Keith Schappert

3.2k total citations · 1 hit paper
32 papers, 2.6k citations indexed

About

Keith Schappert is a scholar working on Molecular Biology, Plant Science and Physiology. According to data from OpenAlex, Keith Schappert has authored 32 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Molecular Biology, 7 papers in Plant Science and 4 papers in Physiology. Recurrent topics in Keith Schappert's work include Fungal and yeast genetics research (10 papers), Mycotoxins in Agriculture and Food (6 papers) and Mitochondrial Function and Pathology (5 papers). Keith Schappert is often cited by papers focused on Fungal and yeast genetics research (10 papers), Mycotoxins in Agriculture and Food (6 papers) and Mitochondrial Function and Pathology (5 papers). Keith Schappert collaborates with scholars based in Canada, United States and United Kingdom. Keith Schappert's co-authors include Philip A. Marsden, Henry H. Heng, Anne V. Hall, Stephen W. Scherer, Robert Stewart, X.-M. Shi, L.-C. Tsui, James D. Friesen, George G. Khachatourians and Cynthia L. Sundell and has published in prestigious journals such as Nature, Nucleic Acids Research and Journal of Biological Chemistry.

In The Last Decade

Keith Schappert

32 papers receiving 2.6k 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.

Structure and chromosomal localization of the human constitutive endothelial nitric oxide synthase gene

1993 717 citations Philip A. Marsden, Henry H. Heng et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Keith Schappert Canada	23	1.4k	921	647	375	241	32	2.6k
Subroto Chatterjee United States	32	2.0k 1.5×	669 0.7×	237 0.4×	680 1.8×	170 0.7×	93	3.3k
Jianxin Sun United States	33	1.8k 1.3×	486 0.5×	374 0.6×	767 2.0×	195 0.8×	75	3.5k
Thierry Grand‐Perret France	14	2.2k 1.6×	372 0.4×	227 0.4×	311 0.8×	146 0.6×	20	3.5k
Kazutoyo Terada Japan	32	1.8k 1.4×	353 0.4×	298 0.5×	232 0.6×	214 0.9×	66	2.8k
Y Matsuda Japan	25	1.9k 1.4×	493 0.5×	690 1.1×	334 0.9×	46 0.2×	39	3.2k
Bert Binas South Korea	24	1.5k 1.1×	520 0.6×	192 0.3×	216 0.6×	166 0.7×	67	2.3k
Ben C. Tilly Netherlands	27	1.9k 1.4×	429 0.5×	168 0.3×	325 0.9×	100 0.4×	47	2.9k
Lisa M. Ballou United States	32	2.5k 1.8×	282 0.3×	528 0.8×	253 0.7×	79 0.3×	53	3.5k
Alfonso Mora Spain	20	1.4k 1.0×	525 0.6×	170 0.3×	247 0.7×	111 0.5×	34	2.5k
Christine Esau United States	29	5.9k 4.3×	817 0.9×	239 0.4×	764 2.0×	254 1.1×	39	8.3k

Countries citing papers authored by Keith Schappert

Since Specialization

Citations

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

Fields of papers citing papers by Keith Schappert

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Keith Schappert

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

Wiebusch, Heiko, et al.. (1999). Further evidence for a synergistic association between APOE ?4 and BCHE -K in confirmed Alzheimer's disease. Human Genetics. 104(2). 158–163. 64 indexed citations

Hu, Jim, Deming Xu, Keith Schappert, Yan Xu, & James D. Friesen. (1995). Mutational Analysis of Saccharomyces cerevisiae U4 Small Nuclear RNA Identifies Functionally Important Domains. Molecular and Cellular Biology. 15(3). 1274–1285. 22 indexed citations

Zielenski, Julian, D. Markiewicz, Keith Schappert, et al.. (1995). Identification of six mutations (R31L, 441delA, 681delC, 1461ins4, W1089R, E1104X) in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. Human Mutation. 5(1). 43–47. 16 indexed citations

Hu, Jim, Yan Xu, Keith Schappert, et al.. (1994). Mutational analysis of the PRP4 protein ofSaccharomyces cerevisiaesuggests domain structure and snRNP interactions. Nucleic Acids Research. 22(9). 1724–1734. 22 indexed citations

Roux, Anne‐Françoise, et al.. (1994). Identification of a gene from Xp21 with similarity to the tctex-1 gene of the murine t complex. Human Molecular Genetics. 3(2). 257–263. 51 indexed citations

Goldberg, Y. Paul, Susan E. Andrew, Gordon B. Hutchinson, et al.. (1993). Identification of an Alu retrotransposition event in close proximity to a strong candidate gene for Huntington's disease. Nature. 362(6418). 370–373. 41 indexed citations

Ali, Sohail T., Alessandra M.V. Duncan, Keith Schappert, et al.. (1993). Chromosomal Localization of the Human Gene Encoding the 51-kDa Subunit of Mitochondrial Complex I (NDUFV1) to 11q13. Genomics. 18(2). 435–439. 27 indexed citations

Wang, Shupei, Joseph H. Nadeau, Alessandra M.V. Duncan, et al.. (1993). 3-Hydroxy-3-methylglutaryl coenzyme A lyase (HL): cloning and characterization of a mouse liver HL cDNA and subchromosomal mapping of the human and mouse HL genes. Mammalian Genome. 4(7). 382–387. 28 indexed citations

Zhang, Yilin, Vijay K. Khanna, Stella de Leon, et al.. (1993). A mutation in the human ryanodine receptor gene associated with central core disease. Nature Genetics. 5(1). 46–50. 250 indexed citations

10.

Bascom, R.A., Keith Schappert, & Roderick R. Mclnnes. (1993). Cloning of the human and murine ROM1 genes: genomic organization and sequence conservation. Human Molecular Genetics. 2(4). 385–391. 30 indexed citations

11.

Rommens, Johanna M., Gordon B. Hutchinson, Susan E. Andrew, et al.. (1993). A transcription map of the region containing the Huntington disease gene. Human Molecular Genetics. 2(7). 901–907. 31 indexed citations

12.

Federsppiel, B. S. Soler, Ian G. Melhado, Alessandra M.V. Duncan, et al.. (1993). Molecular Cloning of the cDNA and Chromosomal Localization of the Gene for a Putative Seven-Transmembrane Segment (7-TMS) Receptor Isolated from Human Spleen. Genomics. 16(3). 707–712. 169 indexed citations

13.

Goldberg, Y. Paul, Biaoyang Lin, Susan E. Andrew, et al.. (1992). Cloning and mapping of the -adducin gene close to D4S95 and assessment of its relationship to Huntington disease. Human Molecular Genetics. 1(9). 669–675. 20 indexed citations

14.

Marsden, Philip A., Keith Schappert, Michele Flowers, et al.. (1992). Molecular cloning and characterization of human endothelial nitric oxide synthase. FEBS Letters. 307(3). 287–293. 400 indexed citations

15.

Pownall, Scott, Christine A. Kozak, Keith Schappert, et al.. (1992). Molecular cloning and characterization of the mouse UDP-N-acetylglucosamine:α-3-d-mannoside β-1,2-N-acetylglucosaminyltransferase I gene. Genomics. 12(4). 699–704. 52 indexed citations

16.

Collins, Colin C., Keith Schappert, & Michael R. Hayden. (1992). The genomic organization of a novel regulatory myosin light chain gene (MYL5) that maps to chromosome 4p16.3 and shows different patterns of expression between primates.. PubMed. 1(9). 727–33. 23 indexed citations

17.

Schappert, Keith & James D. Friesen. (1991). Genetic studies of the PRP11 izene of Saccharomyces cerevisiae. Molecular and General Genetics MGG. 226-226(1-2). 277–282. 11 indexed citations

18.

Weber, Bernhard H. F., Olaf Rieß, Gordon B. Hutchinson, et al.. (1991). Genomic organization and complete sequence of the human gene encoding the β-subunit of the cGMP phosphodiesterase and its localisation to 4p16.3. Nucleic Acids Research. 19(22). 6263–6268. 46 indexed citations

19.

Schappert, Keith & George G. Khachatourians. (1986). Effects of T-2 toxin on induction of petite mutants and mitochondrial function in Saccharomyces cerevisiae. Current Genetics. 10(9). 671–676. 6 indexed citations

20.

Schappert, Keith & George G. Khachatourians. (1983). Effects of Fusariotoxin T-2 on Saccharomyces cerevisiae and Saccharomyces carlsbergensis. Applied and Environmental Microbiology. 45(3). 862–867. 32 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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