Definition of lysin in English:

lysin

noun

Biology
  • An antibody or other substance able to cause lysis of cells (especially bacteria)

    • ‘He and his colleagues began working with a phage that infects the anthrax bacterium almost exclusively and identified the gene encoding its lysin.’
    • ‘The investigators derived the protoplasts from GAS by treating the GAS with phage lysin (described below) in a hypertonic medium, to prevent lysis.’
    • ‘Solubilization of the cell wall with phage lysin also yielded a large M-protein molecule.’
    • ‘Such was the case for lysin and an 18-kDa protein in abalone.’
    • ‘The ancestral lysin proteins may be useful for future laboratory studies.’

Origin

Early 20th century: from German Lysine.

Pronunciation:

lysin

/ˈlīsn/