Table 2. Factors involved in the bacterium–autophagy interplay.
| Bacterium | Bacterial factors | Host factors | Refs |
|---|---|---|---|
| Inhibiting autophagy initiation signalling | |||
| S. Typhimurium | Unknown | mTOR, RAG GTPases and Ragulator | 5 |
| Mycobacterium tuberculosis str. H37Rv | Eis | JNK and ROS | 95,96 |
| Bacillus anthracis | Oedema factor toxin | cAMP | 4 |
| Vibrio cholerae | Cholera toxin | cAMP | 4 |
| Directly interfering with the activity of autophagy components | |||
| Legionella pneumophila | T4SS effector RavZ and other unknown factors | LC3–PE | 10 |
| Shigella flexneri | VirA | RAB1 | 9 |
| Evading autophagy recognition by masking the bacterial surface | |||
| S. flexneri | IcsB | ATG5 and septins | 6,54,108 |
| Listeria monocytogenes | ActA and InlK | MVP and host factors that bind ActA | 7,8,111,113,158 |
| Escaping autophagy by yet unclear mechanisms | |||
| Burkholderia pseudomallei | T3SS3 effector BopA and translocator BipD, T3SS1 ATPase encoded by bpscN | Unknown | 72,114 |
| Francisella tularensis | DipA | Unknown | 60,90 |
| M. tuberculosis str. Erdman | Unknown | Coronin 1a | 117 |
| Yersinia enterocolitica | T3SS | Unknown | 91 |
| Orientia tsutsugamushi | Unknown | Unknown | 92,93 |
| Blocking autophagosome fusion with the lysosome | |||
| Adherent-invasive Escherichia coli | Unknown | Unknown | 11 |
| Mycobacterium marinum | ESX-1 secretion system | Unknown | 119 |
| M. tuberculosis str. H37Rv | ESAT-6 secreted from ESX-1 system | Unknown | 120 |
| Chlamydia trachomatis | Unknown | Unknown | 121,122 |
| Helicobacter pylori | VacA | Unknown | 124 |
| Yersinia pestis | Unknown | Unknown | 123 |
| Hijacking autophagy for bacterial replication | |||
| Staphylococcus aureus | Hla secreted by the Agr system | cAMP, EPAC, RAP2B and calcium | 13,139,140 |
| Anaplasma phagocytophilum | Anaplasma translocated substrate 1 secreted by T4SS | LC3, BECN1 and ATG14L | 12,126 |
| Coxiella burnetii | Unknown | LC3, BECN1, RAB24 and BCL-2 | 127,128,129,130 |
| Brucella abortus | Unknown | ULK1, BECN1, ATG14L and PtdIns3KC3 | 131 |
| L. pneumophila | T4SS | Cholesterol | 134 |
| M. tuberculosis str. Erdman | Unknown | Unknown | 133 |
| Brucella melitensis | Unknown | Unknown | 135 |
| C. trachomatis | Unknown | LC3-I | 156 |
| Porphyromonas gingivalis | Unknown | Unknown | 136 |
| Uropathogenic E. coli | Unknown | ATG16L1 | 137 |
| Yersinia pseudotuberculosis | Bacterial protein synthesis | Unknown | 138 |
| Serratia marcescens | Unknown | Unknown | 132 |
Agr, accessory gene regulator; ATG, autophagy-related; ATG14L, ATG14-like; ATG16L1, ATG16-like 1; BCL-2, B cell lymphoma 2; BECN1, beclin 1; cAMP, cyclic AMP; Eis, enhanced intracellular survival; EPAC, exchange protein directly activated by cAMP 1; ESAT-6, early secreted antigenic target of 6 kDa; Hla, α-haemolysin; JNK, JUN N-terminal kinase; LC3, microtubule-associated protein 1 light chain 3; LC3-I, non-lipidated LC3; mTOR, mammalian target of rapamycin; MVP, major vault protein; PE, phosphatidylethanolamine; PtdIns3KC3, PtdIns 3-kinase class III; ROS, reactive oxygen species; S. Typhimurium, Salmonella enterica subsp. enterica serovar Typhimurium; T3SS, type III secretion system; T4SS, type IV secretion system; ULK1, Unc-51-like kinase 1.