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Posts Tagged "gram positive"

The Artful Amoeba

The Dark Bacillus Crystal


In this photograph are elegant, microscopic agents of death. They are crystals made not of minerals, but of protein, and are found not in vugs, but in guts. Bug guts. They are Cry protein crystals made by the bacterium Bacillus thuringiensis. You may know them better as Bt toxin. Bt toxin has gotten a lot [...]

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End of the Antibiotic Age: You’ve Been Warned

pills spilling out of a bottle

Widespread antibiotic resistance is no longer a potential problem but has become a major threat, according to the World Health Organization. This news comes as no surprise to the Scientific American community, thanks to Maryn McKenna‘s prescient feature article “The Enemy Within,” which ran three years ago in the April 2011 issue. Naturally, you’ll think [...]

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