DNA had one rule. Bacteria didn’t get the memo
"No, I would not say the central dogma has been broken," says Pinilla-Redondo. What the study shows is a protein helping to build a short, repetitive DNA sequence in a very specific context — not proteins generally rewriting genetic code. "The exciting part is not that the rules of biology have collapsed. It is that evolution has found a very unexpected way to build a DNA molecule," he said.