Name a major structural adhesion factor used by oral bacteria to attach to surfaces and other microbes?

Name a major structural adhesion factor used by oral bacteria to attach to surfaces and other microbes?

• A. Fimbriae (pili) or adhesins on the bacterial surface
• B. Flagella
• C. Capsule
• D. Endotoxin

Answer: (A)

The main idea being tested is how oral bacteria attach to surfaces and to each other. The primary structural adhesion factor in this context is fimbriae (pili) or other adhesins on the bacterial surface. These hair-like projections extend from the cell and display adhesion proteins that specifically bind to components in the salivary pellicle on tooth surfaces or to receptors on neighboring bacteria. This binding anchors the cells and enables the initial colonization that leads to dental plaque formation, providing the scaffold for a mature biofilm. Other features play different roles but aren’t the principal adhesion machinery. The capsule can influence surface properties and may affect adhesion indirectly, but it’s not the main structural anchor for attaching to surfaces or microbes. Endotoxin is involved in immune activation rather than adherence. Flagella mainly drive movement and exploration; they facilitate reaching surfaces but are not the key structural adhesins that mediate stable attachment.

The main idea being tested is how oral bacteria attach to surfaces and to each other. The primary structural adhesion factor in this context is fimbriae (pili) or other adhesins on the bacterial surface. These hair-like projections extend from the cell and display adhesion proteins that specifically bind to components in the salivary pellicle on tooth surfaces or to receptors on neighboring bacteria. This binding anchors the cells and enables the initial colonization that leads to dental plaque formation, providing the scaffold for a mature biofilm.

Other features play different roles but aren’t the principal adhesion machinery. The capsule can influence surface properties and may affect adhesion indirectly, but it’s not the main structural anchor for attaching to surfaces or microbes. Endotoxin is involved in immune activation rather than adherence. Flagella mainly drive movement and exploration; they facilitate reaching surfaces but are not the key structural adhesins that mediate stable attachment.