Works by Katahira, Masato

Results: 74

Analysis of Interactions between Telomeric i‐Motif DNA and a Cyclic Tetraoxazole Compound.

Published in:

ChemBioChem, 2018, v. 19, n. 21, p. 2268, doi. 10.1002/cbic.201800425

By:

Sedghi Masoud, Shadi;
Yamaoki, Yudai;
Ma, Yue;
Marchand, Adrien;
Winnerdy, Fernaldo Richtia;
Gabelica, Valérie;
Phan, Anh Tuân;
Katahira, Masato;
Nagasawa, Kazuo

Publication type:

Article

RNA-Directed Amino Acid Coupling as a Model Reaction for Primitive Coded Translation.

Published in:

ChemBioChem, 2014, v. 15, n. 6, p. 794, doi. 10.1002/cbic.201400029

By:

Harada, Kazuo;
Aoyama, Shoko;
Matsugami, Akimasa;
Kumar, Penmetcha K. R.;
Katahira, Masato;
Kato, Nobuo;
Ohkanda, Junko

Publication type:

Article

Cover Picture: RNA-Directed Amino Acid Coupling as a Model Reaction for Primitive Coded Translation (ChemBioChem 6/2014).

Published in:

ChemBioChem, 2014, v. 15, n. 6, p. 769, doi. 10.1002/cbic.201490016

By:

Harada, Kazuo;
Aoyama, Shoko;
Matsugami, Akimasa;
Kumar, Penmetcha K. R.;
Katahira, Masato;
Kato, Nobuo;
Ohkanda, Junko

Publication type:

Article

Quantitative analysis of the β-1 structure in lignin by administration of [ring-1-13C]coniferin.

Published in:

Holzforschung: International Journal of the Biology, Chemistry, Physics, & Technology of Wood, 2024, v. 78, n. 2, p. 87, doi. 10.1515/hf-2023-0100

By:

Imamura, Shori;
Hosokawa, Masaki;
Matsushita, Yasuyuki;
Aoki, Dan;
Fukushima, Kazuhiko;
Katahira, Masato

Publication type:

Article

Complete NMR assignment and analysis of molecular structural changes of β–O–4 lignin oligomer model compounds in organic media with different water content.

Published in:

Holzforschung: International Journal of the Biology, Chemistry, Physics, & Technology of Wood, 2021, v. 75, n. 4, p. 379, doi. 10.1515/hf-2020-0039

By:

Tokunaga, Yuki;
Nagata, Takashi;
Kondo, Keiko;
Katahira, Masato;
Watanabe, Takashi

Publication type:

Article

Evaluation of ring-5 structures of guaiacyl lignin in Ginkgo biloba L. using solid- and liquid-state 13C NMR difference spectroscopy.

Published in:

Holzforschung: International Journal of the Biology, Chemistry, Physics, & Technology of Wood, 2019, v. 73, n. 12, p. 1083, doi. 10.1515/hf-2019-0011

By:

Aoki, Dan;
Nomura, Kenta;
Hashiura, Masashi;
Imamura, Yoshinori;
Miyata, Sonoka;
Terashima, Noritsugu;
Matsushita, Yasuyuki;
Nishimura, Hiroshi;
Watanabe, Takashi;
Katahira, Masato;
Fukushima, Kazuhiko

Publication type:

Article

Multi-step degradation method for β-O-4 linkages in lignins: γ-TTSA method. Part 3. Degradation of milled wood lignin (MWL) from Eucalyptus globulus.

Published in:

Holzforschung: International Journal of the Biology, Chemistry, Physics, & Technology of Wood, 2013, v. 67, n. 8, p. 835, doi. 10.1515/hf-2013-0008

By:

Ando, Daisuke;
Nakatsubo, Fumiaki;
Takano, Toshiyuki;
Nishimura, Hiroshi;
Katahira, Masato;
Yano, Hiroyuki

Publication type:

Article

Multistep degradation method for β-O-4 linkage in lignins: γ-TTSA method. Part 2: reaction of lignin model polymer (DHP).

Published in:

Holzforschung: International Journal of the Biology, Chemistry, Physics, & Technology of Wood, 2013, v. 67, n. 3, p. 249, doi. 10.1515/hf-2012-0082

By:

Ando, Daisuke;
Nakatsubo, Fumiaki;
Takano, Toshiyuki;
Nishimura, Hiroshi;
Katahira, Masato;
Yano, Hiroyuki

Publication type:

Article

Anti-prion activity of an RNA aptamer and its structural basis.

Published in:

Nucleic Acids Research, 2013, v. 41, n. 2, p. 1355, doi. 10.1093/nar/gks1132

By:

Mashima, Tsukasa;
Nishikawa, Fumiko;
Kamatari, Yuji O.;
Fujiwara, Hiromichi;
Saimura, Masayuki;
Nagata, Takashi;
Kodaki, Tsutomu;
Nishikawa, Satoshi;
Kuwata, Kazuo;
Katahira, Masato

Publication type:

Article

Structure of Musashi1 in a complex with target RNA: the role of aromatic stacking interactions.

Published in:

Nucleic Acids Research, 2012, v. 40, n. 7, p. 3218, doi. 10.1093/nar/gkr1139

By:

Ohyama, Takako;
Nagata, Takashi;
Tsuda, Kengo;
Kobayashi, Naohiro;
Imai, Takao;
Okano, Hideyuki;
Yamazaki, Toshio;
Katahira, Masato

Publication type:

Article

Unique quadruplex structure and interaction of an RNA aptamer against bovine prion protein.

Published in:

Nucleic Acids Research, 2009, v. 37, n. 18, p. 6249, doi. 10.1093/nar/gkp647

By:

Mashima, Tsukasa;
Matsugami, Akimasa;
Nishikawa, Fumiko;
Nishikawa, Satoshi;
Katahira, Masato

Publication type:

Article

Elucidation of the mode of interaction in the UP1–telomerase RNA–telomeric DNA ternary complex which serves to recruit telomerase to telomeric DNA and to enhance the telomerase activity.

Published in:

Nucleic Acids Research, 2008, v. 36, n. 21, p. 6816, doi. 10.1093/nar/gkn767

By:

Nagata, Takashi;
Takada, Yusuke;
Ono, Asami;
Nagata, Kayoko;
Konishi, Yuki;
Nukina, Takeshi;
Ono, Manami;
Matsugami, Akimasa;
Furukawa, Ayako;
Fujimoto, Natsuki;
Fukuda, Hirokazu;
Nakagama, Hitoshi;
Katahira, Masato

Publication type:

Article

Unexpected A-form formation of 4′-thioDNA in solution, revealed by NMR, and the implications as to the mechanism of nuclease resistance.

Published in:

Nucleic Acids Research, 2008, v. 36, n. 6, p. 1805, doi. 10.1093/nar/gkn011

By:

Matsugami, Akimasa;
Ohyama, Takako;
Inada, Masashi;
Inoue, Naonori;
Minakawa, Noriaki;
Matsuda, Akira;
Katahira, Masato

Publication type:

Article

Human vault-associated non-coding RNAs bind to mitoxantrone, a chemotherapeutic compound.

Published in:

Nucleic Acids Research, 2005, v. 33, n. 15, p. 4874, doi. 10.1093/nar/gki809

By:

Gopinath, Subash C. B.;
Matsugami, Akimasa;
Katahira, Masato;
Kumar, Penmetcha K. R.

Publication type:

Article

Method for direct discrimination of intra- and intermolecular hydrogen bonds, and characterization of the G(:A):G(:A):G(:A):G heptad, with scalar couplings across hydrogen bonds.

Published in:

Nucleic Acids Research, 2004, v. 32, n. 17, p. 5113, doi. 10.1093/nar/gkh849

By:

Sotoya, Hidetsugu;
Matsugami, Akimasa;
Ikeda, Tetsuro;
Ouhashi, Kiyoshi;
Uesugi, Seiichi;
Katahira, Masato

Publication type:

Article

Imino proton NMR analysis of HDV ribozymes: nested double pseudoknot structure and Mg2+ ion-binding site close to the catalytic core in solution.

Published in:

Nucleic Acids Research, 2002, v. 30, n. 3, p. 766, doi. 10.1093/nar/30.3.766

By:

Tanaka, Yoichiro;
Hori, Tamaki;
Tagaya, Mitsuhiro;
Sakamoto, Taiichi;
Kurihara, Yasuyuki;
Katahira, Masato;
Uesugi, Seiichi

Publication type:

Article

Activation and Repression of the Activity of a Lead Ribozyme by the Combination of Pb2+ and Mg2+1.

Published in:

Journal of Biochemistry, 1997, v. 122, n. 5, p. 1062, doi. 10.1093/oxfordjournals.jbchem.a021847

By:

Kim, Mi Hee;
Katahira, Masato;
Sugiyama, Takashi;
Uesugi, Seiichi

Publication type:

Article

Dimerization and DNA Binding Facilitate aaa-Helix Formation of Max in Solution1.

Published in:

Journal of Biochemistry, 1997, v. 122, n. 4, p. 711, doi. 10.1093/oxfordjournals.jbchem.a021813

By:

Horiuchi, Masataka;
Kurihara, Yasuyuki;
Katahira, Masato;
Maeda, Tadakazu;
Saito, Toshiyuki;
Uesugi, Seiichi

Publication type:

Article

Hairpin Structure of an RNA 28-mer, Which Contains a Sequence of the Enzyme Component of a Hammerhead Ribozyme System: Evidence for Tandem G: A Pairs That Are Not of Side-by-Side Type1.

Published in:

Journal of Biochemistry, 1997, v. 122, n. 3, p. 556, doi. 10.1093/oxfordjournals.jbchem.a021789

By:

Sakamoto, Taiichi;
Kawai, Gota;
Katahira, Masato;
Kim, Mi Hee;
Tanaka, Yoichiro;
Kurihara, Yasuyuki;
Kohno, Toshiyuki;
Watanabe, Satoru;
Yokoyama, Shigeyuki;
Watanabe, Kimitsuna;
Uesugi, Seiichi

Publication type:

Article

Properties of Hepatitis Delta Virus Ribozyme, Which Consists of Three RNA Oligomer Strands1.

Published in:

Journal of Biochemistry, 1997, v. 121, n. 6, p. 1123, doi. 10.1093/oxfordjournals.jbchem.a021704

By:

Sakamoto, Taiichi;
Tanaka, Yoichiro;
Kuwabara, Tomoko;
Kim, Mi Hee;
Kurihara, Yasuyuki;
Katahira, Masato;
Uesugi, Seiichi

Publication type:

Article

Properties of a Hammerhead Ribozyme with Deletion of Stem II1.

Published in:

Journal of Biochemistry, 1997, v. 121, n. 2, p. 288, doi. 10.1093/oxfordjournals.jbchem.a021585

By:

Sakamoto, Taiichi;
Kim, Mi Hee;
Kurihara, Yasuyuki;
Sasaki, Nobuyuki;
Noguchi, Tomoaki;
Katahira, Masato;
Uesugi, Seiichi

Publication type:

Article

'Intelligent' ribozyme whose activity is altered in response to K+ as a result of quadruplex formation.

Published in:

FEBS Journal, 2012, v. 279, n. 8, p. 1456, doi. 10.1111/j.1742-4658.2012.08538.x

By:

Nagata, Takashi;
Sakurai, Yu;
Hara, Yukari;
Mashima, Tsukasa;
Kodaki, Tsutomu;
Katahira, Masato

Publication type:

Article

Structure of a human telomeric DNA sequence stabilized by 8-bromoguanosine substitutions, as determined by NMR in a K+ solution.

Published in:

FEBS Journal, 2007, v. 274, n. 14, p. 3545, doi. 10.1111/j.1742-4658.2007.05881.x

By:

Matsugami, Akimasa;
Xu, Yan;
Noguchi, Yuuki;
Sugiyama, Hiroshi;
Katahira, Masato

Publication type:

Article

Structural Property of DNA That Migrates Faster in Gel Electrophoresis, as Deduced by CD Spectroscopy.

Published in:

Nucleosides, Nucleotides & Nucleic Acids, 2006, v. 25, n. 4-6, p. 417, doi. 10.1080/15257770600684068

By:

Matsugami, Akimasa;
Tani, Keiko;
Ouhashi, Kiyoshi;
Uesugi, Seiichi;
Morita, Mitsunori;
Ohyama, Takashi;
Katahira, Masato

Publication type:

Article

NMR elucidation of nonproductive binding sites of lignin models with carbohydrate-binding module of cellobiohydrolase I.

Published in:

Biotechnology for Biofuels, 2020, v. 13, n. 1, p. N.PAG, doi. 10.1186/s13068-020-01805-w

By:

Tokunaga, Yuki;
Nagata, Takashi;
Kondo, Keiko;
Katahira, Masato;
Watanabe, Takashi

Publication type:

Article

Production of a cellulose-aminating polysaccharide from a filamentous sulfur-oxidizing bacterium, Thiothrix nivea, grown lithotrophically or mixotrophically.

Published in:

Journal of Applied Microbiology, 2024, v. 135, n. 11, p. 1, doi. 10.1093/jambio/lxae288

By:

Saito, Tomoaki;
Qiao, Yunkun;
Araki, Yui;
Matsunaga, Naoki;
Osugi, Wataru;
Kondo, Keiko;
Katahira, Masato;
Takeda, Minoru

Publication type:

Article

Enzymatic degradation of glucosaminoglucan and cellulase resistance of cellulose nanofiber coated with glucosaminoglucan.

Published in:

Journal of Applied Microbiology, 2023, v. 134, n. 9, p. 1, doi. 10.1093/jambio/lxad199

By:

Morita, Hiroki;
Chida, Shun;
Takato, Masaki;
Kondo, Keiko;
Katahira, Masato;
Simao, Luisa Brazão;
Takeda, Minoru

Publication type:

Article

Complex Formation of an RNA Aptamer with a Part of HIV-1 Tat through Induction of Base Triples in Living Human Cells Proven by In-Cell NMR.

Published in:

International Journal of Molecular Sciences, 2023, v. 24, n. 10, p. 9069, doi. 10.3390/ijms24109069

By:

Eladl, Omar;
Yamaoki, Yudai;
Kondo, Keiko;
Nagata, Takashi;
Katahira, Masato

Publication type:

Article

Biophysical Study of the Structure, Dynamics, and Function of Nucleic Acids.

Published in:

International Journal of Molecular Sciences, 2022, v. 23, n. 10, p. 5836, doi. 10.3390/ijms23105836

By:

Lee, Joon-Hwa;
Katahira, Masato

Publication type:

Article

Sugar-Pucker Force-Induced Transition in Single-Stranded DNA.

Published in:

International Journal of Molecular Sciences, 2021, v. 22, n. 9, p. 4745, doi. 10.3390/ijms22094745

By:

Viader-Godoy, Xavier;
Manosas, Maria;
Ritort, Felix;
Katahira, Masato

Publication type:

Article

Investigation of the Interaction of Human Origin Recognition Complex Subunit 1 with G-Quadruplex DNAs of Human c-myc Promoter and Telomere Regions.

Published in:

International Journal of Molecular Sciences, 2021, v. 22, n. 7, p. 3481, doi. 10.3390/ijms22073481

By:

Eladl, Afaf;
Yamaoki, Yudai;
Hoshina, Shoko;
Horinouchi, Haruka;
Kondo, Keiko;
Waga, Shou;
Nagata, Takashi;
Katahira, Masato;
Muñoz, Victor

Publication type:

Article

Identification of a Novel Cis-Acting Regulator of HIV-1 Genome Packaging.

Published in:

International Journal of Molecular Sciences, 2021, v. 22, n. 7, p. 3435, doi. 10.3390/ijms22073435

By:

Sakuragi, Sayuri;
Kotani, Osamu;
Yokoyama, Masaru;
Shioda, Tatsuo;
Sato, Hironori;
Sakuragi, Jun-ichi;
Katahira, Masato

Publication type:

Article

Cruciform Formable Sequences within Pou5f1 Enhancer Are Indispensable for Mouse ES Cell Integrity.

Published in:

International Journal of Molecular Sciences, 2021, v. 22, n. 7, p. 3399, doi. 10.3390/ijms22073399

By:

Yamamoto, Yu;
Miura, Osamu;
Ohyama, Takashi;
Katahira, Masato;
Lee, Joon-Hwa

Publication type:

Article

Development of MTH1-Binding Nucleotide Analogs Based on 7,8-Dihalogenated 7-Deaza-dG Derivatives.

Published in:

International Journal of Molecular Sciences, 2021, v. 22, n. 3, p. 1274, doi. 10.3390/ijms22031274

By:

Shi, Hui;
Ishikawa, Ren;
Heh, Choon Han;
Sasaki, Shigeki;
Taniguchi, Yosuke;
Sissi, Claudia;
Katahira, Masato

Publication type:

Article

A COMPARISON OF THE PROPERTIES AND THE SOLUTION STRUCTURE FOR RNA AND DNA QUADRUPLEXES WHICH CONTAIN TWO GGAGG SEQUENCES JOINED WITH A TETRANUCLEOTIDE LINKER.

Published in:

Nucleosides, Nucleotides & Nucleic Acids, 2002, v. 21, n. 11/12, p. 785, doi. 10.1081/NCN-120016481

By:

Liu, Hui;
Kugimiya, Atsushi;
Sakurai, Tokuhiro;
Katahira, Masato;
Uesugi, Seiichi

Publication type:

Article

Shedding light on the base-pair opening dynamics of nucleic acids in living human cells.

Published in:

Nature Communications, 2022, v. 13, n. 1, p. 1, doi. 10.1038/s41467-022-34822-4

By:

Yamaoki, Yudai;
Nagata, Takashi;
Kondo, Keiko;
Sakamoto, Tomoki;
Takami, Shohei;
Katahira, Masato

Publication type:

Article

APOBEC3G.

Published in:

Seibutsu Butsuri, 2015, v. 55, n. 4, p. 225, doi. 10.2142/biophys.55.225

By:

Katahira Masato

Publication type:

Article

Development and structural determination of an anti-PrPC aptamer that blocks pathological conformational conversion of prion protein.

Published in:

Scientific Reports, 2020, v. 10, n. 1, p. 1, doi. 10.1038/s41598-020-61966-4

By:

Mashima, Tsukasa;
Lee, Joon-Hwa;
Kamatari, Yuji O.;
Hayashi, Tomohiko;
Nagata, Takashi;
Nishikawa, Fumiko;
Nishikawa, Satoshi;
Kinoshita, Masahiro;
Kuwata, Kazuo;
Katahira, Masato

Publication type:

Article

Characterization of the Deamination Coupled with Sliding along DNA of Anti-HIV Factor APOBEC3G on the Basis of the pH-Dependence of Deamination Revealed by Real-Time NMR Monitoring.

Published in:

Frontiers in Microbiology, 2016, p. 1, doi. 10.3389/fmicb.2016.00587

By:

Keisuke Kamba;
Takashi Nagata;
Masato Katahira

Publication type:

Article

Solution structure of the novel antitumor drug UCH9 complexed with d(TTGGCCAA)2 as determined by NMR.

Published in:

Nucleic Acids Research, 1998, v. 26, n. 3, p. 744, doi. 10.1093/nar/26.3.744

By:

Katahira, Ritsuko;
Katahira, Masato;
Yamashita, Yoshinori;
Ogawa, Harumi;
Kyogoku, Yoshimasa;
Yoshida, Mayumi

Publication type:

Article

Selection and characterization of aptamers targeting the Vif-CBFβ-ELOB-ELOC-CUL5 complex.

Published in:

Journal of Biochemistry, 2024, v. 176, n. 3, p. 205, doi. 10.1093/jb/mvae040

By:

Kumagai, Kazuyuki;
Kamba, Keisuke;
Suzuki, Takuya;
Sekikawa, Yuto;
Yuki, Chisato;
Hamada, Michiaki;
Nagata, Kayoko;
Takaori-Kondo, Akifumi;
Wan, Li;
Katahira, Masato;
Nagata, Takashi;
Sakamoto, Taiichi

Publication type:

Article

Conjugation of two RNA aptamers improves binding affinity to AML1 Runt domain.

Published in:

Journal of Biochemistry, 2017, v. 162, n. 6, p. 431, doi. 10.1093/jb/mvx049

By:

Yusuke Nomura;
Kaori Yamazaki;
Ryo Amano;
Kenta Takada;
Takashi Nagata;
Naohiro Kobayashi;
Yoichiro Tanaka;
Junichi Fukunaga;
Masato Katahira;
Tomoko Kozu;
Yoshikazu Nakamura;
Yuji Haishima;
Hidetaka Torigoe;
Taiichi Sakamoto

Publication type:

Article

Conformational dynamics of yeast calmodulin in the Ca2+-bound state probed using NMR relaxation dispersion

Published in:

FEBS Letters, 2012, v. 586, n. 16, p. 2548, doi. 10.1016/j.febslet.2012.06.031

By:

Ogura, Kenji;
Okamura, Hideyasu;
Katahira, Masato;
Katoh, Etsuko;
Inagaki, Fuyuhiko

Publication type:

Article

Solution structures of the trihelix DNA-binding domains of the wild-type and a phosphomimetic mutant of Arabidopsis GT-1: Mechanism for an increase in DNA-binding affinity through phosphorylation.

Published in:

Proteins, 2010, v. 78, n. 14, p. 3033, doi. 10.1002/prot.22827

By:

Nagata, Takashi;
Niyada, Emi;
Fujimoto, Natsuki;
Nagasaki, Yuuya;
Noto, Kazuaki;
Miyanoiri, Youhei;
Murata, Jun;
Hiratsuka, Kazuyuki;
Katahira, Masato

Publication type:

Article

A heterodimeric hyaluronate lyase secreted by the activated sludge bacterium Haliscomenobacter hydrossis.

Published in:

Bioscience, Biotechnology & Biochemistry, 2023, v. 87, n. 3, p. 256, doi. 10.1093/bbb/zbac207

By:

Tomomi Mori;
Nozomi Masuzawa;
Keiko Kondo;
Yuta Nakanishi;
Shun Chida;
Daiki Uehara;
Masato Katahira;
Minoru Takeda

Publication type:

Article

Aggregability of β(1→4)-linked glucosaminoglucan originating from a sulfur-oxidizing bacterium Thiothrix nivea.

Published in:

Bioscience, Biotechnology & Biochemistry, 2020, v. 84, n. 10, p. 2085, doi. 10.1080/09168451.2020.1785838

By:

Takeda, Minoru;
Kondo, Keiko;
Tominaga, Ryo;
Mori, Honomi;
Kato, Mana;
Usami, Ryoji;
Murakami, Tomoi;
Ueda, Kazuyoshi;
Suzuki, Ichiro;
Katahira, Masato

Publication type:

Article

NMR Analysis on Molecular Interaction of Lignin with Amino Acid Residues of Carbohydrate-Binding Module from Trichoderma reesei Cel7A.

Published in:

Scientific Reports, 2019, v. 9, n. 1, p. 1, doi. 10.1038/s41598-018-38410-9

By:

Tokunaga, Yuki;
Nagata, Takashi;
Suetomi, Takashi;
Oshiro, Satoshi;
Kondo, Keiko;
Katahira, Masato;
Watanabe, Takashi

Publication type:

Article

Significance of a histone-like protein with its native structure for the diagnosis of asymptomatic tuberculosis.

Published in:

PLoS ONE, 2018, v. 13, n. 10, p. 1, doi. 10.1371/journal.pone.0204160

By:

Ohara, Yukiko;
Ozeki, Yuriko;
Tateishi, Yoshitaka;
Mashima, Tsukasa;
Arisaka, Fumio;
Tsunaka, Yasuo;
Fujiwara, Yoshie;
Nishiyama, Akihito;
Yoshida, Yutaka;
Kitadokoro, Kengo;
Kobayashi, Haruka;
Kaneko, Yukihiro;
Nakagawa, Ichiro;
Maekura, Ryoji;
Yamamoto, Saburo;
Katahira, Masato;
Matsumoto, Sohkichi

Publication type:

Article

Bifacial Base-Pairing Behaviors of 5-Hydroxyuracil DNA Bases through Hydrogen Bonding and Metal Coordination.

Published in:

Chemistry - A European Journal, 2015, v. 21, n. 42, p. 14713, doi. 10.1002/chem.201502772

By:

Takezawa, Yusuke;
Nishiyama, Kotaro;
Mashima, Tsukasa;
Katahira, Masato;
Shionoya, Mitsuhiko

Publication type:

Article

Quantitative Analysis of Location- and Sequence-Dependent Deamination by APOBEC3G Using Real-Time NMR Spectroscopy.

Published in:

Angewandte Chemie, 2014, v. 126, n. 9, p. 2381, doi. 10.1002/ange.201309940

By:

Furukawa, Ayako;
Sugase, Kenji;
Morishita, Ryo;
Nagata, Takashi;
Kodaki, Tsutomu;
Takaori ‐ Kondo, Akifumi;
Ryo, Akihide;
Katahira, Masato

Publication type:

Article