Ryoma Kamikawa

Profile Information

J-GLOBAL ID: 201301007910916950
researchmap Member ID: B000233771

External link: http://kaken.nii.ac.jp/d/r/40627634.ja.html

Research Areas

Life sciences / Biodiversity and systematics /

Research History

2012

Graduate School of Life and Environmental Sciences, University of Tsukuba

Major Papers

Genome evolution of a nonparasitic secondary heterotroph, the diatom Nitzschia putrida

Ryoma Kamikawa, Takako Mochizuki, Mika Sakamoto, Yasuhiro Tanizawa, Takuro Nakayama, Ryo Onuma, Ugo Cenci, Daniel Moog, Samuel Speak, Krisztina Sarkozi …

Science Advances, 8(17) eabi5075, Apr 29, 2022 Peer-reviewedLead authorCorresponding author
An Enigmatic Stramenopile Sheds Light on Early Evolution in Ochrophyta Plastid Organellogenesis

Tomonori Azuma, Tomáš Pánek, Alexander K. Tice, Motoki Kayama, Mayumi Kobayashi, Hideaki Miyashita, Toshinobu Suzaki, Akinori Yabuki, Matthew W. Brown, Ryoma Kamikawa

Molecular Biology and Evolution, 39(4), Apr 10, 2022 Peer-reviewedLast authorCorresponding author
Rappemonads are haptophyte phytoplankton

Masanobu Kawachi, Takuro Nakayama, Motoki Kayama, Mami Nomura, Hideaki Miyashita, Othman Bojo, Lesley Rhodes, Stuart Sym, Richard N. Pienaar, Ian Probert …

Current Biology, 31(11) 2395-2403.e4, Jun, 2021 Peer-reviewedLast authorCorresponding author
非光合成性藻類の色素体進化

神川龍馬

光合成研究, 31(1) 37-49, Apr, 2021 Peer-reviewedInvitedLead authorLast authorCorresponding author
Highly Reduced Plastid Genomes of the Non-photosynthetic Dictyochophyceans Pteridomonas spp. (Ochrophyta, SAR) Are Retained for tRNA-Glu-Based Organellar Heme Biosynthesis

Motoki Kayama, Kacper Maciszewski, Akinori Yabuki, Hideaki Miyashita, Anna Karnkowska, Ryoma Kamikawa

Frontiers in Plant Science, 11 602455-602455, Nov 27, 2020 Peer-reviewedLast authorCorresponding author
A non-photosynthetic green alga illuminates the reductive evolution of plastid electron transport systems

Motoki Kayama, Jun-Feng Chen, Takashi Nakada, Yoshiki Nishimura, Toshiharu Shikanai, Tomonori Azuma, Hideaki Miyashita, Shinichi Takaichi, Yuichiro Kashiyama, Ryoma Kamikawa

BMC Biology, 18(1) 126-126, Sep, 2020 Peer-reviewedLast authorCorresponding author
Dinoflagellates with relic endosymbiont nuclei as models for elucidating organellogenesis

Chihiro Sarai, Goro Tanifuji, Takuro Nakayama, Ryoma Kamikawa, Kazuya Takahashi, Euki Yazaki, Eriko Matsuo, Hideaki Miyashita, Ken-ichiro Ishida, Mitsunori Iwataki …

Proceedings of the National Academy of Sciences of the United States of America, 117 5364-5375, Feb, 2020 Peer-reviewedLead author
Substrate specificity of plastid phosphate transporters in a non-photosynthetic diatom and its implication in evolution of red alga-derived complex plastids

Daniel Moog, Akira Nozawa, Yuzuru Tozawa, Ryoma Kamikawa

10 1167, Jan, 2020 Peer-reviewedLast authorCorresponding author
Principles of plastid reductive evolution illuminated by nonphotosynthetic chrysophytes.

Dorrell RG, Azuma T, Nomura M, Audren de Kerdrel G, Paoli L, Yang S, Bowler C, Ishii KI, Miyashita H, Gile GH …

Proc Natl Acad Sci U S A, 116(14) 6914-6923, Apr, 2019 Peer-reviewedLast authorCorresponding author
The Origin and Diversification of Mitochondria

Andrew J. Roger, Sergio A. Munoz-Gomez, Ryoma Kamikawa

CURRENT BIOLOGY, 27(21) R1177-R1192, Nov, 2017 Peer-reviewedInvitedLast author
A Non-photosynthetic Diatom Reveals Early Steps of Reductive Evolution in Plastids

Ryoma Kamikawa, Daniel Moog, Stefan Zauner, Goro Tanifuji, Ken-Ichiro Ishida, Hideaki Miyashita, Shigeki Mayama, Tetsuo Hashimoto, Uwe G. Maier, John M. Archibald …

MOLECULAR BIOLOGY AND EVOLUTION, 34(9) 2355-2366, Sep, 2017 Peer-reviewedLead authorCorresponding author
Organelles that illuminate the origins of Trichomonas hydrogenosomes and Giardia mitosomes

Michelle M. Leger, Martin Kolisko, Ryoma Kamikawa, Courtney W. Stairs, Keitaro Kume, Ivan Cepicka, Jeffrey D. Silberman, Jan O. Andersson, Feifei Xu, Akinori Yabuki …

NATURE ECOLOGY & EVOLUTION, 1(4) 0092, Apr, 2017 Peer-reviewedLead author
The Earliest Stages of Mitochondrial Adaptation to Low Oxygen Revealed in a Novel Rhizarian

Ryan M. R. Gawryluk, Ryoma Kamikawa, Courtney W. Stairs, Jeffrey D. Silberman, Matthew W. Brown, Andrew J. Roger

CURRENT BIOLOGY, 26(20) 2729-2738, Oct, 2016 Peer-reviewed
光合成能力を失った種と葉緑体の進化・多様性～環境と栄養性の進化関係の解明へ向けて～

神川龍馬

生物の科学遺伝, 70(2) 115-120, Mar, 2016 Invited
Proposal of a Twin Aarginine Translocator System-Mediated Constraint against Loss of ATP Synthase Genes from Nonphotosynthetic Plastid Genomes

Ryoma Kamikawa, Goro Tanifuji, Sohta A. Ishikawa, Ken-Ichiro Ishii, Yusei Matsuno, Naoko T. Onodera, Ken-Ichiro Ishida, Tetsuo Hashimoto, Hideaki Miyashita, Shigeki Mayama …

MOLECULAR BIOLOGY AND EVOLUTION, 32(10) 2598-2604, Oct, 2015 Peer-reviewed
Plastid Genome-Based Phylogeny Pinpointed the Origin of the Green-Colored Plastid in the Dinoflagellate Lepidodinium chlorophorum

Ryoma Kamikawa, Goro Tanifuji, Masanobu Kawachi, Hideaki Miyashita, Tetsuo Hashimoto, Yuji Inagaki

GENOME BIOLOGY AND EVOLUTION, 7(4) 1133-1140, Apr, 2015 Peer-reviewedLead authorCorresponding author
Multiple losses of photosynthesis in Nitzschia (Bacillariophyceae)

Ryoma Kamikawa, Naoji Yubuki, Masaki Yoshida, Misaka Taira, Noriaki Nakamura, Ken-ichiro Ishida, Brian S. Leander, Hideaki Miyashita, Tetsuo Hashimoto, Shigeki Mayama …

PHYCOLOGICAL RESEARCH, 63(1) 19-28, Jan, 2015 Peer-reviewedLead authorCorresponding author
Complete genome of a nonphotosynthetic cyanobacterium in a diatom reveals recent adaptations to an intracellular lifestyle

Takuro Nakayama, Ryoma Kamikawa, Goro Tanifuji, Yuichiro Kashiyama, Naohiko Ohkouchi, John M. Archibald, Yuji Inagaki

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 111(31) 11407-11412, Aug, 2014 Peer-reviewed
Palpitomonas bilix represents a basal cryptist lineage: insight into the character evolution in Cryptista

Akinori Yabuki, Ryoma Kamikawa, Sohta A. Ishikawa, Martin Kolisko, Eunsoo Kim, Akifumi S. Tanabe, Keitaro Kume, Ken-ichiro Ishida, Yuji Inagki

SCIENTIFIC REPORTS, 4 4614, Apr, 2014 Peer-reviewedLead author
Gene Content Evolution in Discobid Mitochondria Deduced from the Phylogenetic Position and Complete Mitochondrial Genome of Tsukubamonas globosa

Ryoma Kamikawa, Martin Kolisko, Yuki Nishimura, Akinori Yabuki, Matthew W. Brown, Sohta A. Ishikawa, Ken-ichiro Ishida, Andrew J. Roger, Tetsuo Hashimoto, Yuji Inagaki

GENOME BIOLOGY AND EVOLUTION, 6(2) 306-315, 2014 Peer-reviewedLead authorCorresponding author
Split Introns in the Genome of Giardia intestinalis Are Excised by Spliceosome-Mediated trans-Splicing

Ryoma Kamikawa, Yuji Inagaki, Masaharu Tokoro, Andrew J. Roger, Tetsuo Hashimoto

CURRENT BIOLOGY, 21(4) 311-315, Feb, 2011 Peer-reviewedLead authorCorresponding author
Direct phylogenetic evidence for lateral transfer of elongation factor-like gene

Ryoma Kamikawa, Yuji Inagaki, Yoshihiko Sako

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 105(19) 6965-6969, May, 2008 Peer-reviewedLead author

Misc.

211

非光合成クリプトモナスは炭素固定能力を維持する

谷藤吾朗, 松田真実, 吉田崇伸, 矢吹彬憲, 伊藤元雄, 石谷佳之, 野牧秀隆, 神川龍馬, 蓮沼誠久, 柏山祐一郎

日本寄生虫学会東日本支部大会プログラム・講演要旨, 81st (Web), 2022
To be algae or not to be algae: losses of photosynthesis in diatoms

Ryoma Kamikawa

The 4th Asian Congress of Protistology, Nov, 2021 Invited
ゲノム・トランスクリプトームから見た藻類の多様性と進化

神川龍馬

プランクトン学会若手の会, Sep, 2021 Invited
Loss of photosynthesis in Ochrophyta

Ryoma Kamikawa

2nd AsiaEvo, Aug, 2021 Invited
アピコンプレクサ類アピコプラストは葉緑体縮退進化の王道か？

神川龍馬

第90回日本寄生虫学会第32回日本臨床寄生虫学会合同大会サテライトミーティング, Apr 16, 2021 Invited
Comprehensive evaluation of genome assembly method to construct haploid representation using organisms with various heterozygosity

望月孝子, 坂本美佳, 谷澤靖洋, 中山卓郎, 谷藤吾朗, 神川龍馬, 中村保一

日本分子生物学会年会プログラム・要旨集(Web), 44th, 2021
Supporting genome analysis of diatom: genome assembly of Nitzschia sp. PL1-4

望月孝子, 坂本美佳, 谷澤靖洋, 矢倉勝, 中山卓郎, 谷藤吾朗, 神川龍馬, 中村保一

日本植物生理学会年会(Web), 62nd, 2021
ハマサンゴの骨格から分離した糸状緑藻Phaeophila dendroidesによる遠赤色光の利用

大波千恵子, 西堀洋平, 植野嘉文, 須田彰一郎, 神川龍馬, 秋本誠志, 宮下英明

藻類, 69(1), 2021
縮退オルガネラから見るオルガネラゲノムの存在意義

神川龍馬

日本分子生物学会ワークショップ「ミトコンドリア・葉緑体がもつ核外ゲノムの多彩な複製維持機構と構造」, Dec, 2020 Invited
微細藻類における光合成能の喪失と葉緑体縮退進化ーNo photosynthesis, no life?

神川龍馬

光合成学会ミニシンポジウム, Sep 18, 2020 Invited
ハマサンゴの一種Porites sp.の骨格から分離した糸状緑藻

西堀洋平, 大波千恵子, 須田彰一郞, 神川龍馬, 宮下英明

第44回日本藻類学会, Mar, 2020
非光合成性藻類におけるclpC遺伝子の有無を介した色素体ゲノム喪失に対する機能的制約

加山基, 矢吹彬憲, 宮下英明, 神川龍馬

第44回日本藻類学会, Mar, 2020
ヤマアカガエル及びニホンアカガエルの卵塊に共生する藻類

武井萌, 西川完途, 神川龍馬, 宮下英明

第44回日本藻類学会, Mar, 2020
緑藻類における光合成能喪失と葉緑体電子伝達系の縮退進化

加山基, 陳俊峰, 仲田崇志, 西村芳樹, 鹿内利治, 宮下英明, 高市真一, 柏山祐一郎, 神川龍馬

第44回日本藻類学会, Mar, 2020
不等毛藻類の葉緑体喪失に伴う，葉緑体とミトコンドリアへの二重局在性タンパク質の標的配列の進化

東智範, 加山基, 宮下英明, 神川龍馬

第44回日本藻類学会, Mar, 2020
琵琶湖から分離された,遠赤色光のみを光源として光合成生育する真核藻類

西堀洋平, 北崎翔, 神川龍馬, 宮下英明

藻類, 68(1), 2020
Is marine prokaryotic viral infection dependent on the host cell density?

富永賢人, 山本圭吾, 神川龍馬, 緒方博之, 吉田天士

日本地球化学会年会要旨集(Web), 67th, 2020
Viral dynamics during marine prokaryotic succession analyzed using microcosm experiment

武部紘明, 富永賢人, 神川龍馬, 山本圭吾, 渡邉哲弘, 吉田天士

日本地球化学会年会要旨集(Web), 67th, 2020
Genome evolution through loss of photosynthesis and adaptation to a heterotrophic lifestyle in a non-photosynthetic diatom.

Ryoma Kamikawa

Dec, 2019 InvitedLead authorLast authorCorresponding author
葉緑体喪失に伴うオルガネラ DNA polymerase の進化

東智範, 加山基, 宮下英明, 神川龍馬

第3回日本共生生物学会, Nov, 2019

Books and Other Publications

アメーバのはなし

神川龍馬 (Role: Contributor, ミトコンドリアの起源・進化)

朝倉書店, Sep, 2018
Monitoring harmful algae by using molecular biological techniques (Chapter 2, pp 15-28), in Food Quality (ed., Kostas Kapiris)

Shiraishi T, Ryoma Kamikawa, Sako Y, Imai I

INTECH, Apr 20, 2012
貝毒原因プランクトンの分子モニタリング. In: 今井一郎、福代康夫・広石伸互 (編) 「貝毒研究の最先端―現状と展望」

細井(田辺)祥子, 神川龍馬, 左子芳彦

恒星社厚生閣

Presentations

Mitohondrial evolution: from genomes to metabolisms

神川龍馬

筑波大学遺伝子実験センター形質転換植物デザイン研究拠点研究セミナー, Sep 10, 2012 Invited
嫌気環境に生きる：フォルニカータ生物群のエネルギー生産機構とRNA代謝

神川龍馬

国立環境研究所生物系若手セミナー, Apr 19, 2012 Invited

Research Projects

Virus-driven clockwork in lower tropic level marine ecosystem and its impact on the ocean

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (S), Japan Society for the Promotion of Science, Jul, 2021 - Mar, 2026
光合成補助色素フコキサンチンの未知なる生合成系の解明とその誕生の謎を紐解く

科学研究費助成事業, 基盤研究(B), 日本学術振興会, Apr, 2019 - Mar, 2024

神川龍馬, 原田二朗, 宮下英明, 谷藤吾朗, 中山卓郎, 高市眞一
フォルニカータ生物群におけるミトコンドリア関連オルガネラの機能進化の解明

科学研究費助成事業, 国際共同研究加速基金(国際共同研究強化(B)), 日本学術振興会, Oct, 2019 - Mar, 2023

橋本哲男, 久米慶太郎, 千葉洋子, 神川龍馬
Understanding of biochemistry of chlorophyll c to shed light on evolution of marine primary production over the Phanerozoic Eon

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2018 - Mar, 2023
Diverse photoreceptors in phytoplankton: A novel light utilization mechanism by microbial rhodopsin.

Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Research (Exploratory), Japan Society for the Promotion of Science, Jun, 2018 - Mar, 2021

Yoshizawa Susumu
Elucidation of evolutionary process of light adaptation in a course of loss of photosynthesis.

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2017 - Mar, 2021

Tanifuji Goro
Comprehensive, spatiotemporal study and applied research of carboxydotrophs

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (S), Japan Society for the Promotion of Science, May, 2016 - Mar, 2021

SAKO Yoshihiko
Factors mediating evolution to heterotrophy from autotrophy

Grants-in-Aid for Scientific Research, Grant-in-Aid for Young Scientists (A), Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2019

Kamikawa Ryoma
Early steps prerequisite for evolution from aerobic eukaryotes to anaerobes

Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Exploratory Research, Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2018

Kamikawa Ryoma
マトリョーシカ型進化原理の展開

科学研究費助成事業, 新学術領域研究(研究領域提案型), 日本学術振興会, Apr, 2016 - Mar, 2017

野崎智義, 守屋繁春, 山本雅裕, 松崎素道, 石田健一郎, 神川龍馬, 小保方潤一, 稲垣祐司, 木原久美子
Investigation on the evolutionary process integrating an endosymbiotic cyanobacterium into the host cellular system

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area), Japan Society for the Promotion of Science, Apr, 2011 - Mar, 2016

INAGAKI Yuji, OBOKATA Junichi, KAMIKAWA Ryoma
Studies on the diversity of "Tenguno-mugimeshi" microbial community

Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Exploratory Research, Japan Society for the Promotion of Science, Apr, 2012 - Mar, 2015

MIYASHITA Hideaki, KAMIKAWA Ryoma
Plastid genome evolution in serial secondary plastids of a green-colord dinoflagellate

Grants-in-Aid for Scientific Research, Grant-in-Aid for Research Activity Start-up, Japan Society for the Promotion of Science, 2011 - 2012

KAMIKAWA Ryoma
麻痺性貝毒原因藻シストのミトコンドリア遺伝子の動態解明による発芽予測法の開発

科学研究費助成事業, 特別研究員奨励費, 日本学術振興会, 2006 - 2008

神川龍馬

Profile Information

Research Areas

Research History

Major Papers

Misc.

Books and Other Publications

Presentations

Research Projects

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