Key Highlights
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A landmark 1985 study discovered that retroviruses can use a trick called “programmed ribosomal frameshifting” to make multiple proteins from a single set of genetic instructions. This finding later inspired scientists to search for and find the same phenomenon in more complex animals like vertebrates, revealing a fundamental way cells can expand their genetic toolkit.
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Researchers have created a new dynamic benchmark for testing how well computer programs predict how drugs bind to proteins, moving beyond static snapshots to better reflect real biological conditions. This tool, called DynaBench, will help improve the accuracy of drug discovery and the design of new medicines.
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Scientists have uncovered a new quality control system in fungal cells that helps rejuvenate a key cellular structure called the nucleolus after stress. This chaperone-mediated segregation acts like a cellular janitor, sorting damaged parts from new ones during cell division, which is crucial for maintaining health in complex, multi-nucleated cells.
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A cellular complex called PP2A-B55α can switch the method used to break down the powerful cancer-related protein c-Myc, resolving a long-standing paradox in tumor biology. This discovery reveals a critical regulatory switch that cancer cells might exploit, opening new avenues for targeted therapies.
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New parasites within the Leishmania family, classified in the subgenus Mundinia, are emerging as causes of disease and are changing our understanding of how these infections spread and manifest. Studying these mysterious pathogens is crucial for developing better diagnostics and treatments for leishmaniases, a group of neglected tropical diseases.
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