J. D. Karam

1.1k total citations · 1 hit paper
25 papers, 989 citations indexed

About

J. D. Karam is a scholar working on Molecular Biology, Ecology and Genetics. According to data from OpenAlex, J. D. Karam has authored 25 papers receiving a total of 989 indexed citations (citations by other indexed papers that have themselves been cited), including 20 papers in Molecular Biology, 18 papers in Ecology and 12 papers in Genetics. Recurrent topics in J. D. Karam's work include Bacteriophages and microbial interactions (18 papers), RNA and protein synthesis mechanisms (15 papers) and Bacterial Genetics and Biotechnology (11 papers). J. D. Karam is often cited by papers focused on Bacteriophages and microbial interactions (18 papers), RNA and protein synthesis mechanisms (15 papers) and Bacterial Genetics and Biotechnology (11 papers). J. D. Karam collaborates with scholars based in United States, Poland and Germany. J. D. Karam's co-authors include William H. Konigsberg, Abdul Sattar, Thomas A. Steitz, Tien Hsu, Eleanor K. Spicer, A. John Rush, Linda J. Reha-Krantz, Paul V. O’Donnell, Larry Gold and Mark Andrake and has published in prestigious journals such as Cell, Proceedings of the National Academy of Sciences and Journal of Biological Chemistry.

In The Last Decade

J. D. Karam

25 papers receiving 927 citations

Hit Papers

Crystal Structure of a pol α Family Replication DNA Polym... 1997 2026 2006 2016 1997 100 200 300
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. Crystal Structure of a pol α Family Replication DNA Polymerase from Bacteriophage RB69
    1997 368 citations Abdul Sattar, J. D. Karam et al. Cell profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
J. D. Karam United States 16 818 422 400 86 77 25 989
Larry Snyder United States 18 820 1.0× 435 1.0× 554 1.4× 27 0.3× 33 0.4× 28 983
Mervyn G. Smith New Zealand 10 499 0.6× 355 0.8× 260 0.7× 62 0.7× 65 0.8× 14 661
Gabriel Kaufmann Israel 26 1.7k 2.1× 461 1.1× 488 1.2× 61 0.7× 47 0.6× 59 2.0k
S Gillam Canada 18 616 0.8× 247 0.6× 113 0.3× 179 2.1× 76 1.0× 24 930
B.Sayeeda Zain United States 14 847 1.0× 423 1.0× 438 1.1× 77 0.9× 55 0.7× 18 1.3k
Jack G. Chirikjian United States 18 726 0.9× 259 0.6× 101 0.3× 132 1.5× 28 0.4× 47 930
Glen A. Coburn Canada 12 1.1k 1.4× 556 1.3× 201 0.5× 81 0.9× 69 0.9× 14 1.3k
Susan C. Milburn United States 10 1.3k 1.6× 191 0.5× 56 0.1× 52 0.6× 169 2.2× 12 1.6k
M.L. Celma United States 8 708 0.9× 353 0.8× 350 0.9× 70 0.8× 105 1.4× 8 1.2k
J.L. Nichols Canada 17 663 0.8× 124 0.3× 159 0.4× 34 0.4× 75 1.0× 36 769

Countries citing papers authored by J. D. Karam

Since Specialization
Citations

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

Fields of papers citing papers by J. D. Karam

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of J. D. Karam

This figure shows the co-authorship network connecting the top 25 collaborators of J. D. Karam. A scholar is included among the top collaborators of J. D. Karam 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. D. Karam. J. D. Karam 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.
Scipioni, Lorenzo, et al.. (2024). Organelle phenotyping and multi‐dimensional microscopy identify C1q as a novel regulator of microglial function. Journal of Neurochemistry. 168(9). 3095–3107. 1 indexed citations
2.
Eckhold, Juliane, Beatriz Puisac, Andreas Dalski, et al.. (2014). Functional Characterization of NIPBL Physiological Splice Variants and Eight Splicing Mutations in Patients with Cornelia de Lange Syndrome. International Journal of Molecular Sciences. 15(6). 10350–10364. 18 indexed citations
3.
Петров, В. М. & J. D. Karam. (2004). Diversity of structure and function of DNA polymerase (gp43) of T4-related bacteriophages. Biochemistry (Moscow). 69(11). 1213–1218. 11 indexed citations
4.
Yang, Guangwei, Tai‐Shun Lin, J. D. Karam, & William H. Konigsberg. (1999). Steady-State Kinetic Characterization of RB69 DNA Polymerase Mutants Τhat Affect dNTP Incorporation. Biochemistry. 38(25). 8094–8101. 36 indexed citations
5.
Sattar, Abdul, et al.. (1997). Crystal Structure of a pol α Family Replication DNA Polymerase from Bacteriophage RB69. Cell. 89(7). 1087–1099. 368 indexed citations breakdown →
6.
Pavlov, Andrey R. & J. D. Karam. (1994). Binding specificity of T4 DNA polymerase to RNA.. Journal of Biological Chemistry. 269(17). 12968–12972. 16 indexed citations
7.
Andrake, Mark & J. D. Karam. (1991). Mutational analysis of the mRNA operator for T4 DNA polymerase.. Genetics. 128(2). 203–213. 16 indexed citations
8.
Liang, Yan, et al.. (1988). Autogenous regulation of the regA gene of bacteriophage T4: derepression of translation.. Genetics. 119(4). 743–749. 7 indexed citations
9.
Andrake, Mark, et al.. (1988). DNA polymerase of bacteriophage T4 is an autogenous translational repressor.. Proceedings of the National Academy of Sciences. 85(21). 7942–7946. 52 indexed citations
10.
Hsu, Tien, et al.. (1987). Identification of two new bacteriophage T4 genes that may have roles in transcription and DNA replication. Journal of Virology. 61(2). 366–374. 27 indexed citations
11.
Gerald, William L. & J. D. Karam. (1984). EXPRESSION OF A DNA REPLICATION GENE CLUSTER IN BACTERIOPHAGE T4: GENETIC LINKAGE AND THE CONTROL OF GENE PRODUCT INTERACTIONS. Genetics. 107(4). 537–549. 7 indexed citations
12.
13.
Kidoguchi, K., et al.. (1978). Synthesis of Fetal and Adult Hemoglobins in Culture by Human Umbilical Cord Blood Erythropoietic Precursors. Hemoglobin. 2(6). 503–512. 19 indexed citations
14.
Karam, J. D., et al.. (1975). Analysis of expression of the rII gene function of bacteriophage T4. Journal of Virology. 16(4). 974–981. 5 indexed citations
15.
Karam, J. D., et al.. (1974). Mutation to Overproduction of Bacteriophage T4 Gene Products. Journal of Virology. 13(2). 428–438. 55 indexed citations
16.
O’Donnell, Paul V. & J. D. Karam. (1972). On the Direction of Reading of Bacteriophage T4 Gene 43 (Deoxyribonucleic Acid Polymerase). Journal of Virology. 9(6). 990–998. 11 indexed citations
17.
Karam, J. D., et al.. (1971). Properties of Bacteriophage T4 Mutants Defective in Gene 30 (Deoxyribonucleic Acid Ligase) and the rII Gene. Journal of Virology. 7(2). 260–266. 23 indexed citations
18.
Karam, J. D. & Joseph F. Speyer. (1970). Reversible inactivation of T4 ts DNA polymerase mutants in vivo. Virology. 42(1). 196–203. 15 indexed citations
19.
Karam, J. D.. (1969). DNA replication by phage T4 rII mutants without polynucleotide ligase (gene 30). Biochemical and Biophysical Research Communications. 37(3). 416–422. 51 indexed citations
20.
Glassman, Edward, J. D. Karam, & E. Keller. (1962). Differential response to gene dosage experiments involving the two loci which control xanthine dehydrogenase ofDrosophila melanogaster. Molecular Genetics and Genomics. 93(3). 399–403. 17 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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