Ashty S. Karim

4.4k total citations · 2 hit papers
44 papers, 2.6k citations indexed

About

Ashty S. Karim is a scholar working on Molecular Biology, Biomedical Engineering and Genetics. According to data from OpenAlex, Ashty S. Karim has authored 44 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 42 papers in Molecular Biology, 10 papers in Biomedical Engineering and 5 papers in Genetics. Recurrent topics in Ashty S. Karim's work include Microbial Metabolic Engineering and Bioproduction (21 papers), CRISPR and Genetic Engineering (18 papers) and RNA and protein synthesis mechanisms (13 papers). Ashty S. Karim is often cited by papers focused on Microbial Metabolic Engineering and Bioproduction (21 papers), CRISPR and Genetic Engineering (18 papers) and RNA and protein synthesis mechanisms (13 papers). Ashty S. Karim collaborates with scholars based in United States, Philippines and Australia. Ashty S. Karim's co-authors include Michael C. Jewett, Hal S. Alper, Kathleen A. Curran, Adam D. Silverman, Quentin M. Dudley, John M. Leavitt, Akash Gupta, Blake J. Rasor, Bastian Vögeli and Jonathan W. Bogart and has published in prestigious journals such as Chemical Reviews, Nucleic Acids Research and Nature Communications.

In The Last Decade

Ashty S. Karim

43 papers receiving 2.5k 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.

Cell-free gene expression: an expanded repertoire of applications

2019 429 citations Adam D. Silverman, Ashty S. Karim et al. Nature Reviews Genetics profile →
Accelerated enzyme engineering by machine-learning guided cell-free expression

2025 38 citations Jonathan W. Bogart, Ashty S. Karim et al. Nature Communications profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ashty S. Karim United States	22	2.3k	566	279	206	195	44	2.6k
Gabriel C. Wu United States	7	1.7k 0.7×	299 0.5×	118 0.4×	145 0.7×	424 2.2×	9	1.9k
Tong Si China	27	2.0k 0.9×	684 1.2×	180 0.6×	185 0.9×	148 0.8×	58	2.4k
Matthias G. Steiger Austria	24	2.0k 0.9×	987 1.7×	283 1.0×	147 0.7×	128 0.7×	52	2.3k
José M. Otero Spain	23	1.2k 0.5×	428 0.8×	113 0.4×	86 0.4×	141 0.7×	72	1.8k
Xiaozhou Luo China	22	1.2k 0.5×	214 0.4×	138 0.5×	145 0.7×	141 0.7×	72	1.9k
R.D. Seidel United States	21	1.1k 0.5×	188 0.3×	197 0.7×	156 0.8×	81 0.4×	35	1.4k
Moshe Goldsmith Israel	22	1.4k 0.6×	203 0.4×	160 0.6×	172 0.8×	168 0.9×	35	2.2k
William C. DeLoache United States	5	1.3k 0.6×	196 0.3×	139 0.5×	165 0.8×	115 0.6×	5	1.5k
Maureen B. Quin United States	18	1.1k 0.5×	151 0.3×	182 0.7×	452 2.2×	170 0.9×	24	1.4k
Ethan A. Mirsky United States	5	1.7k 0.7×	266 0.5×	114 0.4×	92 0.4×	505 2.6×	5	1.9k

Countries citing papers authored by Ashty S. Karim

Since Specialization

Citations

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

Fields of papers citing papers by Ashty S. Karim

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ashty S. Karim

This figure shows the co-authorship network connecting the top 25 collaborators of Ashty S. Karim. A scholar is included among the top collaborators of Ashty S. Karim 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 Ashty S. Karim. Ashty S. Karim 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

Cabezas, Maria D., Martin Daniel-Ivad, Katherine F. Warfel, et al.. (2025). Characterizing and engineering post-translational modifications with high-throughput cell-free expression. Nature Communications. 16(1). 7215–7215. 1 indexed citations

Bogart, Jonathan W., et al.. (2025). Accelerated enzyme engineering by machine-learning guided cell-free expression. Nature Communications. 16(1). 865–865. 38 indexed citations breakdown →

Gaillard, Jean‐François, et al.. (2025). Active learning-guided optimization of cell-free biosensors for lead testing in drinking water. Nature Communications. 17(1). 261–261.

Hunt, Andrew C., et al.. (2024). Cell-Free Gene Expression: Methods and Applications. Chemical Reviews. 125(1). 91–149. 21 indexed citations

Karim, Ashty S., Ludmilla Aristilde, Yogesh Goyal, et al.. (2024). Deconstructing synthetic biology across scales: a conceptual approach for training synthetic biologists. Nature Communications. 15(1). 5425–5425. 6 indexed citations

Jung, Jaeyoung K., Blake J. Rasor, Adam D. Silverman, et al.. (2023). At-Home, Cell-Free Synthetic Biology Education Modules for Transcriptional Regulation and Environmental Water Quality Monitoring. ACS Synthetic Biology. 12(10). 2909–2921. 13 indexed citations

Rasor, Blake J., Ashty S. Karim, Hal S. Alper, & Michael C. Jewett. (2023). Cell Extracts from Bacteria and Yeast Retain Metabolic Activity after Extended Storage and Repeated Thawing. ACS Synthetic Biology. 12(3). 904–908. 2 indexed citations

Rasor, Blake J., et al.. (2023). A dynamic kinetic model captures cell-free metabolism for improved butanol production. Metabolic Engineering. 76. 133–145. 13 indexed citations

Hunt, Andrew C., Bastian Vögeli, Ahmed O. Hassan, et al.. (2023). A rapid cell-free expression and screening platform for antibody discovery. Nature Communications. 14(1). 33 indexed citations

10.

Rasor, Blake J., Payal Chirania, Richard J. Giannone, et al.. (2023). Mechanistic Insights into Cell-Free Gene Expression through an Integrated -Omics Analysis of Extract Processing Methods. ACS Synthetic Biology. 12(2). 405–418. 13 indexed citations

11.

Kuhn, Robert M., et al.. (2022). Development of a Freeze-Dried CRISPR-Cas12 Sensor for Detecting Wolbachia in the Secondary Science Classroom. ACS Synthetic Biology. 11(2). 835–842. 30 indexed citations

12.

Vögeli, Bastian, Luca Schulz, Shivani Garg, et al.. (2022). Cell-free prototyping enables implementation of optimized reverse β-oxidation pathways in heterotrophic and autotrophic bacteria. Nature Communications. 13(1). 3058–3058. 52 indexed citations

13.

Rasor, Blake J., Bastian Vögeli, Michael C. Jewett, & Ashty S. Karim. (2022). Cell-Free Protein Synthesis for High-Throughput Biosynthetic Pathway Prototyping. Methods in molecular biology. 2433. 199–215. 14 indexed citations

14.

Nakamura, Yusuke, et al.. (2021). Analysis of the Innovation Trend in Cell-Free Synthetic Biology. Life. 11(6). 551–551. 18 indexed citations

15.

Rasor, Blake J., et al.. (2020). Cell-free styrene biosynthesis at high titers. Metabolic Engineering. 61. 89–95. 52 indexed citations

16.

Karim, Ashty S., Quentin M. Dudley, Alex Juminaga, et al.. (2020). In vitro prototyping and rapid optimization of biosynthetic enzymes for cell design. Nature Chemical Biology. 16(8). 912–919. 174 indexed citations

17.

Karim, Ashty S., Fungmin Liew, Shivani Garg, et al.. (2020). Modular cell-free expression plasmids to accelerate biological design in cells. PubMed. 5(1). ysaa019–ysaa019. 10 indexed citations

18.

Karim, Ashty S., Blake J. Rasor, & Michael C. Jewett. (2019). Enhancing control of cell-free metabolism through pH modulation. OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information). 5(1). 21 indexed citations

19.

Silverman, Adam D., Ashty S. Karim, & Michael C. Jewett. (2019). Cell-free gene expression: an expanded repertoire of applications. Nature Reviews Genetics. 21(3). 151–170. 429 indexed citations breakdown →

20.

Karim, Ashty S., et al.. (2017). Controlling cell-free metabolism through physiochemical perturbations. Metabolic Engineering. 45. 86–94. 54 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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