ARGs-OAP v2.0 with an expanded SARG database and Hidden Markov Models for enhancement characterization and quantification of antibiotic resistance genes in environmental metagenomes. - Xiaole Yin; Xiaotao Jiang; Benli Chai; Liguan Li; Ying Yang; James R. Cole; James M. Tiedje; Tong Zhang (Bioinform., 2018)