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tag double helix evolution ecology cell molecular biology

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.
Researchers in George Church&rsquo;s lab modified wild type ADK proteins (left) in <em >E.coli</em>, furnishing them with an nonstandard amino acid (nsAA) meant to biocontain the resulting bacterial strain.
A Pioneer of The Multiplex Frontier
Rashmi Shivni, Drug Discovery News | May 20, 2023 | 10 min read
George Church is at it again, this time using multiplex gene editing to create virus-proof cells, improve organ transplant success, and protect elephants.
Evolution of science
Lauren Urban | May 1, 2010 | 4 min read
By Lauren Urban Evolution of science Science is made up of cliques. Throughout Alex Shneider’s career, he has noticed certain people drawn to certain types of science, and certain types of grant proposals always being funded. Shneider, the founder and CEO of Cure Lab, a vaccine biotech based in Massachusetts, came up with a theory to explain why these cliques occur. At first, it wasn’t too popular. Shneider concluded that a certain type
a microscope image of a rotifer
Bacterial Enzyme Keeps Rotifers’ Transposable Elements in Check
Christie Wilcox, PhD | Mar 3, 2022 | 5 min read
Jumping genes in bdelloid rotifers are tamped down by DNA methylation performed by an enzyme pilfered from bacteria roughly 60 million years ago, a study finds.
Nonradioactive Probes Protect Scientists And Environment
Holly Ahern | Apr 29, 1990 | 5 min read
For many years, geneticists determined the genetic makeup of organisms by examining the physical characteristics of their offspring. But with the discovery of the structure of the DNA double helix, first published by James D. Watson and Francis H.C. Crick in 1953 (Nature, 171:964-7), the science of genetics was forever changed. Scientists soon developed techniques to study the genetic message found in all living cells at the molecular level. One of most important of these methods was the use of
Week in Review: May 4–8
Tracy Vence | May 8, 2015 | 2 min read
“Missing link” microbe illuminates early archaea and eukaryote evolution; new pluripotent stem cell identified; comparative gene expression; editing human endothelial cells with CRISPR
The Genetics of Society
Claire Asher and Seirian Sumner | Jan 1, 2015 | 10 min read
Researchers aim to unravel the molecular mechanisms by which a single genotype gives rise to diverse castes in eusocial organisms.
Building Nanoscale Structures with DNA
Arun Richard Chandrasekaran | Jul 16, 2017 | 10+ min read
The versatility of geometric shapes made from the nucleic acid are proving useful in a wide variety of fields from molecular computation to biology to medicine.
Science Museums Exhibit Renewed Vigor
Christine Bahls | Mar 28, 2004 | 10+ min read
Erica P. JohnsonApreschool girl with black braids presses a finger to a disk that twists a brightly lit DNA model, transforming its ladder shape into a double helix. Her head bops from side to side in wonder as the towering DNA coils and straightens. When a bigger boy claims her place, the girl joins meandering moms and dads with their charges as they twist knobs, open flaps, and simply stare at flashing helixes and orange information boards: all a part of the museum exhibit called "Genome: The

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