Updated on 2021/12/08

写真a

 
KOBAYASHI Kazuya
 
Affiliation
Division of Natural Sciences Agriculture and Life Science Section
Full-time staff
Faculty of Agriculture and Life Science Department of Biology

Degree

  • 博士(理学)

Research Areas

  • Life Science / Developmental biology

  • Life Science / Morphology and anatomical structure

Professional Memberships

  • 日本発生生物学会

  • 日本動物学会

Papers

  • Identification of novel yolk ferritins unique to planarians: planarians supply aluminum rather than iron to vitellaria in egg capsules.

    Osamu Kawase, Hisashi Iwaya, Yoshiya Asano, Hiromoto Inoue, Seiya Kudo, Motoki Sasahira, Nobuyuki Azuma, Daisuke Kondoh, Madoka Ichikawa-Seki, Xuenan Xuan, Kimitoshi Sakamoto, Hikaru Okamoto, Hinaki Nakadate, Wataru Inoue, Ikuma Saito, Miyu Narita, Kiyono Sekii, Kazuya Kobayashi

    Cell and tissue research   2021.7

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • D-Tryptophan enhances the reproductive organ-specific expression of the amino acid transporter homolog Dr-SLC38A9 involved in the sexual induction of planarian Dugesia ryukyuensis.

    Takanobu Maezawa, Masaki Ishikawa, Kiyono Sekii, Go Nagamatsu, Ryohei Furukawa, Kazuya Kobayashi

    Zoological letters   7 ( 1 )   4 - 4   2021.3

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Transcriptomic analysis reveals differences in the regulation of amino acid metabolism in asexual and sexual planarians.

    Kiyono Sekii, Shunta Yorimoto, Hikaru Okamoto, Nanna Nagao, Takanobu Maezawa, Yasuhisa Matsui, Katsushi Yamaguchi, Ryohei Furukawa, Shuji Shigenobu, Kazuya Kobayashi

    Scientific reports   9 ( 1 )   6132 - 6132   2019.4

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • A comprehensive comparison of sex-inducing activity in asexual worms of the planarian Dugesia ryukyuensis: the crucial sex-inducing substance appears to be present in yolk glands in Tricladida.

    Haruka Nakagawa, Kiyono Sekii, Takanobu Maezawa, Makoto Kitamura, Soichiro Miyashita, Marina Abukawa, Midori Matsumoto, Kazuya Kobayashi

    Zoological letters   4   14 - 14   2018.6

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • The identification of ᴅ-tryptophan as a bioactive substance for postembryonic ovarian development in the planarian Dugesia ryukyuensis.

    Kazuya Kobayashi, Takanobu Maezawa, Hiroyuki Tanaka, Hiroyuki Onuki, Yurie Horiguchi, Hiroshi Hirota, Tetsuo Ishida, Kihachiro Horiike, Yasutoshi Agata, Manabu Aoki, Motonori Hoshi, Midori Matsumoto

    Scientific reports   7   45175 - 45175   2017.3

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Light and electron microscopic studies of the intestinal epithelium in Notoplana humilis (Platyhelminthes, Polycladida): the contribution of mesodermal/gastrodermal neoblasts to intestinal regeneration.

    Daisuke Okano, Sachiko Ishida, Sei-Ichi Ishiguro, Kazuya Kobayashi

    Cell and tissue research   2015.6

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Planarian D-amino acid oxidase is involved in ovarian development during sexual induction.

    Takanobu Maezawa, Hiroyuki Tanaka, Haruka Nakagawa, Mizuki Ono, Manabu Aoki, Midori Matsumoto, Tetsuo Ishida, Kihachiro Horiike, Kazuya Kobayashi

    Mechanisms of development   132   69 - 78   2014.5

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • The Dr-nanos gene is essential for germ cell specification in the planarian Dugesia ryukyuensis.

    Haruka Nakagawa, Hirotsugu Ishizu, Ayako Chinone, Kazuya Kobayashi, Midori Matsumoto

    The International journal of developmental biology   56 ( 1-3 )   165 - 171   2012.4

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Existence of two sexual races in the planarian species switching between asexual and sexual reproduction.

    Kazuya Kobayashi, Takanobu Maezawa, Haruka Nakagawa, Motonori Hoshi

    Zoological science   29 ( 4 )   265 - 272   2012.4

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Drpiwi-1 is essential for germline cell formation during sexualization of the planarian Dugesia ryukyuensis.

    Haruka Nakagawa, Hirotsugu Ishizu, Reiko Hasegawa, Kazuya Kobayashi, Midori Matsumoto

    Developmental biology   361 ( 1 )   167 - 176   2012.1

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Sex-inducing effect of a hydrophilic fraction on reproductive switching in the planarian Dugesia ryukyuensis (Seriata, Tricladida).

    Kazuya Kobayashi, Motonori Hoshi

    Frontiers in zoology   8   23 - 23   2011.10

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Effects of 17β-estradiol and bisphenol A on the formation of reproductive organs in planarians.

    Hitoshi Miyashita, Haruka Nakagawa, Kazuya Kobayashi, Motonori Hoshi, Midori Matsumoto

    The Biological bulletin   220 ( 1 )   47 - 56   2011.2

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Production of asexual and sexual offspring in the triploid sexual planarian Dugesia ryukyuensis.

    Kazuya Kobayashi, Sachiko Arioka, Motonori Hoshi, Midori Matsumoto

    Integrative zoology   4 ( 3 )   265 - 271   2009.9

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Neoblast-enriched fraction rescues eye formation in eye-defective planarian 'menashi' Dugesia ryukyuensis.

    Kazuya Kobayashi, Toshiyuki Hashiguchi, Taiichiro Ichikawa, Yugo Ishino, Motonori Hoshi, Midori Matsumoto

    Development, growth & differentiation   50 ( 8 )   689 - 696   2008.10

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Production of diploid and triploid offspring by inbreeding of the triploid planarian Dugesia ryukyuensis.

    Kazuya Kobayashi, Hirotsugu Ishizu, Sachiko Arioka, Jocelyn Padilla Cabrera, Motonori Hoshi, Midori Matsumoto

    Chromosoma   117 ( 3 )   289 - 296   2008.6

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • The Dugesia ryukyuensis database as a molecular resource for studying switching of the reproductive system.

    Hideyuki Ishizuka, Takanobu Maezawa, Junpei Kawauchi, Hanae Nodono, Yukako Hirao, Osamu Nishimura, Haruka Nakagawa, Kiyono Sekii, Kenta Tasaka, Hiroshi Tarui, Kiyokazu Agata, Motonori Hoshi, Kazuya Kobayashi, Yasubumi Sakakibara, Midori Matsumoto

    Zoological science   24 ( 1 )   31 - 37   2007.1

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Characterization of novel genes expressed specifically in the sexual organs of the planarian Dugesia ryukyuensis.

    Sumitaka Hase, Emiko Kashiwagi, Kazuya Kobayashi, Motonori Hoshi, Midori Matsumoto

    The International journal of developmental biology   51 ( 4 )   345 - 349   2007

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Characterization of the pigment produced by the planarian, Dugesia ryukyuensis.

    Sumitaka Hase, Kazumasa Wakamatsu, Kengo Fujimoto, Akemi Inaba, Kazuya Kobayashi, Midori Matsumoto, Motonori Hoshi, Sumiko Negishi

    Pigment cell research   19 ( 3 )   248 - 249   2006.6

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Comparative study of eye defective worm 'menashi' and regenerating wild-type in planarian, Dugesia ryukyuensis.

    Yukiko Sato, Kazuya Kobayashi, Midori Matsumoto, Motonori Hoshi, Sumiko Negishi

    Pigment cell research   18 ( 2 )   86 - 91   2005.4

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Single Work  

  • Switch from Asexual to Sexual Reproduction in the Planarian Dugesia ryukyuensis.

    Motonori Hoshi, Kazuya Kobayashi, Sachiko Arioka, Sumitaka Hase, Midori Matsumoto

    Integrative and comparative biology   43 ( 2 )   242 - 246   2003.4

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Transcriptional pattern of a novel gene, expressed specifically after the point-of-no-return during sexualization, in planaria.

    Sumitaka Hase, Kazuya Kobayashi, Ryo Koyanagi, Motonori Hoshi, Midori Matsumoto

    Development genes and evolution   212 ( 12 )   585 - 592   2003.1

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Seasonal changes in the sexualization of the planarian Dugesia ryukyuensis.

    Kazuya Kobayashi, Sachiko Arioka, Motonori Hoshi

    Zoological science   19 ( 11 )   1267 - 1278   2002.11

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Signification of the sexualizing substance produced by the sexualized planarians.

    Kazuya Kobayashi, Sachiko Arioka, Sumitaka Hase, Motonori Hoshi

    Zoological science   19 ( 6 )   667 - 672   2002.6

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  • Switching from asexual to sexual reproduction in the planarian Dugesia ryukyuensis: change of the fissiparous capacity along with the sexualizing process.

    Kazuya Kobayashi, Motonori Hoshi

    Zoological science   19 ( 6 )   661 - 666   2002.6

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Localization of mitochondrial ribosomal RNA on the chromatoid bodies of marine planarian polyclad embryos.

    K Sato, T Sugita, K Kobayashi, K Fujita, T Fujii, Y Matsumoto, T Mikami, N Nishizuka, S Nishizuka, K Shojima, M Suda, G Takahashi, H Himeno, A Muto, S Ishida

    Development, growth & differentiation   43 ( 2 )   107 - 114   2001.4

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • プラナリアにおける生殖戦略転換機構

    小林 一也

    1999.3

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    Language:Japanese   Publishing type:Doctoral thesis   Kind of work:Single Work  

  • Switching from Asexual to Sexual Reproduction in the Planarian Dugesia ryukyuensis: Bioassay System and Basic Description of Sexualizing Process

    Kazuya Kobayashi, Ryo Koyanagi, Midori Matsumoto, Jocelyn Padilla Cabrera and Motonori Hoshi

    Zoological science   1999

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    Language:English   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

  • Switch from Asexual to Sexual Reproduction in the Planarian Dugesia ryukyuensis.

    Kazuya Kobayashi, Ryo Koyanagi, Midori Matsumoto, Jocelyn and Motonori Hoshi

    Invertebrate Reproduction & Development   36 ( 1-3 )   153 - 158   1999

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    Language:English   Publishing type:Research paper (international conference proceedings)   Kind of work:Joint Work  

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Books

  • 動物学の百科辞典 日本動物学会編

    小林一也( Role: Joint author ,  有性生殖と無性生殖−生殖戦略の多様性)

    丸善出版  2018.9 

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    Language:Japanese Book type:Dictionary, encyclopedia

  • Reproductive and Developmental Strategies: The Continuity of Life

    K. Kobayashi, T. Kitano, Y. Iwao, M. Kondo( Role: Joint editor)

    Springer Japan  2018.6 

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    Language:English Book type:Scholarly book

  • シリーズ・生命の神秘と不思議 プラナリアたちの巧みな生殖戦略

    小林一也、関井清乃( Role: Joint author)

    裳華房  2017.11 

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    Language:Japanese Book type:Scholarly book

  • 白神学入門 <2017> 弘前大学白神自然環境研究所 編

    小林一也( Role: Sole author)

    弘前大学出版会  2017.3 

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    Language:Japanese Book type:Textbook, survey, introduction

  • 弘前大学で見つけた一〇七の言の葉ノート−勉学 人生 世界観−

    小林一也( Role: Sole author)

    弘前大学出版会  2014.6 

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    Language:Japanese Book type:General book, introductory book for general audience

  • 身近な動物を使った実験2 プラナリア モノアラガイ・ナメクジ ミミズ

    小林一也・松本緑( Role: Joint author)

    三共出版  2009.5 

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    Language:Japanese Book type:Scholarly book

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Review Papers

  • Sex-inducing substances terminate dormancy in planarian postembryonic reproductive development

    Kiyono Sekii, Kazuya Kobayashi

    Advances in Invertebrate (Neuro) Endocrinology, Volume 1: Phyla Other Than Arthropoda   2020.3

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    Language:English   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)   Publisher:Apple Academic Press   Kind of work:Joint Work  

  • Reproductive strategies in planarians: Insights gained from the bioassay system for sexual induction in asexual Dugesia ryukyuensis worms

    Maezawa, K. Sekii, M. Ishikawa, H. Okamoto, K. Kobayashi

    Reproductive and Developmental Strategies: The Continuity of Life   175 - 201   2018.6

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    Language:English   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)   Publisher:Springer Japan   Kind of work:Joint Work  

  • 切っても死なない!?プラナリアから学ぶ生殖戦略

    小林一也

    青い森しんきん とれんど情報   456 ( 11月 )   1 - 1   2016.11

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    Language:Japanese   Kind of work:Single Work  

  • プラナリアの生殖様式転換機構と配偶子幹細胞

    小林一也,松本緑

    細胞工学   29 ( 7 )   670 - 674   2010.4

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (scientific journal)   Publisher:秀潤社   Kind of work:Joint Work  

Awards

  • 弘前大学表彰

    2014.05

  • Fujii Award

    2013.09

  • Zoological Science Award

    2013.09

Social Activities

  • 日本動物学会第87回沖縄大会 動物学ひろば

    2016.11

  • 日本動物学会第86回新潟大会 動物学ひろば「見てみよう、多様な動物の世界」

    2015.09

  • 日本動物学会第86回新潟大会 ミニ講演会「研究の世界で活躍する動物たち」

    2015.09

  • 日本動物学会第85回大会仙台大会 「見てみよう触ってみようー多様な動物の世界ー」

    2014.09