Fig. 1From: Species-specific identification of Pseudomonas based on 16S–23S rRNA gene internal transcribed spacer (ITS) and its combined application with next-generation sequencingSecondary structures of P. aeruginosa ITS. Green frame, C1,C2,C3 block; gray frame, upstream of 16S rRNA gene and downstream of 23S rRNA gene; red frame, tRNAIle and tRNAAla; blue frame, V block; orange frame, mutation region; I – stem, inner stem; H – stem, hybrid stemBack to article page