Microcosm in the Boston Globe: You Get Old, I Get Old…E. coli Gets Old

By Carl Zimmer | June 2, 2008 9:53 am

The French biologist Jacques Monod once famously said, “What is true for E. coli is true for the elephant.” At the time, he was referring to the universal rules of molecular biology–of DNA and proteins, for example, that are the same from one species to another. As scientists in the mid-1900s figured out the workings of E. coli, they were also figuring out the workings of life in general. In my new book Microcosm, I make the case that Monod’s words were more true than even he realized. In the Boston Globe today, I explain how scientists used to think that there was one big difference between E. coli and the elephant (and us)–we get old and E. coli doesn’t. But now it turns out that E. coli was not immortal after all. And that discovery means that E. coli may help reveal secrets about Alzheimer’s disease and other burdens of old age. Read it here.

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Comments (2)

  1. Ian

    You’ve discovered the true origin of the flagellum! As bacteria aged, they needed support to get around so they grew the flagellum as a walking stick. Everything else, as they say, is history!

  2. In your article you wrote “In 2003, scientists found a species of bacteria that also got old. Known as Caulobacter crescentus, it also reproduces by budding”

    Not to be too pedantic, but it would be truer to say “In 2003 scientists found *that* a species of bacteria also got old” — Caulobacter crescentus itself was found much earlier than that — Lucy Shapiro, among others, has been working on C. crescentus for decades.

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The Loom

A blog about life, past and future. Written by DISCOVER contributing editor and columnist Carl Zimmer.

About Carl Zimmer

Carl Zimmer writes about science regularly for The New York Times and magazines such as DISCOVER, which also hosts his blog, The LoomHe is the author of 12 books, the most recent of which is Science Ink: Tattoos of the Science Obsessed.

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