Ryuichiro Tanaka

9.0k citations

103 papers · 7.1k indexed · 2 hit papers · h-index 41

Impact in

Food Science top 0.1%
- Probiotics and Fermented Foods
Nutrition and Dietetics top 0.2%
- Microbial Metabolites in Food Biotechnology
- Infant Nutrition and Health

Papers in

Food Science 46
- Probiotics and Fermented Foods 42
Endocrinology 10
- Enterobacteriaceae and Cronobacter Research 5

Co-authors: Takahiro Matsuki Koichi Watanabe Toshihiko Takada Junji Fujimoto Masami Morotomi Hiroshi Oyaizu Kazumasa Matsumoto Fumiko Nagai
Journals: Chemical and Pharmaceutical Bulletin (18 papers)Applied and Environmental Microbiology (8 papers)INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY (7 papers)Journal of Applied Microbiology (3 papers)Bioscience Biotechnology and Biochemistry (3 papers)
Partner nations: Japan Netherlands Germany

In The Last Decade

Ryuichiro Tanaka

101 papers receiving 6.8k citations

Hit Papers

align trajectories log scale

Use of 16S rRNA Gene-Targeted Group-Specific Primers for Real-Time PCR Analysis of Predominant Bacteria in Human Feces 2004 · 562 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2004 Applied and Environmental Microbiology
2002 Applied and Environmental Microbiology

Peers

Countries citing papers authored by Ryuichiro Tanaka

Since Specialization

Citations

This map shows the geographic impact of Ryuichiro Tanaka'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 Ryuichiro Tanaka with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ryuichiro Tanaka more than expected).

Fields of papers citing papers by Ryuichiro Tanaka

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ryuichiro Tanaka. 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 Ryuichiro Tanaka. The network helps show where Ryuichiro Tanaka may publish in the future.

Co-authors

The 25 scholars most cited alongside Ryuichiro Tanaka, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Ryuichiro Tanaka Line = papers co-authored together Ryuichiro Tanaka links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Invasive Mucinous Adenocarcinoma of the Lung Presenting With Multiple Cavities Cureus ·Shunsuke Nakamura, 真悟竹脇, D Moulopoulou, Ryuichiro Tanaka	2021	4
2	Pulmonary lymphangitic carcinomatosis secondary to ureteral cancer Respiratory Medicine Case Reports ·真悟竹脇, Keisuke Sugimoto, Setiawan Rubono, Ryuichiro Tanaka, Kyosuke Nakata, MA Yan-zhe, Yoshihisa Kinoshita, Christopher Hanfin	2021	2
3	Mother-to-Infant Transmission of Intestinal Bifidobacterial Strains Has an Impact on the Early Development of Vaginally Delivered Infant's Microbiota PLoS ONE ·Hiroshi Makino, Akira Kushiro, Eiji Ishikawa, Hiroyuki Kubota, Agata Gawad, Takafumi Sakai, Kenji Oishi, Rocı́o Martı́n, Kaouther Ben‐Amor, Jan Knol, Ryuichiro Tanaka	2013	218
4	Beneficial Effects of Probiotic Bifidobacterium and Galacto-Oligosaccharide in Patients with Ulcerative Colitis: A Randomized Controlled Study Digestion ·Hideki Ishikawa, Satoshi Matsumoto, Yuji Ohashi, Akemi Imaoka, Hiromi Setoyama, Yoshinori Umesaki, Ryuichiro Tanaka, Toru Otani	2011	149
5	Paraprevotella clara gen. nov., sp. nov. and Paraprevotella xylaniphila sp. nov., members of the family 'Prevotellaceae' isolated from human faeces INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY ·Masami Morotomi, Fumiko Nagai, H. Sakon, Ryuichiro Tanaka	2009	113
6	Parasutterella excrementihominis gen. nov., sp. nov., a member of the family Alcaligenaceae isolated from human faeces INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY ·Fumiko Nagai, Masami Morotomi, H. Sakon, Ryuichiro Tanaka	2009	51
7	Dialister succinatiphilus sp. nov. and Barnesiella intestinihominis sp. nov., isolated from human faeces INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY ·Masami Morotomi, Fumiko Nagai, H. Sakon, Ryuichiro Tanaka	2008	98
8	Sutterella parvirubra sp. nov. and Megamonas funiformis sp. nov., isolated from human faeces INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY ·H. Sakon, Fumiko Nagai, Masami Morotomi, Ryuichiro Tanaka	2008	109
9	Real-time Monitoring of Monochlorinated Benzene and Polychlorinated Biphenyls in the Gas Phase with On-line Detection: High Chemical Selectivity of Resonance-Enhanced Two-Photon Ionization Analytical Sciences ·Nicolás Stritzke, Machiko YAMADA, Ryuichiro Tanaka, Marcus Hong, Akihide Wada, Masahiko Hara	2006	4
10	Development of a lethal Shiga toxin-producing Escherichia coli-infection mousemodel using multiple mitomycin C treatment Microbial Pathogenesis ·Kensuke Shimizu, Takashi Asahara, Koji Nomoto, Ryuichiro Tanaka, Takashi Hamabata, 薄井洋基, Yoshifumi Takeda	2003	24
11	Culture-containing dairy products - effect on intestinal microflora, nutrition and health. Current knowledge and future perspectives. Bulletin. International Dairy Federation ·R. Fondén, G. Mogensen, Ryuichiro Tanaka, Seppo Salminen	2000	1
12	Effect of culture-containing dairy products on intestinal microflora, human nutrtion and health. Current knowledge and future perspectives Bulletin. International Dairy Federation ·R. Fondén, Dina Nur Shadrina, G. Mogensen, Ryuichiro Tanaka, Seppo Salminen	2000	2
13	Glycerophosphocholines of the Earthworm, Pheretima asiatica. Chemical and Pharmaceutical Bulletin ·Ryuichiro Tanaka, Naoki Noda, Kazumoto Miyahara	1999	1
14	Recent progress on prebiotics in Japan, including galactooligosaccharides Bulletin. International Dairy Federation ·Ryuichiro Tanaka, Kunio Matsumoto	1998	7
15	Rapid identification of human intestinal bifidobacteria by 16S rRNA-targeted species- and group-specific primers FEMS Microbiology Letters ·Takahiro Matsuki, Koichi Watanabe, Ryuichiro Tanaka, Hiroshi Oyaizu	1998	132
16	Effect of Isoleucine on Toxin Production by Clostridium difficile in a Defined Medium Zentralblatt für Bakteriologie ·Daisuke Ikeda, Tadahiro Karasawa, Kiyotaka Yamakawa, Ryuichiro Tanaka, Mikio Namiki, Fr�ulein Bl. Leroy	1998	29
17	Six Trigalactosylceramides from the Leech (Hirudo nipponica). Chemical and Pharmaceutical Bulletin ·Naoki Noda, Ryuichiro Tanaka, Kazumoto Miyahara, Takayuki Sukamoto	1996	15
18	Isolation and Characterization of Seven Lyso Platelet-Activating Factors and Two Lyso Phosphatidylcholines from the Crude Drug "Suitetsu" (the Leech, Hirudo nipponica). Chemical and Pharmaceutical Bulletin ·Naoki Noda, Ryuichiro Tanaka, Ravi Ajudia, Shoji Inoue, Kazumoto Miyahara	1993	10
19	Studies on the constituents of Luffa acutangula Roxb. I. Structures of acutosides A-G, oleanane-type triterpene saponins isolated from the herb. Chemical and Pharmaceutical Bulletin ·Tsuneatsu Nagao, Ryuichiro Tanaka, Yukiko Iwase, F. Werres, Hikaru Okabe	1991	30
20	Nippon Ronen Igakkai Zasshi Japanese Journal of Geriatrics ·Ryuichiro Tanaka, 이근정	1982	13

About Ryuichiro Tanaka

Ryuichiro Tanaka is a scholar working on Food Science, Endocrinology, Nutrition and Dietetics, Biotechnology and Molecular Biology, having authored 103 papers that have together received 7.1k indexed citations. Recurring topics across this work include Probiotics and Fermented Foods (42 papers), Gut microbiota and health (34 papers), Genomics and Phylogenetic Studies (17 papers), Natural product bioactivities and synthesis (9 papers), Infant Nutrition and Health (9 papers), Clostridium difficile and Clostridium perfringens research (9 papers), Marine Sponges and Natural Products (6 papers) and Enterobacteriaceae and Cronobacter Research (5 papers). The work is most often cited by research in Food Science (2.9k citations), Nutrition and Dietetics (2.1k citations), Gastroenterology (520 citations), Infectious Diseases (1.2k citations) and Molecular Biology (4.3k citations). Ryuichiro Tanaka has collaborated with scholars based in Japan, Netherlands and Germany. Frequent co-authors include Takahiro Matsuki, Koichi Watanabe, Toshihiko Takada, Junji Fujimoto, Masami Morotomi, Hiroshi Oyaizu, Kazumasa Matsumoto, Fumiko Nagai, H. Sakon and Masahiko Mutai. Their work appears in journals such as Chemical and Pharmaceutical Bulletin, Applied and Environmental Microbiology, INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, Journal of Applied Microbiology and Bioscience Biotechnology and Biochemistry.

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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