Species of bacterium
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Clostridium sporogenes is a species of Gram-positive bacteria that belongs to the genus "Clostridium". Like other strains of "Clostridium", it is an anaerobic, rod-shaped bacterium that produces oval, subterminal endospores and is commonly found in soil. Unlike "Clostridium botulinum", it does not produce the botulinum neurotoxins. In colonized animals, it has a mutualistic rather than pathogenic interaction with the host.
It is being investigated as a way to deliver cancer-treating drugs to tumours in patients. "C. sporogenes" is often used as a surrogate for "C. botulinum" when testing the efficacy of commercial sterilisation.
"Clostridium sporogenes" colonizes the human gastrointestinal tract, but is only present in a subset of the population; in the intestine, it uses tryptophan to synthesize indole and subsequently 3-indolepropionic acid (IPA) – a type of auxin (plant hormone) – which serves as a potent neuroprotective antioxidant within the human body and brain. IPA is an even more potent scavenger of hydroxyl radicals than melatonin. Similar to melatonin but unlike other antioxidants, it scavenges radicals without subsequently generating reactive and pro-oxidant intermediate compounds. "C. sporogenes" is the only species of bacteria known to synthesize 3-indolepropionic acid "in vivo" at levels which are subsequently detectable in the blood stream of the host.
References.
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