exotoxins


exotoxins
Toxins released from Gram positive and Gram negative bacteria - as opposed to endotoxins that form part of the cell wall. Examples are cholera, pertussis and diphtheria toxins. Usually specific and highly toxic.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • exotoxins — n. toxin released by a microorganism (Chemistry) …   English contemporary dictionary

  • bacteriocins — Exotoxins, often plasmid coded, produced by bacteria and which kill other bacteria (not eukaryotic cells). Colicins are produced by about 40% of E. coli strains: colicin E2 is a DNA ase, colicin E3 an RNA ase …   Dictionary of molecular biology

  • leucocidin — Exotoxins from staphylococcal and streptococcal species of bacteria that cause leucocyte killing or lysis. There are two subunits, S and F, each inactive alone but synergistically form a pore. Myeloid but not lymphoid cells are affected …   Dictionary of molecular biology

  • Exotoxin — An exotoxin is a soluble protein excreted by a microrganism, including bacteria, fungi, algae, and protozoa. An exotoxin can cause damage to the host by destroying cells or disrupting normal cellular metabolism. Both gram negative and gram… …   Wikipedia

  • poison — poisoner, n. poisonless, adj. poisonlessness, n. /poy zeuhn/, n. 1. a substance with an inherent property that tends to destroy life or impair health. 2. something harmful or pernicious, as to happiness or well being: the poison of slander. 3.… …   Universalium

  • Foodborne illness — Food safety Terms Foodborne illness Hazard Analysis and Critical Control Points (HACCP) …   Wikipedia

  • Staphylococcal scalded skin syndrome — | MeshID = D013206 Staphylococcal scalded skin syndrome, SSSS, also known as Pemphigus neonatorum or Ritter s disease, is a dermatological condition caused by Staphylococcus aureus . PathophysiologyThe syndrome is induced by 2 epidermolytic… …   Wikipedia

  • clostridial infection — ▪ pathology  any of several infectious conditions in animals and humans resulting from Clostridium species, bacteria that are found in soil and that enter the body via puncture wounds or contaminated food. These bacteria synthesize and release… …   Universalium

  • Clostridium — A group of anaerobic bacteria (bacteria that thrive in the absence of oxygen). There are 100+ species of Clostridium. They include, for examples, Clostridium difficile, Clostridium perfringens (also called Clostridium welchii), and Clostridium… …   Medical dictionary

  • exotoxin — A specific, soluble, antigenic, usually heat labile, injurious substance elaborated by certain Gram positive or Gram negative bacteria; it is formed within the cell, but is released into the environment where it is rapidly active in extremely… …   Medical dictionary


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.