What's up in

proteins

An illustration that shows a fanciful view of cells in terms of electrical circuitry.
synthetic biology

Math Reveals the Secrets of Cells’ Feedback Circuitry

September 18, 2019

Maintaining perfect stability through negative feedback is a basic element of electrical circuitry, but it’s been a mystery how cells could do it — until now.

cell biology

Bacterial Clones Show Surprising Individuality

September 4, 2019

Genetically identical bacteria should all be the same, but in fact, the cells are stubbornly varied individuals.

cell biology

Cellular Life, Death and Everything in Between

July 8, 2019

The discovery that apparently dead cells can sometimes resurrect themselves has researchers exploring how far they can push the point of no return.

Art for "The Body’s Clock Offers a Rhythmic Target to Viruses"
chronobiology

The Body’s Clock Offers a Rhythmic Target to Viruses

May 30, 2019

Viruses and other parasites may sync with their host’s biological clock — or reset it — to gain an advantage.

Q&A

Doudna’s Confidence in CRISPR’s Research Potential Burns Bright

February 27, 2019

Jennifer Doudna, one of CRISPR’s primary innovators, stays optimistic about how the gene-editing tool will continue to empower basic biological understanding.

Art for "‘Lava-Lamp’ Proteins Inside Cells May Protect and Regulate"
cell biology

‘Lava-Lamp’ Proteins May Help Cells Cheat Death

November 26, 2018

With proteins that reversibly self-assemble into droplets, cells may control their metabolism — and harden themselves against harsh conditions.

RNA Peptide 520
origins of life

The End of the RNA World Is Near, Biochemists Argue

December 19, 2017

For decades, an origin-of-life story starring RNA has prevailed. New research may be shaking that theory’s hold on our understanding of life’s beginnings.

Illustration of a doctor trying to get to a patient
molecular biology

Bacteria Sacrifice DNA Repair for Better RNA

November 22, 2017

Preserving its DNA ought to be a cell’s top priority. But bacteria slow their DNA repair to a crawl in favor of proofreading gene transcripts.

origins of life

Life’s First Molecule Was Protein, Not RNA, New Model Suggests

November 2, 2017

Which mattered first at the dawn of life: proteins or nucleic acids? Proteins may have had the edge if a theorized process let them grow long enough to become self-replicating catalysts.