Home › Words › P › pneumolysinpneumolysinpneumolysin means A putative virulence factor of the gram-positive bacteria Streptococcus pneumoniae. It has a range of biological activity, including the ability to lyse and interfere with the function of cells and soluble molecules of the immune system.EtymologyFrom pneumo- + lyse + -in.nounA putative virulence factor of the gram-positive bacteria Streptococcus pneumoniae. It has a range of biological activity, including the ability to lyse and interfere with the function of cells and soluble molecules of the immune system.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.pneumolysoid 70% match — Any of a group of recombinant mutant proteins related to pneumolysin. vs pneumolysin →pneumococcus 65% match — A gram-positive bacterium, Streptococcus pneumoniae, that causes pneumonia and other infectious diseases vs pneumolysin →pleurotolysin 61% match — A particular cytolysin vs pneumolysin →pneumolancidin 61% match — Any of a group of inhibitory lantibiotics produced by Streptococcus pneumoniae. vs pneumolysin →alveolysin 60% match — A hemolysin, similar to listeriolysin, produced by Bacillus alvei vs pneumolysin →pneumolysis 59% match — Synonym of pneumonolysis. vs pneumolysin →aeruginolysin 57% match — A proteinase formed by Pseudomonas aeruginosa vs pneumolysin →pneumocyclicin 57% match — A particular bacteriocin produced by the pneumococcus bacterium. vs pneumolysin →