Yudai Okuyama

1.8k total citations · 1 hit paper
35 papers, 1.2k citations indexed

About

Yudai Okuyama is a scholar working on Plant Science, Ecology, Evolution, Behavior and Systematics and Molecular Biology. According to data from OpenAlex, Yudai Okuyama has authored 35 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Plant Science, 19 papers in Ecology, Evolution, Behavior and Systematics and 18 papers in Molecular Biology. Recurrent topics in Yudai Okuyama's work include Plant and animal studies (17 papers), Plant and Fungal Species Descriptions (11 papers) and Plant Parasitism and Resistance (10 papers). Yudai Okuyama is often cited by papers focused on Plant and animal studies (17 papers), Plant and Fungal Species Descriptions (11 papers) and Plant Parasitism and Resistance (10 papers). Yudai Okuyama collaborates with scholars based in Japan, United States and Taiwan. Yudai Okuyama's co-authors include Makoto Katô, Ryohei Terauchi, Hiroyuki Kanzaki, Noriaki Murakami, Gaëtan Thilliez, Susana Rivas, Jean‐Benoit Morel, Cécile Ribot, Thomas Kroj and Stella Césari and has published in prestigious journals such as Science, The Plant Cell and Ecology.

In The Last Decade

Yudai Okuyama

34 papers receiving 1.2k 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.

The Rice Resistance Protein Pair RGA4/RGA5 Recognizes the Magnaporthe oryzae Effectors AVR-Pia and AVR1-CO39 by Direct Binding

2013 397 citations Hiroyuki Kanzaki, Yudai Okuyama et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Yudai Okuyama Japan	13	873	488	388	177	168	35	1.2k
Chuanzhu Fan United States	19	748 0.9×	790 1.6×	225 0.6×	115 0.6×	280 1.7×	39	1.2k
Rebecca Lyons Australia	12	1.3k 1.5×	468 1.0×	103 0.3×	176 1.0×	136 0.8×	18	1.4k
Brian G. Murray New Zealand	19	831 1.0×	568 1.2×	396 1.0×	70 0.4×	162 1.0×	51	1.1k
Ester Gaya United Kingdom	18	796 0.9×	264 0.5×	652 1.7×	386 2.2×	79 0.5×	38	1.2k
Norihiro Futamura Japan	20	525 0.6×	518 1.1×	108 0.3×	65 0.4×	156 0.9×	39	851
Marcus Linde Germany	20	910 1.0×	551 1.1×	235 0.6×	230 1.3×	209 1.2×	55	1.2k
Tokuko Ujino‐Ihara Japan	20	613 0.7×	545 1.1×	182 0.5×	143 0.8×	414 2.5×	46	1.0k
T. Rhyker Ranallo-Benavidez United States	3	450 0.5×	571 1.2×	184 0.5×	56 0.3×	269 1.6×	4	1.0k
Eligio Bossolini Switzerland	18	2.3k 2.6×	579 1.2×	336 0.9×	99 0.6×	693 4.1×	19	2.5k
Jane L. Doyle United States	19	992 1.1×	837 1.7×	691 1.8×	122 0.7×	291 1.7×	23	1.6k

Countries citing papers authored by Yudai Okuyama

Since Specialization

Citations

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

Fields of papers citing papers by Yudai Okuyama

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Yudai Okuyama

This figure shows the co-authorship network connecting the top 25 collaborators of Yudai Okuyama. A scholar is included among the top collaborators of Yudai Okuyama 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 Yudai Okuyama. Yudai Okuyama 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

Okuyama, Yudai, Kenji Fukushima, Satoshi Kakishima, et al.. (2025). Convergent acquisition of disulfide-forming enzymes in malodorous flowers. Science. 388(6747). 656–661. 4 indexed citations

Folk, Ryan A., et al.. (2021). Biogeography and habitat evolution of Saxifragaceae, with a revision of generic limits and a new tribal system. Taxon. 70(2). 263–285. 8 indexed citations

Suetsugu, Kenji, et al.. (2020). The sterile appendix of two sympatric Arisaema species lures each specific pollinator into deadly trap flowers. Ecology. 102(2). e03242–e03242. 11 indexed citations

Mizuno, Takafumi, Yudai Okuyama, & Tsukasa Iwashina. (2018). Flavonoids from Iris sanguinea var. tobataensis and chemotaxonomic and molecular phylogenetic comparisons with Iris sanguinea var. sanguinea.. 44(3). 135–145. 3 indexed citations

Takahashi, Tsutomu, Makoto Ariizumi, Tsutomu Mori, et al.. (2018). Body odour aldehyde reduction by acetic acid bacterial extract including enzymes: alcohol dehydrogenase and aldehyde dehydrogenase. International Journal of Cosmetic Science. 40(4). 425–428. 3 indexed citations

Kakishima, Satoshi & Yudai Okuyama. (2018). Floral scent profiles and flower visitors in species of Asarum series Sakawanum (Aristolochiaceae).. 44(1). 41–51. 6 indexed citations

Kakishima, Satoshi & Yudai Okuyama. (2018). Pollinator assemblages of Arisaema heterocephalum subsp. majus (Araceae), a critically endangered species endemic to Tokunoshima Island, Central Ryukyus.. 44(4). 173–179. 3 indexed citations

Okuyama, Yudai, et al.. (2018). Recurrent hybridization without homoeologous chromosome paring in the <i>Dryopteris varia</i> complex (Dryopteridaceae). 13(1). 9–24. 11 indexed citations

Okuyama, Yudai. (2016). Mitella amamiana sp. nov., the First Discovery of the Genus Mitella (Saxifragaceae) in the Central Ryukyus. 67(1). 17–27. 3 indexed citations

10.

Okuyama, Yudai. (2012). Pollination by Fungus Gnats in Mitella formosana (Saxifragaceae). 4 indexed citations

11.

Okuyama, Yudai, et al.. (2012). The Genetic Characteristics of an Endangered Population of Mitella furusei var. subramosa (Saxifragaceae) from Shikoku, Japan. 2 indexed citations

12.

Okuyama, Yudai, Hiroyuki Kanzaki, Akira Abe, et al.. (2011). A multifaceted genomics approach allows the isolation of the rice Pia ‐blast resistance gene consisting of two adjacent NBS‐LRR protein genes. The Plant Journal. 66(3). 467–479. 253 indexed citations

13.

Okuyama, Yudai, Akifumi S. Tanabe, & Masashi Kato. (2011). Entangling Ancient Allotetraploidization in Asian Mitella: An Integrated Approach for Multilocus Combinations. Molecular Biology and Evolution. 29(1). 429–439. 16 indexed citations

14.

Okuyama, Yudai. (2010). Which genus to study? In search of plant genera underrepresented or overrepresented in the research from the flora of Japan.. 36(2). 81–89. 1 indexed citations

15.

Okuyama, Yudai & Makoto Katô. (2009). Unveiling cryptic species diversity of flowering plants: successful biological species identification of Asian Mitella using nuclear ribosomal DNA sequences. BMC Evolutionary Biology. 9(1). 105–105. 40 indexed citations

16.

Katô, Makoto, et al.. (2008). Plant–pollinator interactions in tropical monsoon forests in Southeast Asia. American Journal of Botany. 95(11). 1375–1394. 49 indexed citations

17.

Okuyama, Yudai, Noriyuki Fujii, Atsushi Kawakita, et al.. (2004). Nonuniform Concerted Evolution and Chloroplast Capture: Heterogeneity of Observed Introgression Patterns in Three Molecular Data Partition Phylogenies of Asian Mitella (Saxifragaceae). Molecular Biology and Evolution. 22(2). 285–296. 139 indexed citations

18.

Katô, Makoto & Yudai Okuyama. (2004). Changes in the biodiversity of a deciduous forest ecosystem caused by an increase in the Sika deer population at Ashiu, Japan. Kyoto University Research Information Repository (Kyoto University). 29(4). 437–448. 31 indexed citations

19.

Okuyama, Yudai, Makoto Katô, & Noriaki Murakami. (2004). Pollination by fungus gnats in four species of the genus Mitella (Saxifragaceae). Botanical Journal of the Linnean Society. 144(4). 449–460. 42 indexed citations

20.

Kikuchi, Shogo & Yudai Okuyama. (1964). Studies on trichuriasis. I. Ecological study on Trichuris vulpis and histopathological changes caused by it.. Kiseichūgaku zasshi. 13(1). 11–24. 1 indexed citations

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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