Pseudomonas aeruginosa is notorious for causing disease across vast taxonomic terrain (insects, worms, vertebrates, plants). Which viruses have a comparably wide host range?
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Talmudic Question #22
Archaeal Ninjas
by Elio
We confess to having missed a report of one of the microbial world's most unusual structures. These are pili-like filaments located on an archaeon that look for all the world like strands of barbed wire with a three-pronged grappling hook at the end. The article appeared in 2005 and has not had any follow-up that we could find.
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Microbiological Thoughts from 1868
by Elio
"A particle of small-pox matter, so minute as to be borne by the wind, must multiply itself many thousandfold in a person thus inoculated; and so with the contagious matter of scarlet fever..."
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