Katja Karppinen

2.4k total citations · 1 hit paper
44 papers, 1.7k citations indexed

About

Katja Karppinen is a scholar working on Plant Science, Molecular Biology and Biochemistry. According to data from OpenAlex, Katja Karppinen has authored 44 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 33 papers in Plant Science, 29 papers in Molecular Biology and 10 papers in Biochemistry. Recurrent topics in Katja Karppinen's work include Plant Gene Expression Analysis (17 papers), Horticultural and Viticultural Research (11 papers) and Phytochemicals and Antioxidant Activities (9 papers). Katja Karppinen is often cited by papers focused on Plant Gene Expression Analysis (17 papers), Horticultural and Viticultural Research (11 papers) and Phytochemicals and Antioxidant Activities (9 papers). Katja Karppinen collaborates with scholars based in Finland, Norway and New Zealand. Katja Karppinen's co-authors include Laura Jaakola, Hely Häggman, Laura Zoratti, Ana Luengo-Escobar, Anja Hohtola, Nga Nguyen, Inger Martinussen, Richard V. Espley, Marko Suokas and Juho Hokkanen and has published in prestigious journals such as Journal of Agricultural and Food Chemistry, Scientific Reports and Food Chemistry.

In The Last Decade

Katja Karppinen

44 papers receiving 1.7k citations

Hit Papers

Light-controlled flavonoid biosynthesis in fruits 2014 2026 2018 2022 2014 100 200 300 400
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. Light-controlled flavonoid biosynthesis in fruits
    2014 405 citations Laura Zoratti, Katja Karppinen et al. Frontiers in Plant Science profile →

Peers

Katja Karppinen
José G. Vallarino Spain
Kai Feng China
Milena Cvikrová Czechia
Chaoling Wei China
Chuan Yue China
Ya Luo China
Chaoling Wei China
Yunting Zhang China
Yuling Lin China
Guo‐Fei Tan China
José G. Vallarino Spain
Katja Karppinen
Citations per year, relative to Katja Karppinen Katja Karppinen (= 1×) peers José G. Vallarino

Countries citing papers authored by Katja Karppinen

Since Specialization
Citations

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

Fields of papers citing papers by Katja Karppinen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Katja Karppinen

This figure shows the co-authorship network connecting the top 25 collaborators of Katja Karppinen. A scholar is included among the top collaborators of Katja Karppinen 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 Katja Karppinen. Katja Karppinen 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.
Bawin, Thomas, et al.. (2024). Parasitic dodder expresses an arsenal of secreted cellulases with multi-substrate specificity during host invasion. Plant Physiology and Biochemistry. 210. 108633–108633. 4 indexed citations
2.
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Lafferty, Declan, Richard V. Espley, Cecilia Deng, et al.. (2022). The Coordinated Action of MYB Activators and Repressors Controls Proanthocyanidin and Anthocyanin Biosynthesis in Vaccinium. Frontiers in Plant Science. 13. 910155–910155. 13 indexed citations
4.
Kļaviņš, Linards, Jorens Kviesis, Didzis Elferts, et al.. (2022). Temperature has a major effect on the cuticular wax composition of bilberry (Vaccinium myrtillus L.) fruit. Frontiers in Plant Science. 13. 980427–980427. 10 indexed citations
5.
Karppinen, Katja, et al.. (2022). Flavonoid biosynthesis is differentially altered in detached and attached ripening bilberries in response to spectral light quality. Frontiers in Plant Science. 13. 969934–969934. 9 indexed citations
6.
Lafferty, Declan, Richard V. Espley, Cecilia Deng, et al.. (2021). Hierarchical regulation of MYBPA1 by anthocyanin- and proanthocyanidin-related MYB proteins is conserved in Vaccinium species. Journal of Experimental Botany. 73(5). 1344–1356. 29 indexed citations
7.
Karppinen, Katja, Declan Lafferty, Nick W. Albert, et al.. (2021). MYBA and MYBPA transcription factors co‐regulate anthocyanin biosynthesis in blue‐coloured berries. New Phytologist. 232(3). 1350–1367. 78 indexed citations
8.
Nguyen, Nga, Linards Kļaviņš, Jorens Kviesis, et al.. (2021). Analysis of composition, morphology, and biosynthesis of cuticular wax in wild type bilberry (Vaccinium myrtillus L.) and its glossy mutant. Food Chemistry. 354. 129517–129517. 36 indexed citations
9.
Taulavuori, Erja, Luís Valledor, Soile Jokipii‐Lukkari, et al.. (2019). Early growth of Scots pine seedlings is affected by seed origin and light quality. Journal of Plant Physiology. 237. 120–128. 14 indexed citations
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Nguyen, Nga, Marko Suokas, Katja Karppinen, et al.. (2018). Recognition of candidate transcription factors related to bilberry fruit ripening by de novo transcriptome and qRT-PCR analyses. Scientific Reports. 8(1). 9943–9943. 13 indexed citations
12.
Karppinen, Katja, et al.. (2016). Molecular Cloning and Expression Analysis of hyp-1 Type PR-10 Family Genes in Hypericum perforatum. Frontiers in Plant Science. 7. 526–526. 16 indexed citations
13.
Karppinen, Katja, Laura Zoratti, Elisabete Carvalho, et al.. (2016). Carotenoid metabolism during bilberry (Vaccinium myrtillus L.) fruit development under different light conditions is regulated by biosynthesis and degradation. BMC Plant Biology. 16(1). 95–95. 50 indexed citations
14.
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Zoratti, Laura, Katja Karppinen, Ana Luengo-Escobar, Hely Häggman, & Laura Jaakola. (2014). Light-controlled flavonoid biosynthesis in fruits. Frontiers in Plant Science. 5. 534–534. 405 indexed citations breakdown →
16.
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Cocetta, Giacomo, Katja Karppinen, Marko Suokas, et al.. (2012). Ascorbic acid metabolism during bilberry (Vaccinium myrtillus L.) fruit development. Journal of Plant Physiology. 169(11). 1059–1065. 44 indexed citations
18.
Karppinen, Katja, Erja Taulavuori, & Anja Hohtola. (2010). Optimization of Protein Extraction from Hypericum perforatum Tissues and Immunoblotting Detection of Hyp-1 at Different Stages of Leaf Development. Molecular Biotechnology. 46(3). 219–226. 14 indexed citations
19.
Karppinen, Katja, Juho Hokkanen, Ari Tolonen, Sampo Mattila, & Anja Hohtola. (2007). Biosynthesis of hyperforin and adhyperforin from amino acid precursors in shoot cultures of Hypericum perforatum. Phytochemistry. 68(7). 1038–1045. 56 indexed citations
20.
Karppinen, Katja & Anja Hohtola. (2007). Molecular cloning and tissue-specific expression of two cDNAs encoding polyketide synthases from Hypericum perforatum. Journal of Plant Physiology. 165(10). 1079–1086. 32 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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