Yasuhiro Furuichi

Bloom’s and Werner’s syndrome genes suppress hyperrecombination in yeast sgs1 mutant: Implication for genomic instability in human diseases

Yamagata, Kazutsune, Kato, Jun-ichi, Shimamoto, Akira, Goto, Makoto, Furuichi, Yasuhiro, Ikeda, Hideo

Bloom’s syndrome (BS) and Werner’s syndrome (WS) are genetic disorders in which an increased rate of chromosomal aberration is detected. The genes responsible for these diseases, BLM and WRN,...

Telomere Maintenance in Telomerase-Deficient Mouse Embryonic Stem Cells: Characterization of an Amplified Telomeric DNA

Niida, Hiroyuki, Shinkai, Yoichi, Hande, M. Prakash, Matsumoto, Takehisa, Takehara, Shoko, Tachibana, Makoto, ...

Telomere dynamics, chromosomal instability, and cellular viability were studied in serial passages of mouse embryonic stem (ES) cells in which the telomerase RNA (mTER) gene was deleted. These cells...

Human RecQ5β, a large isomer of RecQ5 DNA helicase, localizes in the nucleoplasm and interacts with topoisomerases 3α and 3β

Shimamoto, Akira, Nishikawa, Kaori, Kitao, Saori, Furuichi, Yasuhiro

The RecQ helicase superfamily has been implicated in DNA repair and recombination. At least five human RecQ-related genes exist: RecQ1, BLM, WRN, RecQ4 and RecQ5. Mutations in BLM, WRN and RecQ4 are...

Sp1-Mediated Transcription of the Werner Helicase Gene Is Modulated by Rb and p53

Yamabe, Yukako, Shimamoto, Akira, Goto, Makoto, Yokota, Jun, Sugawara, Minoru, Furuichi, Yasuhiro

The regulation of Werner’s syndrome gene (WRN) expression was studied by characterizing the cis-regulatory elements in the promoter region and the trans-activating factors that bind to them. First,...

Telomere repeat DNA forms a large non-covalent complex with unique cohesive properties which is dissociated by Werner syndrome DNA helicase in the presence of replication protein A

Ohsugi, Itaru, Tokutake, Yoshiki, Suzuki, Noriyuki, Ide, Toshinori, Sugimoto, Masanobu, Furuichi, Yasuhiro

We describe the unique structural features of a large telomere repeat DNA complex (TRDC) of >20 kb generated by a simple PCR using (TTAGGG)4 and (CCCTAA)4 as both primers and templates. Although...

Homologous Terminal Sequences in the Double-Stranded RNA Genome Segments of Cytoplasmic Polyhedrosis Virus of the Silkworm Bombyx mori

Kuchino, Yoshiyuki, Nishimura, Susumu, Smith, Robert E., Furuichi, Yasuhiro

The 3′-terminal regions (20 to 32 residues) of the genome double-stranded RNA (dsRNA) segments of cytoplasmic polyhedrosis virus were sequenced. The dsRNAs, which were labeled at their 3′ termini...

Chemical Methylation of RNA and DNA Viral Genomes as a Probe of In Situ Structure

Yamakawa, Minoru, Shatkin, Aaron J., Furuichi, Yasuhiro

We used [methyl-3H] dimethyl sulfate to probe the genome structures of several RNA and DNA viruses. We compared sites of modification in nucleic acids that were methylated chemically before and after...

Regulation of CDK4 activity by a novel CDK4-binding protein, p34SEI-1

Sugimoto, Masataka, Nakamura, Takeshi, Ohtani, Naoko, Hampson, Lynne, Hampson, Ian N., Shimamoto, Akira, ...

The p16INK4a tumor suppressor inhibits cyclin-dependent kinases (CDK4 and CDK6). Here we report the isolation of a novel gene, SEI-1, whose product (p34SEI-1) appears to antagonize the function of...

“Methylation-coupled” transcription by virus-associated transcriptase of cytoplasmic polyhedrosis virus containing double-stranded RNA

Furuichi, Yasuhiro

S-adenosyl-L-methionine (SAM) activated the virus-associated RNA polymerase of cytoplasmic polyhedrosis virus in vitro. Synthesis of single-stranded viral RNA (mRNA) proceeded depending on the...

“Pretranscriptional capping” in the biosynthesis of cytoplasmic polyhedrosis virus mRNA

Furuichi, Yasuhiro

The in vitro synthesis of cytoplasmic polyhedrosis virus (CPV) mRNA was previously shown to be dependent upon the presence of the methyl donor S-adenosylmethionine (AdoMet). We now find that the...

Exportin-5 orthologues are functionally divergent among species

Shibata, Satoshi, Sasaki, Mitsuho, Miki, Takashi, Shimamoto, Akira, Furuichi, Yasuhiro, Katahira, Jun, ...

Exportin-5, an evolutionarily conserved nuclear export factor belonging to the importin-β family of proteins, is known to play a role in the nuclear export of small noncoding RNAs such as precursors...

Bloom’s and Werner’s syndrome genes suppress hyperrecombination in yeast sgs1 mutant: Implication for genomic instability in human diseases

Yamagata, Kazutsune, Kato, Jun-ichi, Shimamoto, Akira, Goto, Makoto, Furuichi, Yasuhiro, Ikeda, Hideo

Bloom’s syndrome (BS) and Werner’s syndrome (WS) are genetic disorders in which an increased rate of chromosomal aberration is detected. The genes responsible for these diseases, BLM and WRN,...

Telomere Maintenance in Telomerase-Deficient Mouse Embryonic Stem Cells: Characterization of an Amplified Telomeric DNA

Niida, Hiroyuki, Shinkai, Yoichi, Hande, M. Prakash, Matsumoto, Takehisa, Takehara, Shoko, Tachibana, Makoto, ...

Telomere dynamics, chromosomal instability, and cellular viability were studied in serial passages of mouse embryonic stem (ES) cells in which the telomerase RNA (mTER) gene was deleted. These cells...

Human RecQ5β, a large isomer of RecQ5 DNA helicase, localizes in the nucleoplasm and interacts with topoisomerases 3α and 3β

Shimamoto, Akira, Nishikawa, Kaori, Kitao, Saori, Furuichi, Yasuhiro

The RecQ helicase superfamily has been implicated in DNA repair and recombination. At least five human RecQ-related genes exist: RecQ1, BLM, WRN, RecQ4 and RecQ5. Mutations in BLM, WRN and RecQ4 are...

Sp1-Mediated Transcription of the Werner Helicase Gene Is Modulated by Rb and p53

Yamabe, Yukako, Shimamoto, Akira, Goto, Makoto, Yokota, Jun, Sugawara, Minoru, Furuichi, Yasuhiro

The regulation of Werner’s syndrome gene (WRN) expression was studied by characterizing the cis-regulatory elements in the promoter region and the trans-activating factors that bind to them. First,...

Telomere repeat DNA forms a large non-covalent complex with unique cohesive properties which is dissociated by Werner syndrome DNA helicase in the presence of replication protein A

Ohsugi, Itaru, Tokutake, Yoshiki, Suzuki, Noriyuki, Ide, Toshinori, Sugimoto, Masanobu, Furuichi, Yasuhiro

We describe the unique structural features of a large telomere repeat DNA complex (TRDC) of >20 kb generated by a simple PCR using (TTAGGG)4 and (CCCTAA)4 as both primers and templates. Although...

Homologous Terminal Sequences in the Double-Stranded RNA Genome Segments of Cytoplasmic Polyhedrosis Virus of the Silkworm Bombyx mori

Kuchino, Yoshiyuki, Nishimura, Susumu, Smith, Robert E., Furuichi, Yasuhiro

The 3′-terminal regions (20 to 32 residues) of the genome double-stranded RNA (dsRNA) segments of cytoplasmic polyhedrosis virus were sequenced. The dsRNAs, which were labeled at their 3′ termini...

Chemical Methylation of RNA and DNA Viral Genomes as a Probe of In Situ Structure

Yamakawa, Minoru, Shatkin, Aaron J., Furuichi, Yasuhiro

We used [methyl-3H] dimethyl sulfate to probe the genome structures of several RNA and DNA viruses. We compared sites of modification in nucleic acids that were methylated chemically before and after...

Regulation of CDK4 activity by a novel CDK4-binding protein, p34SEI-1

Sugimoto, Masataka, Nakamura, Takeshi, Ohtani, Naoko, Hampson, Lynne, Hampson, Ian N., Shimamoto, Akira, ...

The p16INK4a tumor suppressor inhibits cyclin-dependent kinases (CDK4 and CDK6). Here we report the isolation of a novel gene, SEI-1, whose product (p34SEI-1) appears to antagonize the function of...

“Methylation-coupled” transcription by virus-associated transcriptase of cytoplasmic polyhedrosis virus containing double-stranded RNA

Furuichi, Yasuhiro

S-adenosyl-L-methionine (SAM) activated the virus-associated RNA polymerase of cytoplasmic polyhedrosis virus in vitro. Synthesis of single-stranded viral RNA (mRNA) proceeded depending on the...

“Pretranscriptional capping” in the biosynthesis of cytoplasmic polyhedrosis virus mRNA

Furuichi, Yasuhiro

The in vitro synthesis of cytoplasmic polyhedrosis virus (CPV) mRNA was previously shown to be dependent upon the presence of the methyl donor S-adenosylmethionine (AdoMet). We now find that the...

Exportin-5 orthologues are functionally divergent among species

Shibata, Satoshi, Sasaki, Mitsuho, Miki, Takashi, Shimamoto, Akira, Furuichi, Yasuhiro, Katahira, Jun, ...

Exportin-5, an evolutionarily conserved nuclear export factor belonging to the importin-β family of proteins, is known to play a role in the nuclear export of small noncoding RNAs such as precursors...

Inhibition of Fungal β-1,3-Glucan Synthase and Cell Growth by HM-1 Killer Toxin Single-Chain Anti-Idiotypic Antibodies

Selvakumar, Dakshnamurthy, Miyamoto, Masahiko, Furuichi, Yasuhiro, Komiyama, Tadazumi

Single-chain variable-fragment (scFv) anti-idiotypic antibodies of an HM-1 killer toxin (HM-1) from the yeast Williopsis saturnus var. mrakii IFO 0895 have been produced by recombinant DNA technology...

Detection by Epitope-defined Monoclonal Antibodies of Werner DNA Helicases in the Nucleoplasm and Their Upregulation by Cell Transformation and Immortalization

Shiratori, Miwa, Sakamoto, Sakae, Suzuki, Noriyuki, Tokutake, Yoshiki, Kawabe, Yoichi, Enomoto, Takemi, ...

We prepared several monoclonal antibodies (mAbs) specific for the NH2- and COOH-terminal regions of the DNA helicase (WRN helicase) responsible for Werner's syndrome known as a premature aging...