Table 1.
Summary of the relevant deubiquitinases and their effects in several autophagic processes.
Deubiquitinase | Autophagy Type | Targets | Effects | References |
---|---|---|---|---|
AMSH | Microautophagy and endosomal microautophagy | ESCRT-0 | Stabilization of ESCRT proteins, MVE formation | [91,92] |
CSN6 | Lysosomal degradation | Cathepsin-L (CTSL) | Positive transcriptional regulation of CTSL | [87] |
Cyld | Autolysosome and crinosome formation, MVE-lysosome fusion, vRed, Cvt, ALP, Vid pathways | α- and β-tubulin | Microtubule assembly and maintaining microtubule dynamics | Data available about the regulation of microtubules [83,97,98,99,100] |
Doa4 | vRed and Vid pathways | Ypq1, Cot1, Zrt3, Vid27? | Opposite effect of Rsp5/Tul1 mediated degradation of Ypq1, Cot1, Zrt3, possible binding partner of Vid27 | [15,16,95] |
Otub1 | Macroautophagy | DEPTOR | Stabilizes DEPTOR which inhibits mTOR, macroautophagy induction | [73] |
Ubp3 | Macroribophagy | 60S ribosomes | Positive regulation of 60S ribosome macroautophagic degradation by its deubiquitination | [81] |
Usp8/Ubp5 | Microautophagy and endosomal microautophagy, macromitophagy | ESCRT-0, Parkin | Stabilization of ESCRT proteins, MVE formation, Parkin stabilization |
Usp8 data only available [73,88,89,90,91] |
Usp10 | Macroautophagy | Atg6/Beclin1 | Activation and stabilization of Atg6/Beclin1, positive regulation of autophagosome formation | [73] |
Usp13 | Macroautophagy | Atg6/Beclin1 | Activation and stabilization of Atg6/Beclin1, positive regulation of autophagosome formation | [73] |
Usp14 | Macroautophagy | Atg6/Beclin1, MAPT, UVRAG | Destabilizes Atg6/Beclin1, rescues MAPT and UVRAG from proteasomal degradation | [73,82] |
Usp20 | Macroautophagy | Atg1/Ulk1 | Positive effect on macroautophagy by stabilization of Atg1/Ulk1 | [73] |
Usp30 | Macromitophagy | Mitochondrial surface proteins | Opposite effect of Parkin mediated macromitophagy | [78,79,80] |
Usp32/Ubp12 | Autolysosome and crinosome formation, MVE-lysosome fusion, vRed, Cvt, ALP, Vid pathways | Rab7/Ypt7 | Positive regulation of Rab7/Ypt7 recycling and recruitment to the membrane of late endosomal compartment | Usp32 data about late endosomal effect only available [94] |
Usp33 | Macroautophagy | RALB | Stabilizes RALB, the Atg6/Beclin1 interacting protein, positively regulates autophagosome formation | [73] |
Usp36 | Macroautophagy, macromitophagy | direct effect on H2B, indirect effect on Atg6/Beclin1 and Atg14L | Positive transcriptional regulation of Atg6/Beclin and Atg14L | [76] |
? | Macroautophagy | LC3/Atg8 | LC3/Atg8 stabilization, opposite effect of Ubp6 and Birc6 | [74] |