A photograph of a white mouse on some bathroom scales

Mice lacking this amino acid lost 30% of their body weight

But eliminating cysteine, which is found in high-protein foods, from human diets would be challenging.

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  • Conditional cysteine restriction in mice causes substantial weight loss, exceeding that seen with essential amino acid restriction, by activating the integrated stress and oxidative stress responses, and by unexpectedly depleting coenzyme A, leading to metabolic inefficiency.

    • Alan Varghese
    • Ivan Gusarov
    • Evgeny Nudler
    ArticleOpen Access
  • The discovery that DNA methylation of different CpG sites can serve as digital barcodes of clonal identity led to the development of EPI-Clone, an algorithm that enables single-cell lineage tracing through cellular differentiation at scale.

    • Michael Scherer
    • Indranil Singh
    • Lars Velten
    ArticleOpen Access
  • Gas distribution and motion patterns driven by a galactic bar of the J0107a dusty star-forming galaxy have analogues in local bars, indicating that similar processes of active star formation were already operating 11.1 billion years ago.

    • Shuo Huang
    • Ryohei Kawabe
    • Toshiki Saito
    Article
Donald Trump stands at a podium speaking into a microphone, holding up some paperwork.

How Trump 2.0 is reshaping science

Since US President Donald Trump took office in January 2025, his team has made major changes to the federal government that have disrupted research and research institutions in the United States and beyond.
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