A petrifying virus key to evolution
Scientists are constantly discovering new species.
Evolution
Mar 26, 2019
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Page 4 - News tagged with transfer rna
Related topics:
protein
· amino acids
A new mechanism helps explain differences between eukaryotic and bacterial proteomes
Why do distinct species have different proteins? Is there a key that allows eukaryotic cells to produce proteins involved in multicellularity that are mostly absent in prokaryotes? These are some of the questions addressed ...
Cell & Microbiology
Jan 14, 2019
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Cell mechanism regulating protein synthesis in stress conditions discovered
Genes must be expressed in precise levels and at the exact moment if the complex balance regulating cell activity is to be maintained. Messenger RNA (mRNA) conveys genetic information from DNA to ribosomes, where proteins ...
Cell & Microbiology
Sep 19, 2018
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Quality control is vital for the energy production of cells
Mitochondria generate most of the energy cells need through a respiratory chain for which they must produce their own proteins. The research group of Associate Professor Henna Tyynismaa, University of Helsinki, Finland, has ...
Biochemistry
Dec 12, 2017
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Ribosomal motor crucial part of cellular protein factory
The ribosome is the protein-making "factory" within cells responsible for knitting together amino acids into polypeptide chains that form proteins.
Cell & Microbiology
Jan 22, 2015
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Molecular structure reveals how the antibiotic streptomycin works
(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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Scientists engineer space-age molecules from nature's blueprints
The enzyme needed to introduce the key micronutrient selenium into bacteria looks something like a space station with 10 different docking stations.
Biochemistry
Apr 5, 2013
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Scientists show protein-making machinery can switch gears with a small structural change process
For the past several years, Min Guo, an assistant professor at The Scripps Research Institute, has focused on the intricate actions of an ancient family of catalytic enzymes that play a key role in translation, the process ...
Cell & Microbiology
Nov 15, 2012
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Software helps synthetic biologists customize protein production
A software program developed by a Penn State synthetic biologist could provide biotechnology companies with genetic plans to help them turn bacteria into molecular factories, capable of producing everything from biofuels ...
Biotechnology
Jul 21, 2011
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Working in concert
As cells go about the process of building new proteins, each amino acid gets delivered individually to the protein-synthesizing machinery of the ribosome by a specialized transfer RNA (tRNA) molecule. This process is generally ...
Cell & Microbiology
Dec 6, 2010
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