^Warren, RA (1980). “Modified bases in bacteriophage DNAs”. Annu. Rev. Microbiol.34: 137–158. doi:10.1146/annurev.mi.34.100180.001033. PMID 7002022.
^Wyatt, GR; Cohen, SS (December 1952). “A new pyrimidine base from bacteriophage nucleic acids”. Nature170 (4338): 1072–1073. doi:10.1038/1701072a0. PMID 13013321.
^Kriaucionis, S; Heintz, N (May 2009). “The nuclear DNA base 5-hydroxymethylcytosine is present in Purkinje neurons and the brain”. Science324 (5929): 929–930. doi:10.1126/science.1169786. PMC: 3263819. PMID 19372393. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3263819/.
^Tahiliani M et al. (May 2009). “Conversion of 5-methylcytosine to 5-hydroxymethylcytosine in mammalian DNA by MLL partner TET1”. Science324 (5929): 930–935. doi:10.1126/science.1170116. PMC: 2715015. PMID 19372391. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2715015/.
^ abMünzel M et al. (July 2010). “Quantification of the Sixth DNA Base Hydroxymethylcytosine in the Brain”. Angew. Chem. Int. Ed.49 (31): 5375–5377. doi:10.1002/anie.201002033.
^Szwagierczak A et al. (October 2010). “Sensitive Enzymatic Quantification of 5-Hydroxymethylcytosine in Genomic DNA”. Nucleic Acids Res.38 (19): e181. doi:10.1093/nar/gkq684. PMC: 2965258. PMID 20685817. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2965258/.
^ abcGlobisch D et al. (December 2010). Croft, Anna Kristina. ed. “Tissue Distribution of 5-Hydroxymethylcytosine and Search for Active Demethylation Intermediates”. PLoS ONE5 (12): e15367. doi:10.1371/journal.pone.0015367. PMC: 3009720. PMID 21203455. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3009720/.
^Song C-X et al. (December 2010). “Selective chemical labeling reveals the genome-wide distribution of 5-hydroxymethylcytosine”. Nat. Biotech.29 (1): 68–72. doi:10.1038/nbt.1732.
^Guo, Junjie U.; Su, Yijing; Zhong, Chun; Ming, Guo-li; Song, Hongjun (1 April 2011). “Hydroxylation of 5-Methylcytosine by TET1 Promotes Active DNA Demethylation in the Adult Brain”. Cell145 (3): 423–434. doi:10.1016/j.cell.2011.03.022. PMC: 3088758. PMID 21496894. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3088758/.
^Hackett, JA; Sengupta, R; Zylicz, JJ; Murakami, K; Lee, C; Down, T; Surani, MA (2012-12-06). “Germline DNA demethylation dynamics and imprint erasure through 5-hydroxymethylcytosine”. Science339 (6118): 448–52. doi:10.1126/science.1229277. PMID 23223451.
^Pfaffeneder, Toni; Hackner, Benjamin; Truss, Matthias; Münzel, Martin; Müller, Markus; Deiml, Christian A.; Hagemeier, Christian; Carell, Thomas (30 June 2011). “The Discovery of 5-Formylcytosine in Embryonic Stem Cell DNA”. Angew. Chem. Int. Ed.50 (31): 7008–7012. doi:10.1002/anie.201103899. PMID 21721093.
^Freudenberg, JM; Ghosh, S; Lackford, BL; Yellaboina, S; Zheng, X; Li, R; Cuddapah, S; Wade, PA et al. (April 2012). “Acute depletion of Tet1-dependent 5-hydroxymethylcytosine levels impairs LIF/Stat3 signaling and results in loss of embryonic stem cell identity”. Nucleic Acids Research40 (8): 3364–3377. doi:10.1093/nar/gkr1253. PMC: 3333871. PMID 22210859. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3333871/.
^Teif, Vladimir; Beshnova, Daria A.; Vainshtein, Yevhen; Marth, Caroline; Mallm, Jan-Philipp; Höfer, Thomas; Rippe, Karsten (8 May 2014). “Nucleosome repositioning links DNA (de)methylation and differential CTCF binding during stem cell development”. Genome Research24 (8): 1285-1295. doi:10.1101/gr.164418.113. PMID 24812327.
^A, T, G, C and What?, popsci.com
^Iyer LM et al. (June 2009). “Prediction of novel families of enzymes involved in oxidative and other complex modifications of bases in nucleic acids”. Cell Cycle8 (11): 1698–1710. doi:10.4161/cc.8.11.8580. PMC: 2995806. PMID 19411852. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2995806/.
^Penn, NW; Suwalski, R; O'Riley, C; Bojanowski, K; Yura, R (February 1972). “The presence of 5-hydroxymethylcytosine in animal deoxyribonucleic acid”. Biochem. J.126 (4): 781–790. PMC: 1178489. PMID 4538516. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1178489/.
^Kothari, Rm; Shankar, V (May 1976). “5-Methylcytosine content in the vertebrate deoxyribonucleic acids: species specificity”. Journal of molecular evolution7 (4): 325–329. doi:10.1007/BF01743628. ISSN 0022-2844. PMID 933178.
^5 hydroxymethylcytosine analysis techniques
^Jin SG et al. (Jun 2010) "Examination of the specificity of DNA methylation profiling techniques towards 5-methylcytosine and 5-hydroxymethylcytosine." Nucleic Acids Res. 2010 Jun 1;38(11):e125