Research Topics
| Jan PawlowskiSummaryAffiliation: University of Geneva Country: Switzerland Publications
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Detail Information
Publications
Evolution of Rhizaria: new insights from phylogenomic analysis of uncultivated protistsFabien Burki
Department of Botany, University of British Columbia, Vancouver, British Columbia, Canada
BMC Evol Biol 10:377. 2010..Phyllostaurus sp.), Phytomyxea (Spongospora subterranea, Plasmodiophora brassicae) and Gromiida (Gromia sphaerica)...
Precambrian biota: protistan origin of trace fossils?Jan Pawlowski
Department of Zoology and Animal Biology, University of Geneva, Sciences III, 1211 Geneva 4, Switzerland
Curr Biol 19:R28-30. 2009....
Eukaryotic richness in the abyss: insights from pyrotag sequencingJan Pawlowski
Department of Genetics and Evolution, University of Geneva, Geneva, Switzerland
PLoS ONE 6:e18169. 2011..However, environmental clone-library surveys yield only a modest number of sequences with which to evaluate the diversity of abyssal eukaryotes...
Short rDNA barcodes for species identification in foraminiferaJan Pawlowski
Department of Zoology and Animal Biology, University of Geneva, CH 1211 Geneva 4, Switzerland
J Eukaryot Microbiol 57:197-205. 2010..We propose that this relatively short region, averaging 50-60 nt in length, could be an ideal barcode for identification of foraminifera in environmental samples using massive sequencing approach...
Monophyly of Rhizaria and multigene phylogeny of unicellular bikontsFabien Burki
Department of Zoology and Animal Biology, University of Geneva, Geneva, Switzerland
Mol Biol Evol 23:1922-30. 2006..This may be due to an acceleration of evolutionary rates in some bikont phyla or be related to their rapid diversification in the early evolution of eukaryotes...
Higher-level phylogeny of Foraminifera inferred from the RNA polymerase II (RPB1) geneDavid Longet
Department of Zoology and Animal Biology, University of Geneva, Sciences III, 30, Quai Ernest Ansermet, 1211 Geneva 4, Switzerland
Eur J Protistol 43:171-7. 2007..In the light of our study, RPB1 appears as a valuable phylogenetic marker, particularly useful for groups of protists showing extreme variations of evolutionary rates in ribosomal genes...
Phylogenomics reshuffles the eukaryotic supergroupsFabien Burki
Department of Zoology and Animal Biology, University of Geneva, Geneva, Switzerland
PLoS ONE 2:e790. 2007..Yet, the composition of these large assemblages and their relationships remain controversial...
Small-subunit ribosomal RNA gene sequences of Phaeodarea challenge the monophyly of Haeckel's RadiolariaStephane Polet
Department of Zoology and Animal Biology, University of Geneva, Sciences III, CH-1211 Geneva 4, Switzerland
Protist 155:53-63. 2004..Our study also confirms the common origin of Acantharea and Polycystinea, which form a sister-group to the Cercozoa, and allows a phylogenetic reinterpretation of the morphological features of the three radiolarian groups...
Untangling the phylogeny of amoeboid protistsJan Pawlowski
Department of Zoology and Animal Biology, University of Geneva, Geneva, Switzerland
J Eukaryot Microbiol 56:16-25. 2009..Finally, we highlight the interest of Amoebozoa and Rhizaria for understanding eukaryotic evolution and suggest that resolving their phylogenies will be among the main challenges for future phylogenomic analyses...
Small subunit ribosomal DNA suggests that the xenophyophorean Syringammina corbicula is a foraminiferanJan Pawlowski
Department of Zoology and Animal Biology, University of Geneva, CH 1211 Geneva 4, Switzerland
J Eukaryot Microbiol 50:483-7. 2003..Our results are congruent with observations of similar cytoplasmic organisation in Rhizammina and Syringammina. Thus, the Xenophyophorea appear to be a highly specialised group of deep-sea Foraminifera...
Molecular evidence for host-symbiont specificity in soritid foraminiferaLydia Garcia-Cuetos
Department of Zoology and Animal Biology, University of Geneva, Sciences III, 30 Quai Ernest Ansermet, , Switzerland
Protist 156:399-412. 2005..It is suggested that the strong host-symbiont specificity observed in Soritinae is a combined effect of a selective recognition mechanism, vertical transmission of symbionts, and biogeographical isolation...
Ultra-deep sequencing of foraminiferal microbarcodes unveils hidden richness of early monothalamous lineages in deep-sea sedimentsBeatrice Lecroq
Department of Genetics and Evolution, University of Geneva, CH 1211 Geneva 4, Switzerland
Proc Natl Acad Sci U S A 108:13177-82. 2011....
Evolution of dark-spored Myxomycetes (slime-molds): molecules versus morphologyAnna Maria Fiore-Donno
University of Geneva, Department of Zoology and Animal Biology, 30, quai E Ansermet, 1211 Geneva 4, Switzerland
Mol Phylogenet Evol 46:878-89. 2008..Our study allows the reappraisal of morphological and developmental characters in the light of molecular data and sets foundations for a new classification of Myxomycetes...
Phylogenomics reveals a new 'megagroup' including most photosynthetic eukaryotesFabien Burki
Department of Zoology and Animal Biology, University of Geneva, Geneva 4, Switzerland
Biol Lett 4:366-9. 2008..At its deepest level, the tree of eukaryotes now receives strong support for two monophyletic megagroups comprising most of the eukaryotic diversity...
How many novel eukaryotic 'kingdoms'? Pitfalls and limitations of environmental DNA surveysCedric Berney
Department of Zoology and Animal Biology, University of Geneva, CH 1211 Geneva 4, Switzerland
BMC Biol 2:13. 2004....
Phylogenetic position of Gromia oviformis Dujardin inferred from nuclear-encoded small subunit ribosomal DNAFabien Burki
Department of Zoology and Animal Biology, University of Geneva, , Switzerland
Protist 153:251-60. 2002..Because the Cercozoa are related to the Foraminifera based on other molecular data, we propose that most protists possessing filopodia, reticulopodia and axopodia have a common origin...
Revised small subunit rRNA analysis provides further evidence that Foraminifera are related to CercozoaCedric Berney
Department of Zoology and Animal Biology, University of Geneva, Geneva, Switzerland
J Mol Evol 57:S120-7. 2003..Our study confirms the utility of SSU rDNA as a phylogenetic marker of megaevolutionary history, provided that the artifacts due to the heterogeneity of substitution rates in ribosomal genes are circumvented...
Molecular identification of sequestered diatom chloroplasts and kleptoplastidy in foraminiferaLoïc Pillet
Department of Zoology and Animal Biology, University of Geneva, Quai Ernest Ansermet 30, 1211 Geneva 4, Switzerland
Protist 162:394-404. 2011..Possibly the diversity of kleptochloroplasts depends on the type of diatoms the foraminiferans feed on...
Phylogeny of lobose amoebae based on actin and small-subunit ribosomal RNA genesJosé F Fahrni
Department of Zoology and Animal Biology, University of Geneva, Geneva, Switzerland
Mol Biol Evol 20:1881-6. 2003....
Analysis of expressed sequence tags from a naked foraminiferan Reticulomyxa filosaFabien Burki
University of Geneva, Department of Zoology and Animal Biology, Geneva, Israel
Genome 49:882-7. 2006....
Foraminifera and Cercozoa share a common origin according to RNA polymerase II phylogeniesDavid Longet
Dept of zoology and animal biology, University of Geneva, Sciences III, 30 Quai Ernest Ansermet, , Switzerland
Int J Syst Evol Microbiol 53:1735-9. 2003..Analysis of our data confirms a close relationship between Foraminifera and Cercozoa and points to Gromia as the closest relative of Foraminifera...
Structure, expression and function of Allomyces arbuscula CDP II (metacaspase) geneMukti Ojha
Department of Biochemistry, University of Geneva, Sciences II, 30 Quai Ernest Ansermet, 1211 Geneva 4, Switzerland
Gene 457:25-34. 2010..The enzyme activity is inhibited by EDTA-EGTA, cysteine protease inhibitors and a specific peptide inhibitor Ac GVRCHCL TFA, but not by E64, although a potent inhibitor of cysteine proteases...
The evolution of early ForaminiferaJan Pawlowski
Department of Zoology and Animal Biology, University of Geneva, Sciences III, 1211 Geneva 4, Switzerland
Proc Natl Acad Sci U S A 100:11494-8. 2003..Our findings indicate that the early Foraminifera were an important component of Neoproterozoic protistan community, whose ecological complexity was probably much higher than has been generally accepted...
Molecular phylogeny, evolutionary rates, and divergence timing of the symbiotic dinoflagellate genus SymbiodiniumXavier Pochon
Department of Zoology and Animal Biology, University of Geneva, 30 Quai Ernest Ansermet, 1211 Geneva 4, Switzerland
Mol Phylogenet Evol 38:20-30. 2006..Our analysis suggests that Symbiodinium originated in early Eocene, and that the majority of extant lineages diversified since mid-Miocene, about 15 million years ago...
Large-scale phylogenomic analyses reveal that two enigmatic protist lineages, telonemia and centroheliozoa, are related to photosynthetic chromalveolatesFabien Burki
Department of Zoology and Animal Biology, University of Geneva, Geneva, Switzerland
Genome Biol Evol 2009:231-8. 2009....
