leukocidin


leukocidin
A heat-labile substance that is elaborated by many strains of Staphylococcus aureus, Streptococcus pyogenes, and pneumococci and manifests a destructive action on leukocytes, with or without lysis of the cells. [leukocyte + L. caedo, to kill]

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leu·ko·ci·din or chiefly Brit leu·co·ci·din .lü-kə-'sīd-ən n a heat-stable substance (as that produced by some bacteria) capable of killing or destroying leukocytes

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leu·ko·ci·din (loo″ko-siґdin) [leuko- + L. caedere to kill] a substance toxic to leukocytes; specifically, an exotoxin produced by some pathogenic staphylococci and streptococci that destroys leukocytes by lysis of the cytoplasmic granules and is partially responsible for the pathogenicity of the organisms.

Medical dictionary. 2011.

Look at other dictionaries:

  • Leukocidin — A leukocidin is a type of cytotoxin created by some types of bacteria. It is a type of pore forming toxin. Leukocidins get their names by killing ( cide ) leukocytes. One type is Panton Valentine leukocidin.External links* * * …   Wikipedia

  • leukocidin — (loo ko si din) A microbial toxin that can damage or kill leukocytes …   Dictionary of microbiology

  • leukocidin — noun A type of cytotoxin created by some types of bacteria …   Wiktionary

  • leukocidin — n. substance which destroys white blood cells …   English contemporary dictionary

  • Panton-Valentine leukocidin — (PVL) is a cytotoxin mdash;one of the beta; pore forming toxins. The presence of PVL is associated with increased virulence of certain strains (isolates) of Staphylococcus aureus . It is present in the majoritycite web title= Community Associated …   Wikipedia

  • Neisser-Wechsberg leukocidin — a leukocidin produced by staphylococci that destroys rabbit but not human leukocytes; it is identical with alpha hemolysin …   Medical dictionary

  • Panton-Valentine (P-V) leukocidin — a leukocidin produced by staphylococci that destroys human and rabbit leukocytes by injuring the cell membrane, with subsequent cell degranulation; it is nonhemolytic …   Medical dictionary

  • Clumping-Faktor B — Leukocidin F Vorhandene Strukturdaten: 2lkf …   Deutsch Wikipedia

  • Clumping Faktor B — Leukocidin F Vorhandene Strukturdaten: 2lkf …   Deutsch Wikipedia

  • Clumpingfaktor B — Leukocidin F Vorhandene Strukturdaten: 2lkf …   Deutsch Wikipedia


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