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. 2019 Mar 11;10:339. doi: 10.3389/fmicb.2019.00339

Figure 6.

Figure 6

Determination of the transcription start site (TSS) of relQ by 5′ RACE. (A) Electropherogram showing TSS (boxed nucleotide) is representative of results from sequencing of several distinct clones obtained after 5′ RACE experiment. (B) Schematic representation of S. aureus relQ chromosomal region. Large and filled arrows represent the relative size, location, and transcriptional orientation of ORFs. Small and thin arrows represent the regions used to design primers for the 5′RACE experiment; relQ-SP1:R (1), relQ-SP2:R (2), and relQ-SP3:R (3). Nucleotide sequences from −436 to +19 of relQ start codon (underlined) showing TSS (indicated as +1) and possible −35 and −10 elements (gray background). SAUSA300_0906 ORFs are shown by italicized nucleotides, and the portion of relQ ORF is shown in bold. The earlier predicted TSS is shown with an asterisk.