Genome of Clostridium botulinum reveals the background to world's deadliest toxin

The genome of the organism that produces the world’s most lethal toxin is revealed today. This toxin is the one real weapon in the genome of Clostridium botulinum and less than 2 kg — the weight of two bags of sugar — is enough to kill every person on the planet. Very small amounts of the same toxin are used in medical treatments, one of which is known as Botox®.