Stars have fascinated us since the beginning of history. For eons, mankind has looked to the heavens and wondered at the stars in the sky. Ancient people believed they could see shapes among the stars.
Beta-lactam antibiotics. Î²-Lactam antibiotics are the most widely used class of drugs for the treatment of bacterial infections and have been prescribed for over 70 years (Crowder, Spencer, & Vila, 2006; Daumann, Schenk, & Gahan, 2014; Page & Badarau, 2008; Phelan et al., 2014). From: Advances in Protein Chemistry and Structural Biology, 2014
Extended Spectrum Beta-Lactamases (ESBLs) are enzymes produced by bacteria such as Escherichia coli (E.coli) and Klebsiella. These are mainly bacteria that are found normally in the human bowel, but can cause serious illness. ESBLs can be resistance to a range of frequently used antibiotics including penicillinâs and cephalosporins.