What is another word for antibiotic resistance?

What is another word for antibiotic resistance?

Antibiotic resistance is a major concern of overuse of antibiotics. Also known as drug resistance.

What bacteria is resistant to penicillin?

Some bacteria have developed resistance to antibiotics that were once commonly used to treat them. For example, Staphylococcus aureus (‘golden staph’ or MRSA) and Neisseria gonorrhoeae (the cause of gonorrhoea) are now almost always resistant to benzyl penicillin.

What is penicillin resistant enterococcus?

All enterococci exhibit decreased susceptibility to penicillin and ampicillin, as well as high-level resistance to most cephalosporins and all semi-synthetic penicillins, as the result of expression of low-affinity penicillin-binding proteins.

What is the meaning of antibiotic resistance?

Antibiotic resistance happens when germs like bacteria and fungi develop the ability to defeat the drugs designed to kill them. That means the germs are not killed and continue to grow.

Why is E coli resistant to penicillin?

Certain strains of Gram-negative bacteria, like E. coli, can express fewer or mutated porin channels, making them resistant even to the broad-spectrum penicillins that are designed to penetrate better into Gram-negative bacteria.

How did bacteria become resistant to penicillin?

Ways that bacteria acquire resistance: Mutation – Through the process of cell replication, some bacteria develop mutations that makes them resistant to antibiotics. Bacteria with the resistant mutation have a better chance of survival against antibiotics.

How has penicillin become resistant?

Resistance of these strains was chromosomally-mediated, due to the emergence of mutations that modified the penicillin target PBP2 and expression of drug efflux pumps systems [35,36].

What are some bacterial infections that are resistant to penicillin?

Today, there is a growing number of bacterial infections that are either fully or partially resistant to the original penicillin drugs, including Neisseria gonorrhoeae (gonorrhea) and methicillin-resistant Staphylococcal aureus (MRSA). 2 

What are the advantages of penicillin over other penicillins?

These penicillins exhibit various improvements including resistance to stomach acids to allow oral administration, to pencillinase and an extended range of activity against gram (+) positive bacteria. It has been reported that most of the high yielding strains of P. chrysogenum are genetically unstable.

What is another name for antistaphylococcal penicillin?

The agents in this group are also known as the antistaphylococcal penicillins. The addition of an isoxazolyl side chain to the penicillin compound protects the beta-lactam ring from acid hydrolysis by penicillinases produced by Staphylococcus sp. ( 150 ).

What is the difference between penicillin G and penicillin V?

The natural penicillins ( penicillin G and penicillin V) are only active against gram-positive bacteria (see below for an explanation). Penicillin V is more acid-resistant than penicillin G, which means it can be taken orally. Modern semi-synthetic penicillins include ampicillin,…