Ken‐ichi Tomizawa

2.8k citations

40 papers · 2.2k indexed · 1 hit paper · h-index 20

Molecular Biology top 5%
Plant Science top 2%
Renewable Energy, Sustainability and the Environment top 10%
Cellular and Molecular Neuroscience top 5%
Ecology, Evolution, Behavior and Systematics top 5%

Co-authors: Chikahiro Miyake Toshiharu Shikanai Tsuyoshi Endo Masao Tasaka Yuri Munekage Yuki Shinzaki Akiho Yokota Masaki Furuya
Topics: Photosynthetic Processes and Mechanisms (25 papers)Light effects on plants (7 papers)Plant tissue culture and regeneration (6 papers)
Cited by: Plant Science Molecular Biology Renewable Energy, Sustainability and the Environment
Journals: Nature The Plant Cell PLANT PHYSIOLOGY
Partner nations: Japan United States Germany

In The Last Decade

Ken‐ichi Tomizawa

40 papers receiving 2.2k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Cyclic electron flow around photosystem I is essential for photosynthesis

2004 731 citations Chikahiro Miyake, Ken‐ichi Tomizawa et al. profile →

Peers

Countries citing papers authored by Ken‐ichi Tomizawa

Since Specialization

Citations

This map shows the geographic impact of Ken‐ichi Tomizawa's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ken‐ichi Tomizawa with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ken‐ichi Tomizawa more than expected).

Fields of papers citing papers by Ken‐ichi Tomizawa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ken‐ichi Tomizawa. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ken‐ichi Tomizawa. The network helps show where Ken‐ichi Tomizawa may publish in the future.

Co-authorship network of co-authors of Ken‐ichi Tomizawa

This figure shows the co-authorship network connecting the top 25 collaborators of Ken‐ichi Tomizawa. A scholar is included among the top collaborators of Ken‐ichi Tomizawa based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ken‐ichi Tomizawa. Ken‐ichi Tomizawa is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Production of biologically active human thioredoxin 1 protein in lettuce chloroplasts 2011 ·Plant Molecular Biology ·(unknown),Hiroki Ashida,Rie Watanabe,Koji Inai,Yun‐Soo Kim,Keiko Mukougawa,Hirokazu Fukuda,Ken‐ichi Tomizawa,(unknown),Hiroshi Asao,Masahiro Tamoi,Hiroshi Masutani,Shigeru Shigeoka,Junji Yodoi,Akiho Yokota	27
2	Biosynthesis of astaxanthin in tobacco leaves by transplastomic engineering 2008 ·The Plant Journal ·Tomohisa Hasunuma,Shin‐Ichi Miyazawa,Satomi Yoshimura,Yuki Shinzaki,Ken‐ichi Tomizawa,Kazutoshi Shindo,Seon Kang Choi,Norihiko Misawa,Chikahiro Miyake	143
3	Transient gene expression in guard cell chloroplasts of tobacco using ArF excimer laser microablation 2008 ·Journal of Bioscience and Bioengineering ·Shin’ichiro Kajiyama,Benesh Joseph,(unknown),Masaki Shimamura,Eiichiro Fukusaki,Ken‐ichi Tomizawa,Akio Kobayashi	4
4	Introduction of a 50 kbp DNA Fragment into the Plastid Genome 2007 ·Bioscience Biotechnology and Biochemistry ·Takashi Adachi,Hisabumi Takase,Ken‐ichi Tomizawa	9
5	A strategy for Desert Afforestation Using Plastid Transformation Technique for CO_2 Sequestration 2006 ·Satoru Okumura,Machiko Sawada,Masaki Shimamura,(unknown),Takahisa Hayashi,Atsushi Yamashita,Masahira Hattori,Hirosuke Kanamoto,Hisabumi Takase,Chikahiro Miyake,Ken‐ichi Tomizawa	1
6	Transformation of poplar (Populus alba) plastids and expression of foreign proteins in tree chloroplasts 2006 ·Transgenic Research ·Satoru Okumura,Machiko Sawada,Yong Woo Park,Takahisa Hayashi,Masaki Shimamura,Hisabumi Takase,Ken‐ichi Tomizawa	85
7	CO2 Response of Cyclic Electron Flow around PSI (CEF-PSI) in Tobacco Leaves—Relative Electron fluxes through PSI and PSII Determine the Magnitude of Non-photochemical Quenching (NPQ) of Chl Fluorescence 2005 ·Plant and Cell Physiology ·Chikahiro Miyake,(unknown),Yuki Shinzaki,Ken‐ichi Tomizawa	157
8	Photoinactivation of Ascorbate Peroxidase in Isolated Tobacco Chloroplasts: Galdieria partita APX Maintains the Electron Flux through the Water–Water Cycle in Transplastomic Tobacco Plants 2005 ·Plant and Cell Physiology ·Chikahiro Miyake,Yuki Shinzaki,(unknown),(unknown),Ken‐ichi Tomizawa	51
9	Enhancement of Cyclic Electron Flow Around PSI at High Light and its Contribution to the Induction of Non-Photochemical Quenching of Chl Fluorescence in Intact Leaves of Tobacco Plants 2004 ·Plant and Cell Physiology ·Chikahiro Miyake,Yuki Shinzaki,(unknown),Ken‐ichi Tomizawa	84
10	Isolation of Intact Vacuoles and Proteomic Analysis of Tonoplast from Suspension-Cultured Cells of Arabidopsis thaliana 2004 ·Plant and Cell Physiology ·(unknown),Miwa Ohnishi,Takashi Sazuka,Naoto Mitsuhashi,Ikuko Hara‐Nishimura,Ken‐ichiro Shimazaki,Masayoshi Maeshima,Akiho Yokota,Ken‐ichi Tomizawa,Tetsuro Mimura	145
11	Chemical modification of arginine alleviates the decline in activity during catalysis of spinach Rubisco 2003 ·Biochemical and Biophysical Research Communications ·Eiichi Mizohata,(unknown),(unknown),Ken‐ichi Tomizawa,Shigeru Shigeoka,Yasushi Kai,Akiho Yokota	3
12	Stable Form of Ascorbate Peroxidase from the Red AlgaGaldieria partitaSimilar to Both Chloroplastic and Cytosolic Isoforms of Higher Plants 2002 ·Bioscience Biotechnology and Biochemistry ·Sakihito Kitajima,Masami Ueda,Satoshi Sano,Chikahiro Miyake,Takayuki Kohchi,Ken‐ichi Tomizawa,Shigeru Shigeoka,(unknown)	14
13	A pair of invertedly repeated genes in Chlamydomonas reinhardtii encodes a zygote-specific protein whose expression is UV-sensitive 1999 ·Current Genetics ·Hidenobu Uchida,Lena Suzuki,Toyoaki Anai,Koji Doi,Hiroyoshi Takano,Hirofumi Yamashita,Toshihiko Oka,Shigeyuki Kawano,Ken‐ichi Tomizawa,(unknown),Haruko Kuroiwa,Tsuneyoshi Kuroiwa	17
14	Thioredoxin peroxidase in the Cyanobacterium Synechocystis sp. PCC 6803 1999 ·FEBS Letters ·Hiroshi Yamamoto,Chikahiro Miyake,Karl‐Josef Dietz,Ken‐ichi Tomizawa,Norio Murata,Akiho Yokota	83
15	Inhibition of ascorbate peroxidase under oxidative stress in tobacco having bacterial catalase in chloroplasts 1998 ·FEBS Letters ·Toshiharu Shikanai,Toru Takeda,(unknown),Satoshi Sano,Ken‐ichi Tomizawa,Akiho Yokota,Shigeru Shigeoka	124
16	Characterization of 26S proteasome α- and β-type and ATPase subunits from spinach and their expression during early stages of seedling development 1997 ·Plant Molecular Biology ·Naoko Ito,Ken‐ichi Tomizawa,Keiji Tanaka,Minami Matsui,Richard E. Kendrick,(unknown),Hiroki Nakagawa	16
17	The Deduced Amino Acid Sequence of Phytochrome from <italic>Adiantum</italic> Includes Consensus Motifs Present in Phytochrome B from Seed Plants 1993 ·Plant and Cell Physiology ·Haruko Okamoto,(unknown),Hiroshi Abé,Ken‐ichi Tomizawa,Masaki Furuya,Masamitsu Wada	22
18	Distribution of type I phytochrome (phyA) RNA1 and RNA2 in etiolated pea seedlings 1991 ·Journal of Photochemistry and Photobiology B Biology ·Ken‐ichi Tomizawa,(unknown),Kumiko Ishii,Masaki Furuya	3
19	PHYTOCHROME GENES: STUDIES USING THE TOOLS OF MOLECULAR BIOLOGY and PHOTOMORPHOGENETIC MUTANTS 1990 ·Photochemistry and Photobiology ·Ken‐ichi Tomizawa,Akira Nagatani,Masaki Furuya	23
20	Phytochrome control of multiple transcripts of the phytochrome gene in Pisum sativum 1989 ·Plant Molecular Biology ·Ken‐ichi Tomizawa,Naoki Sato,Masaki Furuya	29

About Ken‐ichi Tomizawa

Ken‐ichi Tomizawa is a scholar working on Plant Science, Biotechnology and Molecular Biology, having authored 40 papers that have together received 2.2k indexed citations. Recurring topics across this work include Photosynthetic Processes and Mechanisms (25 papers), Light effects on plants (7 papers) and Plant tissue culture and regeneration (6 papers). The work is most often cited by research in Plant Science (1.3k citations), Molecular Biology (1.8k citations) and Renewable Energy, Sustainability and the Environment (272 citations). Ken‐ichi Tomizawa has collaborated with scholars based in Japan, United States and Germany. Frequent co-authors include Chikahiro Miyake, Toshiharu Shikanai, Tsuyoshi Endo, Masao Tasaka, Yuri Munekage, Yuki Shinzaki, Akiho Yokota, Masaki Furuya, Shigeru Shigeoka and Masaki Shimamura. Their work appears in journals such as Nature, The Plant Cell and PLANT PHYSIOLOGY.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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