John Spizizen

5.7k total citations · 2 hit papers
47 papers, 4.9k citations indexed

About

John Spizizen is a scholar working on Molecular Biology, Ecology and Biotechnology. According to data from OpenAlex, John Spizizen has authored 47 papers receiving a total of 4.9k indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Molecular Biology, 15 papers in Ecology and 11 papers in Biotechnology. Recurrent topics in John Spizizen's work include Bacteriophages and microbial interactions (12 papers), Bacterial Genetics and Biotechnology (8 papers) and Enzyme Production and Characterization (8 papers). John Spizizen is often cited by papers focused on Bacteriophages and microbial interactions (12 papers), Bacterial Genetics and Biotechnology (8 papers) and Enzyme Production and Characterization (8 papers). John Spizizen collaborates with scholars based in United States. John Spizizen's co-authors include C. Anagnostopoulos, Frank E. Young, B E Reilly, Louise S. Prestidge, Thomas B. Higerd, Junetsu Ito, James A. Hoch, Irving P. Crawford, J. Ito and Lars Rutberg and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Biological Chemistry and The Journal of Immunology.

In The Last Decade

John Spizizen

47 papers receiving 4.2k citations

Hit Papers

REQUIREMENTS FOR TRANSFORMATION IN BACILLUS SUBTILIS 1958 2026 1980 2003 1961 1958 500 1000 1.5k
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.

  1. REQUIREMENTS FOR TRANSFORMATION IN BACILLUS SUBTILIS
    1961 2.0k citations C. Anagnostopoulos, John Spizizen Journal of Bacteriology profile →
  2. TRANSFORMATION OF BIOCHEMICALLY DEFICIENT STRAINS OF BACILLUS SUBTILIS BY DEOXYRIBONUCLEATE
    1958 1.6k citations John Spizizen Proceedings of the National Academy of Sciences profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
John Spizizen United States 21 3.4k 2.7k 1.9k 749 584 47 4.9k
J. Mandelstam United Kingdom 37 2.6k 0.8× 2.0k 0.7× 1.5k 0.8× 578 0.8× 421 0.7× 85 4.1k
J A Hoch United States 44 3.9k 1.1× 3.8k 1.4× 2.4k 1.2× 1.0k 1.4× 410 0.7× 76 5.7k
J. W. GREGOR United Kingdom 5 4.3k 1.3× 2.7k 1.0× 1.3k 0.7× 396 0.5× 176 0.3× 5 6.1k
Mary C. Betlach United States 28 5.4k 1.6× 3.0k 1.1× 1.6k 0.8× 429 0.6× 416 0.7× 43 7.3k
K. Brooks Low United States 28 4.1k 1.2× 3.3k 1.2× 1.3k 0.7× 562 0.8× 1.6k 2.7× 52 6.4k
J Beckwith United States 26 3.3k 1.0× 2.2k 0.8× 846 0.4× 549 0.7× 195 0.3× 35 4.7k
M J Casadaban United States 30 7.2k 2.1× 4.9k 1.8× 2.1k 1.1× 902 1.2× 500 0.9× 50 9.7k
Raymond L. Rodriguez United States 18 3.6k 1.1× 2.3k 0.8× 1.1k 0.5× 322 0.4× 532 0.9× 26 5.0k
B Bachmann Germany 14 5.5k 1.6× 4.0k 1.5× 1.6k 0.8× 648 0.9× 213 0.4× 21 7.4k
Patricia J. Greene United States 19 4.3k 1.3× 2.4k 0.9× 1.2k 0.6× 416 0.6× 200 0.3× 26 5.5k

Countries citing papers authored by John Spizizen

Since Specialization
Citations

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

Fields of papers citing papers by John Spizizen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of John Spizizen

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

All Works

20 of 20 papers shown
1.
Kim, Sang-Dal & John Spizizen. (1985). Molecular Cloning and Expression of Bacillus pasteurii Urease Gene in Escherichia coli. 13(3). 297–302. 5 indexed citations
2.
Faust, Robert M., et al.. (1979). Extrachromosomal DNA in Bacillus thuringiensis var. kurstaki, var. finitimus, var. sotto, and in Bacillus popilliae. Journal of Invertebrate Pathology. 33(2). 233–238. 12 indexed citations
3.
Dunn, Joseph A., John Spizizen, & William Meinke. (1978). Flow microfluorometric analysis of herpesvirus infected BHK-21 and BALB/3T3 cell cultures.. Journal of Histochemistry & Cytochemistry. 26(5). 391–400. 2 indexed citations
4.
Ito, Junetsu, William Meinke, Gary M. Hathaway, & John Spizizen. (1973). Studies on Bacillus subtilis bacteriophage φ15. Virology. 56(1). 110–122. 32 indexed citations
5.
Taylor, G. R., William L. Ellis, Paul A. Volz, et al.. (1972). Microbial Response to Space Environment. NASSP. 315. 1 indexed citations
6.
Higerd, Thomas B., James A. Hoch, & John Spizizen. (1972). Hyperprotease-Producing Mutants of Bacillus subtilis. Journal of Bacteriology. 112(2). 1026–1028. 67 indexed citations
7.
Ito, J. & John Spizizen. (1971). Increased rate of asporogenous mutations following treatment of Bacillus subtilis spores with ethyl methanesulfonate. Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis. 13(1). 93–96. 34 indexed citations
8.
Ito, Junetsu & John Spizizen. (1971). Abortive Infection of Sporulating Bacillus subtilis 168 by φ2 Bacteriophage. Journal of Virology. 7(4). 515–523. 30 indexed citations
9.
Spizizen, John, et al.. (1966). Microbial Transformation and Transfection. Annual Review of Microbiology. 20(1). 371–400. 99 indexed citations
10.
Reilly, B E & John Spizizen. (1965). Bacteriophage Deoxyribonucleate Infection of Competent Bacillus subtilis. Journal of Bacteriology. 89(3). 782–790. 139 indexed citations
11.
Young, Frank E. & John Spizizen. (1963). Biochemical Aspects of Competence in the Bacillus subtilis Transformation System. Journal of Biological Chemistry. 238(9). 3126–3130. 52 indexed citations
12.
Young, Frank E., John Spizizen, & Irving P. Crawford. (1963). Biochemical Aspects of Competence in the Bacillus subtilis Transformation System. Journal of Biological Chemistry. 238(9). 3119–3125. 79 indexed citations
13.
Young, Frank E. & John Spizizen. (1963). BIOCHEMICAL ASPECTS OF COMPETENCE IN THE BACILLUS SUBTILIS TRANSFORMATION SYSTEM. II. AUTOLYTIC ENZYME ACTIVITY OF CELL WALLS.. Journal of Biological Chemistry. 238(9). 3126–30. 61 indexed citations
14.
Young, Frank E. & John Spizizen. (1961). PHYSIOLOGICAL AND GENETIC FACTORS AFFECTING TRANSFORMATION OF BACILLUS SUBTILIS. Journal of Bacteriology. 81(5). 823–829. 138 indexed citations
15.
Anagnostopoulos, C. & John Spizizen. (1961). REQUIREMENTS FOR TRANSFORMATION IN BACILLUS SUBTILIS. Journal of Bacteriology. 81(5). 741–746. 1966 indexed citations breakdown →
16.
Sable, Henry Z., et al.. (1960). GROWTH OF ESCHERICHIA COLI AND PRODUCTION OF BACTERIOPHAGE IN DEFINED MEDIA. Journal of Bacteriology. 79(1). 81–89. 5 indexed citations
17.
Spizizen, John. (1959). Genetic activity of deoxyribonucleic acid in the reconstitution of biosynthetic pathways.. PubMed. 18. 957–65. 38 indexed citations
18.
Spizizen, John, et al.. (1958). Preparation and properties of protoplasts of Rhodospirillum rubrum. Biochimica et Biophysica Acta. 29(3). 649–650. 29 indexed citations
19.
Spizizen, John. (1958). TRANSFORMATION OF BIOCHEMICALLY DEFICIENT STRAINS OF BACILLUS SUBTILIS BY DEOXYRIBONUCLEATE. Proceedings of the National Academy of Sciences. 44(10). 1072–1078. 1576 indexed citations breakdown →
20.
Spizizen, John. (1957). The effect of virus infection on pyruvate metabolism. Biochimica et Biophysica Acta. 23(2). 333–341. 9 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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