organism

Age is just a number: the ‘epigenetic clock’ of immune cells ticks independently of the lifespan of the organism

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Cartoon summary of experiential age-related DNA methylation programs delineating longevity versus malignancy among T cells. Credit: Nature aging (2024). DOI: 10.1038/s43587-024-00649-5 While most cell types experience functional decline after years of proliferation and replication, T cells can proliferate seemingly indefinitely and without damage. Scientists from St. Jude Children’s Research Hospital and the University of Minnesota … Read more

Unlocking the Genetic Giant: Tiny Fern has the largest genome of any organism on Earth

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SciTechDaily

Researchers have identified it Tmesipteris oblanceolataa fern from New Caledonia, which has the largest recorded genome, surpassing the previous record holder Paris japonica. This discovery, described in the iScience magazine, reveals that this fern contains more than 50 times more DNA than humans and highlights the significant implications that larger genomes have for plant biology … Read more