Tag: Molecular Biology

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Tiny sea creatures reveal the ancient origins of neurons

A study in the journal Cell sheds new light on the evolution of neurons, focusing on the placozoans, a millimetre-sized marine animal. Researchers at...

Life on Earth didn’t arise as described in textbooks

No, oxygen didn't catalyze the swift blossoming of Earth's first multicellular organisms. The result defies a 70-year-old assumption about what caused an explosion of...

Ancient viral DNA in human genome guards against infections

Viral DNA in human genomes, embedded there from ancient infections, serve as antivirals that protect human cells against certain present-day viruses, according to new...

Research into ancient lineage of microscopic fungi upends assumptions about its genetic relationships

Mycologists tend to base their evolutionary assumptions about all fungi on the higher fungi such as mushrooms, bread molds and yeasts. But that is...

Resurrecting billon-year-old enzymes reveals how photosynthesis adapted to the rise of oxygen

The central biocatalyst in photosynthesis, Rubisco, is the most abundant enzyme on earth. By reconstructing billion-year-old enzymes, a team of Max Planck researchers has...

The fountain of life: Water droplets hold the secret ingredient for building life

Purdue University chemists have uncovered a mechanism for peptide-forming reactions to occur in water -- something that has puzzled scientists for decades. "This is essentially...