Most Recent

image: Condensin Folds DNA Through Loop Extrusion

Condensin Folds DNA Through Loop Extrusion

By Diana Kwon | June 1, 2018

By observing the activity of a protein complex in real time, researchers have uncovered new evidence for a long-standing theory.

0 Comments

The flow of calcium and potassium ions keeps muscles contracting in the diaphragms of neonatal mice, but if a key protein receptor is missing, fatigue sets in more quickly.

0 Comments

Mice treated with an immunostimulant had better outcomes when researchers blocked the expression of TNFR2, a compound that helps tumors evade immune attack.

0 Comments

In the presence of cytosolic DNA, cancer cells activate antiviral pathways that disguise them as immune cells.

0 Comments

In response to short DNA fragments, lymphocytes release mitochondrial DNA that helps trigger an immune response.

0 Comments

image: Plant Cell Walls Can Control Growth in the Dark

Plant Cell Walls Can Control Growth in the Dark

By Kerry Grens | February 1, 2018

To maintain an energy-saving growth strategy in the absence of light, seedlings need signals generated by pectin in their cell walls.

0 Comments

image: Distinct Regions Drive Responses to Anxiety, Fear

Distinct Regions Drive Responses to Anxiety, Fear

By Catherine Offord | January 1, 2018

Researchers map brain activity associated with a person’s anticipation of or direct confrontation with danger.

1 Comment

A single receptor on natural killer cells recognizes an amino acid sequence conserved across Zika, dengue, and related pathogens.

0 Comments

image: Microglia Turnover in the Human Brain

Microglia Turnover in the Human Brain

By Shawna Williams | October 1, 2017

Researchers find that about a quarter of the immune cells are replaced every year.

1 Comment

Pauses may help cells fine-tune gene expression.

0 Comments

Popular Now

  1. Prominent Salk Institute Scientist Inder Verma Resigns
  2. Dartmouth Professor Investigated for Sexual Misconduct Retires
  3. Theranos Leaders Indicted For Fraud
    The Nutshell Theranos Leaders Indicted For Fraud

    Federal prosecutors filed criminal charges that allege the company’s promise to revolutionize blood testing swindled investors out of hundreds of millions of dollars and put patients in danger.

  4. Probiotics Prevent Cholera in Animal Models