J. E. Keen

2.6k total citations · 1 hit paper
19 papers, 2.1k citations indexed

About

J. E. Keen is a scholar working on Ecology, Nature and Landscape Conservation and Aquatic Science. According to data from OpenAlex, J. E. Keen has authored 19 papers receiving a total of 2.1k indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Ecology, 8 papers in Nature and Landscape Conservation and 8 papers in Aquatic Science. Recurrent topics in J. E. Keen's work include Physiological and biochemical adaptations (15 papers), Aquaculture Nutrition and Growth (8 papers) and Fish Ecology and Management Studies (5 papers). J. E. Keen is often cited by papers focused on Physiological and biochemical adaptations (15 papers), Aquaculture Nutrition and Growth (8 papers) and Fish Ecology and Management Studies (5 papers). J. E. Keen collaborates with scholars based in United States, Canada and Germany. J. E. Keen's co-authors include Anthony P. Farrell, John P. Adelman, Chris T. Bond, James Maylie, Glen F. Tibbits, B. Fakler, Gary A. Wayman, Teresa L. Johnson‐Pais, Svetlana Lutsenko and Birgit Hirschberg and has published in prestigious journals such as Nature, Neuron and Journal of Neuroscience.

In The Last Decade

J. E. Keen

19 papers receiving 2.0k 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.

Mechanism of calcium gating in small-conductance calcium-activated potassium channels

1998 731 citations Xuefeng Xia, B. Fakler et al. Nature profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
J. E. Keen United States	17	1.1k	803	731	505	267	19	2.1k
Susanne Holmgren Sweden	35	862 0.8×	975 1.2×	1.8k 2.4×	165 0.3×	277 1.0×	134	3.8k
H. Rahmann Germany	27	1.9k 1.7×	607 0.8×	744 1.0×	74 0.1×	269 1.0×	246	3.5k
Matti Vornanen Finland	35	1.5k 1.4×	2.4k 3.0×	622 0.9×	1.3k 2.5×	613 2.3×	142	3.8k
Harold B. Dowse United States	30	471 0.4×	438 0.5×	1.5k 2.1×	90 0.2×	105 0.4×	69	3.0k
F. Leboulenger France	34	868 0.8×	488 0.6×	1.3k 1.8×	67 0.1×	53 0.2×	113	3.2k
Minoru Uchiyama Japan	29	386 0.4×	436 0.5×	718 1.0×	67 0.1×	130 0.5×	118	2.8k
Ian M. Cooke United States	28	478 0.4×	704 0.9×	1.4k 1.9×	75 0.1×	87 0.3×	66	2.0k
Ernst Florey Germany	35	786 0.7×	638 0.8×	2.2k 3.0×	35 0.1×	65 0.2×	98	3.3k
E B Ridgway United States	22	1.8k 1.6×	151 0.2×	1.6k 2.1×	410 0.8×	23 0.1×	29	3.1k
Toru Kobayashi Japan	25	1.2k 1.1×	77 0.1×	1.1k 1.4×	252 0.5×	162 0.6×	85	2.3k

Countries citing papers authored by J. E. Keen

Since Specialization

Citations

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

Fields of papers citing papers by J. E. Keen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J. E. Keen. 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 J. E. Keen. The network helps show where J. E. Keen may publish in the future.

Co-authorship network of co-authors of J. E. Keen

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

All Works

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19 of 19 papers shown

Tzounopoulos, Thanos, María E. Rubio, J. E. Keen, & Laurence O. Trussell. (2007). Coactivation of Pre- and Postsynaptic Signaling Mechanisms Determines Cell-Specific Spike-Timing-Dependent Plasticity. Neuron. 54(2). 291–301. 168 indexed citations

Farrell, Anthony P., et al.. (2001). Release of atrial natriuretic factor prohormone peptides 1-30, 31-67 and 99-126 from freshwater- and seawater-acclimated perfused trout (Oncorhynchus mykiss) hearts. Journal of Experimental Biology. 204(17). 3113–3113. 10 indexed citations

Hofmann, Gretchen E., Bradley A. Buckley, Susanna Airaksinen, J. E. Keen, & George N. Somero. (2000). Heat-Shock Protein Expression is Absent in the Antarctic Fish Trematomus Bernacchii (Family Nototheniidae). Journal of Experimental Biology. 203(15). 2331–2339. 253 indexed citations

Keen, J. E., David Farrens, Torben R. Neelands, et al.. (1999). Domains Responsible for Constitutive and Ca²⁺-Dependent Interactions between Calmodulin and Small Conductance Ca²⁺-Activated Potassium Channels. Journal of Neuroscience. 19(20). 8830–8838. 193 indexed citations

Xia, Xuefeng, B. Fakler, Gary A. Wayman, et al.. (1998). Mechanism of calcium gating in small-conductance calcium-activated potassium channels. Nature. 395(6701). 503–507. 731 indexed citations breakdown →

Morrissette, Jeffery M., et al.. (1998). Cloning and characterization of fiber type-specific ryanodine receptor isoforms in skeletal muscles of fish. American Journal of Physiology-Cell Physiology. 275(2). C401–C415. 39 indexed citations

Olson, Kenneth R., Daniel J. Conklin, Anthony P. Farrell, et al.. (1997). Effects of natriuretic peptides and nitroprusside on venous function in trout. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology. 273(2). R527–R539. 70 indexed citations

Farrell, Anthony P., et al.. (1997). Release of Atrial Natriuretic Factor Prohormone Peptides 1-30, 31-67 And 99-126 From Freshwater- and Seawater-Acclimated Perfused Trout (Oncorhynchus Mykiss) Hearts. Journal of Experimental Biology. 200(9). 1351–1362. 13 indexed citations

Block, Barbara A., J. E. Keen, Bernard F. Castillo, et al.. (1997). Environmental preferences of yellowfin tuna ( Thunnus albacares ) at the northern extent of its range. Marine Biology. 130(1). 119–132. 148 indexed citations

10.

Keen, J. E., et al.. (1995). Cholinergic and adrenergic regulation of heart rate and ventral aortic pressure in two species of tropical tunas,Katsuwonus pelamisandThunnus albacares. Canadian Journal of Zoology. 73(9). 1681–1688. 25 indexed citations

11.

Keen, J. E. & Anthony P. Farrell. (1994). Maximum prolonged swimming speed and maximum cardiac performance of rainbow trout, Oncorhynchus mykiss, acclimated to two different water temperatures. Comparative Biochemistry and Physiology Part A Physiology. 108(2-3). 287–295. 70 indexed citations

12.

Olson, Kenneth R., et al.. (1994). Localization Of Angiotensin Ii Responses In The Trout Cardiovascular System. Journal of Experimental Biology. 194(1). 117–138. 35 indexed citations

13.

Keen, J. E., et al.. (1994). Effect of temperature and temperature acclimation on the ryanodine sensitivity of the trout myocardium. Journal of Comparative Physiology B. 164(6). 438–443. 83 indexed citations

14.

Keen, J. E., et al.. (1993). Thermal Acclimation Alters Both Adrenergic Sensitivity and Adrenoceptor Density in Cardiac Tissue of Rainbow Trout. Journal of Experimental Biology. 181(1). 27–48. 94 indexed citations

15.

Keen, J. E., A. P. Farrell, Glen F. Tibbits, & Richard W. Brill. (1992). Cardiac physiology in tunas. II. Effect of ryanodine, calcium, and adrenaline on force–frequency relationships in atrial strips from skipjack tuna, Katsuwonus pelamis. Canadian Journal of Zoology. 70(6). 1211–1217. 68 indexed citations

16.

Arthur, Peter G., J. E. Keen, P. W. Hochachka, & Anthony P. Farrell. (1992). Metabolic state of the in situ perfused trout heart during severe hypoxia. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology. 263(4). R798–R804. 33 indexed citations

17.

Tibbits, Glen F., et al.. (1990). Ca2+ transport in myocardial sarcolemma from rainbow trout. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology. 259(3). R453–R460. 23 indexed citations

18.

Keen, J. E., Andrew M. Steele, & A. H. Houston. (1989). The circulating erythrocytes of rainbow trout (Salmo gairdneri). Comparative Biochemistry and Physiology Part A Physiology. 94(4). 699–711. 40 indexed citations

19.

Houston, A. H. & J. E. Keen. (1984). Cadmium Inhibition of Erythropoiesis in Goldfish,Carassius auratus. Canadian Journal of Fisheries and Aquatic Sciences. 41(12). 1829–1834. 27 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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