DNA base composition 15 Article 12 nonhuman 12 Technology: general issues 11 History of engineering and technology 9 human 6 gene sequence 5 phylogeny 5 History of engineering & technology 4 Materials science 4 bacterial strain 4 controlled study 4 genetics 4 whole genome sequencing 4 Cement based composites 3 Phylogeny 3 Reinforcement 3 article 3 bacterial DNA 3 bacterial gene 3 bacterial genome 3 bioinformatics 3 comparative genomics 3 gene cluster 3 genetic variability 3 microbial diversity 3 nucleotide sequence 3 transfer RNA 3 unclassified drug 3 3D printers 2