cytosine and methionine

cytosine has been researched along with methionine in 86 studies

Research

Studies (86)

Timeframe	Studies, this research(%)	All Research%
pre-1990	65 (75.58)	18.7374
1990's	9 (10.47)	18.2507
2000's	7 (8.14)	29.6817
2010's	5 (5.81)	24.3611
2020's	0 (0.00)	2.80

Authors

Authors	Studies
Kröger, H; Kubsch, D; Lutz, D; Mertens, E; Uecker, W	1
Browne, MJ; Burdon, RH	1
Batey, IL; Brown, DM	1
Demidkina, NP; Kir'ianov, GI; Vaniushin, BF	1
Browne, MJ; Burdon, RH; Turnbull, JF	1
Yamamoto, O	1
Hattaman, S; May, MS	1
Drews, J; Grasmuk, H; Nolan, RD	1
Harbers, B; Harbers, K; Spencer, JH	1
Henney, HR; Zhu, CM	1
Cashman, DP; Kan, YW; Prchal, JT	1
RajBhandary, UL; Seong, BL	1
Kaye, AM; Stollar, V; Winocour, E	1
Kaye, AM; Salomon, R	1
Spielvogel, RL; Turkington, RW	1
Sneider, TW	1
Black, PH; Culp, LA	1
Granieri, A; Scarano, E; Tosi, L	1
Cousens, L; Hattman, S; Schlagman, S	1
Newton, AA; Rubery, ED	2
Nau, F	1
Nass, MM	1
Baliga, BS; Borek, E; Nielsen, HR; Nyholm, K; Sjolin, KE; Wong, R	1
Baumann, L; Baumann, P	1
Hattman, S; Schlagman, S	1
Kröger, H; Kubsch, D; Löwel, M; Lutz, D; Uecker, W	1
Reinert, H; Venner, H; Zimmer, C	1
Billen, D; Whitfield, BL	1
Hattman, S	1
Hidalgo, C; Nash, HA	1
Lee, AS; Sinsheimer, RL	1
Fucík, V; Sormová, Z; Zadrazil, S	1
Billen, D; Schneiderman, MH	1
Borovkova, TV; Fedorov, NA; Kaloshina, GA	1
Cocchiara, R; Eremenko, T; Geraci, D; Granieri, A; Scarano, E; Volpe, P	1
Dubin, DT; Friend, DA	1
Iwashima, A; Kawasaki, T; Nakamura, M; Nose, Y	1
Björk, GR; Svensson, I	1
Moore, BG	1
Pegg, AE	1
Borek, E; Ryan, AM	1
Kalousek, F; Morris, NR	1
Irwin, V; Wachsman, JT	1
Kröger, H; Lutz, D	1
Crathorn, AR; Lawley, PD; Shah, SA; Smith, BA	1
Scarano, E	1
Griffin, AC; Saunders, GF; Shirakawa, S	1
Gough, M; Lederberg, S	1
Lederberg, S	1
Greenberg, JR	1
Brown, GM; Culp, LA; Dore, E	1
Kreis, W	1
Evans, HH; Evans, TE	1
Belozersky, AN; Kadirova, DX; Kokurina, NA; Vanyushin, BF	1
Grippo, P; Iaccarino, M; Parisi, E; Scarano, E	1
Adams, RL; Burdon, RH	1
Aronson, CE; Jaffe, JJ	1
Cooper, IA; Crowther, PJ; Hunter, SD; Woodcock, DM	1
Cooper, IA; Crowther, PJ; Simmons, DL; Woodcock, DM	1
Egerton, RF; Misra, M	1
Kliasheva, RI	1
Follmann, H; Theiss, G	1
Alexandrushkina, NI; Demidkina, NP; Kirnos, MD; Kiryanov, GI; Vanyushin, BF	1
Claeys, KM; Foss, HM; Roberts, CJ; Selker, EU	1
Burnett, AK; Ramsahoye, BH; Taylor, C	1
Cheng, X; Klimasauskas, S; O'Gara, M; Roberts, RJ	1
Lertratanangkoon, K; Savaraj, N; Thomas, ML; Wu, CJ	1
Akcakaya, N; Apak, M; Camcioglu, Y; Cokugras, H; Gokgoz, N; Kayserili, H; Kirdar, B; Onay, T; Topaloglu, O; Tsui, LC; Zielenski, J	1
Cooney, CA; Kodell, RL; Moore, SR; Wolff, GL	1
Le Leu, RK; McIntosh, GH; Young, GP	1
Christiano, AM; Frank, J; Hawk, JL; McGrath, JA; Poh-Fitzpatrick, MB	1
Jo Chitester, B; Walz, FG	1
BOREK, E; SRINIVASAN, PR	1
GOLD, M; HURWITZ, J	1
Furuta, H; Hanabusa, T; Nakagawa, T; Nanjo, K; Nishi, M; Sakagashira, S; Sanke, T; Sasaki, H; Shimajiri, Y; Shimomura, H	1
Kitahara, Y; Ohyama, K; Suda, N	1
Amaral, FR; Carvalho, VM; De Marco, L; de Souza, PE; Gomez, RS; Perdigão, PF	1
Pavlic, A; Waltimo-Sirén, J	1
Chen, Y; Dong, E; Grayson, DR; Guidotti, A; Kundakovic, M	1
Bagnyukova, TV; Beland, FA; James, SJ; Muskhelishvili, L; Pogribny, IP; Shpyleva, SI	1
Amaral, FR; Brito, JA; Carvalho, VM; De Marco, L; de Souza, PE; Gomez, MV; Gomez, RS; Perdigão, PF	1
Bauer, P; Camara, E; Cucurell, D; Cunillera, T; Krämer, UM; Marco-Pallarés, J; Mestres-Missé, A; Münte, TF; Nager, W; Rodriguez-Fornells, A; Schöls, L; Schüle, R; Tempelmann, C	1
Kobayashi, Y; Nohara, K; Okamura, K; Sano, T; Takumi, S; Yanagisawa, H	1
Bhagwat, AS; Guruge, TA; Siriwardena, SU	1
Devlieger, R; Duca, RC; Freson, K; Godderis, L; Huybrechts, I; Koppen, G; Pauwels, S; Straetmans, D; Van Herck, E	1

Reviews

2 review(s) available for cytosine and methionine

Article	Year
ENZYMATIC ALTERATION OF NUCLEIC ACID STRUCTURE. Science (New York, N.Y.), 1964, Aug-07, Volume: 145, Issue:3632 Topics: Adenine; Biochemical Phenomena; Biochemistry; Carbon Isotopes; Cytosine; DNA; DNA, Bacterial; Enzymes; Escherichia coli; Guanine; Metabolism; Methionine; Phosphorus Isotopes; Proteins; Research; RNA; RNA, Messenger; Species Specificity; Thymine; Tritium	1964
From trans-methylation to cytosine methylation: evolution of the methylation hypothesis of schizophrenia. Epigenetics, 2009, Apr-01, Volume: 4, Issue:3 Topics: Animals; Brain; Cytosine; Disease Models, Animal; DNA Methylation; Epigenesis, Genetic; Evolution, Molecular; Humans; Methionine; Methyltransferases; Mice; Neurons; Reelin Protein; Schizophrenia	2009

Other Studies

84 other study(ies) available for cytosine and methionine

Article	Year
DNA-synthesis and DNA-methylation in the spleen of immunized mice. Zeitschrift fur Immunitatsforschung, experimentelle und klinische Immunologie, 1975, Volume: 150, Issue:5 Topics: Adenine; Animals; Cytosine; DNA; Female; Methionine; Methylation; Mice; Spleen; Thymidine; Thymine; Time Factors	1975
The sequence specificity of vertebrate DNA methylation. Nucleic acids research, 1977, Volume: 4, Issue:4 Topics: Animals; Base Sequence; Biological Evolution; Cell Fractionation; Cell Line; Cell Transformation, Neoplastic; Cytosine; Deoxyribonucleotides; DNA; HeLa Cells; L Cells; Methionine; Methylation; Polyomavirus; Species Specificity; Vertebrates	1977
Chemical studies of the tertiary structure of transfer RNA. Iodination of exposed cytosine residues with 125I. Biochimica et biophysica acta, 1977, Feb-03, Volume: 474, Issue:3 Topics: Binding Sites; Cytosine; Escherichia coli; Iodine Radioisotopes; Isotope Labeling; Macromolecular Substances; Methionine; Nucleic Acid Conformation; Phenylalanine; RNA, Transfer; Saccharomyces cerevisiae; Valine	1977
[Methylation of newly synthesized DNA in mouse fibroblast culture]. Biokhimiia (Moscow, Russia), 1979, Volume: 44, Issue:8 Topics: Animals; Cytosine; DNA; DNA (Cytosine-5-)-Methyltransferases; L Cells; Methionine; Methylation; Mice; Thymidine	1979
Evolutionary conservation of methylated sequences in vertebrate nuclear deoxyribonucleic acid. Biochemical Society transactions, 1976, Volume: 4, Issue:6 Topics: Base Sequence; Biological Evolution; Cell Line; Cytosine; DNA; DNA, Neoplasm; HeLa Cells; Methionine; Methylation	1976
Radiation-induced binding of some protein and nucleic acid constituents with macromolecular components in cell systems. Radiation research, 1975, Volume: 61, Issue:2 Topics: Amino Acids; Animals; Carbon Radioisotopes; Cell Line; Cobalt Radioisotopes; Cysteine; Cystine; Cytosine; Dose-Response Relationship, Radiation; Escherichia coli; Gamma Rays; Histidine; Leukemia, Lymphoid; Macromolecular Substances; Methionine; Mice; Phenylalanine; Protein Binding; Purines; Pyrimidines; Radiation Effects; Sulfur Radioisotopes; Thymine; Tritium; Tryptophan; Tyrosine; Uracil	1975
Deoxyribonucleic acid-cytosine methylation by host- and plasmid-controlled enzymes. Journal of bacteriology, 1975, Volume: 122, Issue:1 Topics: Animals; Base Sequence; Cattle; Cell-Free System; Chromatography, DEAE-Cellulose; Coliphages; Cytosine; DNA; DNA Viruses; DNA, Viral; Escherichia coli; Extrachromosomal Inheritance; Methionine; Methylation; Methyltransferases; Pyrimidines; Thymus Gland; Tritium	1975
The stimulation of labelled polynucleotide binding to Krebs II ascites and Escheria coli ribosomes by deacylated tRNAs. FEBS letters, 1975, May-01, Volume: 53, Issue:2 Topics: Adenosine; Amino Acids; Animals; Anticodon; Binding Sites; Carcinoma, Krebs 2; Cytosine; Escherichia coli; Guanine Nucleotides; Humans; Methionine; Peptide Chain Initiation, Translational; Peptide Elongation Factors; Phenylalanine; Poly U; Polynucleotides; Ribosomes; RNA, Transfer; Tritium	1975
Nucleotide clusters in deoxyribonucleic acids. XII. The distribution of 5-methylcytosine in pyrimidine oligonucleotides of mouse L-cell satellite DNA and main band DNA. Biochemical and biophysical research communications, 1975, Sep-16, Volume: 66, Issue:2 Topics: Animals; Base Sequence; Cytosine; DNA; L Cells; Methionine; Mice; Oligonucleotides	1975
DNA methylation pattern during the encystment of Physarum flavicomum. Biochemistry and cell biology = Biochimie et biologie cellulaire, 1990, Volume: 68, Issue:6 Topics: Adenine; Carbon Radioisotopes; Chromatography, High Pressure Liquid; Cytosine; DNA Restriction Enzymes; DNA, Fungal; Methionine; Methylation; Physarum	1990
Hemoglobin Long Island is caused by a single mutation (adenine to cytosine) resulting in a failure to cleave amino-terminal methionine. Proceedings of the National Academy of Sciences of the United States of America, 1986, Volume: 83, Issue:1 Topics: Adenine; Base Sequence; Cytosine; DNA; Female; Globins; Hemoglobins, Abnormal; Histidine; Humans; Male; Methionine; Mutation; Proline; Protein Processing, Post-Translational; RNA, Messenger; Transcription, Genetic	1986
Escherichia coli formylmethionine tRNA: mutations in GGGCCC sequence conserved in anticodon stem of initiator tRNAs affect initiation of protein synthesis and conformation of anticodon loop. Proceedings of the National Academy of Sciences of the United States of America, 1987, Volume: 84, Issue:2 Topics: Anticodon; Base Sequence; Cytosine; Escherichia coli; Genes, Bacterial; Guanine; Kinetics; Methionine; Mutation; Nucleic Acid Conformation; Protein Biosynthesis; RNA, Transfer; RNA, Transfer, Amino Acyl	1987
Synthesis and transmethylation of DNA in polyoma-infected cultures. Virology, 1965, Volume: 27, Issue:2 Topics: Alkylation; Animals; Chromatography, Paper; Culture Techniques; Cytosine; DNA, Viral; Formates; Methionine; Mice; Polyomavirus; Thymidine; Tritium; Virus Cultivation	1965
Methylation of mouse DNA in vivo: di- and tripyrimidine sequences containing 5-methylcytosine. Biochimica et biophysica acta, 1970, Apr-15, Volume: 204, Issue:2 Topics: Animals; Animals, Newborn; Bacillus subtilis; Carbon Isotopes; Chromatography, DEAE-Cellulose; Chromatography, Paper; Culture Techniques; Cytosine; DNA; DNA, Bacterial; Electrophoresis; Embryo, Mammalian; Embryo, Nonmammalian; Female; Methionine; Methylation; Mice; Nucleosides; Phosphoric Monoester Hydrolases; Pregnancy; Pyrimidines; Snakes; Species Specificity; Spleen; Tritium; Venoms	1970
Methylation of deoxyribonucleic acid during hormonal stimulation of mammary cells in vitro. The Journal of biological chemistry, 1971, Jun-25, Volume: 246, Issue:12 Topics: Adenine; Alkaline Phosphatase; Animals; Bromodeoxyuridine; Carbon Isotopes; Cell Differentiation; Centrifugation, Density Gradient; Chromatography, DEAE-Cellulose; Chromatography, Paper; Cytosine; DNA; DNA Replication; Epithelial Cells; Female; Formates; Guanine; Hydrocortisone; Insulin; Kinetics; Mammary Glands, Animal; Methionine; Methylation; Mice; Organ Culture Techniques; Pancreas; Peptide Hydrolases; Phosphoric Monoester Hydrolases; Pregnancy; Prolactin; Ribonucleases; Sheep; Sodium; Thymidine; Thymine; Tritium; Venoms	1971
Methylation of mammalian deoxyribonucleic acid. II. The distribution of 5-methylcytosine in pyrimidine deoxyribonucleotide clusters in Novikoff hepatoma cell deoxyribonucleic acid. The Journal of biological chemistry, 1971, Aug-10, Volume: 246, Issue:15 Topics: Alkaline Phosphatase; Animals; Carbon Isotopes; Carcinoma, Hepatocellular; Cell Line; Cell Nucleus; Chromatography, DEAE-Cellulose; Chromatography, Paper; Culture Techniques; Cytosine; Cytosine Nucleotides; Deamination; Deoxyribonucleotides; DNA, Neoplasm; Formates; Hydrolysis; Liver Neoplasms; Methionine; Methods; Methylation; Neoplasms, Experimental; Phosphoric Monoester Hydrolases; Polynucleotides; Ribonucleases; Snakes; Spectrophotometry; Thymine Nucleotides; Venoms	1971
DNA synthesis in normal and virus-transformed mammalian cells after methionine deprivation. Biochimica et biophysica acta, 1971, Oct-14, Volume: 247, Issue:2 Topics: Animals; Carbon Isotopes; Cell Line; Centrifugation, Density Gradient; Chromatography, Paper; Culture Media; Cytosine; DNA; DNA, Viral; Isotope Labeling; Methionine; Methylation; Mice; Simian virus 40; Tritium; Uridine	1971
Enzymatic DNA modifications in isolated nuclei from developing sea urchin embryos. Experimental cell research, 1972, Volume: 72, Issue:1 Topics: Adenine; Aminohydrolases; Animals; Carbon Isotopes; Cell Fractionation; Cell Nucleus; Chromatography, Paper; Cytosine; Cytosine Nucleotides; DNA; Electron Transport Complex IV; Formates; Guanine; Hot Temperature; Methionine; Methylation; Methyltransferases; Proteins; S-Adenosylmethionine; Sea Urchins; Thymidine; Thymine; Tritium	1972
Isolation of a mutant of Escherichia coli defective in cytosine-specific deoxyribonucleic acid methylase activity and in partial protection of bacteriophage lambda against restriction by cells containing the N-3 drug-resistance factor. Journal of bacteriology, 1973, Volume: 115, Issue:3 Topics: Adenine; Alkanesulfonates; Coliphages; Cytosine; DNA, Bacterial; DNA, Viral; Drug Resistance, Microbial; Escherichia coli; Methionine; Methylation; Methyltransferases; Mutagens; Mutation; Tritium	1973
DNA methylation in normal and tumour virus-transformed cells in tissue culture. I. The level of DNA methylation in BHK21 cells and in BHK21 cells transformed by polyoma virus (PyY cells). Biochimica et biophysica acta, 1973, Sep-28, Volume: 324, Issue:1 Topics: Animals; Carbon Radioisotopes; Cell Line; Cell Transformation, Neoplastic; Chromatography, Paper; Clone Cells; Cricetinae; Cytidine; Cytosine; Deoxyuridine; DNA; Kidney; Methionine; Methylation; Polyomavirus; Thymidine; Time Factors; Tritium; Uridine	1973
Differences in in vivo methylation patterns of tyrosine and histidine transfer ribonucleic acids from rat liver and Novikoff hepatoma. Biochemistry, 1974, Mar-12, Volume: 13, Issue:6 Topics: Adenine; Amino Acyl-tRNA Synthetases; Animals; Carcinoma, Hepatocellular; Chromatography, DEAE-Cellulose; Cytosine; Guanine; Histidine; Hypoxanthines; Liver; Liver Neoplasms; Methionine; Methylation; Neoplasms, Experimental; Rats; Ribonucleotides; RNA, Neoplasm; RNA, Transfer; Tritium; Tyrosine	1974
Differential methylation of mitochondrial and nuclear DNA in cultured mouse, hamster and virus-transformed hamster cells. In vivo and in vitro methylation. Journal of molecular biology, 1973, Oct-15, Volume: 80, Issue:1 Topics: Animals; Avian Sarcoma Viruses; Cell Line; Cell Transformation, Neoplastic; Centrifugation, Density Gradient; Chromatography, Thin Layer; Cricetinae; Cytosine; Deoxycytidine; DNA; DNA, Mitochondrial; Escherichia coli; Kidney; L Cells; Methionine; Methylation; Methyltransferases; Mice; Phosphorus Radioisotopes; Polyomavirus; Subcellular Fractions; Tritium	1973
Beta-aminoisobutyric acid, a new probe for the metabolism of DNA and RNA in normal and tumorous tissue. Cancer research, 1974, Volume: 34, Issue:6 Topics: Aminoisobutyric Acids; Animals; Carbon Radioisotopes; Carcinoma, Hepatocellular; Cytosine; DNA; DNA, Neoplasm; Female; Formates; Hepatectomy; Liver Neoplasms; Liver Regeneration; Methionine; Neoplasms, Experimental; Rats; RNA; RNA, Neoplasm; Thymine; Tritium	1974
Regulation of aspartokinase activity in non-fermentative, marine eubacteria. Archiv fur Mikrobiologie, 1974, Mar-01, Volume: 95, Issue:1 Topics: Aspartic Acid; Bacteria; Cell-Free System; Cytosine; DNA, Bacterial; Enzyme Repression; Feedback; Guanine; Isoleucine; Lysine; Methionine; Phosphotransferases; Seawater; Species Specificity; Stereoisomerism; Threonine; Water Microbiology	1974
Mutants of the N-3 R-factor conditionally defective in hspII modification and deoxyribonucleic acid-cytosine methylase activity. Journal of bacteriology, 1974, Volume: 120, Issue:1 Topics: Alanine; Alkanesulfonates; Coliphages; Cytosine; DNA Viruses; DNA, Bacterial; DNA, Viral; Drug Resistance, Microbial; Escherichia coli; Extrachromosomal Inheritance; Methionine; Methylation; Methyltransferases; Mutagens; Mutation; Suppression, Genetic; Temperature; Tritium; Virus Replication	1974
In vivo methylation of DNA in different organs of rat at various ages. Zeitschrift fur Naturforschung. Teil B. Anorganische Chemie, organische Chemie, Biochemie, Biophysik, Biologie, 1972, Volume: 27, Issue:8 Topics: Age Factors; Animals; Animals, Newborn; Cytosine; DNA; Female; Kidney; Liver; Methionine; Methylation; Myocardium; Rats; Spleen; Tritium	1972
Possible DNA structure in the region of initiation of the transcription. FEBS letters, 1974, Sep-15, Volume: 46, Issue:1 Topics: Carbon Radioisotopes; Cytosine; DNA; DNA, Bacterial; Hydrolysis; Methionine; Mutation; Proteus; Species Specificity; Streptomyces; Transcription, Genetic	1974
In vivo methylation of Escherichia coli DNA following ultraviolet and x-irradiation. Journal of molecular biology, 1972, Feb-14, Volume: 63, Issue:3 Topics: Adenine; Carbon Isotopes; Cytosine; DNA Replication; DNA, Bacterial; Escherichia coli; Methionine; Methylation; Radiation Effects; Tritium; Ultraviolet Rays	1972
Plasmid-controlled variation in the content of methylated bases in bacteriophage lambda deoxyribonucleic acid. Journal of virology, 1972, Volume: 10, Issue:3 Topics: Adenine; Base Sequence; Cell-Free System; Centrifugation, Density Gradient; Chromatography, Paper; Coliphages; Cytosine; DNA, Bacterial; DNA, Viral; Escherichia coli; Extrachromosomal Inheritance; Genetics, Microbial; Lysogeny; Methionine; Methylation; Tritium	1972
Methylation pattern of lambda deoxyribonucleic acid. Journal of virology, 1972, Volume: 10, Issue:5 Topics: Adenine; Autoradiography; Base Sequence; Carbon Isotopes; Centrifugation, Density Gradient; Chromatography, Thin Layer; Coliphages; Cytosine; DNA, Single-Stranded; DNA, Viral; Escherichia coli; Guanine; Methionine; Methylation; Molecular Weight; Nucleic Acid Denaturation; Nucleotides; Phosphorus Isotopes; Tritium	1972
Location of the 5-methylcytosine group on the bacteriophage phi X174 genome. Journal of virology, 1974, Volume: 14, Issue:4 Topics: Cell-Free System; Centrifugation, Density Gradient; Coliphages; Cytosine; DNA Nucleotidyltransferases; DNA Viruses; DNA, Single-Stranded; DNA, Viral; Electrophoresis, Polyacrylamide Gel; Endonucleases; Escherichia coli; Genes; Haemophilus influenzae; Methionine; Nucleic Acid Denaturation; Nucleotides; Phosphorus Radioisotopes; Templates, Genetic; Tritium	1974
Fractionation of DNA from Bacillus subtilis and its transforming activity for various markers. Biochemical genetics, 1972, Volume: 7, Issue:1 Topics: Adenine; Bacillus subtilis; Base Sequence; Cell Fractionation; Centrifugation, Density Gradient; Centrifugation, Zonal; Chromatography, Gel; Chromatography, Ion Exchange; Cytosine; DNA, Bacterial; Guanine; Leucine; Methionine; Molecular Weight; Phosphorus Isotopes; Spectrophotometry; Thymidine; Transformation, Genetic; Tritium	1972
Methylation rapidly reannealing DNA during the cell cycle of Chinese hamster cells. Biochimica et biophysica acta, 1973, May-18, Volume: 308, Issue:3 Topics: Animals; Bromodeoxyuridine; Carbon Isotopes; Cells, Cultured; Computers; Cricetinae; Culture Media; Cytosine; Deoxycytidine; DNA; DNA Replication; Female; Kinetics; Methionine; Methylation; Mitosis; Nucleic Acid Denaturation; Nucleic Acid Renaturation; Nucleotides; Ovary; Thymidine; Thymine; Tritium	1973
[Methylation of DNA cytosine in lymphocytes of healthy subjects and in chronic lympholeukosis]. Biulleten' eksperimental'noi biologii i meditsiny, 1973, Volume: 76, Issue:9 Topics: Adenine; Carbon Radioisotopes; Cytosine; DNA; DNA, Neoplasm; Guanine; Humans; Leukemia, Lymphoid; Lymphocytes; Methionine; Methylation; Thymine	1973
Correlation between synthesis and methylation of DNA in HeLa cells. Biochemical and biophysical research communications, 1974, Mar-25, Volume: 57, Issue:2 Topics: Carbon Radioisotopes; Cell Division; Cell Nucleus; Chromatography, Paper; Cytosine; DNA, Neoplasm; HeLa Cells; Isotope Labeling; Methionine; Methylation; S-Adenosylmethionine; Thymidine; Time Factors; Tritium	1974
Methylation properties of mitochondrion-specific transfer RNA from cultured hamster cells. Biochimica et biophysica acta, 1974, Mar-27, Volume: 340, Issue:3 Topics: Adenine; Adenine Nucleotides; Animals; Biological Evolution; Carbon Radioisotopes; Cell Line; Chromatography, Paper; Cricetinae; Cytosine; Electrophoresis, Paper; Electrophoresis, Polyacrylamide Gel; Ethidium; Guanine; Kidney; Methionine; Methylation; Mitochondria; Phosphorus Radioisotopes; Ribose; RNA, Transfer; Species Specificity	1974
Effect of amino acids and purine bases on thiamine synthesis by Escherichia coli. The Journal of vitaminology, 1968, Sep-10, Volume: 14, Issue:3 Topics: Adenine; Amino Acids; Aspartic Acid; Culture Media; Cystine; Cytosine; Escherichia coli; Glutamates; Glycine; Guanine; Histidine; Hypoxanthines; Inositol; Isoleucine; Leucine; Methionine; Phenylalanine; Proline; Purines; Serine; Thiamine; Thiazoles; Threonine; Thymine; Tyrosine; Uracil; Valine	1968
Studies on microbial RNA. Fractionation of tRNA methylases from Saccharomyces cerevisiae. European journal of biochemistry, 1969, Volume: 9, Issue:2 Topics: Adenine; Carbon Isotopes; Chemical Precipitation; Chromatography, Thin Layer; Cytosine; Escherichia coli; Guanine; Magnesium; Manganese; Methionine; Methylation; Nucleosides; Nucleotides; Ribose; RNA, Bacterial; RNA, Transfer; Saccharomyces; Thymine; Transferases	1969
Differential inhibition of bacterial tRNA methylases by S-adenosylethionine and other adenine derivatives. Canadian journal of biochemistry, 1970, Volume: 48, Issue:6 Topics: Adenine; Carbon Isotopes; Chromatography, Ion Exchange; Cytosine; Escherichia coli; Guanine; Methionine; Methylation; RNA, Bacterial; RNA, Transfer; Transferases; Uracil	1970
The effects of diamines and polyamines on enzymic methylation of nucleic acid. Biochimica et biophysica acta, 1971, Apr-08, Volume: 232, Issue:4 Topics: Acridines; Adenine; Amines; Animals; Biphenyl Compounds; Carbon Isotopes; Chromatography, Paper; Cytosine; Depression, Chemical; Dialysis; Escherichia coli; Guanine; Kidney; Liver; Magnesium; Male; Metabolism; Methionine; Methyltransferases; Osmolar Concentration; Phenanthridines; Polyamines; Rats; RNA, Bacterial; RNA, Transfer; S-Adenosylmethionine; Spermine; Spleen; Stimulation, Chemical; Streptomycin; Thymine; Transferases	1971
Methylation of DNA in ultraviolet-irradiated bacteria. Biochimica et biophysica acta, 1971, Jun-30, Volume: 240, Issue:2 Topics: Adenine; Carbon Isotopes; Chromatography, Paper; Cytosine; Deoxyribonucleases; DNA; DNA, Bacterial; Escherichia coli; Methionine; Methylation; Methyltransferases; Nucleic Acid Denaturation; Pancreas; Radiation Effects; Ribonucleases; S-Adenosylmethionine; Time Factors; Tritium; Ultraviolet Rays; Uracil	1971
The purification and properties of deoxyribonucleic acid methylase from rat spleen. The Journal of biological chemistry, 1969, Mar-10, Volume: 244, Issue:5 Topics: Amino Acids; Animals; Bacillus subtilis; Cattle; Cell Nucleus; Chemical Precipitation; Chromatography, Paper; Chromosomes; Cytosine; Deoxyribonucleases; DNA; DNA, Bacterial; Escherichia coli; Ethionine; Female; Hot Temperature; Hydrogen-Ion Concentration; Kidney; Liver; Male; Methionine; Methods; Methylation; Mice; Nucleic Acid Denaturation; Rabbits; Rats; Spleen; Testis; Thymus Gland; Transferases	1969
Methylated bases of Bacillus megaterium KM nucleic acids: comparison with Escherichia coli. Journal of bacteriology, 1970, Volume: 104, Issue:2 Topics: Adenine; Bacillus megaterium; Carbon Isotopes; Chromatography, Paper; Culture Media; Cytosine; DNA, Bacterial; Escherichia coli; Freeze Drying; Genetics, Microbial; Methionine; Methylation; Mutation; RNA, Bacterial; Species Specificity; Thymine; Transferases; Tritium	1970
[Relation between DNA methylation and DNA synthesis in the animal body]. Hoppe-Seyler's Zeitschrift fur physiologische Chemie, 1972, Volume: 353, Issue:5 Topics: Age Factors; Animals; Carbon Isotopes; Cytosine; DNA; Liver; Methionine; Methylation; Rats; Thymidine; Tritium	1972
Biomethylation of deoxyribonucleic acid in cultured human tumour cells (HeLa). Methylated bases other than 5-methylcytosine not detected. The Biochemical journal, 1972, Volume: 128, Issue:1 Topics: Carbon Isotopes; Chromatography, Paper; Cytosine; DNA, Neoplasm; HeLa Cells; Humans; Methionine; Methylation; Purines	1972
The control of gene function in cell differentiation and in embryogenesis. Advances in cytopharmacology, 1971, Volume: 1 Topics: Aminohydrolases; Animals; Bacterial Physiological Phenomena; Cell Differentiation; Chromosomes; Cytosine; DNA; DNA Replication; DNA-Directed RNA Polymerases; Embryo, Nonmammalian; Embryonic and Fetal Development; Genes; Genes, Regulator; Methionine; Methylation; Protein Biosynthesis; Regeneration; Sea Urchins; Thymine; Transcription, Genetic	1971
In vivo methylation of DNA in human leukocytes. Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.), 1971, Volume: 138, Issue:1 Topics: Adenine; Cytosine; DNA; Guanine; Humans; Leukemia, Lymphoid; Leukemia, Myeloid, Acute; Leukocytes; Methionine; Methylation; Thymine; Tritium	1971
Methylated bases in the host-modified deoxyribonucleic acid of Escherichia coli and bacteriophage lambda. Journal of bacteriology, 1966, Volume: 91, Issue:4 Topics: Alkylation; Carbon Isotopes; Chromatography; Coliphages; Cytosine; DNA, Bacterial; DNA, Viral; Escherichia coli; In Vitro Techniques; Methionine; Purines	1966
5-Methylcytosine in the host-modified DNA of Escherichia coli and phage lambda. Journal of molecular biology, 1966, Volume: 17, Issue:1 Topics: Alkylation; Chromatography, Paper; Coliphages; Cytosine; DNA, Bacterial; DNA, Viral; Escherichia coli; Methionine; Mutation; Tritium	1966
Synthesis and properties of ribosomal RNA in Drosophila. Journal of molecular biology, 1969, Nov-28, Volume: 46, Issue:1 Topics: Animals; Centrifugation, Density Gradient; Culture Techniques; Cytosine; Drosophila; Guanine; HeLa Cells; Hot Temperature; Methionine; Ribosomes; RNA; Salivary Glands; Tritium	1969
Methylated bases in DNA of animal origin. Archives of biochemistry and biophysics, 1970, Volume: 136, Issue:1 Topics: Animals; Carbon Isotopes; Chick Embryo; Chromatography, Ion Exchange; Chromatography, Paper; Culture Techniques; Cytosine; DNA; DNA, Neoplasm; Guanine; HeLa Cells; Humans; L Cells; Lung; Methionine; Methylation; Peptide Hydrolases; Purinones; Pyrimidinones; Thymine	1970
Metabolism of an antineoplastic methylhydrazine derivative in a P815 mouse neoplasm. Cancer research, 1970, Volume: 30, Issue:1 Topics: Adenine; Animals; Antineoplastic Agents; Benzoates; Carbon Isotopes; Cell Line; Chromatography, Paper; Chromatography, Thin Layer; Cytoplasm; Cytosine; Female; Guanine; Hydrazines; Male; Methionine; Mice; Neoplasms, Experimental; RNA, Neoplasm; Thymine; Tritium	1970
Methylation of the deoxyribonucleic acid of Physarum polycephalum at various periods during the mitotic cycle. The Journal of biological chemistry, 1970, Dec-10, Volume: 245, Issue:23 Topics: Amino Acids; Carbon Isotopes; Chromosomes; Cytosine; DNA; Methionine; Methylation; Mitochondria; Mitosis; Myxomycetes; Phosphorus Isotopes; Tritium	1970
A simple paper chromatographic method for separation of methylated adenines and cytosine from the major bases found in nucleic acids. Analytical biochemistry, 1971, Volume: 42, Issue:1 Topics: Adenine; Base Sequence; Carbon Isotopes; Cellulose; Chromatography, Paper; Cytosine; DNA; Guanine; Hydrolysis; Methionine; Methods; Methylation; Nucleic Acids; Nucleotides; Phosphoric Acids; Purines; Pyrimidines; RNA; RNA, Ribosomal; Thymine; Tritium; Uracil	1971
5-methylcytosine and 6-methylamino-purine in bacterial DNA. Nature, 1968, Jun-15, Volume: 218, Issue:5146 Topics: Carbon Isotopes; Chromatography, Paper; Cytosine; DNA, Bacterial; Methionine; Methylation; Purines; Spectrophotometry; Tritium	1968
Methylation of DNA in developing sea urchin embryos. Journal of molecular biology, 1968, Sep-14, Volume: 36, Issue:2 Topics: Animals; Biological Transport, Active; Carbon Isotopes; Chromatography, Paper; Chromatography, Thin Layer; Cytosine; DNA; Embryo, Nonmammalian; Hydrolysis; Methionine; Methods; Methylation; Sea Urchins; Serine; Time Factors; Tritium	1968
The in vivo methylation of DNA in mouse fibroblasts. Biochimica et biophysica acta, 1969, Jan-21, Volume: 174, Issue:1 Topics: Animals; Colorimetry; Culture Techniques; Cytosine; Depression, Chemical; DNA; DNA Replication; Drug Stability; Fibroblasts; Hydroxyurea; L Cells; Methionine; Methylation; Mice; Mitosis; Protein Biosynthesis; Pyrimidines; Thymidine; Time Factors; Tritium	1969
Some aspects of methionine metabolism by Trypanosoma equiperdum, in vitro. Biochemical pharmacology, 1966, Volume: 15, Issue:12 Topics: Animals; Autoanalysis; Carbon Isotopes; Choline; Chromatography, Paper; Cytosine; DNA; Ethionine; Glucose; Lipids; Male; Methionine; Proteins; Purines; Pyrimidines; Rats; RNA; Spectrum Analysis; Tritium; Trypanosoma; Uracil	1966
DNA sequences showing a delay in cytosine methylation after replication. Time course of methylation in synchronized mammalian cell populations and relationship to DNAase I sensitive domains. Biochimica et biophysica acta, 1983, Oct-13, Volume: 741, Issue:1 Topics: Animals; Cell Line; Cricetinae; Cricetulus; Cytosine; Deoxyribonuclease I; DNA; DNA (Cytosine-5-)-Methyltransferases; DNA Replication; DNA, Neoplasm; Endodeoxyribonucleases; Female; Flow Cytometry; Humans; Kinetics; Leukemia, Lymphoid; Methionine; Methylation; Ovary	1983
Sequence specificity of cytosine methylation in the DNA of the Chinese hamster ovary (CHO-K1) cell line. Biochimica et biophysica acta, 1984, Dec-14, Volume: 783, Issue:3 Topics: Animals; Base Sequence; Carbon Radioisotopes; Cell Line; Cricetinae; Cricetulus; Cytosine; DNA; Female; Kinetics; Methionine; Methylation; Nucleic Acid Renaturation; Ovary; Thymidine; Tritium	1984
Assessment of electron irradiation damage to biomolecules by electron diffraction and electron energy-loss spectroscopy. Ultramicroscopy, 1984, Volume: 15, Issue:4 Topics: Adenine; Amino Acids; Cysteine; Cytosine; Electrons; Methionine; Microscopy, Electron; Pyrimidinones; Spectrum Analysis; Thymine; Uracil; Valine	1984
[Effect of vitamin B12 on liver and kidney DNA methylation in guinea pigs in the presence of methionine and ATP]. Nauchnye doklady vysshei shkoly. Biologicheskie nauki, 1983, Issue:10 Topics: 5-Methylcytosine; Adenosine Triphosphate; Animals; Cytosine; DNA; Drug Interactions; Guinea Pigs; Kidney; Liver; Male; Methionine; Methylation; Vitamin B 12	1983
5-Methylcytosine formation in wheat embryo DNA. Biochemical and biophysical research communications, 1980, May-14, Volume: 94, Issue:1 Topics: 5-Methylcytosine; Cytosine; DNA (Cytosine-5-)-Methyltransferases; DNA Replication; Kinetics; Methionine; Methyltransferases; Plants; S-Adenosylmethionine; Serine; Triticum	1980
Methylation of DNA in L cells on replication. FEBS letters, 1980, Apr-07, Volume: 112, Issue:2 Topics: 5-Methylcytosine; Animals; Cell Division; Cytosine; DNA; DNA Replication; L Cells; Methionine; Methylation; Mice; Oligodeoxyribonucleotides	1980
Abnormal chromosome behavior in Neurospora mutants defective in DNA methylation. Science (New York, N.Y.), 1993, Dec-10, Volume: 262, Issue:5140 Topics: 5-Methylcytosine; Aneuploidy; Azacitidine; Blotting, Southern; Chromosomes, Fungal; Crosses, Genetic; Cytosine; DNA, Fungal; Genes, Fungal; Genetic Complementation Test; Methionine; Methylation; Mutation; Neurospora crassa; Phenotype; S-Adenosylmethionine	1993
Nucleic acid composition of bone marrow mononuclear cells in cobalamin deficiency. Blood, 1996, Mar-01, Volume: 87, Issue:5 Topics: 5-Methylcytosine; Aged; Aged, 80 and over; Anemia, Megaloblastic; Artifacts; Bone Marrow; Chromatography, High Pressure Liquid; Cytosine; Deamination; DNA; DNA Glycosylases; Female; Humans; Male; Methionine; Methylation; Middle Aged; N-Glycosyl Hydrolases; Reproducibility of Results; Uracil; Uracil-DNA Glycosidase; Vitamin B 12 Deficiency	1996
Enzymatic C5-cytosine methylation of DNA: mechanistic implications of new crystal structures for HhaL methyltransferase-DNA-AdoHcy complexes. Journal of molecular biology, 1996, Sep-06, Volume: 261, Issue:5 Topics: Base Sequence; Crystallography, X-Ray; Cytosine; DNA; DNA Methylation; DNA-Cytosine Methylases; Methionine; Models, Molecular; Molecular Sequence Data; Nucleic Acid Conformation; Protein Conformation; Protons; S-Adenosylhomocysteine	1996
Alterations of DNA methylation by glutathione depletion. Cancer letters, 1997, Dec-09, Volume: 120, Issue:2 Topics: Animals; Bromobenzenes; Cricetinae; Cytosine; DNA Methylation; DNA-Cytosine Methylases; Glutathione Transferase; Male; Methionine; Time Factors	1997
Analysis of the CFTR gene in Turkish cystic fibrosis patients: identification of three novel mutations (3172delAC, P1013L and M1028I). Human genetics, 1998, Volume: 102, Issue:2 Topics: Adenine; Amino Acid Substitution; Cystic Fibrosis; Cystic Fibrosis Transmembrane Conductance Regulator; Cytosine; Frameshift Mutation; Humans; Isoleucine; Leucine; Methionine; Mutation; Polymorphism, Genetic; Proline; Sequence Deletion; Turkey	1998
Maternal epigenetics and methyl supplements affect agouti gene expression in Avy/a mice. FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 1998, Volume: 12, Issue:11 Topics: 5-Methylcytosine; Agouti Signaling Protein; Animals; Betaine; Choline; Cytosine; Dietary Supplements; Female; Folic Acid; Gene Expression Regulation; Genomic Imprinting; Hair Color; Intercellular Signaling Peptides and Proteins; Male; Methionine; Mice; Mice, Inbred Strains; Pregnancy; Proteins; S-Adenosylmethionine; Vitamin B 12; Zinc	1998
Ability of endogenous folate from soy protein isolate to maintain plasma homocysteine and hepatic DNA methylation during methyl group depletion in rats. Journal of nutritional science and vitaminology, 1998, Volume: 44, Issue:3 Topics: 5-Methylcytosine; Animals; Caseins; Choline Deficiency; Cytosine; Dietary Proteins; DNA; DNA Methylation; Folic Acid; Folic Acid Deficiency; Homocysteine; Liver; Male; Methionine; Rats; Rats, Sprague-Dawley; Soybean Proteins; Weaning	1998
Mutations in the translation initiation codon of the protoporphyrinogen oxidase gene underlie variegate porphyria. Clinical and experimental dermatology, 1999, Volume: 24, Issue:4 Topics: Adenosine; Adult; Chromosomes, Human, Pair 1; Codon, Initiator; Cytosine; Female; Flavoproteins; Humans; Leucine; Male; Methionine; Middle Aged; Mitochondrial Proteins; Mutation, Missense; Nucleic Acid Heteroduplexes; Oxidoreductases; Oxidoreductases Acting on CH-CH Group Donors; Point Mutation; Porphyrias, Hepatic; Porphyrins; Protein Biosynthesis; Protoporphyrinogen Oxidase; RNA, Messenger; Threonine; Thymine	1999
Kinetic studies of guanine recognition and a phosphate group subsite on ribonuclease T1 using substitution mutants at Glu46 and Lys41. Archives of biochemistry and biophysics, 2002, Oct-01, Volume: 406, Issue:1 Topics: Amino Acid Sequence; Amino Acid Substitution; Base Sequence; Binding Sites; Conserved Sequence; Cytosine; Dinucleoside Phosphates; DNA Primers; Glutamine; Guanine; Kinetics; Lysine; Methionine; Mutagenesis, Site-Directed; Phosphates; Poly I; Recombinant Proteins; Ribonuclease T1; Serine; Substrate Specificity	2002
THE ENZYMATIC METHYLATION OF RIBONUCLEIC ACID AND DEOXYRIBONUCLEIC ACID. V. PURIFICATION AND PROPERTIES OF THE DEOXYRIBONUCLEIC ACID-METHYLATING ACTIVITY OF ESCHERICHIA COLI. The Journal of biological chemistry, 1964, Volume: 239 Topics: Alkylation; Carbon Isotopes; Chromatography; Cytosine; DNA; DNA, Bacterial; Enzyme Inhibitors; Escherichia coli; Homocysteine; Methionine; Methylation; Purines; Research; RNA; RNA, Bacterial; Spectrophotometry	1964
Molecular scanning of the betacellulin gene for mutations in type 2 diabetic patients. Diabetes research and clinical practice, 2005, Volume: 68, Issue:3 Topics: Aged; Amino Acid Substitution; Base Sequence; Betacellulin; Cysteine; Cytosine; Diabetes Mellitus, Type 2; Female; Genetic Testing; Genetic Variation; Glycine; Humans; Intercellular Signaling Peptides and Proteins; Leucine; Male; Methionine; Middle Aged; Molecular Sequence Data; Mutation; Mutation, Missense; Polymorphism, Single Nucleotide; Thymine; Transcription Initiation Site	2005
A case of amelogenesis imperfecta, cleft lip and palate and polycystic kidney disease. Orthodontics & craniofacial research, 2006, Volume: 9, Issue:1 Topics: Adult; Alkaline Phosphatase; Amelogenesis Imperfecta; Amelogenin; Calcitonin; Calcium; Cleft Lip; Cleft Palate; Cytosine; Dental Enamel Proteins; DNA-Binding Proteins; Hematuria; Homeodomain Proteins; Humans; Male; Malocclusion, Angle Class II; Methionine; Mutation, Missense; Nephrocalcinosis; Parathyroid Hormone; Phosphates; Polycystic Kidney Diseases; Retrognathia; Threonine; Thymine	2006
Novel mutations in the SH3BP2 gene associated with sporadic central giant cell lesions and cherubism. Oral diseases, 2009, Volume: 15, Issue:1 Topics: Adaptor Proteins, Signal Transducing; Adenine; Adult; Cherubism; Child; Cytosine; Exons; Female; Germ-Line Mutation; Glutamine; Granuloma, Giant Cell; Heterozygote; Humans; Jaw Diseases; Leucine; Male; Methionine; Middle Aged; Mutation; Mutation, Missense; src Homology Domains; Threonine; Thymine; Young Adult	2009
Clinical and microstructural aberrations of enamel of deciduous and permanent teeth in patients with autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy. Archives of oral biology, 2009, Volume: 54, Issue:7 Topics: Adolescent; AIRE Protein; Amelogenesis; Arginine; Asparagine; Child; Cuspid; Cytosine; Dental Enamel; Dental Enamel Hypoplasia; Dentin; DNA-Binding Proteins; Female; Gene Deletion; Humans; Male; Methionine; Microscopy, Electron, Scanning; Molar; Mutation; Polyendocrinopathies, Autoimmune; Thymine; Tooth, Deciduous; Transcription Factors; Zinc Fingers	2009
Role of DNA damage and alterations in cytosine DNA methylation in rat liver carcinogenesis induced by a methyl-deficient diet. Mutation research, 2009, Oct-02, Volume: 669, Issue:1-2 Topics: 8-Hydroxy-2'-Deoxyguanosine; Animals; Choline Deficiency; CpG Islands; Cytosine; Deoxyguanosine; Diet, Reducing; DNA Damage; DNA Methylation; DNA, Neoplasm; Liver Neoplasms, Experimental; Male; Methionine; Rats; Rats, Inbred F344	2009
NFATc1 and TNFalpha expression in giant cell lesions of the jaws. Journal of oral pathology & medicine : official publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology, 2010, Volume: 39, Issue:3 Topics: Adaptor Proteins, Signal Transducing; Adenosine; Cell Nucleus; Cherubism; Cytosine; Exons; Gene Expression Regulation; Giant Cells; Glutamine; Granuloma, Giant Cell; Heterozygote; Humans; Jaw Diseases; Leucine; Methionine; Mutation; NFATC Transcription Factors; Polymorphism, Genetic; src Homology Domains; Threonine; Thymine; Transcription, Genetic; Tumor Necrosis Factor-alpha	2010
The effects of COMT (Val108/158Met) and DRD4 (SNP -521) dopamine genotypes on brain activations related to valence and magnitude of rewards. Cerebral cortex (New York, N.Y. : 1991), 2010, Volume: 20, Issue:8 Topics: Adolescent; Adult; Amino Acid Substitution; Brain Chemistry; Catechol O-Methyltransferase; Cerebral Cortex; Corpus Striatum; Cytosine; Dopamine; Female; Genetic Variation; Genotype; Humans; Individuality; Male; Methionine; Parietal Lobe; Polymorphism, Single Nucleotide; Receptors, Dopamine D4; Reward; Risk-Taking; Transcriptional Activation; Valine; Young Adult	2010
The effect of a methyl-deficient diet on the global DNA methylation and the DNA methylation regulatory pathways. Journal of applied toxicology : JAT, 2015, Volume: 35, Issue:12 Topics: 5-Methylcytosine; 8-Hydroxy-2'-Deoxyguanosine; Animals; Choline Deficiency; Cytosine; Deoxyguanosine; DNA Methylation; Fatty Liver; Gene Expression Regulation, Enzymologic; Liver; Male; Methionine; Mice, Inbred C57BL; Oxidative Stress; S-Adenosylhomocysteine; S-Adenosylmethionine	2015
Characterization of the Catalytic Domain of Human APOBEC3B and the Critical Structural Role for a Conserved Methionine. Journal of molecular biology, 2015, Sep-25, Volume: 427, Issue:19 Topics: 5-Methylcytosine; Amino Acid Sequence; Catalytic Domain; Cytidine Deaminase; Cytosine; Humans; Methionine; Models, Molecular; Molecular Sequence Data; Mutation; Protein Multimerization; Proteins	2015
Maternal Methyl-Group Donor Intake and Global DNA (Hydroxy)Methylation before and during Pregnancy. Nutrients, 2016, Aug-06, Volume: 8, Issue:8 Topics: 5-Methylcytosine; Adult; Belgium; Betaine; Biomarkers; Choline; Cohort Studies; Cytosine; Diet; Dietary Supplements; DNA Methylation; Feeding Behavior; Female; Folic Acid; Humans; Hydroxylation; Leukocytes; Longitudinal Studies; Maternal Nutritional Physiological Phenomena; Methionine; Pregnancy; Prospective Studies; Self Report	2016