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tag stem cells disease medicine cell molecular biology microbiology evolution

DNA molecule.
Finding DNA Tags in AAV Stacks
Mariella Bodemeier Loayza Careaga, PhD | Mar 7, 2024 | 8 min read
Ten years ago, scientists put DNA barcodes in AAV vectors, creating an approach that simplified, expedited, and streamlined AAV screening. 
bacteria and DNA molecules on a purple background.
Engineering the Microbiome: CRISPR Leads the Way
Mariella Bodemeier Loayza Careaga, PhD | Mar 15, 2024 | 10+ min read
Scientists have genetically modified isolated microbes for decades. Now, using CRISPR, they intend to target entire microbiomes.
Whither Cell Biology?
Richard Hynes | Dec 10, 2000 | 6 min read
Illustration: A. Canamucio Cell biology has become the third overlapping core discipline of modern biology, along with biochemistry and genetics. Progress over the century--since E.B. Wilson's classic book1 elegantly framed many of the questions of cell biology--has relied on advances in technology and yielded fascinating insights into the ways that cells work. We now have an unprecedented understanding of the structure, organization, and functions of cells. As the number of completed ge
Combating COVID-19 with Cell-Free Expression
The Scientist | Aug 19, 2020 | 6 min read
Scientists rely on synthetic biology and cell-free expression systems for developing novel approaches to combat the pandemic.
A person lying on a bed checks the reading on a digital thermometer. A table with a bowl of oranges and various medications is in the background.
How Mild Is Omicron Really?
Dan Robitzski | Jan 14, 2022 | 9 min read
Early reports that Omicron causes less-severe disease than Delta seem to be borne out, but it’s not yet clear to what extent that’s due to the variant itself versus the populations it’s infecting.
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.
a spiny mouse sits on a piece of wood holding a small morsel to its mouth
Spiny Mice Appear to Regenerate Damaged Kidneys
Dan Robitzski | Nov 3, 2021 | 5 min read
The mice, already known to regenerate skin, seem to avoid the tissue scarring that leads to organ failure in other animals.
Stem Cell Discoveries Stir Debate
Douglas Steinberg | Nov 12, 2000 | 9 min read
Editor's Note: This is the first of two articles on questions raised by recent stem cell discoveries. The second article, focusing on various organs and the nervous system, will appear in the Nov. 27 issue of The Scientist. Researchers first isolated embryonic stem cells (ESCs) from mouse blastocysts almost 20 years ago, and a paper announcing the discovery of human ESCs emerged in 1998. Adult-derived stem cells (ASCs) have since become the rage in certain quarters of biology, with unexpected--
Are Phages Overlooked Mediators of Health and Disease?
Catherine Offord | Feb 1, 2021 | 10+ min read
Bacteria-infecting viruses affect the composition and behavior of microbes in the mammalian gut—and perhaps influence human biology.
How Groups of Cells Cooperate to Build Organs and Organisms
Michael Levin | Sep 1, 2020 | 10+ min read
Understanding biology’s software—the rules that enable great plasticity in how cell collectives generate reliable anatomies—is key to advancing tissue engineering and regenerative medicine.

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