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2. Beta-lactam antibiotics - Wikipedia

   en.wikipedia.org/wiki/Beta-lactam_antibiotics

   β-lactam antibiotics (beta-lactam antibiotics) are antibiotics that contain a beta-lactam ring in their chemical structure. This includes penicillin derivatives (penams), cephalosporins and cephamycins (cephems), monobactams, carbapenems [1] and carbacephems. [2] Most β-lactam antibiotics work by inhibiting cell wall biosynthesis in the ...

3. List of β-lactam antibiotics - Wikipedia

   en.wikipedia.org/wiki/List_of_β-lactam_antibiotics

   The β-lactam core structures. (A) A penam.(B) A carbapenam.(C) An oxapenam.(D) A penem.(E) A carbapenem.(F) A monobactam.(G) A cephem.(H) A carbacephem.(I) An oxacephem. This is a list of common β-lactam antibiotics—both administered drugs and those not in clinical use—organized by structural class.

4. Cefalexin - Wikipedia

   en.wikipedia.org/wiki/Cefalexin

   Cefalexin. Cefalexin, also spelled cephalexin, is an antibiotic that can treat a number of bacterial infections. [4] It kills gram-positive and some gram-negative bacteria by disrupting the growth of the bacterial cell wall. [4] Cefalexin is a β-lactam antibiotic within the class of first-generation cephalosporins. [4]

5. Penicillin-binding proteins - Wikipedia

   en.wikipedia.org/wiki/Penicillin-binding_proteins

   Penicillin-binding proteins (PBP s) are a group of proteins that are characterized by their affinity for and binding of penicillin. They are a normal constituent of many bacteria; the name just reflects the way by which the protein was discovered. All β-lactam antibiotics (except for tabtoxinine-β-lactam, which inhibits glutamine synthetase ...

6. Prebiotic (nutrition) - Wikipedia

   en.wikipedia.org/wiki/Prebiotic_(nutrition)

   Prebiotic (nutrition) Prebiotics are compounds in food that foster growth or activity of beneficial microorganisms such as bacteria and fungi. [1] The most common environment concerning their effects on human health is the gastrointestinal tract, where prebiotics can alter the composition of organisms in the gut microbiome.

7. Antibiotic - Wikipedia

   en.wikipedia.org/wiki/Antibiotic

   Legal status. In Wikidata. An antibiotic is a type of antimicrobial substance active against bacteria. It is the most important type of antibacterial agent for fighting bacterial infections, and antibiotic medications are widely used in the treatment and prevention of such infections. [1][2] They may either kill or inhibit the growth of bacteria.