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Figure 2 | BMC Genomics

Figure 2

From: Genome analysis and CRISPR typing of Salmonella enterica serovar Virchow

Figure 2

Comparison of S. Virchow CRISPR regions. a. Schematic representation of the two CRISPR regions in S. Virchow SVQ1. Direct repeats are shown as black rectangles and the spacers are shown as red rectangles. CRISPR-associated genes (cas) and other flanking genes are represented by dark-blue and light-blue arrows, respectively. L stands for the leader sequence. The genes that are flanking CRISPR-1 are associated with the locus tags Sesv_2565 to Sesv_2573 and the genes flanking CRISPR-2 are associated with the locus tags Sesv_2578 to Sesv_2580, respectively. This image was prepared using Easyfig [50]. b. Representation of spacer arrangement in CRISPR-1 in 15 Australian S. Virchow isolates. Each unique spacer is represented by a combination of background colour and the colour of the X character. White gaps represent the absence of a particular spacer. Strains are grouped by phage type, the year it was collected and location. The spacer arrangement of CRISPR-1 from the genome of S. Virchow SL491 is also shown. QLD = Queensland, NT = Northern Territory, WA = Western Australia and VIC = Victoria.

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