Sadao Ichikawa

880 total citations
56 papers, 724 citations indexed

About

Sadao Ichikawa is a scholar working on Plant Science, Molecular Biology and Food Science. According to data from OpenAlex, Sadao Ichikawa has authored 56 papers receiving a total of 724 indexed citations (citations by other indexed papers that have themselves been cited), including 47 papers in Plant Science, 28 papers in Molecular Biology and 22 papers in Food Science. Recurrent topics in Sadao Ichikawa's work include Plant Genetic and Mutation Studies (41 papers), Plant tissue culture and regeneration (22 papers) and Radiation Effects and Dosimetry (20 papers). Sadao Ichikawa is often cited by papers focused on Plant Genetic and Mutation Studies (41 papers), Plant tissue culture and regeneration (22 papers) and Radiation Effects and Dosimetry (20 papers). Sadao Ichikawa collaborates with scholars based in Japan, United States and Brazil. Sadao Ichikawa's co-authors include Catarina Satie Takahashi, Naoko Shima, Ling Xiao, Chizu Ishii, Ichizo Nishiyama, A.H. Sparrow, Takaji Ikushima, Mikiko Okumura, Atsushi Nakano and Masatake Tanaka and has published in prestigious journals such as Mutation research. Fundamental and molecular mechanisms of mutagenesis, Environmental and Experimental Botany and Mutation Research/Genetic Toxicology and Environmental Mutagenesis.

In The Last Decade

Sadao Ichikawa

56 papers receiving 697 citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Sadao Ichikawa Japan	17	583	400	224	134	111	56	724
Charles H. Nauman United States	9	207 0.4×	167 0.4×	54 0.2×	82 0.6×	45 0.4×	18	368
Susan S. Schwemmer United States	9	292 0.5×	174 0.4×	28 0.1×	58 0.4×	24 0.2×	15	415
Alvin V. Beatty United States	12	165 0.3×	115 0.3×	52 0.2×	79 0.6×	29 0.3×	32	285
Leo W. Mericle United States	11	201 0.3×	93 0.2×	39 0.2×	16 0.1×	25 0.2×	21	251
M.J. Constantin United States	13	472 0.8×	331 0.8×	55 0.2×	65 0.5×	3 0.0×	34	558
Otto L. Stein United States	13	413 0.7×	302 0.8×	42 0.2×	16 0.1×	22 0.2×	38	557
Snežana Milošević Serbia	13	330 0.6×	200 0.5×	28 0.1×	9 0.1×	10 0.1×	49	475
Peter L. Webster United States	12	350 0.6×	223 0.6×	37 0.2×	9 0.1×	3 0.0×	28	482
Antoine Berger France	11	439 0.8×	145 0.4×	15 0.1×	38 0.3×	5 0.0×	16	598
N.M. Topchiy Ukraine	5	201 0.3×	144 0.4×	9 0.0×	23 0.2×	41 0.4×	14	368

Countries citing papers authored by Sadao Ichikawa

Since Specialization

Citations

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

Fields of papers citing papers by Sadao Ichikawa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Sadao Ichikawa

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

Ichikawa, Sadao, et al.. (2000). Analyses of spontaneous pink mutant events in the stamen hairs of Tradescantia clone BNL 4430 cultivated in a nutrient solution circulating growth chamber. Mutation Research/Genetic Toxicology and Environmental Mutagenesis. 472(1-2). 37–49. 5 indexed citations

Ichikawa, Sadao, et al.. (1998). Mutagenic interactions between X-rays and two promutagens, o-phenylenediamine and N-nitrosodimethylamine, in the stamen hairs of Tradescantia clone BNL 4430. Mutation Research/Genetic Toxicology and Environmental Mutagenesis. 413(2). 177–186. 6 indexed citations

Xiao, Ling & Sadao Ichikawa. (1998). Mutagenic synergism detected between 1,2-dibromoethane and X rays in the stamen hairs of Tradescantia clone BNL 4430.. Genes & Genetic Systems. 73(3). 143–147. 4 indexed citations

Shima, Naoko, et al.. (1997). Young inflorescence-bearing shoots with roots of Tradescantia clone BNL 4430 cultivated in nutrient solution circulating systems: an alternative to potted plants and cuttings for mutagenicity tests. Mutation Research/Genetic Toxicology and Environmental Mutagenesis. 395(2-3). 199–208. 6 indexed citations

Ichikawa, Sadao, Atsushi Nakano, Eiji Takahashi, et al.. (1996). Yearly variation of spontaneous somatic mutation frequency in the stamen hairs of Tradescantia clone KU 9 grown outdoors, which showed a significant increase after the Chernobyl accident. Mutation research. Fundamental and molecular mechanisms of mutagenesis. 349(2). 249–259. 12 indexed citations

Ichikawa, Sadao, et al.. (1996). Fallout decay simulation experiments with the stamen hairs of stable and mutable Tradescantia clones. Environmental and Experimental Botany. 36(2). 173–184. 5 indexed citations

Shima, Naoko & Sadao Ichikawa. (1995). Mutagenic synergism detected between dimethyl sulfate and X-rays but not found between N-methyl-N-nitrosourea and X-rays in the stamen hairs of Tradescantia clone BNL 4430. Mutation research. Fundamental and molecular mechanisms of mutagenesis. 331(1). 79–87. 21 indexed citations

Ichikawa, Sadao. (1992). Tradescantia stamen-hair system as an excellent botanical tester of mutagenicity: its responses to ionizing radiations and chemical mutagens, and some synergistic effects found. Mutation research. Fundamental and molecular mechanisms of mutagenesis. 270(1). 3–22. 57 indexed citations

Ichikawa, Sadao, Charles H. Nauman, A.H. Sparrow, & Catarina Satie Takahashi. (1978). Influence of radiation exposure rate on somatic mutation frequency and loss of reproductive integrity in tradescantia stamen hairs. Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis. 52(2). 171–180. 15 indexed citations

10.

Ichikawa, Sadao & Catarina Satie Takahashi. (1977). Somatic mutation frequencies in the stamen hairs of stable and mutable clones of tradescantia after acute gamma-ray treatments with small doses. Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis. 45(2). 195–204. 35 indexed citations

11.

Takahashi, Catarina Satie & Sadao Ichikawa. (1976). Variation of spontaneous mutation frequency in Tradescantia stamen hairs under natural and controlled environmental conditions. Environmental and Experimental Botany. 16(4). 287–293. 23 indexed citations

12.

Tanaka, Masatake & Sadao Ichikawa. (1972). CYTOGENETICAL RELATIONSHIPS OF TWO TYPES OF TRITICUM ARARATICUM JAKUBZ. TO OTHER TETRAPLOID WHEAT SPECIES. The Japanese Journal of Genetics. 47(2). 103–114. 10 indexed citations

13.

Ichikawa, Sadao. (1972). SOMATIC MUTATION RATE IN TRADESCANTIA STAMEN HAIRS AT LOW RADIATION LEVELS: FINDING OF LOW DOUBLING DOSES OF MUTATIONS. The Japanese Journal of Genetics. 47(6). 411–421. 15 indexed citations

14.

Ichikawa, Sadao. (1970). RELATIVE BIOLOGICAL EFFICIENCY OF 14.1MeV FAST NEUTRONS AND 137Cs GAMMA RAYS IN THE PRESOAKED SEEDS OF TRITICUM BOEOTICUM BOISS. AND ITS AUTOTETRAPLOID. The Japanese Journal of Genetics. 45(3). 217–224. 6 indexed citations

15.

Ichikawa, Sadao. (1968). A RADIOBIOLOGICAL STUDY IN THE STAMEN HAIRS OF TRADESCANTIA BLOSSFELDIANA MILDBR.. Medical Entomology and Zoology. 35–45. 6 indexed citations

16.

Ichikawa, Sadao. (1967). IDENTIFICATION OF THE CHROMOSOMES CONTROLLING GAMMA-RAY- INDUCED MUTANT CHARACTERS IN A JAPANESE VARIETY OF COMMON WHEAT. The Japanese Journal of Genetics. 42(3). 189–194. 1 indexed citations

17.

Ichikawa, Sadao & Ichizo Nishiyama. (1967). GAMMA-RAY-INDUCED MUTANTS IN A JAPANESE VARIETY OF COMMON WHEAT. The Japanese Journal of Genetics. 42(3). 175–187. 3 indexed citations

18.

Ikushima, Takaji & Sadao Ichikawa. (1967). ELIMINATION OF X-RAY INDUCED ABERRANT CHROMOSOMES IN THE ROOT MERISTEMS OF TWO-ROWED BARLEY. The Japanese Journal of Genetics. 42(4). 271–278. 6 indexed citations

19.

Ichikawa, Sadao, Takaji Ikushima, & Ichizo Nishiyama. (1965). Two kinds of chromosome rejoinings in x-rayed two-rowed barley. Radiation Botany. 5(6). 513–523. 11 indexed citations

20.

Nishiyama, Ichizo, Sadao Ichikawa, & Takeo Maruyama. (1962). Radiobiological Studies in Plants, VI : Effects of Radiations from the Nuclear Reactor, JRR-1, on Dry Seeds of Wheats and Oats. Ikushugaku zasshi. 12(4). 237–245. 5 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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