People

Group members and their affiliations.
Craig Primmer

Academy Professor

University of Helsinki

My research capitalizes on the unique opportunities provided by the large-effect gene genetic architecture of salmon age at maturity, combined with the strengths of Atlantic salmon as a model for functional genomic, ecological and evolutionary research. My aim is to link genotype, phenotype and fitness in this important life-history trait using approaches ranging from investigating the cellular-level processes in the laboratory to estimating reproductive success in completely natural populations. I also apply the obtained knowledge for improving salmon conservation and management in collaboration with managers.

Contact: craig.primmer@helsinki.fi

Paul Bangura

Doctoral Researcher

University of Helsinki

Understanding the genetic basis of behavior and metabolic rate as a means for improving aquaculture productivity and fish welfare

Contact: paul.bangura@helsinki.fi

María Cádiz Escobar

Postdoctoral Researcher

University of Helsinki

My research interests are mainly Population Genetics, Genomics, Evolution, and Conservation; I am also a Bioinformatics enthusiast. Currently, I study the population and evolutionary genetics of large-effect life history-linked genes in long-term time series of European Atlantic salmon populations.

Contact: maria.cadiz-escobar@helsinki.fi

Morgane Frapin

Postdoctoral Researcher

University of Helsinki

I began my research career by investigating how maternal protein intake during gestation affects the brain development of the offspring at molecular and cellular level in rats. This led me to develop a growing interest in functional genomics, focusing on the regulation of gene expression. My current research aims to understand the molecular mechanisms behind polymorphisms associated with life-history traits in Atlantic salmon and rainbow trout. The observed variations in life-history traits between individuals and their association with large-effect loci, as well as the presence of a recent genome duplication in these salmonids, directed my scientific curiosity towards teleost fish.

Contact: morgane.frapin@helsinki.fi

Xindi Huang

Doctoral Researcher

University of Helsinki

Maturation-related gene expression patterns and regulatory networks in Atlantic salmon individuals of different life-history genotypes.

Contact: xindi.huang@helsinki.fi

Suvi Ikonen

Coordinator

Lammi Biological Station, University of Helsinki

Contact: suvi.ikonen@helsinki.fi

Amaïa Lamarins

Postdoctoral Researcher

University of Helsinki

My research interests are the eco-evolutionary dynamics, persistence, and adaptation of (meta)populations. I am using a modelling approach to study life-history traits evolution of several populations of Atlantic salmon under different genetic architectures and selective pressures. 

Contact: amaia.lamarins@helsinki.fi

 

Ana Lindeza

Postdoctoral Researcher

University of Helsinki

Contact: ana.lindeza@helsinki.fi

Katja Maamela

Doctoral Researcher

University of Helsinki

Role of maternal life-history genotype and diet on maturation, egg traits, and offspring fitness in Atlantic salmon (Salmo salar)

Contact: katja.maamela@helsinki.fi

Gersende Maugars

Postdoctoral Researcher

University of Helsinki

I am interested in the physiological mechanisms behind the regulation of life history traits, such as growth, reproduction, migration, and adaptations to environmental changes. I have been studying the functional evolution of endocrine systems in teleosts.

The purpose of my current project is to understand the molecular mechanisms by which genotypic changes in salmonid populations modulate endocrine regulation to generate different reproduction or migration trajectories.

Contact: gersende.maugars@helsinki.fi

Antti Miettinen

Doctoral Researcher

University of Helsinki

Conservation genomics of Atlantic salmon in the Baltic Sea

Contact: antti.aj.miettinen@helsinki.fi

Sergey Morozov

Doctoral Researcher

Lammi Biological Station, University of Helsinki

Contact: sergey.morozov@helsinki.fi

Ehsan Pashay Ahi

Postdoc­toral Researcher

University of Helsinki

Throughout my research career, I have delved into the intricate realms of the evolution, development, and physiology of teleost fish at the molecular genetic level. A distinctive aspect of my approach lies in advocating for a gene-network view, diverging from the conventional single-gene perspective, to unravel the complexities of these biological processes. My primary research focus revolves around reproductive biology, evolutionary developmental biology (evodevo), and adaptive morphogenesis, with a keen interest in exploring the interconnectedness of molecular pathways. Within this domain, a significant part of my current work is dedicated to understanding the molecular processes governing the distinct maturation timing of Atlantic salmon. By applying my knowledge and methodologies within this context, I aim to contribute to a more comprehensive understanding of the underlying mechanisms that dictate the maturation dynamics in this particular teleost species.

Contact: ehsan.pashayahi@helsinki.fi

Nikolai Piavchenko

Laboratory Technician

University of Helsinki

I take care of our fish and their facilities.

Contact: nikolai.piavchenko@helsinki.fi

Annukka Ruokolainen

Laboratory Coordinator

University of Helsinki

Contact: annukka.ruokolainen@helsinki.fi

 

Alumni

Postdoctoral researchers

Samuel Andrew

Tutku Aykanat

Henry Barton

Matthieu Brunneaux

Paul Debes

Helena Johansson

Susan Johnston

Johanna Kurko

Erica Leder

Kenyon Mobley

Hannu Mäkinen

Petri Niemelä

Spiros Papakostas

Victoria Pritchard

Frode Skarstein

Olaf Thalmann

Silva Uusi-Heikkiä

Anti Vasemägi

Jukka-Pekka Verta

Doctoral researchers

Laura Buggiotti (University of Turku): Avian evolutionary genomics: studies of Fiducula flycatchers

Yann Czorlich (University of Turku): Population dynamics and evolutionary genetics of life history variation in Atlantic salmon

Johannes Holmen (University of Oslo, main supervisor Asbjörn Vollestad, University of Oslo): The Eurasian minnow: Post-glacial dispersal history and recent invasion patterns in Norway

Andrew House (University of Helsinki, co-supervised by Paul Debes, Hólar University): Factors affecting lipid profiles in juvenile Atlantic salmon 

Markus Johansson (Uppsala University, co-supervised by Juha Merilä, University of Helsinki): Effects of agriculture on abundance, genetic diversity, and fitness in the common frog, Rana temporaria

Claudia Junge (University of Oslo, co-supervised by Asbjörn Vollestad and Glenn-Peter Sætre, University of Oslo): Spatio-temporal population structuring in complex environments: insights from the European grayling (Thymallus thymallus)

Mikko Koskinen (University of Helsinki): Genetic studies of population history and contemporary microevolution in grayling (Thymallus: Salmonidae)

Katriina Lahti (University of Helsinki, supervisor Esa Ranta, University of Helsinki): Integrated analysis of aggression in salmonids.

Veronika Laine (University of Turku, co-supervised by Gabor Herczeg, University of Helsinki): The genetics of behaviour and other adaptive traits in nine-spined sticklebacks (Pungitius pungitius)

Paula Lehtonen (University of Turku, co-supervised by Toni Laaksonen, Finnish Museum of Natural History): The molecular mechanisms and evolutionary significance of plumage colour variation in pied flycatchers (Ficedula hypoleuca)

Kalle Rytkönen (University of Turku, main supervisor Mikko Nikinmaa, University of Turku): Molecular evolution of metazoan hypoxia-inducible factors

Heikki Ryynänen (University of Turku): Applications of gene sequence polymorphisms in evolutionary genetic studies of Atlantic salmon (Salmo salar) and other teleost fish species

Marion Sinclair-Waters (University of Helsinki, co-supervised by Nicola Barson, Norwegian University of Life Sciences): Refining the genetic architecture of Atlantic salmon (Salmo salar) maturation using genomics-enabled approaches

Akarapong Swatdipong (University of Turku, co-supervised by Anti Vasemägi, University of  Turku): Conservation genetics of exploited Finnish salmonid fishes

Anni Tonteri (University of Turku, co-supervised by Jaakko Lumme, University of Oulu): Phylogeography and population genetics of north European Atlantic salmon (Salmo salar L.)

Juha-Pekka Vähä (University of Turku, co-supervised by Jaakko Erkinaro, Finnish Game and Fisheries Research Institute): Conservation genetics of Teno River Atlantic salmon (Salmo salar): genetic structure in space and time and the effects of escaped farmed salmon

Ksenia Zueva (University of Turku): Evolutionary genomics of adaptation in Atlantic salmon from Northern Europe

Eirik Åsheim (University of Helsinki, co-supervised by Jenni Prokkola, University of Helsinki): Genetic and environmental influences on Atlantic salmon life history: vgll3 and the physiology of maturation

Master's students

Aino Alasentie (co-supervised by Sakari Kuikka and Juha-Pekka Vähä): Conservation genetics of Finnish pike populations.

Paul Bangura: Is there a link between vgll3 genotype and aggressive behavior in juvenile farmed Atlantic salmon (Salmo salar)?

Mikko Ellmen: Reproductive success of Teno River Atlantic salmon (Salmo salar)

Tanzeela Hanif: Annotation of the Gyrodactylus salaris transcriptome.

Dorian Jagusch (main supervisor Kenyon Mobley): Atlantic Salmon (Salmo salar) in regard to vgll3 (and akap11) genotype and environment

Tiina Korkea-Aho (co-supervised by Mikko Koskinen): Individual-based population genetic analysis of grayling (Thymallus thymallus) from a single water system.

Jan Laine (co-supervised by Tutku Aykanat): Breeding success and survival in relation to major effect loci affecting the age at maturation in Teno river Atlantic salmon (Salmo salar)

Paula Lehtonen (co-supervised by Anni Tonteri): Spatio-temporal genetic structuring of brown trout (Salmo trutta) populations from the Luga River in Northwest Russia

Katja Maamela (co-supervised by Kenyon Mobley): Maturation and egg traits of Atlantic salmon (Salmo salar) females with different life-history genotypes in two feeding treatments

Tuuli Mäkinen (co-supervised by Nina Peuhkuri): The effect of genetic diversity on survival and growth of Saimaa land-locked salmon.

Laura Quispe (co-supervised by Morgane Frapin and Ehsan Pashay Ahi): Effect of population density and age at maturity genotype on m6A RNA methylation in Atlantic salmon (Salmo salar)

Anni Tonteri (co-supervised by Jaakko Lumme): Phylogeography of salmon (Salmo salar) populations in northwest Russia as revealed by microsatellite loci