Search Results for: Bacteria

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5,618 results

5,618 results for: Bacteria

  1. Plants

    Give and Take: Plant parasites dole out genes while stealing nutrients

    New evidence suggests that parasitic plants can transfer their own genes into host plants.

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  2. Tech

    Special Treatment: Fuel cell draws energy from waste

    Researchers have created a fuel cell that breaks down organic matter in wastewater and, in the process, generates small amounts of electricity.

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  3. Quite a Switch

    Cells use ribonucleic acids that bind to small molecules such as vitamins to control gene activity.

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  4. Sound Off

    By using bits of RNA to eliminate the effects of selected genes, scientists are developing new ways to study gene function and treat diseases.

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  5. Plants

    Rewriting the Nitrogen Story: Plant cycles nutrient forward and backward

    For the first time, a green plant has been found to break down nitrogen-containing compounds into the readily usable form of nitrates, a job usually done by microbes.

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  6. Health & Medicine

    Could refrigeration explain Crohn’s rise?

    Crohn's disease, marked by inflammation of the small intestine, could be caused by refrigeration of meats, a process that selects for hardy bacteria that handle cold temperatures well, researchers hypothesize.

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  7. Health & Medicine

    Viruses, but not bacteria, tied to mental decline

    Past infection by multiple common viruses may contribute to cognitive decline in some elderly people.

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  8. Animals

    Poison Source: Toxic birds may get chemical from beetle

    When some poisonous New Guinea birds eat certain tiny beetles, they may be stocking up on the toxic substance they use to defend themselves.

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  9. Earth

    Deep Squeeze: Experiments point to methane in Earth’s mantle

    Although today's fossil fuel reserves reside in Earth's crust, a new study suggests that hydrocarbon fuel might also nestle deep in the mantle, at depths of 100 kilometers or more.

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  10. Health & Medicine

    Compound in salsa kills off Salmonella

    Cilantro, one of the key ingredients of salsa, harbors an antibacterial compound that attacks Salmonella bacteria.

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  11. Earth

    Toxic cleanups get a boost

    Researchers have developed and field-tested a new technique that identifies specific soil microbes that can break down environmental pollutants.

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  12. Earth

    Two microbes team up to munch methane

    Aggregates of two different microorganisms in methane-bearing ocean sediments collected off the Oregon coast appear to collaborate to consume methane despite a lack of oxygen.

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