Klaus Apel

30.3k total citations · 4 hit papers
178 papers, 23.7k citations indexed

About

Klaus Apel is a scholar working on Molecular Biology, Plant Science and Renewable Energy, Sustainability and the Environment. According to data from OpenAlex, Klaus Apel has authored 178 papers receiving a total of 23.7k indexed citations (citations by other indexed papers that have themselves been cited), including 156 papers in Molecular Biology, 140 papers in Plant Science and 19 papers in Renewable Energy, Sustainability and the Environment. Recurrent topics in Klaus Apel's work include Photosynthetic Processes and Mechanisms (125 papers), Plant Stress Responses and Tolerance (62 papers) and Light effects on plants (45 papers). Klaus Apel is often cited by papers focused on Photosynthetic Processes and Mechanisms (125 papers), Plant Stress Responses and Tolerance (62 papers) and Light effects on plants (45 papers). Klaus Apel collaborates with scholars based in Switzerland, Germany and United States. Klaus Apel's co-authors include Heribert Hirt, Chanhong Kim, Christophe Laloi, Holger Bohlmann, Antoine Danon, Mena Nater, Rasa Meskauskiene, Barbara van Cleve, Siegbert Melzer and Keun Pyo Lee and has published in prestigious journals such as Science, Cell and Proceedings of the National Academy of Sciences.

In The Last Decade

Klaus Apel

178 papers receiving 22.8k 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.

REACTIVE OXYGEN SPECIES: Metabolism, Oxidative Stress, and Signal Transduction

2004 8.9k citations Klaus Apel et al. profile →
Rapid Induction of Distinct Stress Responses after the Release of Singlet Oxygen in Arabidopsis[W]

2003 595 citations Dominika Przybyla, Christophe Laloi et al. The Plant Cell profile →
Transcriptomic Footprints Disclose Specificity of Reactive Oxygen Species Signaling in Arabidopsis

2006 577 citations Christophe Laloi, Klaus Apel et al. PLANT PHYSIOLOGY profile →
Reactive oxygen signalling: the latest news

2004 536 citations Christophe Laloi, Klaus Apel et al. profile →

Peers

Countries citing papers authored by Klaus Apel

Since Specialization

Citations

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

Fields of papers citing papers by Klaus Apel

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Klaus Apel

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

#	Work	Indexed citations
1	A Novel Proteinase, SNOWY COTYLEDON4, Is Required for Photosynthetic Acclimation to Higher Light Intensities in Arabidopsis 2013 ·PLANT PHYSIOLOGY ·(unknown), (unknown), Dayong Fan, Yuanyuan Hu, (unknown), Shashikanth Marri, Monique Liebers, Klaus Apel, Thomas Pfannschmidt, Wah Soon Chow, Barry J. Pogson	18
2	1O2-Mediated and EXECUTER-Dependent Retrograde Plastid-to-Nucleus Signaling in Norflurazon-Treated Seedlings of Arabidopsis thaliana 2013 ·Molecular Plant ·Chanhong Kim, Klaus Apel	55
3	Chloroplasts of Arabidopsis Are the Source and a Primary Target of a Plant-Specific Programmed Cell Death Signaling Pathway 2012 ·The Plant Cell ·Chanhong Kim, Rasa Meskauskiene, Shengrui Zhang, Keun Pyo Lee, (unknown), (unknown), Cornelia Herrfurth, Ivo Feußner, Klaus Apel	185
4	Cryptochrome-1-dependent execution of programmed cell death induced by singlet oxygen in Arabidopsis thaliana 2006 ·Proceedings of the National Academy of Sciences ·Antoine Danon, Núria S. Coll, Klaus Apel	101
5	Cross-talk between singlet oxygen- and hydrogen peroxide-dependent signaling of stress responses in Arabidopsis thaliana 2006 ·Proceedings of the National Academy of Sciences ·Christophe Laloi, Monika Stachowiak, Emilia Pers‐Kamczyc, Ewelina Warzych, Irene Murgia, Klaus Apel	249
6	A genetic approach towards elucidating the biological activity of different reactive oxygen species in Arabidopsis thaliana 2006 ·Journal of Experimental Botany ·Christophe Laloi, Dominika Przybyla, Klaus Apel	58
7	The Genetic Basis of Singlet OxygenInduced Stress Responses of Arabidopsis thaliana 2004 ·Science ·(unknown), Dominika Przybyla, (unknown), Chanhong Kim, Frank Landgraf, Keun Pyo Lee, (unknown), Christophe Laloi, Mena Nater, Éva Hideg, Klaus Apel	494
8	PHYTOCHROME-INTERACTING FACTOR 1 Is a Critical bHLH Regulator of Chlorophyll Biosynthesis 2004 ·Science ·Enamul Huq, Bassem Al‐Sady, Matthew E. Hudson, Chanhong Kim, Klaus Apel, Peter H. Quail	415
9	Concurrent activation of cell death‐regulating signaling pathways by singlet oxygen in Arabidopsis thaliana 2004 ·The Plant Journal ·Antoine Danon, Otto Miersch, Georg Felix, (unknown), Klaus Apel	162
10	Substrate-Dependent and Organ-Specific Chloroplast Protein Import in Planta 2003 ·The Plant Cell ·Chanhong Kim, Klaus Apel	60
11	Evolution of Chlorophyll Biosynthesis—The Challenge to Survive Photooxidation 1996 ·Cell ·Steffen Reinbothe, Christiane Reinbothe, Klaus Apel, Nikolai Lebedev	110
12	A novel fingerprint method for analyzing the expression of complex multigene families of very low transcript abundance 1993 ·The Plant Journal ·(unknown), Klaus Apel	2
13	A novel fingerprint method for analyzing the expression of complex multigene families of very low transcript abundance 1993 ·The Plant Journal ·(unknown), Klaus Apel	11
14	Evidence for a general light-dependent negative control of NADPH-protochlorophyllide oxidoreductase in angiosperms 1991 ·Planta ·Christoph Forreiter, Barbara van Cleve, (unknown), Klaus Apel	62
15	Isolation and characterization of cDNAs encoding viscotoxins of mistletoe (Viscum album) 1991 ·European Journal of Biochemistry ·(unknown), Klaus Apel	32
16	The effect of chemical stress on the polypeptide composition of the intercellular fluid of barley leaves 1989 ·Planta ·Ruth M. Fischer, (unknown), Klaus Apel	24
17	Nucleotide sequence of a cDNA coding for the NADPH-protochlorophyllide oxidoreductase (PCR) of barley (Hordeum vulgare L.) and its expression inEscherichia coli 1989 ·Molecular and General Genetics MGG ·Rüdiger Schulz, Klaus Steinmüller, Manfred Klaas, Christoph Forreiter, Søren K. Rasmussen, (unknown), Klaus Apel	97
18	Protein bodies in ray cells of Populus x canadensis Moench ‘robusta’ 1988 ·Planta ·Jörg J. Sauter, Barbara van Cleve, Klaus Apel	59
19	The distribution of NADPH-protochlorophyllide oxidoreductase in relation to chlorophyll accumulation along the barley leaf gradient 1983 ·Planta ·Katayoon Dehesh, (unknown), Klaus Apel, Klaus Kloppstech	16
20	The effect of light on the biosynthesis of the light-harvesting chlorophyll a/b protein 1980 ·Planta ·Klaus Apel, Klaus Kloppstech	120

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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