T. Ashton Cropp

2.9k total citations · 1 hit paper
41 papers, 2.3k citations indexed

About

T. Ashton Cropp is a scholar working on Molecular Biology, Pharmacology and Organic Chemistry. According to data from OpenAlex, T. Ashton Cropp has authored 41 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 34 papers in Molecular Biology, 7 papers in Pharmacology and 6 papers in Organic Chemistry. Recurrent topics in T. Ashton Cropp's work include RNA and protein synthesis mechanisms (22 papers), Chemical Synthesis and Analysis (8 papers) and Microbial Natural Products and Biosynthesis (7 papers). T. Ashton Cropp is often cited by papers focused on RNA and protein synthesis mechanisms (22 papers), Chemical Synthesis and Analysis (8 papers) and Microbial Natural Products and Biosynthesis (7 papers). T. Ashton Cropp collaborates with scholars based in United States, France and United Kingdom. T. Ashton Cropp's co-authors include Peter G. Schultz, Mridul Mukherji, Jason W. Chin, J. Christopher Anderson, Alexander Deiters, Zhiwen Zhang, Kevin A. Reynolds, Ning Wu, David S. King and Daniel Summerer and has published in prestigious journals such as Science, Journal of the American Chemical Society and Journal of Biological Chemistry.

In The Last Decade

T. Ashton Cropp

39 papers receiving 2.3k citations

Hit Papers

align trajectories sort by overperformance

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.

An Expanded Eukaryotic Genetic Code

2003 638 citations Jason W. Chin, T. Ashton Cropp et al. Science profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
T. Ashton Cropp United States	20	1.9k	740	285	276	265	41	2.3k
Jesús García Spain	23	1.3k 0.7×	606 0.8×	419 1.5×	131 0.5×	172 0.6×	61	2.2k
Chang C. Liu United States	23	2.7k 1.4×	662 0.9×	500 1.8×	453 1.6×	77 0.3×	49	3.2k
Abhishek Chatterjee United States	33	2.6k 1.3×	639 0.9×	489 1.7×	307 1.1×	54 0.2×	108	3.3k
Kensaku Sakamoto Japan	36	3.8k 2.0×	641 0.9×	655 2.3×	373 1.4×	82 0.3×	101	4.2k
Alun Jones Australia	11	1.4k 0.7×	443 0.6×	88 0.3×	133 0.5×	186 0.7×	14	1.8k
Brad Herberich United States	8	1.3k 0.7×	342 0.5×	268 0.9×	190 0.7×	57 0.2×	9	1.5k
Andrea Rentmeister Germany	34	2.6k 1.4×	803 1.1×	152 0.5×	72 0.3×	95 0.4×	116	3.2k
Christopher J. Noren United States	24	3.0k 1.5×	485 0.7×	373 1.3×	723 2.6×	41 0.2×	41	3.3k
Toni Kline United States	25	908 0.5×	354 0.5×	200 0.7×	261 0.9×	104 0.4×	48	1.8k
Ioanna Ntai United States	24	1.3k 0.7×	239 0.3×	157 0.6×	87 0.3×	301 1.1×	39	1.8k

Countries citing papers authored by T. Ashton Cropp

Since Specialization

Citations

This map shows the geographic impact of T. Ashton Cropp'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 T. Ashton Cropp with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites T. Ashton Cropp more than expected).

Fields of papers citing papers by T. Ashton Cropp

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by T. Ashton Cropp. 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 T. Ashton Cropp. The network helps show where T. Ashton Cropp may publish in the future.

Co-authorship network of co-authors of T. Ashton Cropp

This figure shows the co-authorship network connecting the top 25 collaborators of T. Ashton Cropp. A scholar is included among the top collaborators of T. Ashton Cropp 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 T. Ashton Cropp. T. Ashton Cropp 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

Reed, Megan R., et al.. (2025). Directed Evolution of a Macrolide-Sensing Transcription Factor Biosensor for the Detection of Macrolactone Aglycones via “Effector Walking” and Efflux Pump Deletion. Biochemistry. 64(7). 1560–1571.

Cropp, T. Ashton, et al.. (2025). Removing redundancy of the NCN codons in vitro for maximal sense codon reassignment. Chemical Science. 16(20). 8932–8939.

Cropp, T. Ashton, et al.. (2024). Blocking and rescuing tryptophan interactions. Nature Chemistry. 16(4). 485–486. 1 indexed citations

Reed, Megan R., et al.. (2023). Genetic Encoding of a Photocaged Histidine for Light‐Control of Protein Activity. ChemBioChem. 24(7). e202200721–e202200721. 20 indexed citations

Cropp, T. Ashton, et al.. (2023). Extensive breaking of genetic code degeneracy with non-canonical amino acids. Nature Communications. 14(1). 5008–5008. 12 indexed citations

Li, Yiwei, Megan R. Reed, H.T. Wright, T. Ashton Cropp, & Gavin J. Williams. (2021). Development of Genetically Encoded Biosensors for Reporting the Methyltransferase-Dependent Biosynthesis of Semisynthetic Macrolide Antibiotics. ACS Synthetic Biology. 10(10). 2520–2531. 17 indexed citations

Zhou, Han, et al.. (2019). Enhancing the incorporation of lysine derivatives into proteins with methylester forms of unnatural amino acids. Bioorganic & Medicinal Chemistry Letters. 30(2). 126876–126876. 14 indexed citations

Castañeda, Carlos A., Olivier Walker, Apurva Chaturvedi, et al.. (2016). Linkage via K27 Bestows Ubiquitin Chains with Unique Properties among Polyubiquitins. Structure. 24(3). 423–436. 51 indexed citations

Liu, Jia & T. Ashton Cropp. (2013). Rational Protein Sequence Diversification by Multi-Codon Scanning Mutagenesis. Methods in molecular biology. 978. 217–228. 2 indexed citations

10.

Gardner, Laura, et al.. (2011). Photochemical control of bacterial signal processing using a light-activated erythromycin. Molecular BioSystems. 7(9). 2554–2557. 8 indexed citations

11.

Castañeda, Carlos A., et al.. (2011). Controlled enzymatic synthesis of natural-linkage, defined-length polyubiquitin chains using lysines with removable protecting groups. Chemical Communications. 47(7). 2026–2026. 35 indexed citations

12.

Castañeda, Carlos A., Jia Liu, Apurva Chaturvedi, et al.. (2011). Nonenzymatic Assembly of Natural Polyubiquitin Chains of Any Linkage Composition and Isotopic Labeling Scheme. Journal of the American Chemical Society. 133(44). 17855–17868. 85 indexed citations

13.

Liu, Jia, Carlos A. Castañeda, Bryan J. Wilkins, David Fushman, & T. Ashton Cropp. (2010). Condensed E. coli cultures for highly efficient production of proteins containing unnatural amino acids. Bioorganic & Medicinal Chemistry Letters. 20(19). 5613–5616. 9 indexed citations

14.

Zheng, Jianting, et al.. (2009). Structure and Function of the Macrolide Biosensor Protein, MphR(A), with and without Erythromycin. Journal of Molecular Biology. 387(5). 1250–1260. 42 indexed citations

15.

Wilkins, Bryan J., et al.. (2008). Peptide mass fingerprinting using isotopically encoded photo-crosslinking amino acids. Molecular BioSystems. 4(9). 934–936. 10 indexed citations

16.

Cropp, T. Ashton & Jik Chin. (2006). Expanding nucleic acid function in vitro and in vivo. Current Opinion in Chemical Biology. 10(6). 601–606. 4 indexed citations

17.

Deiters, Alexander, T. Ashton Cropp, Daniel Summerer, Mridul Mukherji, & Peter G. Schultz. (2004). Site-specific PEGylation of proteins containing unnatural amino acids. Bioorganic & Medicinal Chemistry Letters. 14(23). 5743–5745. 202 indexed citations

18.

Chin, Jason W., T. Ashton Cropp, J. Christopher Anderson, et al.. (2003). An Expanded Eukaryotic Genetic Code. Science. 301(5635). 964–967. 638 indexed citations breakdown →

19.

Chin, Jason W., T. Ashton Cropp, Stephanie Chu, Eric Meggers, & Peter G. Schultz. (2003). Progress Toward an Expanded Eukaryotic Genetic Code. Chemistry & Biology. 10(6). 511–519. 69 indexed citations

20.

Cropp, T. Ashton, et al.. (2000). Fatty-acid biosynthesis in a branched-chain α-keto acid dehydrogenase mutant of <i>Streptomyces avermitilis</i>. Canadian Journal of Microbiology. 46(6). 506–514. 21 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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