Microbes

  1. Microbes

    Viruses buoy life at hydrothermal vents

    Using hijacked genes, deep-sea viruses help sulfur-eating bacteria generate power in the plumes of hydrothermal vents.

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  2. Genetics

    E. coli’s mutation rate linked to cells’ crosstalk

    When E. coli cells are in smaller crowds, their genes mutate at an increased rate.

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  3. Climate

    Glacial microbes gobble methane

    While some bacteria produce methane in Greenland’s melting ice sheet, others may consume the greenhouse gas as it escapes.

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  4. Animals

    Scent of a fruit fly larva comes from its gut microbes

    Microbes in the guts of fly larvae produce smells that attract fruit flies.

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  5. Microbes

    One giant leap for zit-causing microbes

    A bacterium that lives on humans and causes acne also hopped to domesticated grapevines and relies on the plant for crucial DNA repairs.

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  6. Health & Medicine

    Triclosan aids nasal invasions by staph

    The antimicrobial compound triclosan, commonly found in soaps and toothpaste, may help Staphylococcus aureus stick around.

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  7. Climate

    Ocean bacteria may have shut off ancient global warming

    Ocean-dwelling bacteria may have helped end global warming 56 million years ago by gobbling up carbon from the CO2-laden atmosphere.

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  8. Life

    Amoebas’ munching may cause diarrheal disease

    Amoebas biting and swallowing pieces of human cells may be what causes amebic dysentery, a potentially fatal diarrheal disease in the developing world.

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  9. Genetics

    Feedback

    Readers ask about Neandertal genes and electricity-generating spores and react to a fusion milestone.

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  10. Paleontology

    Microbes indicted in ancient mass extinction

    About 252 million years ago an estimated 96 percent of all species were wiped from Earth, and now scientists have a new suspect in the killing — methane-belching microbes.

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  11. Microbes

    Osmotroph

    An organism that eats by osmosis, relying on nutrients diffusing into its body from a higher concentration in its environment.

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  12. Health & Medicine

    Imbalance in gut bacteria may play role in Crohn’s disease

    Identifying the onset of Crohn’s disease may best be done by looking at bacteria in the cellular linings intestinal tissue.

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