A putative RNA-interference-based immune system in prokaryotes: computational analysis of the predicted enzymatic machinery, functional analogies with eukaryotic RNAi, and hypothetical mechanisms of action

Table 5 A selection of CRISPR inserts homologous to phage, plasmid and prokaryotic genes

Species	Total spacers	Phage Plasmid	sense	antisense	Other prokaryotes.
Sulfolobus solfataricus	413	22	9	12	4
Sulfolobus acidocaldarius DSM 639	222	0			1
Sulfolobus tokodaii	449	4	4	0	2
Xanthomonas oryzae KACC10331	59	14	13	1	0
Anabaena variabilis ATCC 29413	174	0			1
Methanobacterium thermoautotrophicum	169	10	4	4	0
Methanocaldococcus jannaschii	185	0			1
Bacillus halodurans	89	3	1	1	0
Streptococcus thermophilus CNRZ1066	41	20	15	5	0
Streptococcus thermophilus LMG 18311	37	10	5	5	0
Streptococcus agalactiae 2603	24	0			1

ISSN: 1745-6150