Gene Symbol: Tomm20
Description: translocase of outer mitochondrial membrane 20
Alias: 1810060K07Rik, BB284719, Gm19268, MAS20, MOM19, TOM20, mKIAA0016, mitochondrial import receptor subunit TOM20 homolog, mitochondrial 20 kDa outer membrane protein, outer mitochondrial membrane receptor Tom20, translocase of outer mitochondrial membrane 20 homolog
Species: mouse
Products:     Tomm20

Top Publications

  1. Ishihara N, Nomura M, Jofuku A, Kato H, Suzuki S, Masuda K, et al. Mitochondrial fission factor Drp1 is essential for embryonic development and synapse formation in mice. Nat Cell Biol. 2009;11:958-66 pubmed publisher
  2. Ishihara T, Ban Ishihara R, Maeda M, Matsunaga Y, Ichimura A, Kyogoku S, et al. Dynamics of mitochondrial DNA nucleoids regulated by mitochondrial fission is essential for maintenance of homogeneously active mitochondria during neonatal heart development. Mol Cell Biol. 2015;35:211-23 pubmed publisher
    ..Thus, the dynamics of mtDNA nucleoids regulated by mitochondrial fission is required for neonatal cardiomyocyte development by promoting homogeneous distribution of active mitochondria throughout the cardiomyocytes. ..
  3. Cleland M, Norris K, Karbowski M, Wang C, Suen D, Jiao S, et al. Bcl-2 family interaction with the mitochondrial morphogenesis machinery. Cell Death Differ. 2011;18:235-47 pubmed publisher
  4. d Amora M, Angelini C, Marcoli M, Cervetto C, Kitada T, Vallarino M. Expression of PINK1 in the brain, eye and ear of mouse during embryonic development. J Chem Neuroanat. 2011;41:73-85 pubmed publisher
  5. Mashimo M, Kato J, Moss J. ADP-ribosyl-acceptor hydrolase 3 regulates poly (ADP-ribose) degradation and cell death during oxidative stress. Proc Natl Acad Sci U S A. 2013;110:18964-9 pubmed publisher
    ..Thus, PARG release of PAR attached to nuclear proteins, followed by ARH3 cleavage of PAR, is essential in regulating PAR-dependent AIF release from mitochondria and parthanatos. ..
  6. Fernandes R, Tsuda C, Perumalsamy A, Naranian T, Chong J, Acton B, et al. NLRP5 mediates mitochondrial function in mouse oocytes and embryos. Biol Reprod. 2012;86:138, 1-10 pubmed publisher
    ..We therefore conclude that lack of Nlrp5 in oocytes triggers premature activation of the mitochondrial pool, causing mitochondrial damage that cannot be rescued by inactivation of Bax. ..
  7. He S, Limi S, McGreal R, Xie Q, Brennan L, Kantorow W, et al. Chromatin remodeling enzyme Snf2h regulates embryonic lens differentiation and denucleation. Development. 2016;143:1937-47 pubmed publisher
  8. Richter V, Palmer C, Osellame L, Singh A, Elgass K, Stroud D, et al. Structural and functional analysis of MiD51, a dynamin receptor required for mitochondrial fission. J Cell Biol. 2014;204:477-86 pubmed publisher
    ..MiD51 foci are also dependent on the presence of Drp1, and after scission they are distributed to daughter organelles, supporting the involvement of MiD51 in the fission apparatus...
  9. Danial N, Gramm C, Scorrano L, Zhang C, Krauss S, Ranger A, et al. BAD and glucokinase reside in a mitochondrial complex that integrates glycolysis and apoptosis. Nature. 2003;424:952-6 pubmed
    ..This combination of proteomics, genetics and physiology indicates an unanticipated role for BAD in integrating pathways of glucose metabolism and apoptosis. ..

More Information


  1. Ott M, Norberg E, Walter K, Schreiner P, Kemper C, Rapaport D, et al. The mitochondrial TOM complex is required for tBid/Bax-induced cytochrome c release. J Biol Chem. 2007;282:27633-9 pubmed
    ..Here, we show that the protein translocase of the outer mitochondrial membrane is required for Bax insertion and cytochrome c release. ..
  2. Hikosaka K, Ikutani M, Shito M, Kazuma K, Gulshan M, Nagai Y, et al. Deficiency of nicotinamide mononucleotide adenylyltransferase 3 (nmnat3) causes hemolytic anemia by altering the glycolytic flow in mature erythrocytes. J Biol Chem. 2014;289:14796-811 pubmed publisher
    ..Our findings indicate the critical roles of Nmnat3 in maintenance of the NAD pool in mature erythrocytes and the physiological impacts at its absence in mice. ..
  3. Valentijn A, Metcalfe A, Kott J, Streuli C, Gilmore A. Spatial and temporal changes in Bax subcellular localization during anoikis. J Cell Biol. 2003;162:599-612 pubmed
    ..Our data suggest that Bax regulation occurs at several levels, with formation of clusters a late event, and with critical changes determining cell fate occurring earlier. ..
  4. Kang B, Xia F, Pop R, Dohi T, Socolovsky M, Altieri D. Developmental control of apoptosis by the immunophilin aryl hydrocarbon receptor-interacting protein (AIP) involves mitochondrial import of the survivin protein. J Biol Chem. 2011;286:16758-67 pubmed publisher
    ..shRNA knockdown of the mitochondrial import receptor Tom20 abolished mitochondrial import of survivin and sensitized tumor cells to apoptosis, whereas silencing of Tom70 had ..
  5. Zhu Y, Swanson B, Wang M, Hildeman D, Schaefer B, Liu X, et al. Constitutive association of the proapoptotic protein Bim with Bcl-2-related proteins on mitochondria in T cells. Proc Natl Acad Sci U S A. 2004;101:7681-6 pubmed
    ..Our results indicate that, in T cells, Bim function is regulated by interaction with Bcl-2 family members on mitochondria rather than by sequestration to the microtubules. ..
  6. Gomez Velazquez M, Badia Careaga C, Lechuga Vieco A, Nieto Arellano R, Tena J, Rollán I, et al. CTCF counter-regulates cardiomyocyte development and maturation programs in the embryonic heart. PLoS Genet. 2017;13:e1006985 pubmed publisher
    ..Thus, CTCF mediates local regulatory interactions to coordinate transcriptional programs controlling transitions in morphology and function during heart development. ..
  7. Khacho M, Clark A, Svoboda D, Maclaurin J, Lagace D, Park D, et al. Mitochondrial dysfunction underlies cognitive defects as a result of neural stem cell depletion and impaired neurogenesis. Hum Mol Genet. 2017;26:3327-3341 pubmed publisher
    ..These data demonstrate that mitochondrial dysfunction, as observed in genetic mitochondrial and neurodegenerative diseases, underlies the decline of brain function and cognition due to impaired stem cell maintenance and neurogenesis. ..
  8. Kumar N, Srivillibhuthur M, Joshi S, Walton K, Zhou A, Faller W, et al. A YY1-dependent increase in aerobic metabolism is indispensable for intestinal organogenesis. Development. 2016;143:3711-3722 pubmed
    ..Our study highlights the still unappreciated role of metabolic regulation during organogenesis, and suggests that it might contribute to neonatal gastrointestinal disorders. ..
  9. Doucet Beaupré H, Gilbert C, Profes M, Chabrat A, Pacelli C, Giguère N, et al. Lmx1a and Lmx1b regulate mitochondrial functions and survival of adult midbrain dopaminergic neurons. Proc Natl Acad Sci U S A. 2016;113:E4387-96 pubmed publisher
    ..These results reveal the key role of these transcription factors beyond the early developmental stages and provide mechanistic links between mitochondrial dysfunctions, ?-synuclein aggregation, and the survival of dopaminergic neurons. ..
  10. Chaffee B, Shang F, Chang M, Clement T, Eddy E, Wagner B, et al. Nuclear removal during terminal lens fiber cell differentiation requires CDK1 activity: appropriating mitosis-related nuclear disassembly. Development. 2014;141:3388-98 pubmed publisher
    ..These observations suggest that CDK1-dependent phosphorylations required for the initiation of nuclear membrane disassembly during mitosis are adapted for removal of nuclei during fiber cell differentiation. ..
  11. Korrodi Gregório L, Vieira S, Esteves S, Silva J, Freitas M, Brauns A, et al. TCTEX1D4, a novel protein phosphatase 1 interactor: connecting the phosphatase to the microtubule network. Biol Open. 2013;2:453-65 pubmed publisher
    ..In essence TCTEX1D4/PPP1C complex appears to be involved in microtubule dynamics, sperm motility, acrosome reaction and in the regulation of the blood-testis barrier. ..
  12. Morishita H, Eguchi S, Kimura H, Sasaki J, Sakamaki Y, Robinson M, et al. Deletion of autophagy-related 5 (Atg5) and Pik3c3 genes in the lens causes cataract independent of programmed organelle degradation. J Biol Chem. 2013;288:11436-47 pubmed publisher
    ..Taken together, these results suggest that clearance of lens organelles is independent of macroautophagy. These findings also clarify the physiological role of Atg5 and Pik3c3 in quality control and development of the lens, respectively...