Jacques Berger

2.0k total citations · 1 hit paper
57 papers, 1.6k citations indexed

About

Jacques Berger is a scholar working on Molecular Biology, Oceanography and Ecology. According to data from OpenAlex, Jacques Berger has authored 57 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 31 papers in Molecular Biology, 19 papers in Oceanography and 17 papers in Ecology. Recurrent topics in Jacques Berger's work include Protist diversity and phylogeny (25 papers), Microbial Community Ecology and Physiology (11 papers) and Marine Biology and Ecology Research (10 papers). Jacques Berger is often cited by papers focused on Protist diversity and phylogeny (25 papers), Microbial Community Ecology and Physiology (11 papers) and Marine Biology and Ecology Research (10 papers). Jacques Berger collaborates with scholars based in Canada, United States and Germany. Jacques Berger's co-authors include John O. Corliss, Andrew Rogerson, William D. Taylor, Michael A. Gates, Earl D. Hanson, Denis H. Lynn, Peter R. Galle, Allen G. Marr, D. F. Mettrick and Keith Jackson and has published in prestigious journals such as Chemosphere, Journal of Nutrition and Oecologia.

In The Last Decade

Jacques Berger

56 papers receiving 1.4k citations

Hit Papers

The Ciliated Protozoa: Characterization, Classification, ... 1979 2026 1994 2010 1979 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. The Ciliated Protozoa: Characterization, Classification, and Guide to the Literature
    1979 749 citations Jacques Berger et al. Transactions of the American Microscopical Society profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Jacques Berger Canada 19 1.0k 984 505 400 89 57 1.6k
Dag Klaveness Norway 26 1.2k 1.2× 1.1k 1.1× 656 1.3× 356 0.9× 52 0.6× 47 1.9k
Stephen C. Roemer United States 12 631 0.6× 197 0.2× 456 0.9× 408 1.0× 90 1.0× 20 1.4k
Christian Amblard France 29 1.6k 1.6× 679 0.7× 691 1.4× 690 1.7× 124 1.4× 74 2.4k
E. C. Roberts United Kingdom 22 817 0.8× 411 0.4× 730 1.4× 228 0.6× 67 0.8× 37 1.6k
Thomas H. Chrzanowski United States 22 1.2k 1.2× 354 0.4× 1.0k 2.1× 863 2.2× 114 1.3× 52 2.2k
Sandra A. Nierzwicki‐Bauer United States 23 952 0.9× 907 0.9× 221 0.4× 294 0.7× 179 2.0× 65 1.8k
Hilda M. Canter United Kingdom 18 560 0.5× 530 0.5× 291 0.6× 336 0.8× 28 0.3× 47 1.0k
Liti Haramaty United States 20 1.1k 1.1× 612 0.6× 675 1.3× 296 0.7× 59 0.7× 33 1.9k
Svein Norland Norway 16 800 0.8× 276 0.3× 502 1.0× 220 0.6× 124 1.4× 26 1.2k
H. Peter Eilers Germany 8 1.1k 1.1× 532 0.5× 495 1.0× 365 0.9× 185 2.1× 16 1.4k

Countries citing papers authored by Jacques Berger

Since Specialization
Citations

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

Fields of papers citing papers by Jacques Berger

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Jacques Berger

This figure shows the co-authorship network connecting the top 25 collaborators of Jacques Berger. A scholar is included among the top collaborators of Jacques Berger 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 Jacques Berger. Jacques Berger 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.
Berger, Jacques. (1992). John O. Corliss--ciliatologist extraordinaire.. PubMed. 39(1). 1–3. 1 indexed citations
2.
Faïd, M., et al.. (1990). Antimicrobial factors in traditional Moroccan smen: Aw, pH, acidity and free fatty acids.. Sciences des Aliments. 10(3). 659–670. 5 indexed citations
3.
Faïd, M., et al.. (1989). Experimental processing of Moroccan smen, application of lipases. 7(4). 407–411. 1 indexed citations
4.
Berger, Jacques & Barbara O. Schneeman. (1988). Intestinal Zinc and Carboxypeptidase A and B Activity in Response to Consumption of Test Meals Containing Various Proteins by Rats. Journal of Nutrition. 118(6). 723–728. 4 indexed citations
5.
Berger, Jacques & Barbara O. Schneeman. (1986). Stimulation of Bile-Pancreatic Zinc, Protein and Carboxypeptidase Secretion in Response to Various Proteins in the Rat. Journal of Nutrition. 116(2). 265–272. 21 indexed citations
6.
Jackson, Keith & Jacques Berger. (1984). Survival of ciliate protozoa under starvation conditions and at low bacterial levels. Microbial Ecology. 10(1). 47–59. 24 indexed citations
7.
Rogerson, Andrew, et al.. (1983). A New Species of Fresh-Water Amoeba: Amoeba algonquinensis n. sp. (Gymnamoebia: Amoebidae). Transactions of the American Microscopical Society. 102(2). 113–113. 7 indexed citations
8.
Rogerson, Andrew & Jacques Berger. (1983). Enhancement of the microbial degradation of crude oil by the ciliate Colpidium colpoda.. The Journal of General and Applied Microbiology. 29(1). 41–50. 27 indexed citations
9.
Rogerson, Andrew, et al.. (1982). Further studies on respiratory rates of freshwater amoebae (Rhizopoda, Gymnamoebia). Microbial Ecology. 8(1). 55–60. 12 indexed citations
10.
Gates, Michael A., Andrew Rogerson, & Jacques Berger. (1982). Dry to wet weight biomass conversion constant for Tetrahymena elliotti (Ciliophora, Protozoa). Oecologia. 55(2). 145–148. 50 indexed citations
11.
Rogerson, Andrew & Jacques Berger. (1981). The toxicity of the dispersant Corexit 9527 and oil-dispersant mixtures to ciliate protozoa. Chemosphere. 10(1). 33–39. 16 indexed citations
12.
Solomon, Monica Charlotte, et al.. (1981). A microscopic focus of calcifying epithelial odontogenic tumor arising in an operculum: an incidental finding.. PubMed. 39(6). 454–6. 5 indexed citations
13.
Taylor, William D. & Jacques Berger. (1980). Microspatial heterogeneity in the distribution of ciliates in a small pond. Microbial Ecology. 6(1). 27–34. 35 indexed citations
14.
Gates, Michael A. & Jacques Berger. (1976). Morphometric Inseparability of Paramecium primaurelia and P. pentaurelia. Transactions of the American Microscopical Society. 95(3). 507–507. 13 indexed citations
15.
Taylor, William D., Michael A. Gates, & Jacques Berger. (1976). Morphological changes during the growth cycle of axenic and monoxenic Tetrahymena pyriformis. Canadian Journal of Zoology. 54(11). 2011–2018. 14 indexed citations
16.
Taylor, William D. & Jacques Berger. (1976). Growth of Colpidium campylum in monoxenic batch culture. Canadian Journal of Zoology. 54(3). 392–398. 21 indexed citations
17.
Lynn, Denis H. & Jacques Berger. (1973). The Thyrophylacidae, a Family of Carnivorous Philasterine Ciliates Entocommensal in Strongylocentrotid Echinoids. Transactions of the American Microscopical Society. 92(4). 533–533. 14 indexed citations
18.
Berger, Jacques & Peter R. Galle. (1963). [DENSE DEPOSITS WITHIN THE BASAL MEMBRANES OF THE KIDNEY. OPTICAL AND ELECTRON MICROSCOPIC STUDY].. PubMed. 71. 2351–4. 46 indexed citations
19.
Berger, Jacques & Allen G. Marr. (1960). Sonic Disruption of Spores of Bacillus cereus. Journal of General Microbiology. 22(1). 147–157. 39 indexed citations
20.
Berger, Jacques, et al.. (1960). A Redescription of Cyclidium glaucoma O.F.M., 1786 (Ciliata:Hymenostomatida), with Particular Attention to the Buccal Apparatus*. The Journal of Protozoology. 7(3). 256–262. 19 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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