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ribosomeRibosom (ger.)

  • Each of numerous minute particles of RNA and associated proteins found in living cells, either free in the cytoplasm or attached to the endoplasmic reticulum, which bind messenger RNA and transfer RNA and act as the site of polypeptide and protein synthesis. (OED 2011)

    The phrase ‘microsomal particles’ does not seem adequate, and ‘ribonucleoprotein particles of the microsome fraction’ is much too awkward. During the meeting the word ‘ribosome’ was suggested […]. The present confusion would be eliminated if ‘ribosome’ were adopted to designate ribonucleoprotein particles in the size range 20 to 100 S.

    Roberts, R.B. (1958). Introduction. In: id. (ed.). Microsomal Particles and Protein Synthesis, vii-viii: viii.


    the term ribosome been suggested for the purified particles which are essentially free from lipid and other extraneous matter.

    McQuillen, K., Roberts, R.B. & Britten, R.J. (1959). Synthesis of nascent protein by ribosomes in Escherichia coli. Proc. Nat. Acad. Sci. USA 45, 1437-1447: 1437.