A petrifying virus key to evolution
Scientists are constantly discovering new species.
Scientists are constantly discovering new species.
Evolution
Mar 26, 2019
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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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The ability to translate the genetic code into proteins is an essential step in all living organisms. A cornerstone of this molecular process is the ability of transfer RNA (tRNA) molecules to couple recognition of the genetic ...
Molecular & Computational biology
Oct 19, 2018
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29
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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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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The Y chromosome, which is found only in males, is difficult to decode even with the latest sequencing technologies. Among evolutionary biologists, the question as to which genes lie on the male sex chromosome and where they ...
Biotechnology
Oct 25, 2017
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A study from Massachusetts General Hospital (MGH) investigators has found a surprising role for what had been considered a nonfunctional "junk" RNA molecule: controlling the cellular response to stress. In their report in ...
Cell & Microbiology
Dec 15, 2016
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New research by scientists from the University of Chicago demonstrates that the enzyme ALKBH1 can remove molecular modifications from transfer RNA, causing a measurable effect on protein translation in the cell. The study, ...
Cell & Microbiology
Oct 13, 2016
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The structure of a bacterial RNA-binding protein has been determined in the act of modifying a molecule of RNA—an achievement that provides researchers with a unique view of the protein's function in action and could lead ...
Cell & Microbiology
Apr 21, 2016
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599
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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