Illustration of pseudostratified epithelial cells in early intestine, cells in red and nucleus in purple.
Move Over Apoptosis: Another Form of Cell Death May Occur in the Gut
Though scientists don’t yet know much about it, a newly described process called erebosis might have profound implications for how the gut maintains itself.
ABOVE: © iStock.com, Dr_Microbe
Move Over Apoptosis: Another Form of Cell Death May Occur in the Gut
Move Over Apoptosis: Another Form of Cell Death May Occur in the Gut

Though scientists don’t yet know much about it, a newly described process called erebosis might have profound implications for how the gut maintains itself.

Though scientists don’t yet know much about it, a newly described process called erebosis might have profound implications for how the gut maintains itself.

ABOVE: © iStock.com, Dr_Microbe

DNA

Dogs of various breeds running in the field.
They’re All (Potentially) Good Dogs
Natalia Mesa | Apr 29, 2022
Research finds that a dog’s behavior has little to do with its genes.
Illustration of a meteorite shower heading for Earth
All RNA and DNA Base Types Are Found in Meteorites, Study Claims
Catherine Offord | Apr 27, 2022
The discovery could add weight to the hypothesis that the building blocks of life on Earth originally came from space, but some scientists note the possibility of contamination.
Technique Talk: Purifying Plant-Based Endogenous Biomolecules
Technique Talk: Purifying Plant-Based Endogenous Biomolecules
The Scientist Creative Services Team | May 5, 2022
Learn how reagents affect plant nucleic acids and jeopardize downstream PCR work.
illustration of a mitochondrian inside a cell
Could Dad’s Mitochondrial DNA Benefit Hybrids?
Alejandra Manjarrez | Jan 20, 2022
Studies have found that organisms can inherit mitochondria from male parents in rare instances, and both theoretical and experimental work hint that this biparental inheritance is more than just a fluke.
chemical visualization of a G-quadruplex
Strange DNA Structures Linked to Cancer
Sophie Fessl | Jan 19, 2022
A study reveals a connection between the loss of enzymes responsible for removing methyl groups from DNA, nucleic acid knots, and cancer development in mice.
Millipore stock
Viral Nucleic Acid Purification in a Single Spin
The Scientist Creative Services Team, MilliporeSigma | Apr 6, 2022
A simple nucleic acid extraction approach quickly purifies genomic viral RNA and DNA while minimizing cross-contamination risks.
DNA cell on scientific background
Mechanism of a Genome Packaging Machine Discovered
Ruth Williams | Jan 17, 2022
Detailed analyses of cohesin’s movements indicate how this protein complex hauls chromatin fibers to package DNA into loops.
The hinge region of cohesin pulls DNA to two head regions, like a person’s hand-to-hand motion of pulling on a rope.
Infographic: How Genome-Packaging Protein Cohesin Handles DNA
Ruth Williams | Jan 17, 2022
The hinge region of cohesin pulls DNA to two head regions, like a person’s hand-to-hand motion of pulling on a rope.
Quick and Reliable Plant DNA Extraction
Quick and Reliable Plant DNA Extraction
MilliporeSigma | Dec 22, 2021
An innovative, environmentally-friendly spin kit maximizes DNA isolation.
mummy
Scratchy Scalps Help Glue Together Pieces of an Ancient Past
Chloe Tenn | Dec 29, 2021
Scientists find human DNA preserved in lice cement from the heads of South American mummies.
An electron microscopy image of a cell with the nucleolus shown in blue, chromatin in green, and nuclear envelope in red
Aging in Mice Linked to Misexpression of Class of Genes
Sophie Fessl | Dec 21, 2021
Genes lacking a particular structure known as CpG islands tend to go haywire in older cells, a study finds, potentially contributing to key facets of aging. But it’s not yet clear if the relationship is causal.
Technique Talk: Cell Transfection Techniques
Technique Talk: Cell Transfection Techniques
The Scientist Creative Services Team | Nov 2, 2021
Learn how to overcome common transfection challenges and optimize gene delivery.
man in black shirt looking at camera
Revolutionary Crystallographer Ned Seeman Dies at 75
Lisa Winter | Dec 20, 2021
Seeman is best known for establishing the field of DNA nanotechnology.
illustration of a broken DNA strand
DNA Damage Makes Zebrafish Sleepy
Sophie Fessl | Nov 18, 2021
Buildup of a DNA-repair protein in brain cells spurs shut-eye in the fish, a study finds, and similar results in mice suggest the mechanism is widespread in animals.
image-1
Taking PCRs to the Next Level to Maximize Throughput and Target Amplification
The Scientist Creative Services Team in collaboration with Eppendorf | Oct 1, 2021
Thermal cycler innovations allow researchers to determine optimal annealing and denaturation temperatures in a single PCR run.    
orange and blue cell image
Woman’s Body Appears to Rid Itself of HIV
Chloe Tenn | Nov 18, 2021
Researchers report what appears to be the second case of a person’s immune system clearing the virus on its own.
Conceptual image of gene expression in DNA
Enhancers: Conserved in Activity, Not in Sequence
Jack J. Lee | Nov 1, 2021
Certain stretches of DNA that regulate gene expression have evolved differently from protein-coding genes.
Uncovering Ancient Residual DNA
Uncovering Ancient Residual DNA
The Scientist Creative Services Team | Aug 27, 2021
A look at how ancient events crafted modern human DNA and their potential impact on human health.
Caudipteryx Dinosaur Flock stock photo
Paleontologists Find Possible Dinosaur DNA
Chloe Tenn | Oct 26, 2021
A report of preserved fragments of nuclei and chromatin in a fossilized femur of a 125-million-year-old Caudipteryx dinosaur elicits skepticism.