while another focuses exclusively on the hindbrain. This distinction is dictated by chromatin, the structural complex of DNA and proteins that governs gene expression. Even when these cells appear visually identical under a microscope, their chromatin...

discovery reach far beyond the California wilderness. Genetic markers found in I. cascadensis show striking similarities to DNA sequences recovered from other thermal zones, including sites in Yellowstone and New Zealand. Rappaport suggests that this...

that the organisms were grazing directly on the plastic surfaces. The “Pac-Man” Enzyme: A Dual-Purpose Tool By sequencing the DNA of the soil microbes, the team pinpointed a highly active gene encoding an enzyme they named long-chain polyester hydrolase...

Kurzweil explores a reality where such entities could be housed in cybernetically enhanced biological bodies grown from the DNA of the original person. This scenario forces a difficult question: does a perfect functional copy, created through AI and...

expansion of specific blood-cell lineages that has been linked to cardiovascular disease and certain cancers. By sequencing DNA from a small cohort of subjects, the team identified gene variants that appeared exclusively in the irradiated group. While...

of design software. The ability to design proteins in the context of their environment—accounting for interactions with DNA, RNA, and other small molecules—marks a pivot toward a more holistic approach to synthetic biology. As the field matures, this...

Hospital investigated how senescent, or aging, cancer cells shape their surrounding environment. As cells undergo stress or DNA damage, they enter an irreversible arrest and start secreting a potent cocktail of inflammatory factors known as the...

environmental exposures might act as a precursor to future illness. Rather than acting as direct carcinogens that damage DNA, these chemicals may instead modify the trajectory of normal tissue development, leaving behind a persistent molecular...

across these groups, the authors mapped millions of single nucleotide polymorphism markers, which are precise variations in DNA sequences, to measure how often genetic material shuffles during cell division. The study is available published in PLOS...

NSCs within less than 2 weeks – © Aging Cell Unlocking the Molecular Clock To quantify these changes, the scientists tracked DNA modifications—a “molecular clock” that marks the biological age of a cell. Over the course of approximately 50 days, the...

and socially appropriate in one culture may feel overly explicit, awkward or unnecessary in another.” The Role of Cultural DNA The study suggests that a country’s specific societal structure—ranging from its GDP and levels of religiosity to its degree...

rate of cellular division. Further testing using a panherpesvirus nested polymerase chain reaction assay on the extracted DNA yielded negative results, ruling out herpesvirus involvement despite its known role in other marine mammal tumors. Because the...

the AFL SRA 1002 genome. (A) Composition of repeated elements across the genome, including retrotransposons (LTRs and LINEs), DNA transposons, SSRs, satellite DNAs, and ECVs. (B) Circos plot showing the chromosomal distribution of repeated elements in...

record has remained frustratingly sparse, particularly regarding post-cranial elements. A New Strategy for Hunting Ancient DNA Excavating the truth from the Bianfu Cave was no small task. The site yielded over 60,000 bone fragments, making a...

involving researchers from China, Italy, and Hugging Face recently launched Carbon-X, a 14-billion-parameter model focused on DNA. Designed to predict mutation outcomes and generate new genetic sequences, Carbon-X is notable for its ability to run on...

peroxide. At controlled levels, ROS can act as signals, but excessive ROS can damage membranes, proteins, pigments and DNA. Salt-tolerant plants limit this damage through antioxidant enzymes and protective molecules. Major Mechanisms of Salt Tolerance...

Learn what basal cell carcinoma (basal cell skin cancer) is, how it relates to keratinocyte carcinoma, and steps for diagnosis and treatment in clear terms. Basal cell carcinoma (BCC) is the most common form of skin cancer, developing from basal...

A sweeping genetic analysis suggests that nearly all Alzheimer’s disease, and about half of all dementia, depends on a single gene pathway, radically reframing how preventable the condition might be. Alzheimer’s disease is often described as a tangled...

Scientists find cold‑adapted yeast in Ötzi the Iceman, bake sourdough with it, and show the ancient mummy still harbors a dynamic microbial ecosystem. More than five millennia after the Alpine discovery of Ötzi the Iceman, scientists have identified an...

Discover why male honey bees, called drones, develop from unfertilized eggs—a surprising twist that reshapes our view of hive biology. Within a honey bee colony, the male members—known as drones—serve a purpose that is starkly different from that of...