Hanna Koch

3.7k total citations · 2 hit papers
35 papers, 2.7k citations indexed

About

Hanna Koch is a scholar working on Ecology, Pollution and Environmental Engineering. According to data from OpenAlex, Hanna Koch has authored 35 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 26 papers in Ecology, 21 papers in Pollution and 11 papers in Environmental Engineering. Recurrent topics in Hanna Koch's work include Microbial Community Ecology and Physiology (21 papers), Wastewater Treatment and Nitrogen Removal (21 papers) and Microbial Fuel Cells and Bioremediation (11 papers). Hanna Koch is often cited by papers focused on Microbial Community Ecology and Physiology (21 papers), Wastewater Treatment and Nitrogen Removal (21 papers) and Microbial Fuel Cells and Bioremediation (11 papers). Hanna Koch collaborates with scholars based in Netherlands, Germany and Austria. Hanna Koch's co-authors include Sebastian Lücker, Holger Daims, Michael Wagner, Eva Spieck, Maartje A. H. J. van Kessel, Thomas Rattei, Frank Maixner, Craig W. Herbold, Denis Le Paslier and Éric Pelletier and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Hanna Koch

34 papers receiving 2.7k 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.

A Nitrospira metagenome illuminates the physiology and evolution of globally important nitrite-oxidizing bacteria

2010 629 citations Sebastian Lücker, Michael Wagner et al. Proceedings of the National Academy of Sciences profile →
Expanded metabolic versatility of ubiquitous nitrite-oxidizing bacteria from the genus Nitrospira

2015 393 citations Hanna Koch, Sebastian Lücker et al. Proceedings of the National Academy of Sciences profile →

Peers

Hanna Koch

POLLU

ECOLO

HTM

Maartje A. H. J. van Kessel Netherlands

Andreas Pommerening‐Röser Germany

Е. В. Лебедева Russia

Yiguo Hong China

Yuichi Suwa Japan

Anne Daebeler Austria

K.-P. Witzel Germany

Christopher J. Sedlacek Austria

K. Dimitri Kits Canada

Harry R. Harhangi Netherlands

Maartje A. H. J. van Kessel Netherlands

Hanna Koch

2.1k ×1.2

POLLU

1.6k ×1.0

ECOLO

504 ×0.9

611 ×1.2

590 ×1.2

HTM

Citations per year, relative to Hanna Koch Hanna Koch (= 1×) peers Maartje A. H. J. van Kessel

Countries citing papers authored by Hanna Koch

Since Specialization

Citations

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

Fields of papers citing papers by Hanna Koch

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hanna Koch

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Koch, Hanna, Paula Dalcin Martins, Carolina Suarez, et al.. (2025). High diversity of nitrifying bacteria and archaea in biofilms from a subsea tunnel. FEMS Microbiology Ecology. 101(5). 1 indexed citations

Koch, Hanna, Daan R. Speth, Claudia Lüke, et al.. (2025). Comparative genome analysis reveals broad phylogenetic and functional diversity within the order Nitrospirales. The ISME Journal. 19(1). 1 indexed citations

Koch, Hanna & Angela Sessitsch. (2024). The microbial-driven nitrogen cycle and its relevance for plant nutrition. Journal of Experimental Botany. 75(18). 5547–5556. 7 indexed citations

Koch, Hanna, et al.. (2024). Metabolic and phylogenetic diversity in the phylum Nitrospinota revealed by comparative genome analyses. ISME Communications. 4(1). ycad017–ycad017. 5 indexed citations

Han, Ping, Xiufeng Tang, Hanna Koch, et al.. (2024). Unveiling unique microbial nitrogen cycling and nitrification driver in coastal Antarctica. Nature Communications. 15(1). 3143–3143. 32 indexed citations

Keuter, Sabine, Hanna Koch, Boris Nowka, et al.. (2023). A novelNitrospiralineage isolated from activated sludge using elevated temperatures. FEMS Microbiology Letters. 370. 10 indexed citations

Sorokin, Dimitry Y., Т.В. Тихонова, Hanna Koch, et al.. (2023). Trichlorobacter ammonificans, a dedicated acetate-dependent ammonifier with a novel module for dissimilatory nitrate reduction to ammonia. The ISME Journal. 17(10). 1639–1648. 14 indexed citations

Koch, Hanna, Eva Spieck, Theo van Alen, et al.. (2023). Complete Genome Sequence of Nitrospina watsonii 347, Isolated from the Black Sea. Microbiology Resource Announcements. 12(4). e0007823–e0007823. 1 indexed citations

Koch, Hanna, et al.. (2022). No apparent cost of disease resistance on reproductive output in Acropora cervicornis genets used for active coral reef restoration in Florida. Frontiers in Marine Science. 9. 5 indexed citations

10.

Baker, L., Hannah Reich, Sheila A. Kitchen, et al.. (2021). The coral symbiont Candidatus Aquarickettsia is variably abundant in threatened Caribbean acroporids and transmitted horizontally. The ISME Journal. 16(2). 400–411. 16 indexed citations

11.

Lawson, Christopher E., Hanna Koch, Tyler B. Jacobson, et al.. (2021). Investigating the Chemolithoautotrophic and Formate Metabolism of Nitrospira moscoviensis by Constraint-Based Metabolic Modeling and ¹³ C-Tracer Analysis. mSystems. 6(4). e0017321–e0017321. 12 indexed citations

12.

Koch, Hanna, et al.. (2020). Enrichment and physiological characterization of a novel comammox Nitrospira indicates ammonium inhibition of complete nitrification. The ISME Journal. 15(4). 1010–1024. 166 indexed citations

13.

Poghosyan, Lianna, Hanna Koch, J. Howard Frank, et al.. (2020). Metagenomic profiling of ammonia- and methane-oxidizing microorganisms in a Dutch drinking water treatment plant. Water Research. 185. 1–15. 7 indexed citations

14.

Daebeler, Anne, Katharina Kitzinger, Hanna Koch, et al.. (2020). Exploring the upper pH limits of nitrite oxidation: diversity, ecophysiology, and adaptive traits of haloalkalitolerant Nitrospira. The ISME Journal. 14(12). 2967–2979. 64 indexed citations

15.

Koch, Hanna, Heike M. Freese, Beatriz E. Noriega‐Ortega, et al.. (2020). Genomic, metabolic and phenotypic variability shapes ecological differentiation and intraspecies interactions of Alteromonas macleodii. Scientific Reports. 10(1). 809–809. 45 indexed citations

16.

Poghosyan, Lianna, Hanna Koch, J. Howard Frank, et al.. (2020). Metagenomic profiling of ammonia- and methane-oxidizing microorganisms in two sequential rapid sand filters. Water Research. 185. 116288–116288. 55 indexed citations

17.

Koch, Hanna, Heike M. Freese, Richard L. Hahnke, Meinhard Simon, & Matthias Wietz. (2019). Adaptations of Alteromonas sp. 76-1 to Polysaccharide Degradation: A CAZyme Plasmid for Ulvan Degradation and Two Alginolytic Systems. Frontiers in Microbiology. 10. 504–504. 25 indexed citations

18.

Lawson, Christopher E., et al.. (2019). Cultivation and Transcriptional Analysis of a Canonical Nitrospira Under Stable Growth Conditions. Frontiers in Microbiology. 10. 1325–1325. 31 indexed citations

19.

Koch, Hanna, Thomas Schweder, Beatriz E. Noriega‐Ortega, et al.. (2018). Biphasic cellular adaptations and ecological implications of Alteromonas macleodii degrading a mixture of algal polysaccharides. The ISME Journal. 13(1). 92–103. 59 indexed citations

20.

Koch, Hanna, Sebastian Lücker, Mads Albertsen, et al.. (2015). Expanded metabolic versatility of ubiquitous nitrite-oxidizing bacteria from the genus Nitrospira. Proceedings of the National Academy of Sciences. 112(36). 11371–11376. 393 indexed citations breakdown →

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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