Karen E. Gerhardt

2.2k total citations · 1 hit paper
20 papers, 1.5k citations indexed

About

Karen E. Gerhardt is a scholar working on Plant Science, Molecular Biology and Biotechnology. According to data from OpenAlex, Karen E. Gerhardt has authored 20 papers receiving a total of 1.5k indexed citations (citations by other indexed papers that have themselves been cited), including 13 papers in Plant Science, 9 papers in Molecular Biology and 4 papers in Biotechnology. Recurrent topics in Karen E. Gerhardt's work include Photosynthetic Processes and Mechanisms (5 papers), Light effects on plants (4 papers) and bioluminescence and chemiluminescence research (3 papers). Karen E. Gerhardt is often cited by papers focused on Photosynthetic Processes and Mechanisms (5 papers), Light effects on plants (4 papers) and bioluminescence and chemiluminescence research (3 papers). Karen E. Gerhardt collaborates with scholars based in Canada. Karen E. Gerhardt's co-authors include Bruce M. Greenberg, Bernard R. Glick, Xiaodong Huang, Perry D. Gerwing, Michael Wilson, Mary Ann Fieldes, Mark A. Lampi, Wenxi Wang, Xiaoming Yu and Kenneth E. Wilson and has published in prestigious journals such as Environmental Science & Technology, PLANT PHYSIOLOGY and Environmental Toxicology and Chemistry.

In The Last Decade

Karen E. Gerhardt

20 papers receiving 1.4k 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.

Phytoremediation and rhizoremediation of organic soil contaminants: Potential and challenges

2008 635 citations Karen E. Gerhardt, Xiaodong Huang et al. Plant Science profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Karen E. Gerhardt Canada	15	715	620	269	196	186	20	1.5k
O. V. Turkovskaya Russia	24	734 1.0×	953 1.5×	232 0.9×	323 1.6×	217 1.2×	79	1.6k
Hong-Gyu Song South Korea	20	672 0.9×	545 0.9×	235 0.9×	282 1.4×	143 0.8×	58	1.3k
Lee A. Newman United States	20	627 0.9×	772 1.2×	295 1.1×	265 1.4×	96 0.5×	31	1.9k
Qixing Zhou China	21	820 1.1×	766 1.2×	130 0.5×	182 0.9×	104 0.6×	44	1.5k
Erika Nehnevajova Germany	13	1.0k 1.4×	636 1.0×	214 0.8×	101 0.5×	68 0.4×	17	1.5k
Andon Vassilev Bulgaria	18	1.4k 2.0×	824 1.3×	188 0.7×	116 0.6×	83 0.4×	56	2.1k
Unai Artetxe Spain	22	681 1.0×	336 0.5×	290 1.1×	113 0.6×	170 0.9×	35	1.3k
Naveen Singh India	27	786 1.1×	683 1.1×	174 0.6×	379 1.9×	165 0.9×	130	2.1k
Haiyan Yuan China	23	995 1.4×	528 0.9×	406 1.5×	191 1.0×	186 1.0×	81	2.1k
Massimo Zacchini Italy	27	1.5k 2.1×	792 1.3×	326 1.2×	169 0.9×	97 0.5×	69	2.3k

Countries citing papers authored by Karen E. Gerhardt

Since Specialization

Citations

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

Fields of papers citing papers by Karen E. Gerhardt

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karen E. Gerhardt. 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 Karen E. Gerhardt. The network helps show where Karen E. Gerhardt may publish in the future.

Co-authorship network of co-authors of Karen E. Gerhardt

This figure shows the co-authorship network connecting the top 25 collaborators of Karen E. Gerhardt. A scholar is included among the top collaborators of Karen E. Gerhardt 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 Karen E. Gerhardt. Karen E. Gerhardt 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

Gerhardt, Karen E., Perry D. Gerwing, & Bruce M. Greenberg. (2016). Opinion: Taking phytoremediation from proven technology to accepted practice. Plant Science. 256. 170–185. 217 indexed citations

Gerhardt, Karen E., Xiaodong Huang, Xiaoming Yu, et al.. (2013). Plant Growth-Promoting Bacteria Facilitate the Growth of Barley and Oats in Salt-Impacted Soil: Implications for Phytoremediation of Saline Soils. International Journal of Phytoremediation. 16(11). 1133–1147. 114 indexed citations

Wang, Wenxi, et al.. (2009). Examination of the Mechanism of Phenanthrenequinone Toxicity To Vibrio Fischeri: Evidence for a Reactive Oxygen Species-Mediated Toxicity Mechanism. Environmental Toxicology and Chemistry. 28(8). 1655–1662. 24 indexed citations

Wang, Wenxi, et al.. (2009). Three Year Field Test of a Plant Growth Promoting Rhizobacteria Enhanced Phytoremediation System at a Land Farm for Treatment of Hydrocarbon Waste. Environmental Science & Technology. 43(12). 4472–4479. 107 indexed citations

Gerhardt, Karen E., Mark A. Lampi, & Bruce M. Greenberg. (2008). The Effects of Far‐red Light on Plant Growth and Flavonoid Accumulation in Brassica napus in the Presence of Ultraviolet B Radiation. Photochemistry and Photobiology. 84(6). 1445–1454. 52 indexed citations

Wang, Wenxi, Mark A. Lampi, Xiaodong Huang, et al.. (2008). Assessment of mixture toxicity of copper, cadmium, and phenanthrenequinone to the marine bacterium Vibrio fischeri. Environmental Toxicology. 24(2). 166–177. 47 indexed citations

Gerhardt, Karen E., Xiaodong Huang, Bernard R. Glick, & Bruce M. Greenberg. (2008). Phytoremediation and rhizoremediation of organic soil contaminants: Potential and challenges. Plant Science. 176(1). 20–30. 635 indexed citations breakdown →

Greenberg, Bruce M., et al.. (2006). Successful field tests of a multi-process phytoremediation system for decontamination of persistent petroleum and organic contaminants. OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information). 8 indexed citations

Gerhardt, Karen E., et al.. (2006). The role of ACC deaminase in facilitating the phytoremediation of organics, metals and salt.. 61–73. 9 indexed citations

10.

Gerhardt, Karen E., Michael Wilson, & Bruce M. Greenberg. (2004). Ultraviolet Wavelength Dependence of Photomorphological and Photosynthetic Responses in Brassica napus and Arabidopsis thaliana. Photochemistry and Photobiology. 81(5). 1061–1068. 16 indexed citations

11.

Fieldes, Mary Ann & Karen E. Gerhardt. (2001). Developmental and genetic regulation of ß-glucosidase (linamarase) activity in flax seedlings. Journal of Plant Physiology. 158(8). 977–989. 6 indexed citations

12.

Gerhardt, Karen E. & Mary Ann Fieldes. (1999). Charge and molecular weight differences for fourteen guaiacol peroxidase isozymes in flax indicate that most are encoded by different structural genes. Electrophoresis. 20(10). 1939–1945. 4 indexed citations

13.

Gerhardt, Karen E., Michael Wilson, & Bruce M. Greenberg. (1999). Tryptophan Photolysis Leads to a UVB-Induced 66 kDa Photoproduct of Ribulose-1,5-Bisphosphate Carboxylase/Oxygenase (Rubisco) In Vitro and In Vivo. Photochemistry and Photobiology. 70(1). 49–49. 14 indexed citations

14.

Gerhardt, Karen E., Michael Wilson, & Bruce M. Greenberg. (1999). Tryptophan Photolysis Leads to a UVB‐lnduced 66 kDa Photoproduct of Ribulose‐1,5 Bisphosphate Carboxylase/Oxygenase (Rubisco) In Vitro and In Vivo. Photochemistry and Photobiology. 70(1). 49–56. 52 indexed citations

15.

Fieldes, Mary Ann & Karen E. Gerhardt. (1998). Flax guaiacol peroxidases can be used to illustrate the possibility of misinterpreting the effects of stress on the activity of developmentally regulated enzymes. Plant Science. 132(1). 89–99. 14 indexed citations

16.

Fieldes, Mary Ann & Karen E. Gerhardt. (1998). Apparent Differences in the Posttranslational Modification of Peroxidase between Flax Genotrophs and Genotypes and between Normal and Stress- Induced Isozymes. International Journal of Plant Sciences. 159(3). 504–512. 4 indexed citations

17.

Greenberg, Bruce M., Michael Wilson, Karen E. Gerhardt, & Kenneth E. Wilson. (1996). Morphological and Physiological Responses of Brassica napus to Ultraviolet-B Radiation: Photomodification of Ribulose-1,5-bisphosphate Carboxylase/Oxygenase and Potential Acclimation Processes. Journal of Plant Physiology. 148(1-2). 78–85. 55 indexed citations

18.

Wilson, Michael, S.K. Ghosh, Karen E. Gerhardt, et al.. (1995). In Vivo Photomodification of Ribulose-1,5-Bisphosphate Carboxylase/Oxygenase Holoenzyme by Ultraviolet-B Radiation (Formation of a 66-Kilodalton Variant of the Large Subunit). PLANT PHYSIOLOGY. 109(1). 221–229. 55 indexed citations

19.

Fieldes, Mary Ann & Karen E. Gerhardt. (1994). An examination of the β‐glucosidase (linamarase) banding pattern in flax seedlings using ferguson plots and sodium dodecyl sulphate‐polyacrylamide gel electrophoresis. Electrophoresis. 15(1). 654–661. 15 indexed citations

20.

Fieldes, Mary Ann & Karen E. Gerhardt. (1994). Effects of Zn on flax seedlings: differences in the response of the cationic and anionic isozymes of peroxidase. Plant Science. 96(1-2). 1–13. 14 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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