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DNMT1

Summary

DNA (cytosine-5)-methyltransferase 1 (Dnmt1) is an enzyme that catalyzes the transfer of methyl groups to specific CpG sites in DNA, a process called DNA methylation. In humans, it is encoded by the DNMT1 gene.[5] Dnmt1 forms part of the family of DNA methyltransferase enzymes, which consists primarily of DNMT1, DNMT3A, and DNMT3B.

DNMT1
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
AliasesDNMT1, ADCADN, AIM, CXXC9, DNMT, HSN1E, MCMT, m.HsaI, DNA (cytosine-5-)-methyltransferase 1, DNA methyltransferase 1
External IDsOMIM: 126375 MGI: 94912 HomoloGene: 124071 GeneCards: DNMT1
Orthologs
SpeciesHumanMouse
Entrez

1786

13433

Ensembl

ENSG00000130816

ENSMUSG00000004099

UniProt

P26358

P13864

RefSeq (mRNA)

NM_001130823
NM_001379
NM_001318730
NM_001318731

NM_001199431
NM_001199432
NM_001199433
NM_010066
NM_001314011

RefSeq (protein)

NP_001124295
NP_001305659
NP_001305660
NP_001370

Location (UCSC)Chr 19: 10.13 – 10.23 MbChr 9: 20.82 – 20.87 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Function edit

This enzyme is responsible for maintaining DNA methylation, which ensures the fidelity of this epigenetic patterns across cell divisions. In line with this role, it has a strong preference towards methylating CpGs on hemimethylated DNA.[6] However, DNMT1 can catalyze de novo DNA methylation in specific genomic contexts, including transposable elements and paternal imprint control regions.[7][8] Aberrant methylation patterns are associated with certain human tumors and developmental abnormalities.[9][10]

See also edit

Interactions edit

DNMT1 has been shown to interact with UHRF1,:

DNMT1 is highly transcribed during the S phase of the cell cycle when it is required for methylation of the newly generated hemimethylated sites on daughter DNA strands.[18] Its interaction with PCNA and UHRF1 has been implicated in localizing it to the replication fork.[19] The direct co-operation between DNMT1 and G9a coordinates DNA and H3K9 methylation during cell division.[17] This chromatin methylation is necessary for stable repression of gene expression during mammalian development.

Model organisms edit

Knockout experiments have shown that this enzyme is responsible for the bulk of methylation in mouse cells, and it is essential for embryonic development.[20] It has also been shown that a lack of both maternal and zygotic Dnmt1 results in complete demethylation of imprinted genes in blastocysts.[21]

Clinical significance edit

DNMT1 plays a critical role in Hematopoietic stem cell (HSC) maintenance. HSCs with reduced DNMT1 fail to self-renew efficiently post-transplantation.[22] It has also been shown to be critical for other stem cell types such as Intestinal stem cells (ISCs) and Mammary stem cells (MaSCs). Conditional deletion of DNMT1 results in overall intestinal hypomethylation, crypt expansion and altered differentiation timing of ISCs, and proliferation and maintenance of MaSCs.[23]

References edit

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000130816 – Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000004099 – Ensembl, May 2017
  3. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. ^ Yen RW, Vertino PM, Nelkin BD, Yu JJ, el-Deiry W, Cumaraswamy A, Lennon GG, Trask BJ, Celano P, Baylin SB (May 1992). "Isolation and characterization of the cDNA encoding human DNA methyltransferase". Nucleic Acids Research. 20 (9): 2287–91. doi:10.1093/nar/20.9.2287. PMC 312343. PMID 1594447.
  6. ^ Hermann A, Goyal R, Jeltsch A (November 2004). "The Dnmt1 DNA-(cytosine-C5)-methyltransferase methylates DNA processively with high preference for hemimethylated target sites". The Journal of Biological Chemistry. 279 (46): 48350–9. doi:10.1074/jbc.M403427200. PMID 15339928.
  7. ^ Yarychkivska O, Shahabuddin Z, Comfort N, Boulard M, Bestor TH (December 2018). "BAH domains and a histone-like motif in DNA methyltransferase 1 (DNMT1) regulate de novo and maintenance methylation in vivo". The Journal of Biological Chemistry. 293 (50): 19466–19475. doi:10.1074/jbc.RA118.004612. PMC 6302165. PMID 30341171.
  8. ^ Haggerty C, Kretzmer H, Riemenschneider C, et al. (June 2021). "Dnmt1 has de novo activity targeted to transposable elements". Nature Structural and Molecular Biology. 28 (7): 594–603. doi:10.1038/s41594-021-00603-8. PMC 8279952. PMID 34140676.
  9. ^ Klein CJ, Botuyan MV, Wu Y, Ward CJ, Nicholson GA, Hammans S, Hojo K, Yamanishi H, Karpf AR, Wallace DC, Simon M, Lander C, Boardman LA, Cunningham JM, Smith GE, Litchy WJ, Boes B, Atkinson EJ, Middha S, B Dyck PJ, Parisi JE, Mer G, Smith DI, Dyck PJ (June 2011). "Mutations in DNMT1 cause hereditary sensory neuropathy with dementia and hearing loss". Nature Genetics. 43 (6): 595–600. doi:10.1038/ng.830. PMC 3102765. PMID 21532572.
  10. ^ "Entrez Gene: DNMT1 DNA (cytosine-5-)-methyltransferase 1".
  11. ^ a b c Rountree MR, Bachman KE, Baylin SB (July 2000). "DNMT1 binds HDAC2 and a new co-repressor, DMAP1, to form a complex at replication foci". Nature Genetics. 25 (3): 269–77. doi:10.1038/77023. PMID 10888872. S2CID 26149386.
  12. ^ a b Kim GD, Ni J, Kelesoglu N, Roberts RJ, Pradhan S (August 2002). "Co-operation and communication between the human maintenance and de novo DNA (cytosine-5) methyltransferases". The EMBO Journal. 21 (15): 4183–95. doi:10.1093/emboj/cdf401. PMC 126147. PMID 12145218.
  13. ^ Lehnertz B, Ueda Y, Derijck AA, Braunschweig U, Perez-Burgos L, Kubicek S, Chen T, Li E, Jenuwein T, Peters AH (July 2003). "Suv39h-mediated histone H3 lysine 9 methylation directs DNA methylation to major satellite repeats at pericentric heterochromatin". Current Biology. 13 (14): 1192–200. Bibcode:2003CBio...13.1192L. doi:10.1016/s0960-9822(03)00432-9. PMID 12867029.
  14. ^ Iida T, Suetake I, Tajima S, Morioka H, Ohta S, Obuse C, Tsurimoto T (October 2002). "PCNA clamp facilitates action of DNA cytosine methyltransferase 1 on hemimethylated DNA". Genes to Cells. 7 (10): 997–1007. doi:10.1046/j.1365-2443.2002.00584.x. PMID 12354094. S2CID 25310911.
  15. ^ Chuang LS, Ian HI, Koh TW, Ng HH, Xu G, Li BF (September 1997). "Human DNA-(cytosine-5) methyltransferase-PCNA complex as a target for p21WAF1". Science. 277 (5334): 1996–2000. doi:10.1126/science.277.5334.1996. PMID 9302295.
  16. ^ Robertson KD, Ait-Si-Ali S, Yokochi T, Wade PA, Jones PL, Wolffe AP (July 2000). "DNMT1 forms a complex with Rb, E2F1 and HDAC1 and represses transcription from E2F-responsive promoters". Nature Genetics. 25 (3): 338–42. doi:10.1038/77124. PMID 10888886. S2CID 10983932.
  17. ^ a b Estève PO, Chin HG, Smallwood A, Feehery GR, Gangisetty O, Karpf AR, Carey MF, Pradhan S (November 2006). "Direct interaction between DNMT1 and G9a coordinates DNA and histone methylation during replication". Genes & Development. 20 (22): 3089–103. doi:10.1101/gad.1463706. PMC 1635145. PMID 17085482.
  18. ^ Robertson KD, Keyomarsi K, Gonzales FA, Velicescu M, Jones PA (May 2000). "Differential mRNA expression of the human DNA methyltransferases (DNMTs) 1, 3a and 3b during the G(0)/G(1) to S phase transition in normal and tumor cells". Nucleic Acids Research. 28 (10): 2108–13. doi:10.1093/nar/28.10.2108. PMC 105379. PMID 10773079.
  19. ^ Jones PA, Liang G (November 2009). "Rethinking how DNA methylation patterns are maintained". Nature Reviews. Genetics. 10 (11): 805–11. doi:10.1038/nrg2651. PMC 2848124. PMID 19789556.
  20. ^ Li E, Bestor TH, Jaenisch R (June 1992). "Targeted mutation of the DNA methyltransferase gene results in embryonic lethality". Cell. 69 (6): 915–26. doi:10.1016/0092-8674(92)90611-F. PMID 1606615. S2CID 19879601.
  21. ^ Hirasawa R, Chiba H, Kaneda M, Tajima S, Li E, Jaenisch R, Sasaki H (June 2008). "Maternal and zygotic Dnmt1 are necessary and sufficient for the maintenance of DNA methylation imprints during preimplantation development". Genes & Development. 22 (12): 1607–16. doi:10.1101/gad.1667008. PMC 2428059. PMID 18559477.
  22. ^ Trowbridge JJ, Snow JW, Kim J, Orkin SH (October 2009). "DNA methyltransferase 1 is essential for and uniquely regulates hematopoietic stem and progenitor cells". Cell Stem Cell. 5 (4): 442–9. doi:10.1016/j.stem.2009.08.016. PMC 2767228. PMID 19796624.
  23. ^ Avgustinova A, Benitah SA (October 2016). "Epigenetic control of adult stem cell function". Nature Reviews. Molecular Cell Biology. 17 (10): 643–58. doi:10.1038/nrm.2016.76. PMID 27405257. S2CID 24795361.

Further reading edit

  • Smith SS, Kaplan BE, Sowers LC, Newman EM (May 1992). "Mechanism of human methyl-directed DNA methyltransferase and the fidelity of cytosine methylation". Proceedings of the National Academy of Sciences of the United States of America. 89 (10): 4744–8. Bibcode:1992PNAS...89.4744S. doi:10.1073/pnas.89.10.4744. PMC 49160. PMID 1584813.
  • Bestor T, Laudano A, Mattaliano R, Ingram V (October 1988). "Cloning and sequencing of a cDNA encoding DNA methyltransferase of mouse cells. The carboxyl-terminal domain of the mammalian enzymes is related to bacterial restriction methyltransferases". Journal of Molecular Biology. 203 (4): 971–83. doi:10.1016/0022-2836(88)90122-2. PMID 3210246.
  • Smith SS (1994). "Biological implications of the mechanism of action of human DNA (cytosine-5)methyltransferase". Progress in Nucleic Acid Research and Molecular Biology. 49: 65–111. doi:10.1016/S0079-6603(08)60048-3. ISBN 978-0-12-540049-7. PMID 7863011.
  • Hijmans EM, Voorhoeve PM, Beijersbergen RL, van 't Veer LJ, Bernards R (June 1995). "E2F-5, a new E2F family member that interacts with p130 in vivo". Molecular and Cellular Biology. 15 (6): 3082–9. doi:10.1128/mcb.15.6.3082. PMC 230539. PMID 7760804.
  • Yoder JA, Yen RW, Vertino PM, Bestor TH, Baylin SB (December 1996). "New 5' regions of the murine and human genes for DNA (cytosine-5)-methyltransferase". The Journal of Biological Chemistry. 271 (49): 31092–7. doi:10.1074/jbc.271.49.31092. PMID 8940105.
  • Chuang LS, Ian HI, Koh TW, Ng HH, Xu G, Li BF (September 1997). "Human DNA-(cytosine-5) methyltransferase-PCNA complex as a target for p21WAF1". Science. 277 (5334): 1996–2000. doi:10.1126/science.277.5334.1996. PMID 9302295.
  • Kho MR, Baker DJ, Laayoun A, Smith SS (January 1998). "Stalling of human DNA (cytosine-5) methyltransferase at single-strand conformers from a site of dynamic mutation". Journal of Molecular Biology. 275 (1): 67–79. doi:10.1006/jmbi.1997.1430. PMID 9451440.
  • Baylin SB (September 1997). "Tying it all together: epigenetics, genetics, cell cycle, and cancer". Science. 277 (5334): 1948–9. doi:10.1126/science.277.5334.1948. PMID 9333948. S2CID 40894549.
  • Robertson KD, Uzvolgyi E, Liang G, Talmadge C, Sumegi J, Gonzales FA, Jones PA (June 1999). "The human DNA methyltransferases (DNMTs) 1, 3a and 3b: coordinate mRNA expression in normal tissues and overexpression in tumors". Nucleic Acids Research. 27 (11): 2291–8. doi:10.1093/nar/27.11.2291. PMC 148793. PMID 10325416.
  • Michaelson JS, Bader D, Kuo F, Kozak C, Leder P (August 1999). "Loss of Daxx, a promiscuously interacting protein, results in extensive apoptosis in early mouse development". Genes & Development. 13 (15): 1918–23. doi:10.1101/gad.13.15.1918. PMC 316925. PMID 10444590.
  • Hsu DW, Lin MJ, Lee TL, Wen SC, Chen X, Shen CK (August 1999). "Two major forms of DNA (cytosine-5) methyltransferase in human somatic tissues". Proceedings of the National Academy of Sciences of the United States of America. 96 (17): 9751–6. Bibcode:1999PNAS...96.9751H. doi:10.1073/pnas.96.17.9751. PMC 22282. PMID 10449766.
  • Fuks F, Burgers WA, Brehm A, Hughes-Davies L, Kouzarides T (January 2000). "DNA methyltransferase Dnmt1 associates with histone deacetylase activity". Nature Genetics. 24 (1): 88–91. doi:10.1038/71750. PMID 10615135. S2CID 20428600.
  • Bonfils C, Beaulieu N, Chan E, Cotton-Montpetit J, MacLeod AR (April 2000). "Characterization of the human DNA methyltransferase splice variant Dnmt1b". The Journal of Biological Chemistry. 275 (15): 10754–60. doi:10.1074/jbc.275.15.10754. PMID 10753866.
  • Rountree MR, Bachman KE, Baylin SB (July 2000). "DNMT1 binds HDAC2 and a new co-repressor, DMAP1, to form a complex at replication foci". Nature Genetics. 25 (3): 269–77. doi:10.1038/77023. PMID 10888872. S2CID 26149386.
  • Robertson KD, Ait-Si-Ali S, Yokochi T, Wade PA, Jones PL, Wolffe AP (July 2000). "DNMT1 forms a complex with Rb, E2F1 and HDAC1 and represses transcription from E2F-responsive promoters". Nature Genetics. 25 (3): 338–42. doi:10.1038/77124. PMID 10888886. S2CID 10983932.
  • Tatematsu KI, Yamazaki T, Ishikawa F (August 2000). "MBD2-MBD3 complex binds to hemi-methylated DNA and forms a complex containing DNMT1 at the replication foci in late S phase". Genes to Cells. 5 (8): 677–88. doi:10.1046/j.1365-2443.2000.00359.x. PMID 10947852. S2CID 25185979.
  • Mizuno S, Chijiwa T, Okamura T, Akashi K, Fukumaki Y, Niho Y, Sasaki H (March 2001). "Expression of DNA methyltransferases DNMT1, 3A, and 3B in normal hematopoiesis and in acute and chronic myelogenous leukemia". Blood. 97 (5): 1172–9. doi:10.1182/blood.V97.5.1172. PMID 11222358.
  • Fatemi M, Hermann A, Pradhan S, Jeltsch A (June 2001). "The activity of the murine DNA methyltransferase Dnmt1 is controlled by interaction of the catalytic domain with the N-terminal part of the enzyme leading to an allosteric activation of the enzyme after binding to methylated DNA". Journal of Molecular Biology. 309 (5): 1189–99. doi:10.1006/jmbi.2001.4709. PMID 11399088.
  • Dintilhac A, Bernués J (March 2002). "HMGB1 interacts with many apparently unrelated proteins by recognizing short amino acid sequences". The Journal of Biological Chemistry. 277 (9): 7021–8. doi:10.1074/jbc.M108417200. hdl:10261/112516. PMID 11748221.
  • Di Croce L, Raker VA, Corsaro M, Fazi F, Fanelli M, Faretta M, Fuks F, Lo Coco F, Kouzarides T, Nervi C, Minucci S, Pelicci PG (February 2002). "Methyltransferase recruitment and DNA hypermethylation of target promoters by an oncogenic transcription factor". Science. 295 (5557): 1079–82. Bibcode:2002Sci...295.1079D. doi:10.1126/science.1065173. hdl:11576/2506625. PMID 11834837. S2CID 29532358.
  • Pradhan S, Kim GD (February 2002). "The retinoblastoma gene product interacts with maintenance human DNA (cytosine-5) methyltransferase and modulates its activity". The EMBO Journal. 21 (4): 779–88. doi:10.1093/emboj/21.4.779. PMC 125847. PMID 11847125.
  • Rhee I, Bachman KE, Park BH, Jair KW, Yen RW, Schuebel KE, Cui H, Feinberg AP, Lengauer C, Kinzler KW, Baylin SB, Vogelstein B (April 2002). "DNMT1 and DNMT3b cooperate to silence genes in human cancer cells". Nature. 416 (6880): 552–6. Bibcode:2002Natur.416..552R. doi:10.1038/416552a. PMID 11932749. S2CID 4397868.
  • Jair KW, Bachman KE, Suzuki H, Ting AH, Rhee I, Yen RW, Baylin SB, Schuebel KE (January 2006). "De novo CpG island methylation in human cancer cells". Cancer Research. 66 (2): 682–92. doi:10.1158/0008-5472.CAN-05-1980. PMID 16423997.
  • Ting AH, Jair KW, Schuebel KE, Baylin SB (January 2006). "Differential requirement for DNA methyltransferase 1 in maintaining human cancer cell gene promoter hypermethylation". Cancer Research. 66 (2): 729–35. doi:10.1158/0008-5472.CAN-05-1537. PMID 16424002.
  • Bestor T, Laudano A, Mattaliano R, Ingram V (October 1988). "Cloning and sequencing of a cDNA encoding DNA methyltransferase of mouse cells. The carboxyl-terminal domain of the mammalian enzymes is related to bacterial restriction methyltransferases". Journal of Molecular Biology. 203 (4): 971–83. doi:10.1016/0022-2836(88)90122-2. PMID 3210246.

External links edit

  • GeneReviews/NCBI/NIH/UW entry on DNMT1-Related Dementia, Deafness, and Sensory Neuropathy

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