A novel CRISPR defense mechanism, unlike known nucleases, specifically destroys transfer ribonucleic acids (tRNA) that are vital for protein production to shut down infected cells. (Nanowerk News) ...
The cryogenic electron microscope structure of the A4p-activated (green) CalpL protein filament (violet) from Candidatus Cloacimonas acidaminovorans (PDB ID: 9EYJ). Credit: Dalia Smalakyte and Giedre ...
"Bacteria in the intestinal flora have these enzyme scissors, as do a large group of plant-associated bacteria in nature," says Bernd Nidetzky. Bernd Nidetzky doubts that in the future the enzyme ...
Bacteria and their viruses, known as phages, are locked in an age-old arms race. To defend against phage attacks, bacteria have evolved sophisticated mechanisms to recognize and counteract invading ...
The cryogenic electron microscope structure of the A4p-activated (green) CalpL protein filament (violet) from Candidatus Cloacimonas acidaminovorans (PDB ID: 9EYJ). CRISPR-Cas systems help to protect ...
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