What is the Difference Between L-form Bacteria and Mycoplasma?
🆚 Go to Comparative Table 🆚L-form bacteria and mycoplasmas are both types of bacteria that lack a cell wall. However, there are some differences between them:
- Natural characteristic: The lack of a cell wall is a natural characteristic of mycoplasmas, while L-form bacteria lack a cell wall due to specific laboratory treatments, such as exposure to deleterious agents like penicillin and immune sera.
- Origin: Mycoplasmas, also known as Mollicutes, are classified as a distinct group of bacteria that have evolved to lose their cell walls. In contrast, L-form bacteria are derived from other bacterial species and are not a distinct group.
- Pathogenicity: L-form bacteria can cause diseases such as endocarditis, bacteremia, uveitis, pneumonia, osteomyelitis, arthritis, recurrent UTIs, soft tissue infections, and meningitis in humans. Mycoplasmas, on the other hand, can cause diseases like tuberculosis, pneumonia, and bronchitis in humans.
- Morphology: Although both L-form bacteria and mycoplasmas share similar morphologies, there are some differences in their structure and development.
Both L-form bacteria and mycoplasmas are resistant to penicillin and other antibiotics that target cell wall synthesis. The lack of a cell wall makes these bacteria difficult to culture and study, but they have been associated with various human diseases and immunological conditions.
Comparative Table: L-form Bacteria vs Mycoplasma
L-form bacteria and Mycoplasma are two types of bacteria that lack a cell wall around their cell membrane. They have some similarities, but there are key differences between them as well. Here is a table summarizing their differences:
Feature | L-form Bacteria | Mycoplasma |
---|---|---|
Cell Wall | Lack of cell wall due to mutation or response to extreme conditions | Independent microbes with no cell wall |
Origin | Normal bacteria that have lost their cell wall | Separate group of bacteria |
Sensitivity to Osmotic Shock | Sensitive | Less sensitive |
Shape | Variable | Spherical |
Sterols in Membrane | None | Present, contributing to durability |
Antibiotic Sensitivity | Not sensitive to certain antibiotics | Sensitive to tetracyclines, macrolides, and newer quinolones |
Both L-form bacteria and Mycoplasma are pleomorphic, meaning they can change their morphology and lack peptidoglycan in their cell membranes. They are also both sensitive to osmotic shock.
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