This map shows the geographic impact of Jong-Ok Ka'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 Jong-Ok Ka with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Jong-Ok Ka more than expected).
This network shows the impact of papers produced by Jong-Ok Ka. 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 Jong-Ok Ka. The network helps show where Jong-Ok Ka may publish in the future.
Co-authorship network of co-authors of Jong-Ok Ka
This figure shows the co-authorship network connecting the top 25 collaborators of Jong-Ok Ka.
A scholar is included among the top collaborators of Jong-Ok Ka 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 Jong-Ok Ka. Jong-Ok Ka is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Ahn, Jae-Hyung, et al.. (2006). Improvement of PCR Amplification Bias for Community Structure Analysis of Soil Bacteria by Denaturing Gradient Gel Electrophoresis. Journal of Microbiology and Biotechnology. 16(10). 1561–1569.15 indexed citations
Ka, Jong-Ok, et al.. (2004). Molecular Differentiation of Bacillus spp. Antagonistic Against Phytopathogenic Fungi Causing Damping-off Disease. Journal of Microbiology and Biotechnology. 14(3). 599–606.3 indexed citations
9.
Ka, Jong-Ok, et al.. (2003). Genetic and Phenotypic Diversity of Dichlorprop-Degrading Bacteria Isolated from Soils. The Journal of Microbiology. 41(1). 7–15.12 indexed citations
10.
Lee, Jeong-Soon, et al.. (2003). Structural Analysis of the fcbABC Gene Cluster Responsible for Hydrolytic Dechlorination of 4-Chlorobenzoate from pJS1 Plasmid of Comamonas sp. P08. The Journal of Microbiology. 41(2). 89–94.1 indexed citations
11.
Park, In‐Hyun & Jong-Ok Ka. (2003). Isolation and characterization of 4-(2,4-dichlorophenoxy)butyric acid-degrading bacteria from agricultural soils. Journal of Microbiology and Biotechnology. 13(2). 243–250.10 indexed citations
Ka, Jong-Ok, et al.. (1998). Isolation and Characterization of 2, 4-Dichlorophenoxyacetic Acid-degrading Bacteria from Paddy Soils. The Journal of Microbiology. 36(4). 256–261.13 indexed citations
14.
Lee, Na‐Ri, Young‐Chang Kim, Chi-Kyung Kim, et al.. (1998). Extradiol cleavage of two-ring structures of biphenyl and indole oxidation by biphenyl dioxygenase in Commamonas acidovorans. Journal of Microbiology and Biotechnology. 8(3). 264–269.5 indexed citations
15.
Ka, Jong-Ok, et al.. (1997). Characteristics of Catechol 2,3-Dioxygenase Produced by 4-Chlorobenzoate-degrading Pseudomonas sp. S-47. The Journal of Microbiology. 35(4). 295–299.11 indexed citations
16.
Ka, Jong-Ok, et al.. (1997). Isolation and Characterization of 4-Chlorophenoxyacetic Acid-Degrading Bacteria from Agricultural Soils. The Journal of Microbiology. 35(2). 117–122.1 indexed citations
17.
Lee, Na‐Ri, et al.. (1997). Characterization of Biphenyl Biodegradation, and Regulation of Biphenyl Catabolism in Alcaligenes xylosoxydans.. The Journal of Microbiology. 35(2). 141–148.4 indexed citations
18.
Kim, Chi-Kyung, et al.. (1996). Construction of Genetically Engineered Microorganisms for Overexpression of xylE Gene Encoding Catechol 2, 3-dioxygenase and the Functional Stability of the Recombinant Plasmid pSW3a Containing xylE in Aquatic Environment. The Journal of Microbiology. 34(4). 341–348.4 indexed citations
19.
Lee, Yin‐Won, et al.. (1996). Fate of Genetically Engineered 2, 4-D-Degrading Microorganisms in Natural Soils and Waters. The Journal of Microbiology. 34(4). 320–326.1 indexed citations
20.
Ahn, Young‐Joon, et al.. (1995). Effects of Genetically Different 2,4-D-degradative Plasmids on Degradation Phenotype and Competitiveness of Soil Microorganisms. The Journal of Microbiology. 33(3). 208–214.2 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.