Ole Andreas Økstad

5.1k total citations · 1 hit paper
49 papers, 3.2k citations indexed

About

Ole Andreas Økstad is a scholar working on Molecular Biology, Genetics and Ecology. According to data from OpenAlex, Ole Andreas Økstad has authored 49 papers receiving a total of 3.2k indexed citations (citations by other indexed papers that have themselves been cited), including 40 papers in Molecular Biology, 23 papers in Genetics and 19 papers in Ecology. Recurrent topics in Ole Andreas Økstad's work include Bacillus and Francisella bacterial research (30 papers), Bacterial Genetics and Biotechnology (20 papers) and Bacteriophages and microbial interactions (19 papers). Ole Andreas Økstad is often cited by papers focused on Bacillus and Francisella bacterial research (30 papers), Bacterial Genetics and Biotechnology (20 papers) and Bacteriophages and microbial interactions (19 papers). Ole Andreas Økstad collaborates with scholars based in Norway, France and United States. Ole Andreas Økstad's co-authors include Anne‐Brit Kolstø, Ida K. Hegna, Didier Lereclus, Erlendur Helgason, Nicolas J. Tourasse, Agnès Fouet, Michèle Mock, Dominique A. Caugant, Myriam Gominet and Michel Gohar and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Applied and Environmental Microbiology.

In The Last Decade

Ole Andreas Økstad

46 papers receiving 3.1k citations

Hit Papers

Bacillus anthracis , Bacillus cereus , and Bacillus thuri... 2000 2026 2008 2017 2000 250 500 750
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. Bacillus anthracis , Bacillus cereus , and Bacillus thuringiensis —One Species on the Basis of Genetic Evidence
    2000 810 citations Erlendur Helgason, Ole Andreas Økstad et al. profile →

Peers

Ole Andreas Økstad
Michel Gohar France
Anne‐Brit Kolstø Norway
Alexeï Sorokin France
Margaret C. M. Smith United Kingdom
Vincent Sanchis France
Marta Perego United States
Birgit M. Prüß United States
Gloria del Solar Spain
Annette Fagerlund Norway
Thorsten Mascher Germany
Michel Gohar France
Ole Andreas Økstad
Citations per year, relative to Ole Andreas Økstad Ole Andreas Økstad (= 1×) peers Michel Gohar

Countries citing papers authored by Ole Andreas Økstad

Since Specialization
Citations

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

Fields of papers citing papers by Ole Andreas Økstad

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ole Andreas Økstad. 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 Ole Andreas Økstad. The network helps show where Ole Andreas Økstad may publish in the future.

Co-authorship network of co-authors of Ole Andreas Økstad

This figure shows the co-authorship network connecting the top 25 collaborators of Ole Andreas Økstad. A scholar is included among the top collaborators of Ole Andreas Økstad 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 Ole Andreas Økstad. Ole Andreas Økstad 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.
Orr, Russell J. S., et al.. (2025). Skin bacterial community dynamics of hands and forearms before and after military field exercise. Microbiology Spectrum. 13(5). e0295324–e0295324.
2.
Rongved, Pål, Geir Kildahl‐Andersen, Ragnar Hovland, et al.. (2025). APC24-7, a covalent combination of boronic acid and chelator moieties, restores β-lactam efficiency against metallo-β-lactamase-producers. mSphere. 10(12). e0041825–e0041825.
3.
Hegna, Ida K., et al.. (2021). CdgL is a degenerate nucleotide cyclase domain protein affecting flagellin synthesis and motility in Bacillus thuringiensis. Research in Microbiology. 172(4-5). 103850–103850.
4.
Samuelsen, Ørjan, Christopher Fröhlich, Adam Heikal, et al.. (2020). ZN148 Is a Modular Synthetic Metallo-β-Lactamase Inhibitor That Reverses Carbapenem Resistance in Gram-Negative Pathogens In Vivo. Antimicrobial Agents and Chemotherapy. 64(6). 25 indexed citations
5.
Lindbäck, Toril, Ida K. Hegna, Nicolas J. Tourasse, et al.. (2020). MogR Is a Ubiquitous Transcriptional Repressor Affecting Motility, Biofilm Formation and Virulence in Bacillus thuringiensis. Frontiers in Microbiology. 11. 610650–610650. 10 indexed citations
6.
Heikal, Adam, et al.. (2019). Bacillus cereus biofilm formation on central venous catheters of hospitalised cardiac patients. Biofouling. 35(2). 204–216. 18 indexed citations
7.
Fagerlund, Annette, et al.. (2019). Bacillus thuringiensis CbpA is a collagen binding cell surface protein under c-di-GMP control. SHILAP Revista de lepidopterología. 5. 100032–100032. 5 indexed citations
8.
Carlson, Colin J., Wayne M. Getz, Kyrre Kausrud, et al.. (2018). Spores and soil from six sides: interdisciplinarity and the environmental biology of anthrax ( Bacillus anthracis ). Biological reviews/Biological reviews of the Cambridge Philosophical Society. 93(4). 1813–1831. 68 indexed citations
9.
Kildahl‐Andersen, Geir, Marc Le Borgne, Tor Gjøen, et al.. (2018). Synthesis and Preclinical Evaluation of TPA-Based Zinc Chelators as Metallo-β-lactamase Inhibitors. ACS Infectious Diseases. 4(9). 1407–1422. 41 indexed citations
10.
Hassan, Karl A., Annette Fagerlund, Liam D. H. Elbourne, et al.. (2017). The putative drug efflux systems of the Bacillus cereus group. PLoS ONE. 12(5). e0176188–e0176188. 33 indexed citations
11.
Fagerlund, Annette, Thomas Dubois, Ole Andreas Økstad, et al.. (2014). SinR Controls Enterotoxin Expression in Bacillus thuringiensis Biofilms. PLoS ONE. 9(1). e87532–e87532. 68 indexed citations
12.
Vik, Unni, Ramiro Logares, Rakel Blaalid, et al.. (2013). Different bacterial communities in ectomycorrhizae and surrounding soil. Scientific Reports. 3(1). 3471–3471. 69 indexed citations
13.
Haase, Chad P., Michael R. Weil, Karla D. Passalacqua, et al.. (2012). Global mRNA decay analysis at single nucleotide resolution reveals segmental and positional degradation patterns in a Gram-positive bacterium. Genome biology. 13(4). R30–R30. 44 indexed citations
14.
Papazisi, L., David A. Rasko, Jia Liu, et al.. (2011). Investigating the genome diversity of B. cereus and evolutionary aspects of B. anthracis emergence. Genomics. 98(1). 26–39. 20 indexed citations
15.
Tourasse, Nicolas J., Erlendur Helgason, Patricia Sylvestre, et al.. (2010). Extended and global phylogenetic view of the Bacillus cereus group population by combination of MLST, AFLP, and MLEE genotyping data. Food Microbiology. 28(2). 236–244. 38 indexed citations
16.
Tourasse, Nicolas J., et al.. (2010). Interspersed DNA Repeats bcr1-bcr18 of Bacillus cereus Group Bacteria Form Three Distinct Groups with Different Evolutionary and Functional Patterns. Molecular Biology and Evolution. 28(2). 963–983. 10 indexed citations
17.
Egge‐Jacobsen, Wolfgang, et al.. (2008). ORF 2 from theBacillus cereuslinear plasmid pBClin15 encodes a DNA binding protein. Letters in Applied Microbiology. 48(1). 51–57. 6 indexed citations
18.
Ravnum, Solveig, et al.. (2007). Low Concentrations of Bile Salts Induce Stress Responses and Reduce Motility inBacillus cereusATCC 14570. Journal of Bacteriology. 189(14). 5302–5313. 79 indexed citations
19.
Tourasse, Nicolas J., et al.. (2006). The Bacillus cereus group: novel aspects of population structure and genome dynamics. Journal of Applied Microbiology. 101(3). 579–593. 112 indexed citations
20.
Agaisse, Hervé, Myriam Gominet, Ole Andreas Økstad, Anne‐Brit Kolstø, & Didier Lereclus. (1999). PlcR is a pleiotropic regulator of extracellular virulence factor gene expression in Bacillus thuringiensis. Molecular Microbiology. 32(5). 1043–1053. 250 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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