«This is very important work,» says biological chemist Yasuhiro Kajihara of Osaka University in Japan. (scientificamerican.com)
Biological chemist Carlo Unverzagt of the University of Bayreuth in Germany notes that the purity of their chemical building blocks decreased with each step of synthesis, and that the researchers failed to obtain a mass spectrum of the final folded protein. (scientificamerican.com)
Researchers have revamped the CRISPR / Cas9 gene editor so that it converts the DNA base adenine to guanine, biological chemist David Liu and colleagues report October 25 in Nature. (sciencenews.org)