Table 3 Summary of the statistical results using the Wilcoxon rank-sum test for CRISPR type I-E

Bacteria: 28 (297) CRISPR⁺, 101 (391) CRISPR^-

AAG

0.7174

-0.001687

0.07342

4.499e-07

res

AAG

0.1177

0.1201

-0.002424

0.03667

sub

AWG

0.5161

0.04535

0.006267

0.6928

res

AWG

0.05169

0.02959

0.02209

0.001556

sub

AAY

-0.009426

0.02582

-0.03525

1.461e-06

res

AAY

-0.03633

-0.01978

-0.01656

7.319e-06

sub

Gammaproteobacteria: 17 (239) CRISPR⁺, 27 (88) CRISPR^-

AAG

0.06205

0.01468

0.04737

0.1733

res

AAG

0.1745

0.1201

0.05443

0.0009832

sub

AWG

0.09614

0.05743

0.03871

0.3779

res

AWG

0.08496

0.03524

0.04972

0.03247

sub

Pseudomonas: 1 (54) CRISPR⁺, 4 (23) CRISPR^-

AAG

0.09970

09930

0.0004042

0.8282

res

AAG

0.2794

0.2654

0.01402

0.4867

sub

AWG

0.05831

0.1013

-0.04294

0.4525

res

AWG

0.1649

0.1636

0.001262

0.2403

sub

Vibrio: 1 (19) CRISPR⁺, 3 (12) CRISPR^-

AAG

0.1384

0.04731

0.09112

0.002313

res

AAG

0.2323

0.07019

0.1621

0.01414

sub

AWG

0.2026

0.05405

0.1485

0.0001185

res

AWG

0.09707

0.01647

0.08060

0.003148

sub

not Proteobacteria: 10 (49) CRISPR⁺, 54 (243) CRISPR^-

AAY

-0.01711

0.007357

-0.009751

0.2059

res

AAY

-0.2643

-0.04995

0.02352

0.003247

sub

Lactobacillus: 2 (5) CRISPR⁺, 5 (11) CRISPR^-

AAY

-0.02047

-0.02471

-0.005757

1

res

AAY

0.01788

-0.029311

0.05710

0.06868

sub

Mycobacterium: 1 (12) CRISPR⁺, 2 (3) CRISPR^-

AAY

0.006024

0.1491

-0.1431

0.9451

res

AAY

-0.06072

0.0009736

-0.06170

0.3648

sub