In the tiny, beaded chain of the cyanobacterium Anabaena sp. ATCC 33047, two different cells, the photosynthetic factory worker and the nitrogen-fixing specialist, play distinct and powerful roles in ...

The human immune system is like an army of specialized soldiers (immune cells) each with a unique role to play in fighting disease. In a new study published in Nature, led by scientists at the Allen ...

Measuring membrane thickness was previously only possible in artificial membranes—now scientists can do it inside intact ...

Precision and timing of gene expression is essential for normal biological functions and, when disrupted, can lead to many human diseases, including cancers. However, how molecular machines—protein ...

All cells need to sense and respond to their environment—to know when to activate genes, build proteins and carry out their basic functions. One of the most well-studied cellular responses is how they ...