Ismo Ulmanen

7.5k total citations · 2 hit papers
98 papers, 6.0k citations indexed

About

Ismo Ulmanen is a scholar working on Molecular Biology, Genetics and Endocrinology, Diabetes and Metabolism. According to data from OpenAlex, Ismo Ulmanen has authored 98 papers receiving a total of 6.0k indexed citations (citations by other indexed papers that have themselves been cited), including 40 papers in Molecular Biology, 32 papers in Genetics and 19 papers in Endocrinology, Diabetes and Metabolism. Recurrent topics in Ismo Ulmanen's work include Adrenal Hormones and Disorders (14 papers), Viral Infections and Vectors (11 papers) and Hormonal Regulation and Hypertension (10 papers). Ismo Ulmanen is often cited by papers focused on Adrenal Hormones and Disorders (14 papers), Viral Infections and Vectors (11 papers) and Hormonal Regulation and Hypertension (10 papers). Ismo Ulmanen collaborates with scholars based in Finland, United States and United Kingdom. Ismo Ulmanen's co-authors include Carola Tilgmann, Robert M. Krug, Jyrki Taskinen, Michèle Bouloy, Stephen J. Plotch, Kenneth Lundström, Krister Melén, Jukka Tenhunen, Timo Lotta and Ilkka Julkunen and has published in prestigious journals such as Cell, Proceedings of the National Academy of Sciences and Journal of Biological Chemistry.

In The Last Decade

Ismo Ulmanen

97 papers receiving 5.8k 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.

Kinetics of Human Soluble and Membrane-Bound Catechol O-Methyltransferase: A Revised Mechanism and Description of the Thermolabile Variant of the Enzyme

1995 922 citations Timo Lotta, Jukka Vidgren et al. Biochemistry profile →
A unique cap(m7GpppXm)-dependent influenza virion endonuclease cleaves capped RNAs to generate the primers that initiate viral RNA transcription

1981 574 citations Ismo Ulmanen et al. profile →

Peers

Countries citing papers authored by Ismo Ulmanen

Since Specialization

Citations

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

Fields of papers citing papers by Ismo Ulmanen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ismo Ulmanen

This figure shows the co-authorship network connecting the top 25 collaborators of Ismo Ulmanen. A scholar is included among the top collaborators of Ismo Ulmanen 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 Ismo Ulmanen. Ismo Ulmanen 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	Genetic markers and population history: Finland revisited 2009 ·European Journal of Human Genetics ·Jukka U. Palo, Ismo Ulmanen, Matti Lukka, Pekka Ellonen, Antti Sajantila	57
2	The effect of number of loci on geographical structuring and forensic applicability of Y-STR data in Finland 2008 ·International Journal of Legal Medicine ·Jukka U. Palo, (unknown), (unknown), V. Johnsson, Ismo Ulmanen, Matti Lukka, Bjarne Udd, Antti Sajantila	13
3	High degree of Y-chromosomal divergence within Finland—forensic aspects 2007 ·Forensic Science International Genetics ·Jukka U. Palo, Minttu Hedman, Ismo Ulmanen, Matti Lukka, Antti Sajantila	15
4	Autoimmune Polyendocrinopathy-Candidiasis-Ectodermal Dystrophy (APECED) in the Irish Population 2006 ·Journal of Pediatric Endocrinology and Metabolism ·María Domínguez, Ellen Crushell, Tanja Ilmarinen, Eiméar McGovern, Stephen M. Collins, Bin Chang, Pádraic Fleming, Alan D. Irvine, Donal Brosnahan, Ismo Ulmanen, Nuala Murphy, Colm Costigan	40
5	Monogenic autoimmune diseases — lessons of self-tolerance 2005 ·Current Opinion in Immunology ·Ismo Ulmanen, Maria Halonen, Tanja Ilmarinen, Leena Peltonen	21
6	APECED-causing mutations in AIRE reveal the functional domains of the protein 2004 ·Human Mutation ·Maria Halonen, Hannele Kangas, (unknown), Tanja Ilmarinen, Juha Ollila, Meelis Kolmer, Mauno Vihinen, Jorma J. Palvimo, Jani Saarela, Ismo Ulmanen, Petra Eskelin	89
7	AIRE Mutations and Human Leukocyte Antigen Genotypes as Determinants of the Autoimmune Polyendocrinopathy-Candidiasis-Ectodermal Dystrophy Phenotype 2002 ·The Journal of Clinical Endocrinology & Metabolism ·Maria Halonen, Petra Eskelin, (unknown), Jaakko Perheentupa, Eystein S. Husebye, Olle Kämpe, Fredrik Rorsman, Leena Peltonen, Ismo Ulmanen, Jukka Partanen	136
8	Molecular Mechanisms Controlling the Rate and Specificity of Catechol O-Methylation by Human Soluble Catechol O-Methyltransferase 2001 ·Molecular Pharmacology ·(unknown), Ismo Ulmanen, Jyrki Taskinen	80
9	Mutations in the AIRE Gene: Effects on Subcellular Location and Transactivation Function of the Autoimmune Polyendocrinopathy-Candidiasis–Ectodermal Dystrophy Protein 2000 ·The American Journal of Human Genetics ·Petra Björses, Maria Halonen, Jorma J. Palvimo, Meelis Kolmer, Johanna Aaltonen, Pekka Ellonen, Jaakko Perheentupa, Ismo Ulmanen, Leena Peltonen	252
10	Radiochemical high-performance liquid chromatographic assay for the determination of catechol O-methyltransferase activity towards various substrates 1999 ·Journal of Chromatography B Biomedical Sciences and Applications ·(unknown), Ismo Ulmanen, (unknown)	15
11	Induction of UDP-glycosyltransferase family 1 genes in rat liver: different patterns of mRNA expression with two inducers, 3-methylcholanthrene and β-naphthoflavone 1998 ·Biochemical Pharmacology ·Sirkku T. Saarikoski, Tarja Ikonen, Teija Oinonen, (unknown), Ismo Ulmanen, (unknown)	13
12	Molecular biology of COMT 1997 ·Lund University Publications (Lund University) ·Ismo Ulmanen, (unknown), Jukka Tenhunen, Carola Tilgmann, Ann‐Christine Syvänen	1
13	Catechol-O-methyltransferase in rat sensory ganglia and spinal cord 1996 ·Neuroscience ·Tuula Karhunen, Ismo Ulmanen, Pertti Panula	11
14	Kinetics of Human Soluble and Membrane-Bound Catechol O-Methyltransferase: A Revised Mechanism and Description of the Thermolabile Variant of the Enzyme breakdown → 1995 ·Biochemistry ·Timo Lotta, Jukka Vidgren, Carola Tilgmann, Ismo Ulmanen, Krister Melén, Ilkka Julkunen, Jyrki Taskinen	922
15	Genomic organization of the human catechol O‐methyltransferase gene and its expression from two distinct promoters 1994 ·European Journal of Biochemistry ·Jukka Tenhunen, Marjo Salminen, (unknown), Tuula Kiviluoto, (unknown), Ismo Ulmanen	288
16	Structure of the Rat Catechol- O -Methyltransferase Gene: Separate Promoters Are Used to Produce mRNAs for Soluble and Membrane-Bound Forms of the Enzyme 1993 ·DNA and Cell Biology ·Jukka Tenhunen, Marjo Salminen, Anu Jalanko, (unknown), Ismo Ulmanen	68
17	Expression of catechol-O-methyltransferase (COMT) in rat brain and peripheral tissues 1992 ·Lund University Publications (Lund University) ·Tuula Karhunen, Carola Tilgmann, Ilkka Julkunen, Ismo Ulmanen, Pertti Panula	1
18	Expression of enzymatically active rat liver and human placental catechol-O-methyltransferase in Escherichia coli; purification and partial characterization of the enzyme 1992 ·Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression ·(unknown), Carola Tilgmann, Johan Peränen, Nisse Kalkkinen, Ismo Ulmanen	38
19	Cloning and Characterization of Human Placental Catechol--Methyltransferase cDNA 1991 ·DNA and Cell Biology ·(unknown), Marjo Salminen, Anu Jalanko, (unknown), Ismo Ulmanen	144
20	Molecular cloning and characterization of rat liver catechol-O-methyltransferase 1990 ·Gene ·Marjo Salminen, Kenneth Lundström, Carola Tilgmann, (unknown), Nisse Kalkkinen, Ismo Ulmanen	102

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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