Jan S. Tkacz

3.4k total citations · 1 hit paper
38 papers, 2.8k citations indexed

About

Jan S. Tkacz is a scholar working on Molecular Biology, Organic Chemistry and Plant Science. According to data from OpenAlex, Jan S. Tkacz has authored 38 papers receiving a total of 2.8k indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Molecular Biology, 12 papers in Organic Chemistry and 12 papers in Plant Science. Recurrent topics in Jan S. Tkacz's work include Microbial Natural Products and Biosynthesis (10 papers), Glycosylation and Glycoproteins Research (7 papers) and Carbohydrate Chemistry and Synthesis (7 papers). Jan S. Tkacz is often cited by papers focused on Microbial Natural Products and Biosynthesis (10 papers), Glycosylation and Glycoproteins Research (7 papers) and Carbohydrate Chemistry and Synthesis (7 papers). Jan S. Tkacz collaborates with scholars based in United States, New Zealand and Spain. Jan S. Tkacz's co-authors include J. O. Lampen, Annetté Herscovics, Lene Lange, Andrea Quaroni, R.A. Giacobbe, Richard L. Monaghan, Vivian L. MacKay, Hiromitsu Onishi, Sheo B. Singh and Otto D. Hensens and has published in prestigious journals such as Journal of the American Chemical Society, Journal of Biological Chemistry and The Journal of Cell Biology.

In The Last Decade

Jan S. Tkacz

37 papers receiving 2.5k citations

Hit Papers

Tunicamycin inhibition of polyisoprenyl N-acetylglucosami... 1975 2026 1992 2009 1975 250 500 750
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. Tunicamycin inhibition of polyisoprenyl N-acetylglucosaminyl pyrophosphate formation in calf-liver microsomes
    1975 758 citations Jan S. Tkacz, J. O. Lampen Biochemical and Biophysical Research Communications profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Jan S. Tkacz United States 27 1.7k 562 519 475 472 38 2.8k
Tokichi Miyakawa Japan 36 2.9k 1.7× 153 0.3× 474 0.9× 358 0.8× 678 1.4× 138 3.7k
Héctor N. Torres Argentina 33 1.9k 1.1× 299 0.5× 369 0.7× 219 0.5× 489 1.0× 112 3.2k
José L. Reissig United States 12 1.7k 1.0× 445 0.8× 510 1.0× 170 0.4× 673 1.4× 18 2.7k
Yunge Li Canada 24 2.0k 1.2× 335 0.6× 589 1.1× 149 0.3× 155 0.3× 37 2.6k
Christopher T. Walsh United States 26 1.6k 0.9× 371 0.7× 97 0.2× 616 1.3× 220 0.5× 32 2.7k
Huawei Chen United States 32 2.1k 1.2× 395 0.7× 226 0.4× 810 1.7× 161 0.3× 81 2.9k
Christine Bulawa United States 25 2.5k 1.4× 211 0.4× 468 0.9× 155 0.3× 753 1.6× 35 3.2k
Piotr Bobrowicz United States 17 1.7k 1.0× 216 0.4× 187 0.4× 134 0.3× 339 0.7× 19 2.1k
Yi‐Qiang Cheng United States 31 1.8k 1.0× 404 0.7× 157 0.3× 1.1k 2.2× 397 0.8× 72 2.8k
Saburo Hara Japan 29 1.5k 0.9× 196 0.3× 266 0.5× 122 0.3× 495 1.0× 107 2.7k

Countries citing papers authored by Jan S. Tkacz

Since Specialization
Citations

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

Fields of papers citing papers by Jan S. Tkacz

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Jan S. Tkacz. 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 Jan S. Tkacz. The network helps show where Jan S. Tkacz may publish in the future.

Co-authorship network of co-authors of Jan S. Tkacz

This figure shows the co-authorship network connecting the top 25 collaborators of Jan S. Tkacz. A scholar is included among the top collaborators of Jan S. Tkacz 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 Jan S. Tkacz. Jan S. Tkacz 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.
Lü, Ping, Lucas Dennis, Yang Xia, et al.. (2005). A gene (pks2) encoding a putative 6-methylsalicylic acid synthase from Glarea lozoyensis. Molecular Genetics and Genomics. 273(2). 207–216. 23 indexed citations
2.
Singh, Sheo B., John G. Ondeyka, Hiranthi Jayasuriya, et al.. (2004). Nodulisporic Acids D−F:  Structure, Biological Activities, and Biogenetic Relationships. Journal of Natural Products. 67(9). 1496–1506. 50 indexed citations
3.
Carr, Russell L., Carolyn A. Young, Jonathan W. Astin, et al.. (2003). Molecular analysis of two cytochrome P450 monooxygenase genes required for paxilline biosynthesis in Penicillium paxilli, and effects of paxilline intermediates on mammalian maxi-K ion channels. Molecular Genetics and Genomics. 270(1). 9–23. 44 indexed citations
4.
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Ondeyka, John G., Jan S. Tkacz, Deborah L. Zink, et al.. (2002). Nodulisporic acid B, B1, and B2: a series of 1′-deoxy-nodulisporic acids from Nodulisporium sp.. Bioorganic & Medicinal Chemistry Letters. 12(20). 2941–2944. 18 indexed citations
6.
Tkacz, Jan S.. (2001). Antifungals: what's in the pipeline. Current Opinion in Microbiology. 4(5). 540–545. 38 indexed citations
7.
Losada, Maria C, et al.. (1999). A melanin polyketide synthase (PKS) gene from Nodulisporium sp. that shows homology to the pks1 gene of Colletotrichum lagenarium. Molecular and General Genetics MGG. 262(4-5). 714–720. 38 indexed citations
8.
Tsipouras, Athanasios, Jan S. Tkacz, Easter G. Frazier, et al.. (1996). Ophiobolin M and analogues, noncompetitive inhibitors of ivermectin binding with nematocidal activity. Bioorganic & Medicinal Chemistry. 4(4). 531–536. 39 indexed citations
9.
Goetz, Michael, Gerald F. Bills, R.A. Giacobbe, et al.. (1996). Discovery of an Angiotensin II Binding Inhibitor from a Cytospora sp. Using Semi-automated Screening Procedures.. The Journal of Antibiotics. 49(2). 119–123. 14 indexed citations
10.
Tkacz, Jan S., R.A. Giacobbe, & Richard L. Monaghan. (1993). Improvement in the titer of echinocandin-type antibiotics: A magnesium-limited medium supporting the biphasic production of pneumocandins A0 and B0. Journal of Industrial Microbiology & Biotechnology. 11(2). 95–103. 31 indexed citations
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Kedersha, Nancy, Jan S. Tkacz, & Richard A. Berg. (1985). Biosynthesis of prolyl hydroxylase: evidence for two separate dolichol-mediated pathways of glycosylation. Biochemistry. 24(21). 5960–5967. 21 indexed citations
14.
Tkacz, Jan S., et al.. (1982). Inhibition of N-linked complex oligosaccharide formation by 1-deoxynojirimycin, an inhibitor of processing glucosidases.. Journal of Biological Chemistry. 257(23). 14155–14161. 254 indexed citations
15.
Mizunaga, Takemitsu, et al.. (1981). Temperature-Sensitive Forms of Large and Small Invertase in a Mutant Derived from a SUC1 Strain of Saccharomyces cerevisiae. Molecular and Cellular Biology. 1(5). 460–468. 1 indexed citations
16.
Tkacz, Jan S. & J. O. Lampen. (1975). Tunicamycin inhibition of polyisoprenyl N-acetylglucosaminyl pyrophosphate formation in calf-liver microsomes. Biochemical and Biophysical Research Communications. 65(1). 248–257. 758 indexed citations breakdown →
17.
Tkacz, Jan S., Annetté Herscovics, Christopher D. Warren, & Roger W. Jeanloz. (1974). Mannosyltransferase Activity in Calf Pancreas Microsomes. Journal of Biological Chemistry. 249(20). 6372–6381. 76 indexed citations
18.
Tkacz, Jan S. & J. O. Lampen. (1973). Surface Distribution of Invertase on Growing Saccharomyces Cells. Journal of Bacteriology. 113(2). 1073–1075. 56 indexed citations
19.
Tkacz, Jan S., J. O. Lampen, & Conrad Schuerch. (1972). Stereoregularity of chemically synthesized (1→6)-α-d-mannopyranan as revealed by enzymic degradation with arthrobacter α-d-mannanase. Carbohydrate Research. 21(3). 465–472. 10 indexed citations
20.
Tkacz, Jan S., et al.. (1971). Specific Staining of Wall Mannan in Yeast Cells with Fluorescein-Conjugated Concanavalin A. Journal of Bacteriology. 105(1). 1–5. 90 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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