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Pinpointing how antibiotics work

Penicillin and other antibiotics have revolutionized medicine, turning once-deadly diseases into easily treatable ailments. However, while antibiotics have been in use for more than 70 years, the exact mechanism by which ...

dateApr 20, 2012 in Cell & Microbiology
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Immunoproteasome crystal structure determined

Like a shredder, the immunoproteasome cuts down proteins into peptides that are subsequently presented on the cellular surface. The immune system can distinguish between self and nonself peptides and selectively kills cells ...

dateFeb 16, 2012 in Biochemistry
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Bits of life, drop by drop

( -- Swiss scientists are working on creating artificial living tissues using a very special kind of inkjet printer. Still in its initial stages, this technology could nonetheless soon provide biological samples ...

dateJan 16, 2012 in Biotechnology
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No more free rides for 'piggy-backing' viruses

Scientists have determined the structure of the enzyme endomannosidase, significantly advancing our understanding of how a group of devastating human viruses including HIV and Hepatitis C hijack human enzymes to reproduce ...

dateJan 04, 2012 in Biochemistry
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