The lifespan of Xenopus laevis is presented in unprecedented detail using high-quality X-ray microtomography images and 3D reconstructions to reveal embryonic development and metamorphosis processes ...

This is a preview. Log in through your library . Abstract The homotrimeric DNA replication protein proliferating cell nuclear antigen (PCNA) is regulated by both ubiquitylation and sumoylation. We ...

A cell nucleus reconstituted in vitro in Xenopus laevis (African clawed frog) egg extract. Left image shows a fluorescence image where DNA has been stained and right image shows a density map of the ...

Swarms of tiny living robots can self-replicate in a dish by pushing loose cells together. The xenobots – made from frog cells – are the first multicellular organisms found to reproduce in this way.

Cell Stress & Chaperones, Vol. 28, No. 5, Special Issue: Organisms in a Changing Environment (SEPTEMBER 2023), pp. 529-540 (12 pages) The unfolded protein response (UPR) is a wide-ranging cellular ...

Xenobots—living robots made from the stem cells of the African frog (Xenopus laevis)—had already impressed researchers by moving, healing themselves, and even spontaneously piling up debris that was ...

Husbandry staff set a goal to develop a health monitoring program for a Xenopus laevis colony that included not only specific pathogen freedom, but wellness. This article describes environmental ...

Yeah, it's the northern white rhino. There are only two left. They live in Kenya. They're alone in the world because humans have poached the species near extinction for their horns. SUSANNE HOLTZE: ...