David B. Knaff

8.6k total citations · 1 hit paper
212 papers, 6.5k citations indexed

About

David B. Knaff is a scholar working on Molecular Biology, Plant Science and Renewable Energy, Sustainability and the Environment. According to data from OpenAlex, David B. Knaff has authored 212 papers receiving a total of 6.5k indexed citations (citations by other indexed papers that have themselves been cited), including 189 papers in Molecular Biology, 68 papers in Plant Science and 49 papers in Renewable Energy, Sustainability and the Environment. Recurrent topics in David B. Knaff's work include Photosynthetic Processes and Mechanisms (153 papers), Metal-Catalyzed Oxygenation Mechanisms (38 papers) and Photoreceptor and optogenetics research (33 papers). David B. Knaff is often cited by papers focused on Photosynthetic Processes and Mechanisms (153 papers), Metal-Catalyzed Oxygenation Mechanisms (38 papers) and Photoreceptor and optogenetics research (33 papers). David B. Knaff collaborates with scholars based in United States, France and Switzerland. David B. Knaff's co-authors include Masakazu Hirasawa, Daniel I. Arnon, Richard Malkin, Emmanuelle Issakidis‐Bourguet, William Cramer, Valérie Collin, Victor L. Davidson, Myroslawa Miginiac‐Maslow, Sung‐Kun Kim and Akira Suzuki and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of the American Chemical Society and Journal of Biological Chemistry.

In The Last Decade

David B. Knaff

211 papers receiving 6.3k citations

Hit Papers

Anoxygenic photosynthetic bacteria 1996 2026 2006 2016 1996 200 400 600
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. Anoxygenic photosynthetic bacteria
    1996 658 citations David B. Knaff Photosynthesis Research profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
David B. Knaff United States 39 5.2k 1.6k 1.4k 964 673 212 6.5k
Archie R. Portis United States 53 6.1k 1.2× 5.1k 3.3× 2.2k 1.5× 578 0.6× 663 1.0× 98 11.0k
Michael A. Cusanovich United States 44 4.9k 0.9× 563 0.4× 1.0k 0.7× 744 0.8× 1.6k 2.4× 221 6.6k
Terrance E. Meyer United States 39 3.5k 0.7× 434 0.3× 960 0.7× 595 0.6× 1.1k 1.6× 135 4.9k
Daniel I. Arnon United States 52 6.6k 1.3× 2.9k 1.9× 2.9k 2.0× 630 0.7× 1.2k 1.8× 170 9.3k
Günter Hauska Germany 37 3.6k 0.7× 588 0.4× 939 0.7× 331 0.3× 812 1.2× 98 4.1k
Stuart J. Ferguson United Kingdom 57 6.8k 1.3× 816 0.5× 1.5k 1.1× 737 0.8× 620 0.9× 300 11.2k
M.C.W. Evans United Kingdom 44 4.7k 0.9× 720 0.5× 1.4k 1.0× 810 0.8× 1.6k 2.4× 193 6.8k
Peter R. Rich United Kingdom 45 5.2k 1.0× 1.0k 0.7× 589 0.4× 562 0.6× 1.5k 2.2× 199 6.7k
Simon de Vries Netherlands 44 4.4k 0.8× 385 0.2× 732 0.5× 967 1.0× 302 0.4× 107 7.4k
Martha Ludwig United States 53 5.8k 1.1× 1.5k 1.0× 1.1k 0.8× 1.3k 1.3× 218 0.3× 153 9.1k

Countries citing papers authored by David B. Knaff

Since Specialization
Citations

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

Fields of papers citing papers by David B. Knaff

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by David B. Knaff. 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 David B. Knaff. The network helps show where David B. Knaff may publish in the future.

Co-authorship network of co-authors of David B. Knaff

This figure shows the co-authorship network connecting the top 25 collaborators of David B. Knaff. A scholar is included among the top collaborators of David B. Knaff 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 David B. Knaff. David B. Knaff 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.
Hirasawa, Masakazu, R. Bryan Sutton, Masoud Zabet‐Moghaddam, et al.. (2014). A loop unique to ferredoxin-dependent glutamate synthases is not absolutely essential for ferredoxin-dependent catalytic activity. Photosynthesis Research. 123(2). 129–139. 3 indexed citations
2.
Murrey, Darren, et al.. (2012). The flavoprotein Cyc2p, a mitochondrial cytochrome c assembly factor, is a NAD(P)H‐dependent haem reductase. Molecular Microbiology. 83(5). 968–980. 14 indexed citations
3.
Hirasawa, Masakazu, et al.. (2009). The Interaction of Spinach Nitrite Reductase with Ferredoxin: A Site-Directed Mutation Study. Molecular Plant. 2(3). 407–415. 20 indexed citations
4.
Koh, Cha San, Nicolas Navrot, Claude Didierjean, et al.. (2008). An Atypical Catalytic Mechanism Involving Three Cysteines of Thioredoxin. Journal of Biological Chemistry. 283(34). 23062–23072. 32 indexed citations
5.
Navrot, Nicolas, Valérie Collin, José M. Gualberto, et al.. (2006). Plant Glutathione Peroxidases Are Functional Peroxiredoxins Distributed in Several Subcellular Compartments and Regulated during Biotic and Abiotic Stresses. PLANT PHYSIOLOGY. 142(4). 1364–1379. 290 indexed citations
6.
Kim, Sung‐Kun, et al.. (2006). Redox properties of the Rhodobacter sphaeroides transcriptional regulatory proteins PpsR and AppA. Photosynthesis Research. 89(2-3). 89–98. 16 indexed citations
7.
Kim, Sung‐Kun, Masakazu Hirasawa, Richard C. Conover, et al.. (2005). The interaction of 5′-adenylylsulfate reductase from Pseudomonas aeruginosa with its substrates. Biochimica et Biophysica Acta (BBA) - Bioenergetics. 1710(2-3). 103–112. 18 indexed citations
8.
Hirasawa, Masakazu, Masato Nakayama, Toshiharu Hase, & David B. Knaff. (2003). Oxidation-reduction properties of maize ferredoxin:sulfite oxidoreductase. Biochimica et Biophysica Acta (BBA) - Bioenergetics. 1608(2-3). 140–148. 20 indexed citations
9.
Hirasawa, Masakazu, Luis M. Rubio, Enrique Flores, et al.. (2003). Complex formation between ferredoxin and Synechococcus ferredoxin:nitrate oxidoreductase. Biochimica et Biophysica Acta (BBA) - Bioenergetics. 1608(2-3). 155–162. 21 indexed citations
10.
Li, Jun, Élisabeth Darrouzet, Ish K. Dhawan, et al.. (2002). Spectroscopic and oxidation–reduction properties of Rhodobacter capsulatus cytochrome c1 and its M183K and M183H variants. Biochimica et Biophysica Acta (BBA) - Bioenergetics. 1556(2-3). 175–186. 11 indexed citations
11.
Schürmann, Peter, Yves Balmer, Masakazu Hirasawa, et al.. (2001). Effects of mutations of the cysteines in the regulatory loop on structure and activity of chloroplast fructose-1,6-bisphosphatase (FBPase). Science Access. 3(1). 1 indexed citations
12.
Knaff, David B., et al.. (1998). Pal-Like Protein Present in Chromatium vinosum. TURKISH JOURNAL OF BIOLOGY. 22(4). 389–396. 1 indexed citations
13.
Krimm, Isabelle, Stéphane D. Lemaire, Éric Ruelland, et al.. (1998). The single mutation Trp35←Ala in the 35−40 redox site of Chlamydomonas reinhardtii thioredoxin h affects its biochemical activity and the pH dependence of C36−C39 1H‐13C NMR. European Journal of Biochemistry. 255(1). 185–195. 53 indexed citations
14.
Hirasawa, Masakazu, et al.. (1995). The effect of N-bromosuccinimide on ferredoxin: NADP+ oxidoreductase. Archives of Biochemistry and Biophysics. 320(2). 280–288. 2 indexed citations
15.
Salamon, Zdzislaw, et al.. (1995). The oxidation-reduction properties of spinach thioredoxins f and m and of ferredoxin:thioredoxin reductase. Biochimica et Biophysica Acta (BBA) - Bioenergetics. 1230(3). 114–118. 26 indexed citations
16.
Knaff, David B., et al.. (1991). Reaction of cytochrome c2 with photosynthetic reaction centers from Rhodopseudomonas viridis. Biochemistry. 30(5). 1303–1310. 45 indexed citations
17.
Hirasawa, Masakazu, et al.. (1991). The interaction of ferredoxin and glutamate synthase: Cross-linking and immunological studies. Archives of Biochemistry and Biophysics. 286(1). 171–177. 18 indexed citations
18.
Davidson, Michael W., Kevin A. Gray, David B. Knaff, & Terry A. Krulwich. (1988). Purification and characterization of two soluble cytochromes from the alkalophile Bacillus firmus RAB. Biochimica et Biophysica Acta (BBA) - Bioenergetics. 933(3). 470–477. 20 indexed citations
19.
Hirasawa, Masakazu, et al.. (1988). Evidence for the presence of a [2Fe-2S] ferredoxin in bean sprouts. Biochimica et Biophysica Acta (BBA) - Bioenergetics. 934(2). 169–176. 14 indexed citations
20.
Davidson, Victor L. & David B. Knaff. (1982). Properties of a Potassium/Proton Antiport in the Photosynthetic Bacterium Chromatium Vinosum. Photobiochemistry and photobiophysics.. 3(3). 167–174. 6 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Archie R. Portis Breakdown of academic impact, for papers by Michael A. Cusanovich Breakdown of academic impact, for papers by Terrance E. Meyer Breakdown of academic impact, for papers by Daniel I. Arnon Breakdown of academic impact, for papers by Günter Hauska Breakdown of academic impact, for papers by Stuart J. Ferguson Breakdown of academic impact, for papers by M.C.W. Evans Breakdown of academic impact, for papers by Peter R. Rich Breakdown of academic impact, for papers by Simon de Vries Breakdown of academic impact, for papers by Martha Ludwig
Rankless by CCL
2026