Routes to α-keto acids from amino acids. a) The conversion of an α-amino acid to an α-keto acid via transamination requires an additional α-keto acid; however, b) the β-elimination of
Routes to α-keto acids from amino acids. a) The conversion of an α-amino acid to an α-keto acid via transamination requires an additional α-keto acid; however, b) the β-elimination of
Wu F, Mu WC, Markov NT, Fuentealba M, Halaweh H, Senchyna F, Manwaring-Mueller MN, Winer DA, Furman D.Immunological biomarkers of aging.J Immunol. 2025 May 30;214(5):889-902. Review.Note: This article may be obtained
TRAPPIST-1 System contains multiple rocky planets in very tight orbits. In contrast, our solar system is much more expansive and has no planets inside the orbit of Mercury. — NASA
Lunar south pole areas of permanent shadow. NASA Video Previous models of microbial survival on the moon do not directly consider the permanently shadowed regions (PSRs). These regions shield their
Air eDNA is vacuumed up from Dublin using simple laboratory equipment and an air filter. — Nature Ecology & Evolution Editor’s note: with recent speculation about the potential habitability of
Rubisco form II structural differences between T. arctica UC1 and H. marinus. (A) AlphaFold-generated structures for H. marinus (transparent white) and T. arctica UC1 (dark blue) Rubisco form II dimers.
An example screenshot of the workflow and interface of Exogram EB vetting, enabling rapid image classification. — astro-ph.SR The Transiting Exoplanet Survey Satellite (TESS) has surveyed nearly the entire sky
The sample return capsule from NASA’s OSIRIS-REx mission is seen shortly after touching down in the desert, Sunday, Sept. 24, 2023, at the Department of Defense’s Utah Test and Training
Keith Cowing Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp veteran, (he/him) 🖖🏻 Follow on
TEM of H. meridiana. H. meridiana after 2 h treatment in control solutions (a, b), 1 M ammonia (c, d), and pH-matched yeast media (pH 10.78, e, f). Yellow arrows: