Genetics

  1. gene mutations
    Genetics

    Almost all healthy people harbor patches of mutated cells

    Even healthy tissues can build up mutations, some of which have been tied to cancer.

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  2. modern African herders in Tanzania
    Anthropology

    Africa’s first herders spread pastoralism by mating with foragers

    DNA unveils long-ago hookups between early pastoralists and native hunter-gatherers in Africa.

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  3. mosquito research
    Health & Medicine

    A fungus weaponized with a spider toxin can kill malaria mosquitoes

    In controlled field experiments in Burkina Faso, a genetically engineered fungus reduced numbers of insecticide-resistant mosquitoes that can carry malaria.

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  4. resistant bacteria
    Life

    How bacteria nearly killed by antibiotics can recover — and gain resistance

    A pump protein can keep bacteria alive long enough for the microbes to develop antibiotic resistance.

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  5. chromosomes
    Genetics

    Key parts of a fruit fly’s genetic makeup have finally been decoded

    Jumping genes may make it possible to divvy up chromosomes.

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  6. Norwich terrier
    Animals

    Some dog breeds may have trouble breathing because of a mutated gene

    Norwich terriers don’t have flat snouts, but can suffer the same wheezing as bulldogs. It turns out that a gene mutation tied to swelling could be to blame.

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  7. pond snails
    Genetics

    Tweaking one gene with CRISPR switched the way a snail shell spirals

    The first gene-edited snails confirm which gene is responsible for the direction of the shell’s spiral.

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  8. 3D circular RNA
    Genetics

    A lack of circular RNAs may trigger lupus

    Researchers close in on how low levels of a kind of RNA may trigger lupus — offering hope for future treatments for the autoimmune disease.

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  9. an infected ocean alga called Alexandrium
    Genetics

    A marine parasite’s mitochondria lack DNA but still churn out energy

    Missing mitochondrial DNA inside a parasitic marine microbe turned up inside the organism’s nucleus.

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  10. woman stretching
    Genetics

    A genetic scorecard could predict your risk of being obese

    A genetic score predicts who is at risk of severe obesity, but experts say lifestyle matters more than genes.

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  11. tenofovir
    Genetics

    Some people may have genes that hamper a drug’s HIV protection

    Newly discovered genetic variants could explain why an anti-HIV medication doesn’t protect everyone.

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  12. newborn mice
    Genetics

    How chemical exposure early in life is ‘like a ticking time bomb’

    Some early life experiences can affect health, but only if unmasked by events in adulthood.

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