What are the types of resistance to antimicrobials? - Intrinsic resistance: associated with natural resistance mechanisms of a certain genus or sp...
- Intrinsic resistance: associated with natural resistance mechanisms of a certain genus or species of bacteria to certain classes or antimicrobial drugs.
- Extrinsic resistance: acquired, resulting from the loss of the effect of previously adequate antimicrobials to cause the death of a given species or genus of bacteria. Acquired mechanisms arise from genetic mutations or acquisition of new resistance genes transmitted by other previously susceptible bacteria, mainly in response to selection pressure imposed on a bacterial population.
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The types of resistance to antimicrobials are: 1. Intrinsic resistance: This type of resistance is associated with natural resistance mechanisms that certain bacteria have to specific classes of antimicrobial drugs. It is inherent to the genus or species of bacteria and is not acquired through external factors. 2. Extrinsic resistance: This type of resistance is acquired and results from the loss of effectiveness of previously effective antimicrobial drugs against a specific species or genus of bacteria. It can occur due to genetic mutations or the acquisition of new resistance genes from other bacteria. Extrinsic resistance is mainly a response to the selection pressure imposed on a bacterial population. I hope this helps! Let me know if you have any other questions.
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