They found that two forms of tweaking which were known to be common in our own cells are equally prevalent in this simple bacterium. Called phosphorylation and lysine acetylation, these two types of post-translational modification also talk to and interfere with each other: the scientists found that disrupting one can cause changes in the other. Since M. pneumoniae is one of the living organisms with the fewest different proteins, this interplay between phosphorylation and lysine acetylation may be a way of getting additional functions out of a limited number of proteins: by tweaking each protein in several ways, enabling it to perform a variety of tasks.And, as more complex cells like our own share the same protein-tweaking tactics, it is probably an ancient strategy that evolved before our branch of the evolutionary tree and M.pneumoniae’s branched their separate ways.
Sonia Furtado Neves | EMBL Research News
BigH1 -- The key histone for male fertility
14.12.2017 | Institute for Research in Biomedicine (IRB Barcelona)
Guardians of the Gate
14.12.2017 | Max-Planck-Institut für Biochemie
MPQ scientists achieve long storage times for photonic quantum bits which break the lower bound for direct teleportation in a global quantum network.
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The miniaturization of the current technology of storage media is hindered by fundamental limits of quantum mechanics. A new approach consists in using so-called spin-crossover molecules as the smallest possible storage unit. Similar to normal hard drives, these special molecules can save information via their magnetic state. A research team from Kiel University has now managed to successfully place a new class of spin-crossover molecules onto a surface and to improve the molecule’s storage capacity. The storage density of conventional hard drives could therefore theoretically be increased by more than one hundred fold. The study has been published in the scientific journal Nano Letters.
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With innovative experiments, researchers at the Helmholtz-Zentrums Geesthacht and the Technical University Hamburg unravel why tiny metallic structures are extremely strong
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