"Yoshiaki Masaki,Hugo Itou,Yuki Oda,Kazufumi Yamazaki,Nobuhiro Tago,Kentaro Ohno,Nozomi Ishii,Hirosuke Tsunoda,Takashi Kanamori,Akihiro Ohkubo,Mitsuo Sekine,Kohji Seio","Enzymatic synthesis and reverse transcription of RNAs incorporating 2'-O-carbamoyl uridine triphosphate",,"Chemical Communications",,,,,2016,Sept.
"T. Yamada,Y. Masaki,N. Okaniwa,T. Kanamori,A. Ohkubo,H. Tsunoda,K. Seio,M. Sekine","Synthesis and properties of oligonucleotides modified with 2 '-O-(2-carboxyethyl)nucleotides and their carbamoyl derivatives",,"ORGANIC & BIOMOLECULAR CHEMISTRY",,"Vol. 12","No. 33","pp. 6457-6464",2014,
"K. Yamada,Y. Masaki,H. Tsunoda,A. Ohkubo,K. Seio,M. Sekine","A new modified cytosine base capable of base pairing with guanine using four hydrogen bonds",,"ORGANIC & BIOMOLECULAR CHEMISTRY",,"Vol. 12","No. 14","pp. 2255-2262",2014,
"Y. Masaki,R. Miyasaka,K. Hirai,T. Kanamori,H. Tsunoda,A. Ohkubo,K. Seio,M. Sekine","Properties of 5- and/or 2-modified 2 '-O-cyanoethyl uridine residue: 2 '-O-cyanoethyl-5-propynyl-2-thiouridine as an efficient duplex stabilizing component",,"ORGANIC & BIOMOLECULAR CHEMISTRY",,"Vol. 12","No. 7","pp. 1157-1162",2014,
"K. Seio,M. Tokugawa,H. Tsunoda,A. Ohkubo,F. Arisaka,M. Sekine","Assembly of pyrene-modified DNA/RNA duplexes incorporating a G-rich single strand region",,"BIOORGANIC & MEDICINAL CHEMISTRY LETTERS",,"Vol. 23","No. 24","pp. 6822-6824",2013,Dec.
"K. Seio,T. Kanamori,M. Tokugawa,H. Ohzeki,Y. Masaki,H. Tsunoda,A. Ohkubo,M. Sekine","Fluorescent properties of oligonucleotides doubly modified with an indole-fused cytosine analog and 2-aminopurine",,"BIOORGANIC & MEDICINAL CHEMISTRY",,"Vol. 21","No. 11","pp. 3197-3201",2013,June
"K. Seio,M. Tokugawa,T. Kanamori,H. Tsunoda,A. Ohkubo,M. Sekine","Synthesis and properties of cationic 2 '-O- N-(4-aminobutyl)carbamoyl modified oligonucleotides",,"BIOORGANIC & MEDICINAL CHEMISTRY LETTERS",,"Vol. 22","No. 7","pp. 2470-2473",2012,Apr.
"T. Harakawa,H. Tsunoda,A. Ohkubo,K. Seio,M. Sekine","Development of an efficient method for phosphorodiamidate bond formation by using inorganic salts",,"Bioorganic & Medicinal Chemistry Letters",,"Vol. 22","No. 3","pp. 1445-1447",2012,Feb.
"A. Ohkubo,N. Tago,A. Yokouchi,; Y. Nishino,K. Yamada,H. Tsunoda,K. Seio,M. Sekine","Synthesis of 5 '-terminal capped oligonucleotides using O-N phosphoryl migration of phosphoramidite derivatives",,"ORGANIC LETTERS",,"Vol. 14","No. 1","pp. 10-13",2012,Jan.
"K. Seio,S. Kurohagi,E. Kodama,Y. Masaki,H. Tsunoda,A. Ohkubo,M. Sekine","Short-RNA selective binding of oligonucleotides modified using adenosine and guanosine derivatives that possess cyclohexyl phosphates as substituents",,"ORGANIC & BIOMOLECULAR CHEMISTRY",,"Vol. 10","No. 5","pp. 994-1006",2012,
"A. Ohkubo,Y. Nishino,Y. Ito,H. Tsunoda,K. Seio,M. Sekine","Formation of new base pairs between inosine and 5-methyl-2-thiocytidine derivatives",,"ORGANIC & BIOMOLECULAR CHEMISTRY",,"Vol. 10","No. 10","pp. 2008-2010",2012,
"Y. Masaki,R. Miyasaka,K. Hirai,H. Tsunoda,A. Ohkubo,K. Seio,M. Sekine","Prediction of the stability of modified RNA duplexes based on deformability analysis: Oligoribonucleotide derivatives modified with 2 '-o-cyanoethyl-5-propynyl-2-thiouridine as a promising component",,"CHEMICAL COMMUNICATIONS",,"Vol. 48","No. 58","pp. 7313-7315",2012,
"T. Kanamori,Y. Masaki,M. Mizuta,H. Tsunoda,A. Ohkubo,M. Sekine,K. Seio","DNA duplexes and triplex-forming oligodeoxynucleotides incorporating modified nucleosides forming stable and selective triplexes",,"ORGANIC & BIOMOLECULAR CHEMISTRY",,"Vol. 10","No. 5","pp. 1007-1013",2012,
"A. Ohkubo,A. Yokouchi,K. Yamada,H. Tsunoda,K. Seio,M. Sekine","Synthesis and properties of oligonucleotides having 5 '-terminal 2,2,7-trimethylguanosine cap analogues",,"NUCLEIC ACID THERAPEUTICS",,"Vol. 21","No. 5","pp. A39-A40",2011,Oct.
"H. Tsunoda,T. Kudo,Y. Masaki,A. Ohkubo,K. Seio,M. Sekine","Biochemical behavior of N-oxidized cytosine and adenine bases in DNA polymerase-mediated primer extension reactions",,"NUCLEIC ACIDS RESEARCH",,"Vol. 39","No. 7","pp. 2995-3004",2011,Apr.
"S. Q. Cao,I. Okamoto,H. Tsunoda,A. Ohkubo,K. Seio,M. Sekine","Synthesis and triplex-forming properties of oligonucleotides containing thio-substituted C-nucleoside 4-thiopseudoisocytidine",,"TETRAHEDRON LETTERS",,"Vol. 52","No. 3","pp. 407-410",2011,Jan.
"A. Ohkubo,Y. Nishino,A. Yokouchi,Y. Ito,Y. Noma,Y. Kakishima,Y. Masaki,H. Tsunoda,K. Seio,M. Sekine","Stable triplex formation using the strong stacking effect of consecutive thionucleoside moieties",,"CHEMICAL COMMUNICATIONS",,"Vol. 47","No. 46","pp. 12556-12558",2011,
"H. Tsunoda,T. Kudo,A. Ohkubo,K. Seio,M. Sekine","Synthesis of oligodeoxynucleotides using fully protected deoxynucleoside 3 '-phosphoramidite building blocks and base recognition of oligodeoxynucleotides incorporating N-3-cyano-ethylthymine",,"MOLECULES",,"Vol. 15","No. 11","pp. 7509-7531",2010,Nov.
"A. Ohkubo,T. Sakaue,H. Tsunoda,K. Seio,M. Sekine","Synthesis and hybridization properties of oligonucleotides incorporating bi- and tricyclic cytosine derivatives",,"Chemistry letters",,"Vol. 39","No. 7","pp. 726-727",2010,July
"A. Ohkubo,Y. Kuwayama,Y. Nishino,H. Tsunoda,K. Seio,M. Sekine","Oligonucleotide synthesis involving deprotection of amidine-type protecting groups for nucleobases under acidic conditions",,"ORGANIC LETTERS",,"Vol. 12","No. 11","pp. 2496-2499",2010,June
"Seio Kohji,Miyazaki Kazuya,Kurohagi Sayako,Masaki Yoshiaki,Tsunoda Hirosuke,Ohkubo Akihiro,Sekine Mitsuo","Synthesis and properties of terminally modified oligonucleotides capable of short-RNA selective hybridization.",,"Nucleic acids symposium series (2004)",,,"No. 53","pp. 13-4",2009,Sept.
"A. Ohkubo,K. Sasaki,Y. Noma,H. Tsunoda,K. Seio,M. Sekine","Efficient solid-phase synthesis of oligodeoxynucleotides having a 5 '-terminal 2,2,7-trimethylguanosine pyrophosphate linkage",,"BIOORGANIC & MEDICINAL CHEMISTRY",,"Vol. 17","No. 13","pp. 4819-4824",2009,July
"A. Ohkubo,Y. Noma,K. Aoki,H. Tsunoda,K. Seio,M. Sekine","Introduction of 3 '-Terminal Nucleosides Having a Silyl-Type Linker into Polymer Supports without Base Protection",,"JOURNAL OF ORGANIC CHEMISTRY",,"Vol. 74","No. 7","pp. 2817-2823",2009,Apr.
"K. Miyata,R. Tamamushi,H. Tsunoda,A. Ohkubo,K. Seio,M. Sekine","Synthesis and Triplex Formation of Oligonucleotides Containing 8-Thioxodeoxyadenosine",,"Organic Letters",,"Vol. 11","No. 3","pp. 605-608",2009,Feb.
"A. Ohkubo,R. Kasuya,K. Miyata,H. Tsunoda,K. Seio,M. Sekine","New thermolytic carbamoyl groups for the protection of nucleobases",,"ORGANIC & BIOMOLECULAR CHEMISTRY",,"Vol. 7","No. 4","pp. 687-694",2009,
"A. Ohkubo,Y. Kuwayama,T. Kudo,H. Tsunoda,K. Seio,M. Sekine","O-selective condensation using P-N bond cleavage in RNA synthesis without base protection",,"Organic letters",,"Vol. 10","No. 13","pp. 2793-2796",2008,July
"H. Tsunoda,A. Ohkubo,H. Taguchi,K. Seio,M. Sekine","Synthesis and properties of DNA oligomers containing 2 '-deoxynucleoside N-oxide derivatives",,"JOURNAL OF ORGANIC CHEMISTRY",,"Vol. 73","No. 4","pp. 1217-1224",2008,Feb.