Mari Yotsu-Yamashita

Affiliations

Graduate School of Agriculture Science, Tohoku University, 468-1 Aramaki-Aza-Aoba, Aoba-ku, Sendai, 980-8572, Japan.

Publications (33)

Synthesis of C12-Keto Saxitoxin Derivatives with Unusual Inhibitory Activity Against Voltage-Gated Sodium Channels.

Chemistry (Weinheim an der Bergstrasse, Germany)

Avec: Kanna Adachi , Tomoshi Yamada , Hayate Ishizuka , Mana Oki , Shunsuke Tsunogae , Noriko Shimada , Osamu Chiba , Tatsuya Orihara , Masafumi Hidaka , Takatsugu Hirokawa , Minami Odagi , Keiichi Konoki , Kazuo Nagasawa

First Identification of 12β-Deoxygonyautoxin 5 (12α-Gonyautoxinol 5) in the Cyanobacterium

Marine drugs

Avec: Michiru Akamatsu , Ryosuke Hirozumi , Yuko Cho , Yuta Kudo , Keiichi Konoki , Yasukatsu Oshima ,

Metabolic inhibitor induces dynamic changes in saxitoxin biosynthesis and metabolism in the dinoflagellate Alexandrium pacificum (Group IV) under in vivo labeling condition.

Harmful algae

Avec: Yuko Cho , Shigeki Tsuchiya , Takuo Omura , Kazuhiko Koike , Keiichi Konoki , Yasukatsu Oshima ,

Quantitation of Tetrodotoxin and Its Analogues with a Combination of Liquid Chromatography-Tandem Mass Spectrometry and Quantitative

Journal of agricultural and food chemistry

Avec: Ryuichi Watanabe , Masato Tanioka , Hajime Uchida , Ryoji Matsushima , Hiroshi Oikawa , Masahiro Matsumiya , Toshiyuki Suzuki

Isolation and Biological Activity of 8- Epitetrodotoxin and the Structure of a Possible Biosynthetic Shunt Product of Tetrodotoxin, Cep-226A, from the Newt Cynops ensicauda popei.

Journal of natural products

Avec: Yuta Kudo ,

First record of the diatom Nitzschia navis-varingica (Bacillariophyceae) producing amnesic shellfish poisoning-toxins from Papua New Guinea.

Toxicon : official journal of the International Society on Toxinology

Avec: Clyde Gorapava Puilingi , Suh Nih Tan , Yukari Maeno , Chui Pin Leaw , Po Teen Lim , Ryuta Terada , Yuichi Kotaki

Nontoxic Enantiomeric Reference Materials for Saxitoxins.

Analytical chemistry

Avec: Ryuichi Watanabe , Yuka Takayanagi , Osamu Chiba , Shota Itoda , Hayate Ishizuka , Minami Odagi , Mayu Ozawa , Hajime Uchida , Ryoji Matsushima , Keiichi Konoki , Kazuo Nagasawa , Toshiyuki Suzuki

Approaches to Construction of the Medium-Sized Ring Structure in Zetekitoxin AB by Ring-Closing Metathesis.

The Journal of organic chemistry

Avec: Hayate Ishizuka , Ayato Nureki , Kanna Adachi , Yuka Takayanagi , Minami Odagi , Kazuo Nagasawa

Two new skeletal analogues of saxitoxin found in the scallop, Patinopecten yessoensis, as possible metabolites of paralytic shellfish toxins.

Chemosphere

Avec: Satoshi Numano , Yuta Kudo , Yuko Cho , Keiichi Konoki , Yoshimasa Kaga , Kazuo Nagasawa ,

Metabolomic study of saxitoxin analogues and biosynthetic intermediates in dinoflagellates using

Scientific reports

Avec: Yuko Cho , Shigeki Tsuchiya , Takuo Omura , Kazuhiko Koike , Hiroshi Oikawa , Keiichi Konoki , Yasukatsu Oshima ,

Preparation of domoic acid analogues using a bioconversion system, and their toxicity in mice.

Organic & biomolecular chemistry

Avec: Yukari Maeno , Yuichi Kotaki , Ryuta Terada , Masafumi Hidaka , Yuko Cho , Keiichi Konoki ,

Assay for okadaic acid O-acyl transferase using HPLC-FLD.

Bioscience, biotechnology, and biochemistry

Avec: Masato Terauchi , Yuki Komazaki , Atsushi Yoshino , Yuko Cho , Yuta Kudo , Keiichi Konoki

Domoic acid biosynthesis in the red alga

Proceedings of the National Academy of Sciences of the United States of America

Avec: Taylor S Steele , John K Brunson , Yukari Maeno , Ryuta Terada , Andrew E Allen , Jonathan R Chekan , Bradley S Moore

Synthesis and Identification of decarbamoyloxySaxitoxins in Toxic Microalgae and their Reactions with the Oxygenase, SxtT, Reveal Saxitoxin Biosynthesis.

Chemistry (Weinheim an der Bergstrasse, Germany)

Avec: Mayu Hakamada , Chihiro Tokairin , Hayate Ishizuka , Kanna Adachi , Toma Osawa , Shiori Aonuma , Ryosuke Hirozumi , Shigeki Tsuchiya , Yuko Cho , Yuta Kudo , Keiichi Konoki , Yasukatsu Oshima , Kazuo Nagasawa ,

Temporal variation in the concentrations and profiles of paralytic shellfish toxins and tetrodotoxin in scallop (Mizuhopecten yessoensis) and bloody clam (Anadara broughtonii) collected from the coast of Miyagi Prefecture, Japan.

Toxicon : official journal of the International Society on Toxinology

Avec: Tatsunari Shingai , Yoshiko Chiba , Mitsue Kondo ,

Synthesis of Saxitoxin Biosynthetic Intermediates: Reveal the Mechanism for Formation of its Tricyclic Skeleton in Biosynthesis.

Chemistry, an Asian journal

Avec: Ryosuke Hirozumi , Mayu Hakamada , Takashi Minowa , Yuko Cho , Yuta Kudo , Keiichi Konoki , Yasukatsu Oshima , Kazuo Nagasawa ,

Temporal Variation of the Profile and Concentrations of Paralytic Shellfish Toxins and Tetrodotoxin in the Scallop,

Marine drugs

Avec: Satoshi Numano , Yuta Kudo , Yuko Cho , Keiichi Konoki ,

Identification of a Novel Saxitoxin Analogue, 12β-Deoxygonyautoxin 3, in the Cyanobacterium,

Toxins

Avec: Takashi Minowa , Yuko Cho , Yasukatsu Oshima , Keiichi Konoki ,

A study on the genetic population structure and the tetrodotoxin content of rough-skinned newts, Taricha granulosa (Salamandridae), from their northern range of distribution.

Toxicon : official journal of the International Society on Toxinology

Avec: Dietrich Mebs , Julio V Schneider , Oskar Schröder , John R Harley , Linda Mogk , Gunther Köhler

Identification of Tricyclic Guanidino Compounds from the Tetrodotoxin-Bearing Newt

Organic letters

Avec: Yuta Kudo , Charles T Hanifin ,

Chemical Ecology of the North American Newt Genera Taricha and Notophthalmus.

Progress in the chemistry of organic natural products

Avec: Charles T Hanifin , Yuta Kudo ,

State-Dependent Inhibition of Voltage-Gated Sodium Channels in Neuroblastoma Neuro-2A Cells by Arachidonic Acid from

Chemical research in toxicology

Avec: Osamu Chiba , Noriko Shimada , Shutaro Yoshio , Yuta Kudo , Yuko Cho , Keiichi Konoki

The quite low cross-reactivity of Kawatsu's anti-tetrodotoxin monoclonal antibody to 5,6,11-trideoxytetrodotoxin, 11-nortetrodotoxin-6(S)-ol, and 11-oxotetrodotoxin, the major tetrodotoxin analogues in pufferfish.

Toxicon : official journal of the International Society on Toxinology

Avec: Keita Yamaki , Kyoka Sato , Yuta Kudo , Yuko Cho , Keiichi Konoki , Tomohiro Takatani , Osamu Arakawa , Kentaro Kawatsu ,

Toxicity of the marine glycosidic macrolides, polycavernoside E and akunolides, from Okinawan cyanobacterium Okeania sp. in mice.

Toxicon : official journal of the International Society on Toxinology

Avec: Kairi Umeda , Arihiro Iwasaki , Kiyotake Suenaga

Possible Biosynthetic Products and Metabolites of Kainic Acid from the Red Alga Digenea simplex and Their Biological Activity.

Journal of natural products

Avec: Yukari Maeno , Ryuta Terada , Yuichi Kotaki , Yuko Cho , Keiichi Konoki ,

Total Syntheses and Determination of Absolute Configurations of Cep-212 and Cep-210, Predicted Biosynthetic Intermediates of Tetrodotoxin Isolated from Toxic Newt.

Organic letters

Avec: Masaatsu Adachi , Tadachika Miyasaka , Yuta Kudo , Keita Sugimoto , Toshio Nishikawa

Revisited - Failure of tetrodotoxin to protect red-spotted newts, Notophthalmus viridescens, from endoparasites.

Toxicon : official journal of the International Society on Toxinology

Avec: Dietrich Mebs , Katharina Hartmann , Christine Elbert , Richard Zehner , Stefan W Toennes

Structures of

Journal of natural products

Avec: Yuta Kudo , Charles T Hanifin , Yuichi Kotaki ,

Acquiring toxicity of a newt, Cynops orientalis.

Toxicon : official journal of the International Society on Toxinology

Avec: Dietrich Mebs ,

Tetrodotoxin Framework Construction from Linear Substrates Utilizing a Hg(OTf)

Organic letters

Avec: Keisuke Nishikawa , Takayuki Noguchi , Seiho Kikuchi , Takahiro Maruyama , Yusuke Araki , Yoshiki Morimoto

SxtA localizes to chloroplasts and changes to its 3'UTR may reduce toxin biosynthesis in non-toxic Alexandrium catenella (Group I)

Harmful algae

Avec: Yuko Cho , Shizu Hidema , Takuo Omura , Kazuhiko Koike , Kanae Koike , Hiroshi Oikawa , Keiichi Konoki , Yasukatsu Oshima ,

Mass spectrometry-guided discovery of new analogs of bicyclic phosphotriester salinipostin and evaluation of their monoacylglycerol lipase inhibitory activity.

Bioscience, biotechnology, and biochemistry

Avec: Yuta Kudo , Keiichi Konoki ,

Isolation and Biological Activity of 9-

Journal of natural products

Avec: Yuji Yaegashi , Yuta Kudo , Nozomi Ueyama , Ken-Ichi Onodera , Yuko Cho , Keiichi Konoki ,

Réseau de co-auteurs

Keiichi Konoki 18 collaborations

Yuko Cho 15 collaborations

Yuta Kudo 15 collaborations

Yasukatsu Oshima 7 collaborations

Kazuo Nagasawa 6 collaborations

Hayate Ishizuka 4 collaborations

Yukari Maeno 4 collaborations

Ryuta Terada 4 collaborations

Yuichi Kotaki 4 collaborations

Kanna Adachi 3 collaborations

Osamu Chiba 3 collaborations

Minami Odagi 3 collaborations

Ryosuke Hirozumi 3 collaborations

Shigeki Tsuchiya 3 collaborations

Takuo Omura 3 collaborations

Kazuhiko Koike 3 collaborations

Hiroshi Oikawa 3 collaborations

Dietrich Mebs 3 collaborations

Charles T Hanifin 3 collaborations

Noriko Shimada 2 collaborations

Masafumi Hidaka 2 collaborations

Ryuichi Watanabe 2 collaborations

Hajime Uchida 2 collaborations

Ryoji Matsushima 2 collaborations

Toshiyuki Suzuki 2 collaborations

Yuka Takayanagi 2 collaborations

Satoshi Numano 2 collaborations

Mayu Hakamada 2 collaborations

Takashi Minowa 2 collaborations

Tomoshi Yamada 1 collaboration

Mana Oki 1 collaboration

Shunsuke Tsunogae 1 collaboration

Tatsuya Orihara 1 collaboration

Takatsugu Hirokawa 1 collaboration

Michiru Akamatsu 1 collaboration

Masato Tanioka 1 collaboration

Masahiro Matsumiya 1 collaboration

Clyde Gorapava Puilingi 1 collaboration

Suh Nih Tan 1 collaboration

Chui Pin Leaw 1 collaboration

Po Teen Lim 1 collaboration

Shota Itoda 1 collaboration

Mayu Ozawa 1 collaboration

Ayato Nureki 1 collaboration

Yoshimasa Kaga 1 collaboration

Masato Terauchi 1 collaboration

Yuki Komazaki 1 collaboration

Atsushi Yoshino 1 collaboration

Taylor S Steele 1 collaboration

John K Brunson 1 collaboration

Andrew E Allen 1 collaboration

Jonathan R Chekan 1 collaboration

Bradley S Moore 1 collaboration

Chihiro Tokairin 1 collaboration

Toma Osawa 1 collaboration

Shiori Aonuma 1 collaboration

Tatsunari Shingai 1 collaboration

Yoshiko Chiba 1 collaboration

Mitsue Kondo 1 collaboration

Julio V Schneider 1 collaboration

Oskar Schröder 1 collaboration

John R Harley 1 collaboration

Linda Mogk 1 collaboration

Gunther Köhler 1 collaboration

Shutaro Yoshio 1 collaboration

Keita Yamaki 1 collaboration

Kyoka Sato 1 collaboration

Tomohiro Takatani 1 collaboration

Osamu Arakawa 1 collaboration

Kentaro Kawatsu 1 collaboration

Kairi Umeda 1 collaboration

Arihiro Iwasaki 1 collaboration

Kiyotake Suenaga 1 collaboration

Masaatsu Adachi 1 collaboration

Tadachika Miyasaka 1 collaboration

Keita Sugimoto 1 collaboration

Toshio Nishikawa 1 collaboration

Katharina Hartmann 1 collaboration

Christine Elbert 1 collaboration

Richard Zehner 1 collaboration

Stefan W Toennes 1 collaboration

Keisuke Nishikawa 1 collaboration

Takayuki Noguchi 1 collaboration

Seiho Kikuchi 1 collaboration

Takahiro Maruyama 1 collaboration

Yusuke Araki 1 collaboration

Yoshiki Morimoto 1 collaboration

Shizu Hidema 1 collaboration

Kanae Koike 1 collaboration

Yuji Yaegashi 1 collaboration

Nozomi Ueyama 1 collaboration

Ken-Ichi Onodera 1 collaboration