R. A. J. Warren

8.5k citations

117 papers · 7.1k indexed · 2 hit papers · h-index 41

Co-authors: Neil R. Gilkes Douglas G. Kilburn Robert C. Miller Bernard Henrissat Peter Tomme C F Beck Stephen G. Withers M. L. Langsford
Topics: Enzyme Production and Characterization (43 papers)Biofuel production and bioconversion (36 papers)Bacteriophages and microbial interactions (28 papers)
Cited by: Biotechnology Biomedical Engineering Molecular Biology
Journals: Nature Proceedings of the National Academy of Sciences Journal of the American Chemical Society
Partner nations: Canada United States France

In The Last Decade

R. A. J. Warren

115 papers receiving 6.6k 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.

Domains in microbial beta-1, 4-glycanases: sequence conservation, function, and enzyme families

1991 769 citations Neil R. Gilkes, Bernard Henrissat et al. profile →
Cellulose Hydrolysis by Bacteria and Fungi

1995 555 citations Peter Tomme, R. A. J. Warren et al. Advances in microbial physiology profile →

Peers

Countries citing papers authored by R. A. J. Warren

Since Specialization

Citations

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

Fields of papers citing papers by R. A. J. Warren

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R. A. J. Warren. 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 R. A. J. Warren. The network helps show where R. A. J. Warren may publish in the future.

Co-authorship network of co-authors of R. A. J. Warren

This figure shows the co-authorship network connecting the top 25 collaborators of R. A. J. Warren. A scholar is included among the top collaborators of R. A. J. Warren 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 R. A. J. Warren. R. A. J. Warren 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

#	Work	Indexed citations
1	Characterization of a β‐N‐acetylhexosaminidase and a β‐N‐acetylglucosaminidase/β‐glucosidase from Cellulomonas fimi 2006 ·FEBS Journal ·Christoph Mayer,David J. Vocadlo,(unknown),Karen Rupitz,Dominik Stoll,R. A. J. Warren,Stephen G. Withers	57
2	Engineering of a thioglycoligase: randomized mutagenesis of the acid-base residue leads to the identification of improved catalysts 2005 ·Protein Engineering Design and Selection ·Johannes Müllegger,Michael Jahn,(unknown),R. A. J. Warren,Stephen G. Withers	54
3	Factor X Fusion Proteins: Improved Production and Use in the Release in Vitro of Biologically Active Hirudin from an Inactive α-Factor–Hirudin Fusion Protein 2000 ·Protein Expression and Purification ·M. Marta Guarna,Hélène C. F. Côté,Emily Kwan,Gordon L. Rintoul,Bernd Meyhack,J. Heim,Ross T. A. MacGillivray,R. A. J. Warren,Douglas G. Kilburn	8
4	Cellulose‐binding Domains 1996 ·Annals of the New York Academy of Sciences ·Peter Tomme,Neil R. Gilkes,M. Marta Guarna,Charles A. Haynes,(unknown),Eric Jervis,Philip E. Johnson,Lawrence P. McIntosh,R. A. J. Warren,Douglas G. Kilburn	16
5	Engineering Factor X Fusions for Expression in Pichia pastoris^a 1996 ·Annals of the New York Academy of Sciences ·M. Marta Guarna,Hélène C. F. Côté,(unknown),Ross T. A. MacGillivray,R. A. J. Warren,Douglas G. Kilburn	5
6	Identification of the Acid/Base Catalyst in Agrobacterium faecalis .beta.-Glucosidase by Kinetic Analysis of Mutants 1995 ·Biochemistry ·(unknown),Donald Trimbur,R M Graham,R. A. J. Warren,Stephen G. Withers	120
7	Cellulose Hydrolysis by Bacteria and Fungibreakdown → 1995 ·Advances in microbial physiology ·Peter Tomme,R. A. J. Warren,Neil R. Gilkes	555
8	Stereochemical Course of Hydrolysis Catalyzed by Cellulomonas fimi CenE, a Member of a New Family of β-1,4-Glucanases 1994 ·Biochemical and Biophysical Research Communications ·Hua Shen,Peter Tomme,Andreas Meinke,Neil R. Gilkes,Douglas G. Kilburn,R. A. J. Warren,Robert C. Miller	22
9	Non-S-layer glycoproteins in eubacteria 1994 ·FEMS Microbiology Letters ·(unknown),Alasdair M. MacLeod,Edmund Ong,R. A. J. Warren	17
10	The nature of the cellulose-binding domain effects the activities of a bacterial endoglucanase on different forms of cellulose 1993 ·FEMS Microbiology Letters ·(unknown),Neil R. Gilkes,Douglas G. Kilburn,R. A. J. Warren,Robert C. Miller	46
11	Visualization of the adsorption of a bacterial endo-β-1,4-glucanase and its isolated cellulose-binding domain to crystalline cellulose 1993 ·International Journal of Biological Macromolecules ·Neil R. Gilkes,Douglas G. Kilburn,Robert C. Miller,R. A. J. Warren,Junji Sugiyama,H. Chanzy,Bernard Henrissat	48
12	The binding of Cellulomonas fimi endoglucanase C (CenC) to cellulose and Sephadex is mediated by the N‐terminal repeats 1992 ·Molecular Microbiology ·(unknown),Neil R. Gilkes,R. A. J. Warren,Douglas G. Kilburn,Robert C. Miller	83
13	Expression of the Cellulomonas fimi cellulase genes cex and cenA from the divergent tet promoters of transposon Tn10 1990 ·Archives of Microbiology ·Neena Din,C F Beck,Robert C. Miller,Douglas G. Kilburn,R. A. J. Warren	4
14	Glycosylation of bacterial cellulases prevents proteolytic cleavage between functional domains 1987 ·FEBS Letters ·M. L. Langsford,Neil R. Gilkes,Bhagirath Singh,Bernhard Moser,Robert C. Miller,R. A. J. Warren,Douglas G. Kilburn	131
15	The expression of Cellulomonas fimi cellulase genes in Brevibacterium lactofermentum 1987 ·Gene ·François Paradis,R. A. J. Warren,Douglas G. Kilburn,Robert C. Miller	23
16	Sequence conservation and region shuffling in an endoglucanase and an exoglucanase from Cellulomonas fimi 1986 ·Proteins Structure Function and Bioinformatics ·R. A. J. Warren,C F Beck,Neil R. Gilkes,Douglas G. Kilburn,M. L. Langsford,Robert C. Miller,Gary P. O’Neill,(unknown),Wan Keung Wong	45
17	Bacteriophage φW-14: The contribution of covalently bound putrescine to DNA Packing in the Phage Head 1983 ·Virology ·Douglas G. Scraba,Roger Bradley,(unknown),R. A. J. Warren	23
18	Bacteriophages as Indicators of the Mechanism of Action of Photosensitizing Agents 1980 ·Photobiochemistry and photobiophysics. ·R. A. J. Warren,J. B. Hudson,Kelsey R. Downum,Elizabeth Graham,R. A. Norton,G.H.N. Towers	19
19	Mixed bacteriophage infection of Escherichia coli: exclusion of superinfecting T4 by T7 1979 ·Canadian Journal of Microbiology ·(unknown),Robert C. Miller,R. A. J. Warren	1
20	Itoic Acid Synthesis in Bacillus subtilis 1968 ·Journal of Bacteriology ·Wilma Peters,R. A. J. Warren	35

About R. A. J. Warren

R. A. J. Warren is a scholar working on Biotechnology, Ecology and Molecular Biology, having authored 117 papers that have together received 7.1k indexed citations. Recurring topics across this work include Enzyme Production and Characterization (43 papers), Biofuel production and bioconversion (36 papers) and Bacteriophages and microbial interactions (28 papers). The work is most often cited by research in Biotechnology (3.4k citations), Biomedical Engineering (3.2k citations) and Molecular Biology (3.8k citations). R. A. J. Warren has collaborated with scholars based in Canada, United States and France. Frequent co-authors include Neil R. Gilkes, Douglas G. Kilburn, Robert C. Miller, Bernard Henrissat, Peter Tomme, C F Beck, Stephen G. Withers, M. L. Langsford, Tuula T. Teeri and Rod A. Kelln. Their work appears in journals such as Nature, Proceedings of the National Academy of Sciences and Journal of the American Chemical Society.

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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