Yoshirō Okami

4.8k total citations · 1 hit paper
134 papers, 3.3k citations indexed

About

Yoshirō Okami is a scholar working on Pharmacology, Molecular Biology and Biotechnology. According to data from OpenAlex, Yoshirō Okami has authored 134 papers receiving a total of 3.3k indexed citations (citations by other indexed papers that have themselves been cited), including 75 papers in Pharmacology, 54 papers in Molecular Biology and 35 papers in Biotechnology. Recurrent topics in Yoshirō Okami's work include Microbial Natural Products and Biosynthesis (70 papers), Enzyme Production and Characterization (19 papers) and Fungal Biology and Applications (12 papers). Yoshirō Okami is often cited by papers focused on Microbial Natural Products and Biosynthesis (70 papers), Enzyme Production and Characterization (19 papers) and Fungal Biology and Applications (12 papers). Yoshirō Okami collaborates with scholars based in Japan, United States and Armenia. Yoshirō Okami's co-authors include Hitoshi Umezawa, Tsutomu Takeuchi, HAMAO UMEZAWA, Kazuhiko Maeda, TOMIO TAKEUCHI, Takao Okazaki, HIROSHI NAGANAWA, Kunimoto Hotta, Daishiro Ikeda and MASA HAMADA and has published in prestigious journals such as Nucleic Acids Research, Biochemical and Biophysical Research Communications and Journal of Bacteriology.

In The Last Decade

Yoshirō Okami

133 papers receiving 3.0k citations

Hit Papers

New antibiotics, bleomycin A and B. 1966 2026 1986 2006 1966 200 400 600
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.

  1. New antibiotics, bleomycin A and B.
    1966 612 citations Hitoshi Umezawa, Yoshirō Okami et al. PubMed profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Yoshirō Okami Japan 31 1.7k 1.2k 962 584 359 134 3.3k
YUZURU IWAI Japan 37 2.1k 1.2× 1.8k 1.5× 1.4k 1.5× 740 1.3× 620 1.7× 138 4.3k
Hans Zähner Germany 41 3.2k 1.9× 2.3k 2.0× 2.0k 2.0× 871 1.5× 651 1.8× 141 6.0k
J.H. Parish United Kingdom 22 1.9k 1.1× 685 0.6× 357 0.4× 313 0.5× 550 1.5× 93 3.3k
Herbert Irschik Germany 40 2.0k 1.2× 1.8k 1.6× 1.5k 1.5× 973 1.7× 349 1.0× 94 4.3k
Heiichi Sakai Japan 23 1.5k 0.9× 605 0.5× 739 0.8× 312 0.5× 164 0.5× 106 2.4k
Michael Greenstein United States 30 1.1k 0.6× 1.3k 1.1× 916 1.0× 745 1.3× 194 0.5× 77 2.6k
Shigeo Iwasaki Japan 33 1.4k 0.9× 878 0.8× 1.1k 1.1× 268 0.5× 775 2.2× 111 3.2k
Michael J. Currens United States 18 1.7k 1.0× 503 0.4× 1.0k 1.1× 364 0.6× 395 1.1× 26 3.9k
Isao Kawamoto Japan 21 1.0k 0.6× 735 0.6× 698 0.7× 151 0.3× 183 0.5× 101 1.8k
Betty J. Abbott United States 15 2.3k 1.4× 578 0.5× 1.2k 1.2× 547 0.9× 481 1.3× 19 4.7k

Countries citing papers authored by Yoshirō Okami

Since Specialization
Citations

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

Fields of papers citing papers by Yoshirō Okami

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Yoshirō Okami

This figure shows the co-authorship network connecting the top 25 collaborators of Yoshirō Okami. A scholar is included among the top collaborators of Yoshirō Okami 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 Yoshirō Okami. Yoshirō Okami is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Hirayama, Shin, Hideomi Amano, Yoshito Kumagai, et al.. (2004). Functional Sulfur Amino Acid Production and Seawater Remediation System by Sterile <I>Ulva</I> sp. (Chlorophyta). Applied Biochemistry and Biotechnology. 112(2). 101–110. 8 indexed citations
2.
Imada, Chiaki, Masanori Okanishi, & Yoshirō Okami. (1999). Intergenus protoplast fusion between Streptomyces and Micromonospora with reference to the distribution of parental characteristics in the fusants. Journal of Bioscience and Bioengineering. 88(2). 143–147. 6 indexed citations
3.
4.
Hotta, Kunimoto, Jun Ishikawa, Masanori Okanishi, et al.. (1996). Mechanismm of Multiple Aminoglycoside Resistance of Kasugamycin-producing Streptomyces kasugaensis MB273: Involvement of Two Types of Acetyltransferases in Resistance to Astromicin Group Antibiotics.. The Journal of Antibiotics. 49(7). 682–688. 9 indexed citations
5.
Tsujibo, Hiroshi, Hideyuki Orikoshi, Chiaki Imada, et al.. (1993). Site-directed Mutagenesis of Chitinase fromAlteromonassp. Strain O–7. Bioscience Biotechnology and Biochemistry. 57(8). 1396–1397. 29 indexed citations
6.
7.
Tsujibo, Hiroshi, Yukio Yoshida, Katsushiro Miyamoto, et al.. (1992). Purification, properties, and partial amino acid sequence of chitinase from a marine Alteromonas sp. strain O-7. Canadian Journal of Microbiology. 38(9). 891–897. 47 indexed citations
8.
9.
Sawa, Ryûichi, Naoko Kinoshita, Chiaki Imada, et al.. (1992). Isolation of glutathione-S- transferase inhibitors.. The Journal of Antibiotics. 45(10). 1681–1683. 28 indexed citations
10.
Takahashi, Atsushi, SHOGO KURASAWA, Daishiro Ikeda, Yoshirō Okami, & TOMIO TAKEUCHI. (1989). Altemicidin, a new acaricidal and antitumor substance. I. Taxonomy, fermentation, isolation and physico-chemical and biological properties.. The Journal of Antibiotics. 42(11). 1556–1561. 96 indexed citations
11.
Takahashi, Atsushi, H. Nakamura, Daishiro Ikeda, et al.. (1988). Thrazarine, a new antitumor antibiotic. II. Physico-chemical properties and structure determination.. The Journal of Antibiotics. 41(11). 1568–1574. 10 indexed citations
12.
Takahashi, Atsushi, Hiroshi Matsumoto, SHOGO KURASAWA, et al.. (1988). Thrazarine, a new antitumor antibiotic. I. Taxonomy, fermentation, isolation and biological properties.. The Journal of Antibiotics. 41(11). 1561–1567. 8 indexed citations
13.
Takahashi, Atsushi, H. Nakamura, SHOGO KURASAWA, et al.. (1987). Bisucaberin, a new siderophore, sensitizing tumor cells to macrophage-mediated cytolysis. II. Physico-chemical properties and structure determination.. The Journal of Antibiotics. 40(12). 1671–1676. 68 indexed citations
14.
Okami, Yoshirō. (1986). Marine microorganisms as a source of bioactive agents. Microbial Ecology. 12(1). 65–78. 77 indexed citations
15.
Kondo, Shinichi, Yukio Horiuchi, Daishiro Ikeda, et al.. (1982). 2"-N-formimidoylistamycin A and B produced by Streptomyces tenjimariensis.. The Journal of Antibiotics. 35(8). 1104–1106. 7 indexed citations
16.
Kawai, Keiichi, et al.. (1971). AEROBIC DISSIMILATION OF GLUCOSE BY HETEROLACTIC BACTERIA:II. PHOSPHATE ACETYLTRANSFERASE OF LEUCONOSTOC MESENTEROIDES. The Journal of General and Applied Microbiology. 17(3). 173–183. 1 indexed citations
17.
Kawai, Keiichi, et al.. (1971). AEROBIC DISSIMILATION OF GLUCOSE BY HETEROLACTIC BACTERIA:I. REDUCED PYRIDINE NUCLEOTIDE-OXIDIZING ENZYMES IN LEUCONOSTOC MESENTEROIDES. The Journal of General and Applied Microbiology. 17(1). 51–62. 5 indexed citations
18.
Okami, Yoshirō. (1962). A streptomyces producing o-carbamyl-D-serine.. 15(3). 3 indexed citations
19.
Okami, Yoshirō. (1960). Sensitivity of actinomycetes to antibiotics as a guide to identification.. 13(4). 4 indexed citations
20.
Okami, Yoshirō, et al.. (1959). Studies on Streptomyces kanamyceticus, producer of kanamycin.. PubMed. 12. 252–6. 2 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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