher degree of organization and their cell walls contain repeating subunits of N-Acetylglucosamine and N-Acetylmuramic Acid.
- Archaebacteria: The cell walls of Archaebacteria are formed from the linking of other polymers and generally do not contain peptidoglycan. They have a comparatively smaller genome and their cell walls contain repeating subunits of N-Acetylglucosamine and N-Acetyltalosaminuronic acid. Archaebacterial cell walls are more similar to gram-positive bacteria.
These differences in cell wall composition can impact the bacteria's structure and function, as well as their resistance to certain antibiotics that target peptidoglycan synthesis.
Comparative Table: Archaebacteria vs Eubacteria Cell Wall
The main differences between Archaebacteria and Eubacteria cell walls are the composition and structure of their cell walls. Here is a table highlighting these differences:
Feature | Archaebacteria | Eubacteria |
---|---|---|
Cell Wall Composition | Lack peptidoglycan | Contains peptidoglycan |
N-Acetylglucosamine and N-Acetylmuramic Acid | Yes | Yes, but not in all cases |
N-Acetylglucosamine and N-Acetylatalosaminuronic Acid | Yes | No |
Cell Wall Structure | Four different types: pseudopeptidoglycan, polysaccharides, glycoproteins, or pure protein | One type: peptidoglycan |
Archaebacteria cell walls lack peptidoglycan, which is present in Eubacteria cell walls. The cell walls of Archaebacteria contain repeating subunits of N-Acetylglucosamine and N-Acetylmuramic Acid or N-Acetylglucosamine and N-Acetylatalosaminuronic acid, whereas Eubacteria cell walls contain repeating subunits of N-Acetylglucosamine and N-Acetylmuramic Acid. Archaebacteria have four different types of cell walls, including pseudopeptidoglycan, polysaccharides, glycoproteins, or pure protein, while Eubacteria have a single type of cell wall composed of peptidoglycan.
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