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tag longevity genetics genomics

A fruit bat in the hands of a researcher
How an Early Warning Radar Could Prevent Future Pandemics
Amos Zeeberg, Undark | Feb 27, 2023 | 8 min read
Metagenomic sequencing can help detect unknown pathogens, but its widespread use faces challenges.
Top 10 Innovations 2021
2021 Top 10 Innovations
The Scientist | Dec 1, 2021 | 10+ min read
The COVID-19 pandemic is still with us. Biomedical innovation has rallied to address that pressing concern while continuing to tackle broader research challenges.
Long live the worm!
Jeff Perkel | Jun 29, 2005 | 1 min read
In tomorrow's (July 1) issue of Genes & Development, Siu Sylvia Lee, of the department of molecular biology and genetics at Cornell University in Ithaca, NY, and Gary Ruvkun, of the department of genetics at Harvard Medical School, report ?the first genome-wide functional genomic screen for longevity genes.? The two teams used a library of 16,475 RNA interference constructs (created by Julie Ahringer at the University of Cambridge, UK) to inactivate genes in the nematode, Caenorhabditis eleg
Top 7 in Immunology
Edyta Zielinska | Aug 2, 2011 | 3 min read
A snapshot of the most highly ranked articles in microbiology and related areas, from Faculty of 1000
Enzyme Role Found for Aging Gene
Jennifer Fisher Wilson | Nov 10, 2002 | 6 min read
Graphic: Courtesy of Shin-Ichiro Imai  SILENCE OF THE CHROMATIN: The Sir2 protein requires NAD for its enzymatic activity. It couples NAD breakdown to nicotinamide and ADP-ribose with the removal of acetyl groups from histone and other proteins. The acetyl moiety is transferred to ADP-ribose, which creates the chemical acetyl-ADP ribose. Deacetylated nucleosome are packed up to silenced chromatin structure and involved in silencing gene transcription. This Sir2 enzymatic activity links ene

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