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Table 1 Summary of CRISPR-Cas and prophage content in Salinispora spp.

From: CRISPR-Cas systems in the marine actinomycete Salinispora: linkages with phage defense, microdiversity and biogeography

Species

Genomes analyzed

Total CRISPRs

Avg. loci/strain (per Mb)

Avg. locus size ± SD (bp)

Loci with Cas arrays (%)

Total spacers

Avg. spacers/ strain (±SD)

Avg. prophages/strain

Spacers matching Salinisporaprophages/known MGEs (%)*

S. arenicola

37

169

4.5 (0.8)

1243 ± 1087

78 (56)

3033

82 ± 52

1.3

18.3/2.5

S. pacifica

31

136

4.4 (0.8)

1110 ± 1087

54 (63)

2153

69 ± 42

1.1

8.9/0.6

S. tropica

7

30

4.3 (0.8)

1362 ± 1086

14 (63)

551

79 ± 57

2.1

4.5/0.2

  1. *only considering perfect matches (100% sequence identity/coverage).