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tag double helix cell molecular biology evolution

Different colored cartoon viruses entering holes in a cartoon of a human brain.
A Journey Into the Brain
Danielle Gerhard, PhD | Mar 22, 2024 | 10+ min read
With the help of directed evolution, scientists inch closer to developing viral vectors that can cross the human blood-brain barrier to deliver gene therapy.
Renowned Molecular Biologist Dies
Kerry Grens | May 6, 2015 | 2 min read
Alexander Rich, discoverer of Z-DNA, the RNA-DNA double helix, and the structure of collagen, has passed away at age 90.
A bat flying in a dark cave
Turning on the Bat Signal
Hannah Thomasy, PhD | Mar 15, 2024 | 10+ min read
Scientists around the world investigate how bat immune systems cope with viral attacks and how this information could be used to keep humans safe.
Seeing Double
Nicholette Zeliadt | Nov 1, 2013 | 7 min read
Combining two imaging techniques integrates molecular specificity with nanometer-scale resolution.
 
One Protein to Rule Them All
Shelby Bradford, PhD | Feb 28, 2024 | 10+ min read
p53 is possibly the most important protein for maintaining cellular function. Losing it is synonymous with cancer.
Fifty Years with Double-Stranded RNA
Alexander Rich | Dec 1, 2006 | 10 min read
Fifty Years with Double-Stranded RNA Courtesy of Alexander Rich The scientist who discovered hybridization and the "other" double helix describes what it meant to biology. By Alexander Rich ARTICLE EXTRAS An interactive look at original documents with commentary: The discovery of the dsRNA helix, 1956 Predictions on the regulatory potential of dsRNA, 1961 RNA Timeline: A History in Hybridization and StructurePodcast: Alex Rich discusses th
DNA’s Coding Power Doubled
Ruth Williams | Feb 21, 2019 | 3 min read
All life on Earth uses a genetic code based on four nucleotides. Now, scientists have created one with eight.
The structure of a biological cell (macro)
The Long and Winding Road to Eukaryotic Cells
Amanda Heidt | Oct 17, 2022 | 10+ min read
Despite recent advances in the study of eukaryogenesis, much remains unresolved about the origin and evolution of the most complex domain of life.
3D structural model of a Cas protein and sgRNA targeting and unwinding DNA for gene editing.
CRISPR Gene Editing: Cas9 and Beyond
Johanna Pruller, PhD and Deanna MacNeil, PhD | Nov 29, 2023 | 7 min read
Researchers create and improve CRISPR-Cas mediated gene editing technologies based on prokaryotic CRISPR systems and eukaryotic DNA repair mechanisms.
A nude (hairless) mouse, typically used in biomedical and drug discovery research methods that rely on immunodeficient mouse strains.
Brush Up: Humanized Mice: More than the Sum of Their Parts
Deanna MacNeil, PhD | Aug 31, 2022 | 5 min read
Scientists study human health in vivo with modified mice that molecularly mimic human biology.

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