Genetics

More Stories in Genetics

  1. pink flower on a cotton plant in the Yucatan Peninsula
    Plants

    Modified genes can distort wild cotton’s interactions with insects

    In a Yucatan nature park, engineered genes influence nectar production, affecting ants’ and maybe pollinators’ attraction to the wild cotton plants.

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  2. A tuatara, which looks like a spiny lizard
    Genetics

    Lizard-like tuatara carry two distinct mitochondrial genomes

    Having two mitochondrial genetic instruction books, a first for vertebrates, may help explain tuatara’s unique ability to tolerate cold temperatures.

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  3. twin girls
    Genetics

    Some identical twins don’t have identical DNA

    Mutations arising early in development may account for genetic differences between identical twins.

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  4. Lake Baikal
    Genetics

    Plague may have caused die-offs of ancient Siberians

    DNA suggests that the deadly bacterium that causes the plague reached northeast Asia by 4,400 years ago.

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  5. Black-legged tick
    Health & Medicine

    How some ticks protect themselves from deadly bacteria on human skin

    A gene that ticks acquired from bacteria 40 million years ago may help the arachnids keep potential pathogens at bay while feeding on blood.

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  6. heterochromatin
    Genetics

    A key to the mystery of fast-evolving genes was found in ‘junk DNA’

    A new study challenges a long-held belief that essential genes change little over time.

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  7. Penicillin allergy medic-alert bracelet
    Genetics

    Penicillin allergies may be linked to one immune system gene

    Researchers have located a shared hot spot — on the HLA-B gene — in the immune system in people who say they have penicillin allergies.

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  8. Plasmodium falciparum
    Microbes

    How malaria parasites hide from the human immune system

    By turning genes on or off, the parasite keeps blood levels low but persistent, so infection doesn’t set off alarm bells for the immune system.

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  9. illustrated representation of the gene editing tool CRISPR/Cas9
    Genetics

    Gene-editing tool CRISPR wins the chemistry Nobel

    A gene-editing tool developed just eight years ago that has “revolutionized the life sciences” nabbed the 2020 Nobel Prize in chemistry.

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