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Pierre de Wit

Postdoctoral research fellow

Pierre de Wit
Postdoctoral research fellow
Academic degree: Docent
pierre.de_wit@marine.gu.se
+46 31 786 9550
0766-229550

Postal Address: Lovéncentret Tjärnö, 45296 Strömstad
Visiting Address: Tjärnö , 45296 Strömstad


Department of Marine Sciences (More Information)
Box 461
405 30 Göteborg

Visiting Address: Carl Skottsbergs gata 22 B , 413 19 Göteborg

About Pierre de Wit

 I am interested in the study of evolution at all levels, from adaptations to local environments and population genetics to how species form and to try to elucidate the history of life on earth, as well as to make predictions for the future.

I work with genetic methods to study differences in DNA sequences between populations and species of marine organisms. The goal of my current work is to find out how marine animals are affected genetically when they are exposed to environmental changes such as ocean acidification or changes in salinity, which will hopefully allow us to identify genotypes tolerant to the predicted environtment. In order to do this, we can use new DNA sequencing technologies to scan their genomes for differences that confer tolerance to environmental change. I am currently working with several projects:

• Baltic Sea Marine Biodiversity (BAMBI), a large collaborative project investigating the effect of future environmental changes on the Baltic Sea ecosystem. My focus is on population genomics of Baltic Sea isopods.

• Effects of ocean acidification on Japanese Cupped Oysters (Crassostrea gigas). This is a collaborative project with researchers at Oregon State University and Hatfield Marine Science Center. Oyster larvae have been found to be very sensitive to pH changes - we aim at identifying tolerant strains (genotypes) that can help the aquaculture industry survive in the future environment.

• Effects of ocean acidification on copepods. Copepods form the base of the marine pelagic food web, yet very little is known about the effects of pH change on these small animals. We are using a combination of physiological and gene expression data over multiple generations to study their potential to adapt.

Previous projects that I have been involved in include studies of genetic variation in natural populations of abalone along the California coast, including the effects of algal bloom-induced mass mortality events, and also bioinformatic work, both construction of data analysis pipelines for large data sets, and for data mining of public databases. My PhD thesis dealt with phylogeny reconstruction and cryptic speciation patterns in marine clitellate worms (Annelida). I am also currently involved in several collaborative efforts continuing both of these lines of research.

 

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Latest publications

Contrasting physiological responses to future ocean acidification among Arctic copepod populations
Peter Thor, Allison Bailey, Samuel Dupont, Piero Calosi, Janne Söreide et al.
Global Change Biology, Journal article 2017
Journal article

Molecular data reveal a tropical freshwater origin of Naidinae (Annelida, Clitellata, Naididae)
Christer Erséus, Ida Envall, Pierre De Wit, Lena Gustavsson
Molecular Phylogenetics and Evolution, Journal article 2017
Journal article

SNP Discovery Using Next Generation Transcriptomic Sequencing
Pierre De Wit
Marine Genomics - Methods and Protocols, New York, Springer Science + Business Media, Chapter in book 2016
Chapter in book

Closely coupled evolutionary history of ecto- and endosymbionts from two distantly-related animal phyla
Judith Zimmermann, Cecilia Wentrup, Miriam Sadowski, Anna Blazejak, Harald Gruber-Vodicka et al.
Molecular Ecology, Journal article 2016
Journal article

DNA-based phylogeny of the marine genus Heterodrilus (Annelida, Clitellata, Naididae)
Erica Mejlon, Pierre De Wit, Lisa Matamoros, Christer Erséus
Journal of Zoological Systematics and Evolutionary Research, Journal article 2015
Journal article

Showing 1 - 10 of 30

2017

Contrasting physiological responses to future ocean acidification among Arctic copepod populations
Peter Thor, Allison Bailey, Samuel Dupont, Piero Calosi, Janne Söreide et al.
Global Change Biology, Journal article 2017
Journal article

Molecular data reveal a tropical freshwater origin of Naidinae (Annelida, Clitellata, Naididae)
Christer Erséus, Ida Envall, Pierre De Wit, Lena Gustavsson
Molecular Phylogenetics and Evolution, Journal article 2017
Journal article

2016

SNP Discovery Using Next Generation Transcriptomic Sequencing
Pierre De Wit
Marine Genomics - Methods and Protocols, New York, Springer Science + Business Media, Chapter in book 2016
Chapter in book

Closely coupled evolutionary history of ecto- and endosymbionts from two distantly-related animal phyla
Judith Zimmermann, Cecilia Wentrup, Miriam Sadowski, Anna Blazejak, Harald Gruber-Vodicka et al.
Molecular Ecology, Journal article 2016
Journal article

2015

DNA-based phylogeny of the marine genus Heterodrilus (Annelida, Clitellata, Naididae)
Erica Mejlon, Pierre De Wit, Lisa Matamoros, Christer Erséus
Journal of Zoological Systematics and Evolutionary Research, Journal article 2015
Journal article

Showing 1 - 10 of 30

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