(Phys.org) —Streptomycin was the first antibiotic developed to treat tuberculosis yet until recently, scientists did not completely understand how it works at the molecular level. They knew that streptomycin blocks a critical ...
Biochemistry
Sep 6, 2013
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An analysis of enzymes that load amino acids onto transfer RNAs—an operation at the heart of protein translation—offers new insights into the evolutionary origins of the modern genetic code, researchers report. Their ...
Biotechnology
Aug 26, 2013
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Researchers from the Gene and Stem Cell Therapy Program at Sydney's Centenary Institute have confirmed that, far from being "junk", the 97 per cent of human DNA that does not encode instructions for making proteins can play ...
Cell & Microbiology
Aug 2, 2013
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Proteins are typically encoded by linear strands of messenger RNA (mRNA). These mRNA molecules are translated into polypeptide chains by ribosomes, with each ribosomal read-through of the mRNA generating a single, discrete ...
Biochemistry
Jul 12, 2013
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New research results from Uppsala University, Sweden, show that the key to treating neurodegenerative prion diseases such as mad cow disease and Creutzfeldt-Jakob disease may lie in the ribosome, the protein synthesis machinery ...
Biochemistry
Jul 2, 2013
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(Phys.org) —The inner workings of a cell involve hundreds of thousands of discrete molecules, engaged in a repeating cycle of interactions that sustain life.
Cell & Microbiology
Jul 2, 2013
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Synthetic biology researchers at Northwestern University, working with partners at Harvard Medical School, have for the first time synthesized ribosomes—cell structures responsible for generating all proteins and enzymes ...
Cell & Microbiology
Jun 29, 2013
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(Phys.org) —This may look like a tangle of squiggly lines, but you're actually looking at a molecular machine called a ribosome. Its job is to translate DNA sequences into proteins, the workhorse compounds that sustain ...
Cell & Microbiology
Jun 28, 2013
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Scientists at the University of California, Santa Cruz, have trapped the ribosome, a protein-building molecular machine essential to all life, in a key transitional state that has long eluded researchers. Now, for the first ...
Cell & Microbiology
Jun 27, 2013
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Because of their central importance to biology, proteins have been the focus of intense research, particularly the manner in which they are produced from genetically coded templates—a process commonly known as translation. ...
Biotechnology
Jun 16, 2013
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