Write the various steps in the establishment of bacterial infection.

Question

22 Jan 2025

Answer :

Word Count : 562

The establishment of bacterial infection is a multifaceted process that involves the interaction between a pathogen and the host's immune defenses. The steps in this process include:

1. Entry into the Host
Bacteria gain access to the host through various portals of entry, such as the respiratory tract (e.g., inhalation of airborne pathogens), gastrointestinal tract (e.g., ingestion of contaminated food or water), urogenital tract, skin breaches (e.g., cuts or wounds), or via vector transmission (e.g., insect bites).

2. Adherence to Host Cells
Once inside the host, bacteria must adhere to specific cells or tissues to avoid being eliminated. This adherence is mediated by bacterial adhesins, such as pili, fimbriae, or surface proteins, which bind to complementary host cell receptors like glycoproteins or glycolipids. The specificity of this binding determines the tissue tropism of the __________ __________ _______ ______ _____ _______ _____ _________ _____ __________ __________.
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