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Mitochondrial ribosome revealed
Date:1/23/2014

erefore is in an unusual state, to which the mitochondria probably also contribute. Ban makes clear, however, that no application-related questions are currently being addressed. "The structure of this ribosome provides an important foundation on which other researchers can build," he says. The published work was supported by the National Center of Competence in Research (NCCR) Structural Biology of the Swiss National Fund.

Mitochondria the power plants of the cell

Mitochondria originated at the beginning of the evolution of higher organisms (eukaryotes). More than a billion years ago, host cells probably 'swallowed' simple bacteria, which over the course of time developed into mitochondria inside their hosts. They therefore have a 'life of their own', with their own genetic material and the molecular machinery to translate the genetic code into proteins. Energy is converted in the mitochondria and stored in the form of high-energy chemical compounds that are available to the cell for all vital processes. However, mitochondria are not only energy suppliers, but also play an important role in multicellular organisms during apoptosis, programmed cell death, which allows defective cells to be eliminated efficiently.


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Contact: Nenad Ban
ban@mol.biol.ethz.ch
41-446-332-785
ETH Zurich
Source:Eurekalert

Page: 1 2 3 4

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