Masazumi Sameshima

3.9k total citations · 1 hit paper
44 papers, 3.4k citations indexed

About

Masazumi Sameshima is a scholar working on Molecular Biology, Cell Biology and Ecology, Evolution, Behavior and Systematics. According to data from OpenAlex, Masazumi Sameshima has authored 44 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Molecular Biology, 24 papers in Cell Biology and 11 papers in Ecology, Evolution, Behavior and Systematics. Recurrent topics in Masazumi Sameshima's work include Cellular Mechanics and Interactions (23 papers), Biocrusts and Microbial Ecology (11 papers) and Microtubule and mitosis dynamics (10 papers). Masazumi Sameshima is often cited by papers focused on Cellular Mechanics and Interactions (23 papers), Biocrusts and Microbial Ecology (11 papers) and Microtubule and mitosis dynamics (10 papers). Masazumi Sameshima collaborates with scholars based in Japan, Canada and United States. Masazumi Sameshima's co-authors include Shigekazu Nagata, Shin Yonehara, Naoto Itoh, Ai Ishii, Atsushi Hase, Yoshiro Kishi, Ichiro Yahara, Hiroyuki Aizawa, Mikako Maruya and David A. Cotter and has published in prestigious journals such as Nature, Cell and Blood.

In The Last Decade

Masazumi Sameshima

44 papers receiving 3.3k 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 polypeptide encoded by the cDNA for human cell surface antigen Fas can mediate apoptosis

1991 2.5k citations Masazumi Sameshima et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Masazumi Sameshima Japan	20	2.1k	1.3k	496	432	325	44	3.4k
Ai Ishii Japan	11	2.3k 1.1×	1.4k 1.1×	453 0.9×	606 1.4×	371 1.1×	12	3.7k
M Matsumoto Japan	28	2.2k 1.1×	888 0.7×	395 0.8×	695 1.6×	300 0.9×	83	3.4k
J. Yun Tso United States	28	2.1k 1.0×	1.3k 1.0×	299 0.6×	616 1.4×	213 0.7×	51	4.3k
Apurva Sarin India	31	1.6k 0.8×	1.4k 1.1×	259 0.5×	378 0.9×	318 1.0×	61	3.0k
Leonor Kremer Spain	33	1.5k 0.7×	1.0k 0.8×	589 1.2×	727 1.7×	248 0.8×	75	3.4k
François Amalric France	42	3.6k 1.7×	750 0.6×	498 1.0×	455 1.1×	255 0.8×	76	4.7k
S Y Ng United States	22	2.9k 1.4×	572 0.4×	424 0.9×	574 1.3×	281 0.9×	34	4.0k
P A Detmers United States	24	941 0.5×	1.4k 1.1×	427 0.9×	240 0.6×	229 0.7×	29	3.1k
Masami Hayashi Japan	30	1.5k 0.7×	387 0.3×	775 1.6×	303 0.7×	437 1.3×	128	2.7k
Matthias Wabl United States	41	2.7k 1.3×	3.0k 2.3×	499 1.0×	420 1.0×	346 1.1×	127	5.6k

Countries citing papers authored by Masazumi Sameshima

Since Specialization

Citations

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

Fields of papers citing papers by Masazumi Sameshima

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Masazumi Sameshima

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

Morio, Takahiro, Yoko Yamada, Hidekazu Kuwayama, et al.. (2007). Regulation of Ammonia Homeostasis by the Ammonium Transporter AmtA in Dictyostelium discoideum. Eukaryotic Cell. 6(12). 2419–2428. 13 indexed citations

Shirai, Yuki, Narie Sasaki, Yoshiro Kishi, et al.. (2005). Regulation of levels of actin threonine phosphorylation during life cycle of Physarum polycephalum. Cell Motility and the Cytoskeleton. 63(2). 77–87. 5 indexed citations

Escalante, Ricardo, Yoko Yamada, David A. Cotter, Leandro Sastre, & Masazumi Sameshima. (2003). The MADS-box transcription factor SrfA is required for actin cytoskeleton organization and spore coat stability during Dictyostelium sporulation. Mechanisms of Development. 121(1). 51–56. 19 indexed citations

Matsumoto, Ken, Kimio Tanaka, Kazuma Aoki, Masazumi Sameshima, & Masafumi Tsujimoto. (2003). Visualization of the reconstituted FRGY2–mRNA complexes by electron microscopy. Biochemical and Biophysical Research Communications. 306(1). 53–58. 20 indexed citations

Kishi, Yoshiro, Teruko Sugo, Dana C. Mahadeo, David A. Cotter, & Masazumi Sameshima. (2001). S‐Adenosyl‐L‐homocysteine hydrolase is sequestered into actin rods in Dictyostelium discoideum spores. FEBS Letters. 508(3). 433–437. 8 indexed citations

Aizawa, Hiroyuki, Yoshiro Kishi, Kazuko Iida, Masazumi Sameshima, & Ichiro Yahara. (2001). Cofilin‐2, a novel type of cofilin, is expressed specifically at aggregation stage of Dictyostelium discoideum development. Genes to Cells. 6(10). 913–921. 13 indexed citations

Sameshima, Masazumi, Yoshiro Kishi, Masako Osumi, et al.. (2001). The Formation of Actin Rods Composed of Actin Tubules in Dictyostelium discoideum Spores. Journal of Structural Biology. 136(1). 7–19. 24 indexed citations

Cotter, David A., Dana C. Mahadeo, David Cervi, et al.. (2000). Environmental Regulation of Pathways Controlling Sporulation, Dormancy and Germination Utilizes Bacterial-like Signaling Complexes in Dictyostelium discoideum. Protist. 151(2). 111–126. 15 indexed citations

Maruya, Mikako, Masazumi Sameshima, Takayuki Nemoto, & Ichiro Yahara. (1999). Monomer Arrangement in HSP90 Dimer as Determined by Decoration with N and C-Terminal Region Specific Antibodies. Journal of Molecular Biology. 285(3). 903–907. 69 indexed citations

10.

Aizawa, Hiroyuki, et al.. (1999). Hyperosmotic stress‐induced reorganization of actin bundles in Dictyostelium cells over‐expressing cofilin. Genes to Cells. 4(6). 311–324. 63 indexed citations

11.

Kishi, Yoshiro, et al.. (1998). High levels of actin tyrosine phosphorylation: Correlation with the dormant state of Dictyostelium spores. Journal of Cell Science. 111(19). 2923–2932. 1 indexed citations

12.

Aizawa, Hiroyuki, Masazumi Sameshima, & Ichiro Yahara. (1997). A Green Fluorescent Protein-actin Fusion Protein Dominantly Inhibits Cytokinesis, Cell Spreading, and Locomotion in Dictyostelium.. Cell Structure and Function. 22(3). 335–345. 59 indexed citations

13.

Sudha, Thangirala, Hideo Tsuji, Masazumi Sameshima, et al.. (1995). Abnormal integrity of the nucleolus associated with cell cycle arrest owing to the temperature-sensitive ubiquitin-activating enzyme E1. Chromosome Research. 3(2). 115–123. 11 indexed citations

14.

Kishi, Yoshiro, et al.. (1994). Differential Interference Microscopy of Intranuclear Actin Rods in Dictyostelium discoideum Spores.. CYTOLOGIA. 59(4). 453–460. 12 indexed citations

15.

Sameshima, Masazumi. (1993). Disappearance of the Surface Sheath from Dictyostelium discoideum Sorus during Late Culmination.. CYTOLOGIA. 58(4). 361–366. 7 indexed citations

16.

Sameshima, Masazumi. (1984). Preparation of Dictyostelium discoideum for electron microscopy.. Cell Structure and Function. 9(2). 187–192. 7 indexed citations

17.

Sameshima, Masazumi & David Schlessinger. (1981). Effects of Growth State and 3 H Labeling Level on RNA Turnover in WI-38 Fibroblasts and HeLa Cells. Radiation Research. 88(2). 333–333. 5 indexed citations

18.

Saha, Bratin K., et al.. (1981). Lysosomal enzyme activities and RNA turnover rates in growing and nongrowing WI-38 and HeLa cells. In Vitro Cellular & Developmental Biology - Plant. 17(9). 816–824. 5 indexed citations

19.

Kawashima, Kazuko, Masazumi Sameshima, & Mitsuo Izawa. (1979). Isolation of Nucleoli from the Cellular Slime Mold, Dictyostelium discoideum, Strain A-3. Cell Structure and Function. 4(3). 183–191. 6 indexed citations

20.

Sameshima, Masazumi & Mitsuo Izawa. (1975). Properties and synthesis of multiple components in native small ribosomal subunits of mouse ascites tumor cells. Biochimica et Biophysica Acta (BBA) - Nucleic Acids and Protein Synthesis. 378(3). 405–414. 11 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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