Cell Biology

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Insights into Bacterial Cell Division: Beyond Size Considerations

When a single bacterial cell divides into two during periods of rapid growth, it doesn't split in half once it reaches a predetermined size. Instead, data has shown, a cell will divide once it has added a certain amount of mass.

18 Apr 2024

U of T Scientists Make Breakthrough Discovery in DNA Repair Mechanism

Researchers at the University of Toronto have discovered a DNA repair mechanism that advances understanding of how human cells stay healthy, and which could lead to new treatments for cancer and premature aging.

18 Apr 2024

New Method Reveals Dynamic Protein Structures in Real Time

Researchers at Weill Cornell Medicine have developed a powerful, new technique to generate "movies" of changing protein structures and speeds of up to 50 frames per second.

17 Apr 2024

Understanding How the Human Forebrain Develops at the Cellular Level

A group of researchers at University of California San Diego School of Medicine led an investigation that offers new insight into the development of the human forebrain.

17 Apr 2024

Mapping Gene Signatures Unveils How Lewy Bodies Impact Brain Cells

A new study by scientists at Van Andel Institute provides an initial glimpse into the intricate molecular changes taking place in brain cells with Lewy bodies, crucial pathological markers of Parkinson’s disease and certain dementias.

17 Apr 2024

Mysterious Plasmid in Human Gut Holds Potential for Health Hazard Detection

A component of the human intestinal flora that has been little studied to date is the focus of a new study.

17 Apr 2024

First Single-Cell Atlas for the Water Nymph Worm Published

An international team of scientists including B. Duygu Özpolat at Washington University in St. Louis has published the first single-cell atlas for Pristina leidyi (Pristina), the water nymph worm, a segmented annelid with extraordinary regenerative abilities that has fascinated biologists for more than a century.

16 Apr 2024

Exercise Intervention Reduces Fat Accumulation Associated with Aging

Scientists have discovered that a type of fat accumulates as tissue ages and that this accumulation can be reversed through exercise.

16 Apr 2024

Newly discovered mechanism identified in the initial stages of Alzheimer's disease

Alzheimer's disease (AD) continues to be one of the most difficult and common neurodegenerative diseases, impacting millions of people globally.

16 Apr 2024

New Delivery System Opens the Door to Gene-Silencing Therapy

The next generation of medications, known as antisense oligonucleotides (ASOs), works by preventing the transmission of damaging genetic messages.

16 Apr 2024

Nasal Cells in Children Shield Against Severe COVID-19

Children usually have milder COVID-19 symptoms; this could be due to differences in how elderly and young people's nasal cells react to the SARS-CoV-2 virus.

16 Apr 2024

Cell's Garbage Disposal May Also Send Sensory Signals Beyond Recycling

The proteasome, the cell's garbage disposal mechanism, usually breaks down proteins into smaller pieces and recycles some of the pieces.

15 Apr 2024

Spinal Cord's Hidden Role in Learning Movement

A common misconception is that the spinal cord serves as a basic relay station that transmits signals from the brain to the body.

15 Apr 2024

Research Uncovers Genetic Basis of Macroalgae Multicellularity

A deep dive into macroalgae genetics has uncovered the genetic underpinnings that enabled macroalgae, or "seaweed," to evolve multicellularity.

15 Apr 2024

Study Reveals How Cells Recycle Proteins in Response to Nutrient Starvation

A new study details how nutrient-starved cells divert protein transport stations to cellular recycling centers to be broken down, highlighting a novel approach cells use to deal with stressful conditions.

15 Apr 2024

Genomic Deletions Drive Development of Melanoma Drug Resistance

Melanoma is the deadliest form of skin cancer. With global incidence rates rising, new, more effective treatments are necessary to alleviate the health burden of the disease. Important advances in recent years include doctors using genetic tests to look for specific mutations they can target for more personalised, effective treatment.

15 Apr 2024