G. O. Humphreys

2.2k total citations · 1 hit paper
26 papers, 1.9k citations indexed

About

G. O. Humphreys is a scholar working on Molecular Biology, Genetics and Ecology. According to data from OpenAlex, G. O. Humphreys has authored 26 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 19 papers in Molecular Biology, 16 papers in Genetics and 8 papers in Ecology. Recurrent topics in G. O. Humphreys's work include Bacterial Genetics and Biotechnology (16 papers), Antibiotic Resistance in Bacteria (8 papers) and Bacteriophages and microbial interactions (7 papers). G. O. Humphreys is often cited by papers focused on Bacterial Genetics and Biotechnology (16 papers), Antibiotic Resistance in Bacteria (8 papers) and Bacteriophages and microbial interactions (7 papers). G. O. Humphreys collaborates with scholars based in United Kingdom, Nepal and China. G. O. Humphreys's co-authors include E. S. Anderson, Geraldine A. Willshaw, Henry R. Smith, Nigel D. F. Grindley, J. R. Saunders, Ainsley Weston, Geoffrey Yarranton, C. David O’Connor, M K Robinson and P. M. MEADOW and has published in prestigious journals such as Nature, Nucleic Acids Research and Journal of Virology.

In The Last Decade

G. O. Humphreys

26 papers receiving 1.6k 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.

A simple method for the preparation of large quantities of pure plasmid DNA

1975 550 citations G. O. Humphreys, Geraldine A. Willshaw et al. Biochimica et Biophysica Acta (BBA) - Nucleic Acids and Protein Synthesis profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
G. O. Humphreys United Kingdom	20	1.2k	761	447	302	211	26	1.9k
Toshio Fukasawa Japan	27	1.6k 1.4×	495 0.7×	361 0.8×	213 0.7×	157 0.7×	63	2.2k
Gregor Högenauer Austria	27	1.3k 1.1×	516 0.7×	276 0.6×	230 0.8×	142 0.7×	62	2.1k
R H Rownd United States	32	1.9k 1.5×	1.3k 1.7×	591 1.3×	584 1.9×	208 1.0×	83	2.7k
Daniel Vapnek United States	19	1.3k 1.1×	762 1.0×	482 1.1×	246 0.8×	101 0.5×	30	1.8k
P T Barth United Kingdom	24	1.3k 1.1×	919 1.2×	646 1.4×	613 2.0×	233 1.1×	36	2.3k
John Foulds United States	24	1.1k 0.9×	824 1.1×	403 0.9×	487 1.6×	280 1.3×	39	1.9k
Royston C. Clowes United States	23	1.6k 1.3×	1.2k 1.5×	736 1.6×	706 2.3×	303 1.4×	45	2.8k
Elinor Meynell United Kingdom	15	585 0.5×	437 0.6×	365 0.8×	270 0.9×	136 0.6×	24	1.3k
J. N. COETZEE South Africa	20	864 0.7×	408 0.5×	714 1.6×	268 0.9×	178 0.8×	89	1.5k
Jenny K. Broome‐Smith United Kingdom	19	921 0.8×	874 1.1×	327 0.7×	470 1.6×	207 1.0×	26	1.5k

Countries citing papers authored by G. O. Humphreys

Since Specialization

Citations

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

Fields of papers citing papers by G. O. Humphreys

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by G. O. Humphreys. 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 G. O. Humphreys. The network helps show where G. O. Humphreys may publish in the future.

Co-authorship network of co-authors of G. O. Humphreys

This figure shows the co-authorship network connecting the top 25 collaborators of G. O. Humphreys. A scholar is included among the top collaborators of G. O. Humphreys 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 G. O. Humphreys. G. O. Humphreys 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

Saunders, J. R., et al.. (1987). Cell volume changes correlate with efficiency of transformation ofEscherichia coliwith plasmid DNA. FEMS Microbiology Letters. 42(2-3). 125–128. 1 indexed citations

Wright, Edwina M., G. O. Humphreys, & Geoffrey Yarranton. (1986). Dual-origin plasmids containing an amplifiable ColE1 ori; temperature-controlled expression of cloned genes. Gene. 49(3). 311–321. 25 indexed citations

Yarranton, Geoffrey, Edwina M. Wright, M K Robinson, & G. O. Humphreys. (1984). Dual-origin plasmid vectors whose origin of replication is controlled by the coliphage lambda promoter pL. Gene. 28(3). 293–300. 26 indexed citations

Saunders, J. R., et al.. (1981). Lack of specificity in DNA binding and uptake during transformation ofEscherichia coli. FEMS Microbiology Letters. 11(2-3). 97–100. 6 indexed citations

Humphreys, G. O. & Thomas A. Trautner. (1981). Maturation of bacteriophage SPPI DNA: limited precision in the sizing of mature bacteriophage genomes. Journal of Virology. 37(2). 832–835. 14 indexed citations

Humphreys, G. O. & Thomas A. Trautner. (1981). Structure of Bacillus subtilis bacteriophage SPP1 DNA in relation to its transfection activity. Journal of Virology. 37(2). 574–579. 4 indexed citations

Flett, Fiona, G. O. Humphreys, & J. R. Saunders. (1981). Intraspecific and Intergeneric Mobilization of Non-conjugative Resistance Plasmids by a 24-5 Megadalton Conjugative Plasmid of Neisseria gonorrhoeae. Microbiology. 125(1). 123–129. 27 indexed citations

Weston, Ainsley, et al.. (1981). Transformation of Escherichia coli with plasmid deoxyribonucleic acid: calcium-induced binding of deoxyribonucleic acid to whole cells and to isolated membrane fractions. Journal of Bacteriology. 145(2). 780–787. 41 indexed citations

Strike, Peter, G. O. Humphreys, & Richard J. Roberts. (1979). Nature of transforming deoxyribonucleic acid in calcium-treated Escherichia coli. Journal of Bacteriology. 138(3). 1033–1035. 22 indexed citations

10.

Weston, Ainsley, et al.. (1979). Simultaneous transformation of Escherichia coli by pairs of compatible and incompatible plasmid DNA molecules. Molecular and General Genetics MGG. 172(1). 113–118. 26 indexed citations

11.

Weston, Ainsley, et al.. (1979). Transformation ofEscherichia coliC600 by plasmid DNA at different phases of growth. FEMS Microbiology Letters. 5(3). 219–222. 119 indexed citations

12.

Humphreys, G. O., Geraldine A. Willshaw, Henry R. Smith, & E. S. Anderson. (1976). Mutagenesis of plasmid DNA with hydroxylamine: Isolation of mutants of multi-copy plasmids. Molecular and General Genetics MGG. 145(1). 101–108. 141 indexed citations

13.

Smith, Henry R., G. O. Humphreys, Geraldine A. Willshaw, & E. S. Anderson. (1976). Characterisation of plasmids coding for the restriction endonuclease EcoRI. Molecular and General Genetics MGG. 143(3). 319–325. 23 indexed citations

14.

Humphreys, G. O., Geraldine A. Willshaw, & E. S. Anderson. (1975). A simple method for the preparation of large quantities of pure plasmid DNA. Biochimica et Biophysica Acta (BBA) - Nucleic Acids and Protein Synthesis. 383(4). 457–463. 550 indexed citations breakdown →

15.

Smith, Henry R., G. O. Humphreys, & E. S. Anderson. (1974). Genetic and molecular characterisation of some non-transferring plasmids. Molecular and General Genetics MGG. 129(3). 229–242. 49 indexed citations

16.

Smith, Henry R., Nigel D. F. Grindley, G. O. Humphreys, & E. S. Anderson. (1973). Interactions of Group H Resistance Factors with the F Factor. Journal of Bacteriology. 115(2). 623–628. 49 indexed citations

17.

Smith, Henry R., et al.. (1973). Molecular studies of an fi + plasmid from strains of Salmonella typhimurium. Molecular and General Genetics MGG. 126(2). 143–151. 60 indexed citations

18.

Grindley, Nigel D. F., G. O. Humphreys, & E. S. Anderson. (1973). Molecular Studies of R Factor Compatibility Groups. Journal of Bacteriology. 115(1). 387–398. 139 indexed citations

19.

Humphreys, G. O., Nigel D. F. Grindley, & E. S. Anderson. (1972). DNA-protein complexes of Δ-mediated transfer systems. Biochimica et Biophysica Acta (BBA) - Nucleic Acids and Protein Synthesis. 287(2). 355–360. 13 indexed citations

20.

Humphreys, G. O., I.C. Hancock, & P. M. MEADOW. (1972). Synthesis of the Hydroxyacids in Lipid A of Pseudomonas aeruginosa. Journal of General Microbiology. 71(2). 221–230. 25 indexed citations

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