Tomoko Ohta

13.6k total citations · 8 hit papers
97 papers, 10.0k citations indexed

About

Tomoko Ohta is a scholar working on Genetics, Molecular Biology and Plant Science. According to data from OpenAlex, Tomoko Ohta has authored 97 papers receiving a total of 10.0k indexed citations (citations by other indexed papers that have themselves been cited), including 78 papers in Genetics, 54 papers in Molecular Biology and 13 papers in Plant Science. Recurrent topics in Tomoko Ohta's work include Evolution and Genetic Dynamics (72 papers), Genetic diversity and population structure (34 papers) and Genetic Mapping and Diversity in Plants and Animals (15 papers). Tomoko Ohta is often cited by papers focused on Evolution and Genetic Dynamics (72 papers), Genetic diversity and population structure (34 papers) and Genetic Mapping and Diversity in Plants and Animals (15 papers). Tomoko Ohta collaborates with scholars based in Japan, United States and United Kingdom. Tomoko Ohta's co-authors include Makoto Kimura, Peter Parham, Jack Lester King, Gabriel A. Dover, C. Clark Cockerham, Frank M. Stewart, Hiroshi Akashi, Naoki Osada, Ken-Ichi Kojima and Noriko Arai and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Tomoko Ohta

94 papers receiving 9.5k citations

Hit Papers

A model of mutation appropriate to estimate the number of... 1969 2026 1988 2007 1973 1992 1973 1996 1969 250 500 750
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. A model of mutation appropriate to estimate the number of electrophoretically detectable alleles in a finite population
    1973 933 citations Tomoko Ohta, Makoto Kimura Genetics Research profile →
  2. The Nearly Neutral Theory of Molecular Evolution
    1992 806 citations Tomoko Ohta profile →
  3. Slightly Deleterious Mutant Substitutions in Evolution
    1973 739 citations Tomoko Ohta profile →
  4. Population Biology of Antigen Presentation by MHC Class I Molecules
    1996 515 citations Tomoko Ohta et al. profile →
  5. THE AVERAGE NUMBER OF GENERATIONS UNTIL FIXATION OF A MUTANT GENE IN A FINITE POPULATION
    1969 482 citations Makoto Kimura, Tomoko Ohta profile →
  6. Theoretical Aspects of Population Genetics.
    1972 419 citations Makoto Kimura, Tomoko Ohta et al. profile →
  7. On Some Principles Governing Molecular Evolution
    1974 377 citations Makoto Kimura, Tomoko Ohta profile →
  8. Protein Polymorphism as a Phase of Molecular Evolution
    1971 375 citations Makoto Kimura, Tomoko Ohta profile →

Peers

Tomoko Ohta
Warren J. Ewens United States
Naoyuki Takahata Japan
Richard R. Hudson United States
R R Hudson United States
Adam Eyre‐Walker United Kingdom
Martin Kreitman United States
Peter D. Keightley United Kingdom
Alan Robertson United Kingdom
Molly Przeworski United States
G. A. Watterson Australia
Warren J. Ewens United States
Tomoko Ohta
Citations per year, relative to Tomoko Ohta Tomoko Ohta (= 1×) peers Warren J. Ewens

Countries citing papers authored by Tomoko Ohta

Since Specialization
Citations

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

Fields of papers citing papers by Tomoko Ohta

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Tomoko Ohta

This figure shows the co-authorship network connecting the top 25 collaborators of Tomoko Ohta. A scholar is included among the top collaborators of Tomoko Ohta 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 Tomoko Ohta. Tomoko Ohta 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.
Ohta, Tomoko. (2004). Role of Gene Conversion in Generating Polymorphisms at Major Histocompatibility Complex Loci. Hereditas. 127(1-2). 97–103. 10 indexed citations
2.
Ohta, Tomoko. (2003). Origin of the neutral and nearly neutral theories of evolution. Journal of Biosciences. 28(4). 371–377. 14 indexed citations
3.
Ohta, Tomoko. (2000). Mechanisms of molecular evolution. Philosophical Transactions of the Royal Society B Biological Sciences. 355(1403). 1623–1626. 190 indexed citations
4.
Ohta, Tomoko. (2000). Evolution of gene families. Gene. 259(1-2). 45–52. 93 indexed citations
5.
Ohta, Tomoko. (1999). Effect of gene conversion on polymorphic patterns at major histocompatibility complex loci. Immunological Reviews. 167(1). 319–325. 33 indexed citations
6.
Ohta, Tomoko. (1998). On the Pattern of Polymorphisms at Major Histocompatibility Complex Loci. Journal of Molecular Evolution. 46(6). 633–638. 40 indexed citations
7.
Ohta, Tomoko. (1997). Role of random genetic drift in the evolution of interactive systems. Journal of Molecular Evolution. 44(S1). S9–S14. 24 indexed citations
8.
Ohta, Tomoko. (1995). Synonymous and nonsynonymous substitutions in mammalian genes and the nearly neutral theory. Journal of Molecular Evolution. 40(1). 56–63. 222 indexed citations
9.
Ohta, Tomoko. (1995). Gene conversion vs point mutation in generating variability at the antigen recognition site of major histocompatibility complex loci. Journal of Molecular Evolution. 41(2). 115–9. 45 indexed citations
10.
Ohta, Tomoko. (1993). Interaction of selection and drift in molecular evolution.. The Japanese Journal of Genetics. 68(6). 529–537.
11.
Ohta, Tomoko. (1992). The meaning of natural selection revisited at the molecular level. Trends in Ecology & Evolution. 7(9). 311–312. 8 indexed citations
12.
Ohta, Tomoko. (1991). Multigene families and the evolution of complexity. Journal of Molecular Evolution. 33(1). 34–41. 127 indexed citations
13.
Ohta, Tomoko. (1990). How gene families evolve. Theoretical Population Biology. 37(1). 213–219. 40 indexed citations
14.
Ohta, Tomoko. (1989). Role of gene duplication in evolution. Genome. 31(1). 304–310. 88 indexed citations
15.
Ohta, Tomoko. (1987). Very slightly deleterious mutations and the molecular clock. Journal of Molecular Evolution. 26(1-2). 1–6. 76 indexed citations
16.
Ohta, Tomoko. (1987). A model of evolution for accumulating genetic information. Journal of Theoretical Biology. 124(2). 199–211. 9 indexed citations
17.
Ohta, Tomoko & Makoto Kimura. (1973). A model of mutation appropriate to estimate the number of electrophoretically detectable alleles in a finite population. Genetics Research. 22(2). 201–204. 933 indexed citations breakdown →
18.
Ohta, Tomoko. (1972). Population size and rate of evolution. Journal of Molecular Evolution. 1(4). 305–314. 156 indexed citations
19.
Ohta, Tomoko & Makoto Kimura. (1972). Fixation time of overdominant alleles influenced by random fluctuation of selection intensity. Genetics Research. 20(1). 1–7. 12 indexed citations
20.
Ohta, Tomoko & Makoto Kimura. (1970). Development of associative overdominance through linkage disequilibrium in finite populations. Genetics Research. 16(2). 165–177. 87 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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