Kasahara Ryushiro 笠原竜四郎

… Alternative Names

笠原竜四郎カサハラリュウシロウ

KASAHARA Ryushiro 笠原竜四郎

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Researcher Number	40467270
Other IDs
Affiliation (Current)	2026: 横浜市立大学, 木原生物学研究所, 特任教員
Affiliation (based on the past Project Information) *help	2026: 名古屋大学, 生物機能開発利用研究センター, 特任准教授 2023 – 2024: 名古屋大学, 生物機能開発利用研究センター, 特任准教授 2013 – 2014: 名古屋大学, トランスフォーマティブ生命分子研究所, 招へい教員
Review Section/Research Field	Principal Investigator Medium-sized Section 39:Agricultural and environmental biology and related fields / Agricultural Science / Plant molecular biology/Plant physiology
Keywords	Principal Investigator POEM / イネの栄養制御システム / イネの師管末端最終形態 / 受精前のカロースの沈着 / 受精後のカロースの除去 / カロースによる栄養制御 / 種子肥大育種 / 新規植物種子栄養機構 / 新組織の発見 / イネの種子肥大 … More / シロイヌナズナの種子肥大 / カロースの沈着、除去 / 笠原ゲートウェイ / 師管末端最終形態 / 遺伝子同定 / 変異体 / 部分的種皮形成 / 種子肥大 / スクリーニング / 受精欠損 / 品種改良 / 受精因子 / 雄性配偶体 / 雌性配偶体 / 受精非依存的種子肥大 / バニリン染色 / 受精不全変異体 / 植物の受精 Less

Research Projects
(3 results)
Research Products
(23 results)

シロイヌナズナで見出された方法を用いて他作物に応用するアポミクシス化育種Principal Investigator
- Principal Investigator
  
  笠原竜四郎
- Project Period (FY)
  2026 – 2030
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 39:Agricultural and environmental biology and related fields
- Research Institution
  Nagoya University
Plant seed enlarge breeding by utilizing the plant new tissue "The final form of the phloem end".Principal Investigator
- Principal Investigator
  
  笠原竜四郎
- Project Period (FY)
  2022 – 2025
- Research Category
  
  Fund for the Promotion of Joint International Research (Home-Returning Researcher Development Research)
- Review Section
  
  Agricultural Science
- Research Institution
  Nagoya University
Identification of factors required for plant fertilization by using a new phenomenon, fertilization independent ovule enlargement.Principal Investigator
- Principal Investigator
  
  KASAHARA Ryushiro
- Project Period (FY)
  2013 – 2014
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Plant molecular biology/Plant physiology
- Research Institution
  Nagoya University

All 2025 2024 2023 2015 2014 2013 Other

All Journal Article Presentation Patent

[Journal Article] Fertilization-dependent phloem end gate regulates seed size2025
- Author(s)
  Liu X., Nakajima K.P., Adhikari P. B., Wu X., Zhu S., Okada K., Kagenishi T., Kurotani K., Ishida T., Nakamura M., Sato Y., Kawakatsu Y., Xie L., Huang C., He J., Yokawa K., Sawa S., Higashiyama T., Bradford K. J., Notaguchi M., Kasahara R. D.
- Journal Title
  
  Current Biology
  
  Volume: 35 Issue: 9 Pages: 1-15
- DOI
  10.1016/j.cub.2025.03.033
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21366
[Journal Article] Transcription Factors behind MYB98 Regulation: What Does the Discovery of SaeM Suggest?2024
- Author(s)
  Adhikari Prakash B.、Liu Xiaoyan、Huang Chen、Mitsuda Nobutaka、Notaguchi Michitaka、Kasahara Ryushiro Dora
- Journal Title
  
  Plants
  
  Volume: 13 Issue: 7 Pages: 1007-1007
- DOI
  10.3390/plants13071007
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21366
[Journal Article] 高純度の砂糖を生産する「砂糖イネ」の開発　ー第３の製糖作物を目指してー2024
- Author(s)
  笠原竜四郎
- Journal Title
  
  農業
  
  Volume: 3月号 Pages: 31-39
- Data Source
  KAKENHI-PROJECT-22K21366
[Journal Article] Seed size control via phloem end by callose deposition/degradation of β-1,3-glucanase.2023
- Author(s)
  Xiaoyan Liu, Kohdai P. Nakajima, Xiaoyan Wu, Shaowei Zhu, Prakash Babu Adhikari, Ken-ichi Kurotani, Takashi Ishida, Masayoshi Nakamura, Yoshikatsu Sato, Liyang Xie, Chen Huang, Jiale He, Shinichiro Sawa, Tetsuya Higashiyama, Michi taka Notaguchi, Ryushiro D. Kasahara
- Journal Title
  
  BioRxiv
  
  Volume: 7 Pages: 550179-550179
- Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21366
[Journal Article] Discovery of a cis regulatory element SaeM involved in dynamic regulation of synergid-specific MYB98.2023
- Author(s)
  Prakash Babu Adhikari, Shaowei Zhu, Xiaoyan Liu, Chen Huang, Liyang Xie, Xiaoyan Wu, Jiale He, Nobutaka Mitsuda, Benjamin Peters, Lynette Brownfield, Shingo Nagawa, Ryushiro D. Kasahara
- Journal Title
  
  Frontiers in Plant Science
  
  Volume: 14 Pages: 1177058-1177058
- DOI
  10.3389/fpls.2023.1177058
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21366
[Journal Article] “サトウイネ”が種子にショ糖を蓄積する原因の解明に向けての研究2023
- Author(s)
  笠原竜四郎
- Journal Title
  
  アグリバイオ
  
  Volume: 6月号 Pages: 142-144
- Data Source
  KAKENHI-PROJECT-22K21366
[Journal Article] 受精回復システムの発見2013
- Author(s)
  笠原竜四郎
- Journal Title
  
  Plant Morphology
  
  Volume: 25 Pages: 83-88
- NAID
  130004691680
- Data Source
  KAKENHI-PROJECT-25840106
[Journal Article] Fertilization recovery system is dependent on the number of pollen grains for efficient reproduction in plants.2013
- Author(s)
  Ryushiro D. Kasahara, Daisuke Maruyama, Tetsuya Higashiyama
- Journal Title
  
  Plant and Signaling Behavior
  
  Volume: 8 Issue: 4 Pages: e23690-e23690
- DOI
  10.4161/psb.23690
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-11J06526, KAKENHI-PROJECT-25840106
[Journal Article] Independent control by each female gamete prevents the attraction of multiple pollen tubes.2013
- Author(s)
  Maruyama Daisuke, Hamamura Yuki, Takeuchi Hidenori, Susaki Daichi, Nishimaki Moe, Kurihara Daisuke, Kasahara D Ryushiro, Higashiyama Tetsuya
- Journal Title
  
  Developmental Cell
  
  Volume: 25 Pages: 317-323
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25840106
[Patent] 改変植物体2023
- Inventor(s)
  笠原竜四郎野田口理孝黒谷賢一
- Industrial Property Rights Holder
  国立大学法人名古屋大学
- Industrial Property Rights Type
  特許
- Filing Date
  2023
- Data Source
  KAKENHI-PROJECT-22K21366
[Presentation] Seed size control by callose control enzyme, PPAP at the final form of the phloem end in plants.2024
- Author(s)
  Ryushiro Kasahara
- Organizer
  Annual conference of Western Regional Seed Physiology Research Group.
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21366
[Presentation] 胚珠にある独立した 2 つの植物新組織，Gate-I，Gate-II の発見2024
- Author(s)
  笠原　竜四郎
- Organizer
  日本植物生理学会
- Data Source
  KAKENHI-PROJECT-22K21366
[Presentation] Seed size control via phloem end by callose deposition/degradation of the callose related enzymes.2023
- Author(s)
  Ryushiro Kasahara
- Organizer
  14th International Society for Seed Science Meeting.
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K21366
[Presentation] 胚珠にある植物新組織の発見とその新組織を利用した新しい植物種子形成学の黎明2023
- Author(s)
  笠原　竜四郎
- Organizer
  日本植物学会
- Data Source
  KAKENHI-PROJECT-22K21366
[Presentation] Discovery and Application of the POEM Phenomenon2015
- Author(s)
  Ryushiro Kasahara
- Organizer
  Universiy of Utah 招待講演
- Place of Presentation
  Utah, USA
- Year and Date
  2015-02-18
- Invited
- Data Source
  KAKENHI-PROJECT-25840106
[Presentation] "Female (female Gametophyte) and Male (pollen tube) interaction in plants "2015
- Author(s)
  Ryushiro Kasahara
- Organizer
  Colorado State University 招待講演
- Place of Presentation
  Colorado USA
- Year and Date
  2015-02-23
- Invited
- Data Source
  KAKENHI-PROJECT-25840106
[Presentation] "Imaginary Pregnancy in Plants "2015
- Author(s)
  Ryushiro Kasahara
- Organizer
  University of Montreal 招待講演
- Place of Presentation
  Montreal, Canada
- Year and Date
  2015-02-27
- Invited
- Data Source
  KAKENHI-PROJECT-25840106
[Presentation] 植物の受精学2015
- Author(s)
  笠原竜四郎
- Organizer
  静岡大学理学部　集中講義
- Place of Presentation
  静岡大学　静岡
- Year and Date
  2015-10-17
- Invited
- Data Source
  KAKENHI-PROJECT-25840106
[Presentation] POEM現象は花粉管内容物によって引き起こされる植物の新現象である2015
- Author(s)
  笠原竜四郎
- Organizer
  第55回日本植物生理学会年会
- Place of Presentation
  東京農大　東京
- Year and Date
  2015-03-18
- Data Source
  KAKENHI-PROJECT-25840106
[Presentation] Challenging to establish the rice apomixis system by analyzing and manipulating mechanisms of rice reproductive molecules2014
- Author(s)
  Ryushiro Kasahara
- Organizer
  23rd International Congress On Sexual Plant Reproduction
- Place of Presentation
  Porto, Portugal
- Year and Date
  2014-07-12
- Data Source
  KAKENHI-PROJECT-25840106
[Presentation] 被子植物の花粉管と助細胞の相互作用　-したたかで用意周到な植物の生存戦術-
- Author(s)
  笠原竜四郎
- Organizer
  北海道大学　藤田研究室セミナー
- Place of Presentation
  北海道大学理学部
- Invited
- Data Source
  KAKENHI-PROJECT-25840106
[Presentation] イネ生殖分子機構の解明と操作を基盤としたアポミクシスへの挑戦
- Author(s)
  笠原竜四郎、木下佳裕、東山哲也
- Organizer
  日本植物生理学会第55回大会
- Place of Presentation
  富山大学五福キャンパス
- Data Source
  KAKENHI-PROJECT-25840106
[Presentation] 植物の新奇現象、 POEm現象の発見とその現象を利用した受精必須因子の探索
- Author(s)
  笠原竜四郎、木下佳裕、東山哲也
- Organizer
  日本植物学会第77回大会
- Place of Presentation
  北海道大学高等研究推進機構
- Data Source
  KAKENHI-PROJECT-25840106

Kasahara Ryushiro 笠原 竜四郎

笠原 竜四郎 カサハラ リュウシロウ

KASAHARA Ryushiro 笠原 竜四郎

Research Projects

Research Products

シロイヌナズナで見出された方法を用いて他作物に応用するアポミクシス化育種Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Plant seed enlarge breeding by utilizing the plant new tissue "The final form of the phloem end".Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Identification of factors required for plant fertilization by using a new phenomenon, fertilization independent ovule enlargement.Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Fertilization-dependent phloem end gate regulates seed size2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Transcription Factors behind MYB98 Regulation: What Does the Discovery of SaeM Suggest?2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 高純度の砂糖を生産する「砂糖イネ」の開発 ー第３の製糖作物を目指してー2024

Author(s)

Journal Title

Data Source

[Journal Article] Seed size control via phloem end by callose deposition/degradation of β-1,3-glucanase.2023

Author(s)

Journal Title

Data Source

[Journal Article] Discovery of a cis regulatory element SaeM involved in dynamic regulation of synergid-specific MYB98.2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] “サトウイネ”が種子にショ糖を蓄積する原因の解明に向けての研究2023

Author(s)

Journal Title

Data Source

[Journal Article] 受精回復システムの発見2013

Author(s)

Journal Title

NAID

Data Source

[Journal Article] Fertilization recovery system is dependent on the number of pollen grains for efficient reproduction in plants.2013

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Independent control by each female gamete prevents the attraction of multiple pollen tubes.2013

Author(s)

Journal Title

Data Source

[Patent] 改変植物体2023

Inventor(s)

Industrial Property Rights Holder

Industrial Property Rights Type

Filing Date

Data Source

[Presentation] Seed size control by callose control enzyme, PPAP at the final form of the phloem end in plants.2024

Author(s)

Organizer

Data Source

[Presentation] 胚珠にある独立した 2 つの植物新組織，Gate-I，Gate-II の発見2024

Author(s)

Organizer

Data Source

[Presentation] Seed size control via phloem end by callose deposition/degradation of the callose related enzymes.2023

Author(s)

Kasahara Ryushiro 笠原竜四郎

笠原竜四郎カサハラリュウシロウ

KASAHARA Ryushiro 笠原竜四郎

[Journal Article] 高純度の砂糖を生産する「砂糖イネ」の開発　ー第３の製糖作物を目指してー2024

[Presentation] 被子植物の花粉管と助細胞の相互作用　-したたかで用意周到な植物の生存戦術-