A simple tool to search for sequence motifs that are conserved in BLAST outputs. - Roman L. Tatusov; Eugene V. Koonin (Comput. Appl. Biosci., 1994)

A natural taxonomy of gene families from complete genomes. - Eugene V. Koonin; Roman L. Tatusov; David J. Lipman (German Conference on Bioinformatics, 1997)

Genome analysis using clusters of orthologous groups (COGs). - Eugene V. Koonin; Roman L. Tatusov; Michael Y. Galperin; Michael N. Rosanov (RECOMB, 1998)

The COG database: a tool for genome-scale analysis of protein functions and evolution. - Roman L. Tatusov; Michael Y. Galperin; Darren A. Natale; Eugene V. Koonin (Nucleic Acids Res., 2000)

The COG database: new developments in phylogenetic classification of proteins from complete genomes. - Roman L. Tatusov; Darren A. Natale; Igor V. Garkavtsev; Tatiana A. Tatusova; Uma T. Shankavaram; Bachoti S. Rao; Boris Kiryutin; Michael Y. Galperin; Natalie D. Fedorova; Eugene V. Koonin (Nucleic Acids Res., 2001)

The COG database: an updated version includes eukaryotes. - Roman L. Tatusov; Natalie D. Fedorova; John D. Jackson; Aviva R. Jacobs; Boris Kiryutin; Eugene V. Koonin; Dmitri M. Krylov; Raja Mazumder; Sergei L. Mekhedov; Anastasia N. Nikolskaya; B. Sridhar Rao; Sergei Smirnov; et al. (BMC Bioinform., 2003)

Database resources of the National Center for Biotechnology Information. - David L. Wheeler; Tanya Barrett; Dennis A. Benson; Stephen H. Bryant; Kathi Canese; Deanna M. Church; Michael DiCuccio; Ron Edgar; Scott Federhen; Wolfgang Helmberg; David L. Kenton; Oleg Khovayko; et al. (Nucleic Acids Res., 2005)

Database resources of the National Center for Biotechnology Information. - David L. Wheeler; Tanya Barrett; Dennis A. Benson; Stephen H. Bryant; Kathi Canese; Vyacheslav Chetvernin; Deanna M. Church; Michael DiCuccio; Ron Edgar; Scott Federhen; Lewis Y. Geer; Wolfgang Helmberg; et al. (Nucleic Acids Res., 2006)

Database resources of the National Center for Biotechnology Information. - David L. Wheeler; Tanya Barrett; Dennis A. Benson; Stephen H. Bryant; Kathi Canese; Vyacheslav Chetvernin; Deanna M. Church; Michael DiCuccio; Ron Edgar; Scott Federhen; Lewis Y. Geer; Yuri Kapustin; et al. (Nucleic Acids Res., 2007)

Database resources of the National Center for Biotechnology Information. - David L. Wheeler; Tanya Barrett; Dennis A. Benson; Stephen H. Bryant; Kathi Canese; Vyacheslav Chetvernin; Deanna M. Church; Michael DiCuccio; Ron Edgar; Scott Federhen; Michael Feolo; Lewis Y. Geer; et al. (Nucleic Acids Res., 2008)

Automated Next Generation Sequencing Bioinformatics Pipelines for Pathogen Discovery and Surveillance. - Margaret Okomo-Adhiambo; Edward Ramos; Reagan Kelly; Yatish Jain; Roman L. Tatusov; Anna Montmayeur; Gregory Doho; Rachel L. Marine; Terry Fei Fan Ng; Adam Retchless; Steve Oberste; Paul Rota; et al. (BCB, 2017)