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Stress

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  • RNA modification: Methylation and mopping up

    LMU researchers have discovered a novel type of chemical modification in bacterial RNAs. The modification is apparently attached to molecules only when cells are under stress, and is rapidly removed during recovery. Ribonucleic acid (RNA) is chemically closely related to the DNA that serves as the c more

  • Allergy sufferers are more susceptible to stress and tend to suppress emotions

    Do allergic and non-allergic individuals differ in their response to acute stress and in how they handle emotions? A research team led by Lisa Maria Glenk from the interuniversity Messerli Research Institute (a joint institution of Vetmeduni Vienna, MedUni Vienna and the University of Vienna) invest more

  • Stress in the Powerhouse of the Cell

    Cells need powerhouses known as mitochondria to utilize the energy stored in our food. Most of the proteins required for this powerhouse function are encoded in the nucleus and transported into the mitochondria after they have been synthesized in the cytosol. Signal sequences are needed to allow the more

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Videos Stress

Why Too Much Stress Is Bad For You

It’s supposed to help keep your body healthy in stressful situations. But the constant stress of our everyday lives means we’re getting overexposed to cortisol. Raychelle Burks, Ph.D. explains why too much cortisol is bad for you in the latest episode of the Reactions series "Get To Know A Molec ... more

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Infographics Stress

Tackling Stress and Anxiety with Chemistry

Christmas is meant to be a relaxing time spent with family, but gift-shopping and family dinners can sometimes pile on the stress over the holiday period. For others, anxiety is a year-round battle. more

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Definition

Oxidative stress

Oxidative stress Oxidative stress is caused by an imbalance between the production of reactive oxygen and a biological system's ability to readily detoxify the reactive intermediates or easily repair the resulting damage. All forms of life main ... more

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