Pekka Varmanen

4.2k total citations · 2 hit papers
73 papers, 3.2k citations indexed

About

Pekka Varmanen is a scholar working on Molecular Biology, Food Science and Genetics. According to data from OpenAlex, Pekka Varmanen has authored 73 papers receiving a total of 3.2k indexed citations (citations by other indexed papers that have themselves been cited), including 48 papers in Molecular Biology, 34 papers in Food Science and 16 papers in Genetics. Recurrent topics in Pekka Varmanen's work include Probiotics and Fermented Foods (30 papers), Genomics and Phylogenetic Studies (15 papers) and Bacterial Genetics and Biotechnology (15 papers). Pekka Varmanen is often cited by papers focused on Probiotics and Fermented Foods (30 papers), Genomics and Phylogenetic Studies (15 papers) and Bacterial Genetics and Biotechnology (15 papers). Pekka Varmanen collaborates with scholars based in Finland, United States and Denmark. Pekka Varmanen's co-authors include Kirsi Savijoki, Hanne Ingmer, Dorte Frees, Airi Palva, Tuula A. Nyman, Vieno Piironen, Bhawani Chamlagain, Kerttu Koskenniemi, Nisse Kalkkinen and Soile Tynkkynen and has published in prestigious journals such as Applied and Environmental Microbiology, Journal of Cleaner Production and Scientific Reports.

In The Last Decade

Pekka Varmanen

72 papers receiving 3.1k 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.

Stress Physiology of Lactic Acid Bacteria

2016 566 citations Konstantinos Papadimitriou, Ángel Alegría et al. Microbiology and Molecular Biology Reviews profile →
Proteolytic systems of lactic acid bacteria

2006 521 citations Kirsi Savijoki, Hanne Ingmer et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Pekka Varmanen Finland	31	2.0k	1.9k	780	390	377	73	3.2k
Vicente Monedero Spain	36	1.6k 0.8×	1.4k 0.7×	961 1.2×	329 0.8×	734 1.9×	113	3.3k
Véronique Monnet France	34	2.2k 1.1×	1.5k 0.8×	438 0.6×	377 1.0×	433 1.1×	81	3.2k
Igor Mierau Netherlands	21	1.7k 0.8×	1.6k 0.8×	654 0.8×	431 1.1×	457 1.2×	32	2.8k
Maarten van de Guchte France	23	1.8k 0.9×	2.1k 1.1×	738 0.9×	396 1.0×	577 1.5×	32	2.9k
Jean-Christophe Piard France	27	1.6k 0.8×	1.9k 1.0×	780 1.0×	562 1.4×	231 0.6×	50	2.9k
Kirsi Savijoki Finland	26	1.7k 0.8×	1.3k 0.7×	458 0.6×	259 0.7×	288 0.8×	72	2.5k
R. David Pridmore Switzerland	23	2.4k 1.2×	1.7k 0.9×	970 1.2×	277 0.7×	571 1.5×	29	3.6k
Christian Chervaux France	17	1.6k 0.8×	1.5k 0.8×	547 0.7×	264 0.7×	370 1.0×	23	2.4k
Tamara Smokvina France	22	1.7k 0.9×	1.4k 0.8×	499 0.6×	303 0.8×	357 0.9×	34	2.6k
Paloma López Spain	36	2.1k 1.1×	2.0k 1.1×	1.4k 1.8×	467 1.2×	815 2.2×	135	4.1k

Countries citing papers authored by Pekka Varmanen

Since Specialization

Citations

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

Fields of papers citing papers by Pekka Varmanen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Pekka Varmanen

This figure shows the co-authorship network connecting the top 25 collaborators of Pekka Varmanen. A scholar is included among the top collaborators of Pekka Varmanen 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 Pekka Varmanen. Pekka Varmanen 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

Estivi, Lorenzo, Bhawani Chamlagain, Minnamari Edelmann, et al.. (2025). By-product of green pea canning as a substrate for Propionibacterium freudenreichii fermentation to fortify bread with vitamin B12. Future Foods. 12. 100755–100755. 1 indexed citations

Deptula, Paulina, Bhawani Chamlagain, Minnamari Edelmann, et al.. (2024). Aerobic adaptation and metabolic dynamics of Propionibacterium freudenreichii DSM 20271: insights from comparative transcriptomics and surfaceome analysis. mSystems. 9(10). e0061524–e0061524. 6 indexed citations

Greis, Maija, et al.. (2024). Two-step fermentation to produce vitamin B12 containing beer using Propionibacterium freudenreichii and yeast. Food Bioscience. 63. 105807–105807. 4 indexed citations

Chamlagain, Bhawani, Minnamari Edelmann, A. Siitonen, et al.. (2024). Fermentation of faba bean flour as a pre-treatment in high-moisture extrusion for simultaneous fortification of vitamin B12 and reduction of raffinose oligosaccharides in meat analogues. Future Foods. 10. 100518–100518. 5 indexed citations

Varmanen, Pekka, et al.. (2023). Food by-product valorisation in nutrients through spent brewer's yeast bioprocessing with Propionibacterium freudenreichii. Journal of Cleaner Production. 434. 140102–140102. 11 indexed citations

Perković, Ivana, et al.. (2023). Synthesis and Biological Evaluation of New Quinoline and Anthranilic Acid Derivatives as Potential Quorum Sensing Inhibitors. Molecules. 28(15). 5866–5866. 5 indexed citations

Savijoki, Kirsi, Minnamari Edelmann, Ilkka Miettinen, et al.. (2022). Food-Grade Bacteria Combat Pathogens by Blocking AHL-Mediated Quorum Sensing and Biofilm Formation. Foods. 12(1). 90–90. 9 indexed citations

Savijoki, Kirsi, Ilkka Miettinen, Tuula A. Nyman, et al.. (2020). Growth Mode and Physiological State of Cells Prior to Biofilm Formation Affect Immune Evasion and Persistence of Staphylococcus aureus. Microorganisms. 8(1). 106–106. 17 indexed citations

Ojala, Teija, Andrew Lindford, Kirsi Savijoki, et al.. (2020). Metatranscriptomic assessment of burn wound infection clearance. Clinical Microbiology and Infection. 27(1). 144–146. 7 indexed citations

10.

Savijoki, Kirsi, Tuula A. Nyman, Veera Kainulainen, et al.. (2019). Growth Mode and Carbon Source Impact the Surfaceome Dynamics of Lactobacillus rhamnosus GG. Frontiers in Microbiology. 10. 1272–1272. 31 indexed citations

11.

Papadimitriou, Konstantinos, Ángel Alegría, Peter A. Bron, et al.. (2016). Stress Physiology of Lactic Acid Bacteria. Microbiology and Molecular Biology Reviews. 80(3). 837–890. 566 indexed citations breakdown →

12.

Savijoki, Kirsi, et al.. (2014). A Streptococcus uberis transposon mutant screen reveals a negative role for LiaR homologue in biofilm formation. Journal of Applied Microbiology. 118(1). 1–10. 5 indexed citations

13.

Varmanen, Pekka, et al.. (2014). Comparative Exoprotein Profiling of Different Staphylococcus epidermidis Strains Reveals Potential Link between Nonclassical Protein Export and Virulence. Journal of Proteome Research. 13(7). 3249–3261. 16 indexed citations

14.

Laakso, Kati, Kerttu Koskenniemi, Johanna Koponen, et al.. (2011). Growth phase‐associated changes in the proteome and transcriptome of Lactobacillus rhamnosus GG in industrial‐type whey medium. Microbial Biotechnology. 4(6). 746–766. 61 indexed citations

15.

Koskenniemi, Kerttu, Johanna Koponen, Matti Kankainen, et al.. (2009). Proteome Analysis of Lactobacillus rhamnosus GG Using 2-D DIGE and Mass Spectrometry Shows Differential Protein Production in Laboratory and Industrial-Type Growth Media. Journal of Proteome Research. 8(11). 4993–5007. 48 indexed citations

16.

Varmanen, Pekka, et al.. (2007). Lactobacillus plantarum for oral peptide delivery. Oral Microbiology and Immunology. 22(2). 140–144. 9 indexed citations

17.

Frees, Dorte, Kirsi Savijoki, Pekka Varmanen, & Hanne Ingmer. (2007). Clp ATPases and ClpP proteolytic complexes regulate vital biological processes in low GC, Gram‐positive bacteria. Molecular Microbiology. 63(5). 1285–1295. 233 indexed citations

18.

Savijoki, Kirsi, Hanne Ingmer, Dorte Frees, et al.. (2003). Heat and DNA damage induction of the LexA‐like regulator HdiR from Lactococcus lactis is mediated by RecA and ClpP. Molecular Microbiology. 50(2). 609–621. 41 indexed citations

19.

Varmanen, Pekka, Terhi Rantanen, & Airi Palva. (1996). An operon from Lactobacillus helveticus composed of a proline iminopeptidase gene (pepl) and two genes coding for putative members of the ABC transporter family of proteins. Microbiology. 142(12). 3459–3468. 32 indexed citations

20.

Varmanen, Pekka, et al.. (1994). Characterization and Expression of the Lactobacillus helveticus pepC Gene Encoding a General Aminopeptidase. European Journal of Biochemistry. 224(3). 991–997. 37 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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