D Ma

2.0k total citations · 1 hit paper
12 papers, 1.7k citations indexed

About

D Ma is a scholar working on Molecular Biology, Molecular Medicine and Pharmacology. According to data from OpenAlex, D Ma has authored 12 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Molecular Biology, 3 papers in Molecular Medicine and 2 papers in Pharmacology. Recurrent topics in D Ma's work include Receptor Mechanisms and Signaling (3 papers), Antibiotic Resistance in Bacteria (3 papers) and Cancer therapeutics and mechanisms (2 papers). D Ma is often cited by papers focused on Receptor Mechanisms and Signaling (3 papers), Antibiotic Resistance in Bacteria (3 papers) and Cancer therapeutics and mechanisms (2 papers). D Ma collaborates with scholars based in United States and China. D Ma's co-authors include Hiroshi Nikaido, David N. Cook, John E. Hearst, Ning G. Pon, Marie Alberti, Xiujuan Li, David M. Livermore, Ping Wu, Robert W. Egan and M. Motasim Billah and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Biological Chemistry and Journal of Bacteriology.

In The Last Decade

D Ma

12 papers receiving 1.6k 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.

AcrAB efflux pump plays a major role in the antibiotic resistance phenotype of Escherichia coli multiple-antibiotic-resistance (Mar) mutants

1996 652 citations D Ma, Hiroshi Nikaido et al. Journal of Bacteriology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
D Ma United States	10	854	792	428	293	212	12	1.7k
Marie Alberti United States	18	737 0.9×	1.6k 2.0×	483 1.1×	219 0.7×	258 1.2×	21	2.4k
Jean Dusart Belgium	20	691 0.8×	937 1.2×	367 0.9×	463 1.6×	105 0.5×	58	1.7k
Tetsuo Sawai Japan	27	1.3k 1.5×	923 1.2×	332 0.8×	655 2.2×	262 1.2×	79	2.0k
Steve Grkovic Australia	11	487 0.6×	686 0.9×	404 0.9×	161 0.5×	120 0.6×	15	1.3k
Subray S. Hegde United States	19	359 0.4×	1.3k 1.6×	200 0.5×	223 0.8×	60 0.3×	30	1.8k
Govindan Rajamohan India	16	693 0.8×	482 0.6×	108 0.3×	166 0.6×	282 1.3×	29	1.1k
Magdalena Zalacaín United States	23	304 0.4×	905 1.1×	193 0.5×	322 1.1×	48 0.2×	40	1.4k
P T Barth United Kingdom	24	613 0.7×	1.3k 1.7×	919 2.1×	93 0.3×	233 1.1×	36	2.3k
Michelle F. Richter United States	10	350 0.4×	1.7k 2.1×	466 1.1×	255 0.9×	43 0.2×	13	2.3k

Countries citing papers authored by D Ma

Since Specialization

Citations

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

Fields of papers citing papers by D Ma

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of D Ma

This figure shows the co-authorship network connecting the top 25 collaborators of D Ma. A scholar is included among the top collaborators of D Ma 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 D Ma. D Ma is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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12 of 12 papers shown

Ma, D, Seung Yang, Shutong Li, et al.. (2025). A targeted pH-responsive micelle based on poly (ethylene glycol) and polycaprolactone for Pseudomonas aeruginosa pneumonia treatment. International Immunopharmacology. 161. 114994–114994. 1 indexed citations

Groves, Benjamin, et al.. (2007). A specific role of AGS3 in the surface expression of plasma membrane proteins. Proceedings of the National Academy of Sciences. 104(46). 18103–18108. 35 indexed citations

Ma, D. (2002). ER transport signals and trafficking of potassium channels and receptors. Current Opinion in Neurobiology. 12(3). 287–292. 149 indexed citations

Ma, D, et al.. (1999). Phosphodiesterase 4B Gene Transcription Is Activated by Lipopolysaccharide and Inhibited by Interleukin-10 in Human Monocytes. Molecular Pharmacology. 55(1). 50–57. 57 indexed citations

Ma, D, Ping Wu, Robert W. Egan, M. Motasim Billah, & Peng Wang. (1999). Phosphodiesterase 4B Gene Transcription Is Activated by Lipopolysaccharide and Inhibited by Interleukin-10 in Human Monocytes. Molecular Pharmacology. 55(1). 50–57. 4 indexed citations

Ma, D, et al.. (1996). AcrAB efflux pump plays a major role in the antibiotic resistance phenotype of Escherichia coli multiple-antibiotic-resistance (Mar) mutants. Journal of Bacteriology. 178(1). 306–308. 652 indexed citations breakdown →

Li, Xiujuan, D Ma, David M. Livermore, & Hiroshi Nikaido. (1994). Role of efflux pump(s) in intrinsic resistance of Pseudomonas aeruginosa: active efflux as a contributing factor to beta-lactam resistance. Antimicrobial Agents and Chemotherapy. 38(8). 1742–1752. 225 indexed citations

Ma, D, David N. Cook, Ning G. Pon, & John E. Hearst. (1994). Efficient anchoring of RNA polymerase in Escherichia coli during coupled transcription-translation of genes encoding integral inner membrane polypeptides.. Journal of Biological Chemistry. 269(21). 15362–15370. 20 indexed citations

Ma, D, David N. Cook, Marie Alberti, et al.. (1993). Molecular cloning and characterization of acrA and acrE genes of Escherichia coli. Journal of Bacteriology. 175(19). 6299–6313. 389 indexed citations

10.

Ma, D, David N. Cook, David O’Brien, & John E. Hearst. (1993). Analysis of the promoter and regulatory sequences of an oxygen-regulated bch operon in Rhodobacter capsulatus by site-directed mutagenesis. Journal of Bacteriology. 175(7). 2037–2045. 43 indexed citations

11.

Armstrong, G. A., David N. Cook, D Ma, et al.. (1993). Regulation of carotenoid and bacteriochlorophyll biosynthesis genes and identification of an evolutionarily conserved gene required for bacteriochlorophyll accumulation. Journal of General Microbiology. 139(5). 897–906. 20 indexed citations

12.

Cook, David N., D Ma, Ning G. Pon, & John E. Hearst. (1992). Dynamics of DNA supercoiling by transcription in Escherichia coli.. Proceedings of the National Academy of Sciences. 89(22). 10603–10607. 56 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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