Publications

Recombinant SARS-CoV-2 Delta/Omicron BA.5 emerging in an immunocompromised long-term infected COVID-19 patient

Recombinant SARS-CoV-2 Delta/Omicron

Time-resolved small RNA transcriptomics of the ichthyosporean Sphaeroforma arctica

We sequenced the smallRNA content across the cell cycle of S. arctica

Molecular Epidemiology of the Norwegian SARS-CoV-2 Delta Lineage AY.63

Epidemiology of the AY.63 Delta lineage

The impact of global lineage dynamics, border restrictions, and emergence of the B.1.1.7 lineage on the SARS-CoV-2 epidemic in Norway

We studied the dynamics of the SARS-CoV-2 UK lineage in Norway

Compartmentalization of mRNAs in the giant, unicellular green alga Acetabularia acetabulum

We uncover the distribution of mRNAs across single A. acetabulum cells using single-cell RNA-seq

Genome sequencing and de novo assembly of the giant unicellular alga Acetabularia acetabulum using droplet MDA

Genome sequencing of Acetabularia acetabulum

Phylogenomic analysis restructures the Ulvophyceae

Phylogenomic analysis of Ulvophyceae.

A unicellular relative of animals generates a layer of polarized cells by actomyosin-dependent cellularization

Cellular development of Sphaeroforma arctica.

Draft genome assembly and transcriptome sequencing of the golden algae Hydrurus foetidus (Chrysophyceae)

We present a draft genome and transcriptome data of the chrysophyte Hydrurus foetidus.

Unicellular origin of the animal microRNA machinery

microRNA genes and the microRNA processing machinery discovered for the first time among the unicellular ancestors of animals.

Single cell transcriptomics, mega-phylogeny and the genetic basis of morphological innovations in Rhizaria

We reveal novel genetic innovations in key cytoskeletal genes in Rhizaria using single-cell transcriptomics on two uncultivated species.

Regulatory RNA at the root of animals: dynamic expression of developmental lincRNAs in the calcisponge Sycon ciliatum

Developmental expression of lincRNAs in the sponge Sycon ciliatum

Developmental gene expression provides clues to relationships between sponge and eumetazoan body plans

Comparative gene expression shows that body plans of sponges and cnidarians are homologous.

Radiolaria Associated with Large Diversity of Marine Alveolates

Single Cell Whole Genome Amplification identifies large diversity of Marine Aleolate parasites in Radiolarians.

Collodictyon - an ancient lineage in the tree of eukaryotes

Phylogenomic analysis places Collodictyon as one of the oldest lineages in the Tree of Life.

Radiolaria Divided into Polycystina and Spasmaria in Combined 18S and 28S rDNA Phylogeny

Resolved Radiolarian phylogeny by combining single cell whole genome amplification with targeted PCR amplification of the 18S and 28S rDNA genes.

The 18S and 28S rDNA identity and phylogeny of the common lotic chrysophyte Hydrurus foetidus

First phylogenetic placement of the Stramenopile algae Hydrurus foetidus.

Marine-freshwater colonizations of haptophytes inferred from phylogeny of environmental 18S rDNA sequences

Discovered unknown freshwater diversity of Haptophytes using environmental sequence data.

Telonemia-specific environmental 18S rDNA PCR reveals unknown diversity and multiple marine-freshwater colonizations

Group-specific PCR primers revealed unknown diversity of Telonemia and multiple independent colonizations of the freshwater habitat.

Freshwater Perkinsea and marine-freshwater colonizations revealed by pyrosequencing and phylogeny of environmental rDNA

First report from freshwater of the parasite Perkinsus uncovered by using pyrosequencing on environmental DNA from lake sediments.

Infrequent Transitions between Saline and Fresh Waters in One of the Most Abundant Microbial Lineages (SAR11)

Evolutionary analysis revealed that the barrier between saline and fresh waters has rarely been crossed among members of the SAR11 bacterial group.

Infrequent marine-freshwater transitions in the microbial world

Here we show that the biogeochemical differences between marine and fresh water has acted as a major evolutionary barrier in bacteria, virus and eukaryotes.

Large-scale phylogenomic analyses reveal that two enigmatic protist lineages, telonemia and centroheliozoa, are related to photosynthetic chromalveolates

Placing the enigmatic Telonemia and Centroheliozoa on the Tree of Life.

Revisiting the phylogenetic position of Synchroma grande

Here we revised the phylogentic classification of key heterokont groups by including publicly available environmental sequence data.

Diversification of unicellular eukaryotes: cryptomonad colonizations of marine and fresh waters inferred from revised 18S rRNA phylogeny

Here we identified two novel freshwater groups of cryptomonads and showed that cryptomonad diversification has been evolutionary restricted by the marine-fre...