Peter von Dassow, PhD.

Associate Researcher @ IMO
Associate Professor @ PUC

Contact

pvondassow@bio.puc.cl
orcID

Roles

Associate Researcher @ IMO

Education

Doctor @ IMO

Biography

Dr. Peter von Dassow (USA, 1974) obtained his Bachelor of Science in Cellular and Molecular Biology from the University of Washington, Seattle, USA (1997) and his doctorate in Oceanography from the Scripps Institution of Oceanography, University of California San Diego, USA (2003). He did postdoctoral work with the University of Washington, Seattle, USA (2003-2006) at the Station Biologique de Roscoff, Centre National de la Recherche Scientifique, Roscoff, France (2007-2010).

Dr. von Dassow has a longstanding interest in the activity of phytoplankton cells in addition to photosynthesis. During his doctoral studies he researched the regulation of the bioluminescence of dinoflagellates. He showed that these cells regulate an anti-predator luminous response with a sophisticated mechanical-sensory system based on the intracellular concentration of calcium ions. He has since specialized in the life cycles and genomic evolution of phytoplankton, especially diatoms and cocolithophorids. While studying the life cycle of diatoms, he discovered that the evolution of cell size in this group is related to abrupt changes in the quantity of DNA per cell, apparently due to polyploidization and aneuploidization. With cocolithophorids, Dr. von Dassow has worked specifically in defining how gene expression differs among the distinct phases in the life cycle.

Finally, he has participated in several international consortiums working on the analysis and annotation of the genomes of eukaryotic phytoplankton (diatoms, cocolithophorids, prasinophytes) and a brown microalgae.

The focus of his research in IMO is the life cycles and genomic evolution of phytoplankton and the development of advanced cytometric and phytoplankton culturing techniques for laboratory study.

Dr. van Dassow is an Assistant Professor at the Department of Ecology in the Faculty of Biological Sciences of the Pontificia Universidad Católica de Chile. He participates in the international GDRI network on 'Diversity, Evolution and Biotechnology of Marine Algae' involving France, Brazil, and Chile, and the international research unit UMI 3614 'Evolutionary Biology and Ecology of Algae' with researchers in France and Chile.

Publications

Do Differences in Latitudinal Distributions of Species and Organelle Haplotypes Reflect Thermal Reaction Norms Within the Emiliania/Gephyrocapsa Complex?

Frontiers in Marine Science | Volume 8, Issue 785763, Pages 1-21

doi:10.3389/fmars.2021.785763December, 2021

Von Dassow, P.Muñoz, P.Pinon, S.Velaco-Senovilla, E.Anguita-Salinas, S.
A

Abundances and morphotypes of the coccolithophore Emiliania huxleyi in southern Patagonia compared to neighbouring oceans and Northern Hemisphere fjords

Biogeosciences | Volume 18, Pages 5465-5489

doi:10.5194/bg-18-5465-2021October, 2021

Díaz-Rosas, F.Alves-de-Souza, C.Alarcón, E.Menschel, E.González, H.ETorres, R.Von Dassow, P.
A

Size-Fractionated Contribution of Microbial Biomass to Suspended Organic Matter in the Eastern Tropical South Pacific Oxygen Minimum Zone

Frontiers in Marine Science | Volume 7, Pages 1-20

doi:10.3389/fmars.2020.540643October, 2020

Cantarero, S.Henríquez, C.Dildar, N.Vargas, C.A.Von Dassow, P.Cornejo, M.Sepúlveda, J.
A

Distinct oxygen environments shape picoeukaryote assemblages thriving oxygen minimum zone waters off central Chile

Journal of Plankton Research | Volume 42, Pages 514-529

doi:10.1093/plankt/fbaa036October, 2020

De la Iglesia, R.Echenique-Subiabre, I.Rodríguez-Marconi, S.Espinoza, J.PVon Dassow, P.Ulloa, O.Trefault, N.
T

Response of phytoplankton assemblages from naturally acidic coastal ecosystems to elevated pCO2

Frontiers in Marine Science | Volume 7, Pages 1-21

doi:10.3389/fmars.2020.00323May, 2020

Osma, N.Latorre-Melín, L.Jacob, B.Contreras, P.Y.Von Dassow, P.Vargas, C.A.
A

Genetic tool development in marine protists: Emerging model organisms for experimental cell biology

Nature Methods | Volume 17, Pages 481-494

doi:10.1038/s41592-020-0796-xApril, 2020

Faktorová, D.Nisbet, R.E.R.Fernández-Robledo, J.A.Casacuberta, E.Sudek, L.Allen, A.E...., Von Dassow, P...., Lukes, J.
A

Loss of filamentous multicellularity in Cyanobacteria - the extremophile Gloeocapsopsis sp. UTEX B3054 retained multicellular features at the genomic and behavioral level

Journal of Bacteriology | Volume 12, Pages 1-15

doi:10.1128/JB.00514-19April, 2020

Urrejola, C.Von Dassow, P.van den Engh, G.Salas, L.Mullineaux, C.W.Vicuña, R.Sanchez-Baracaldo, P.
A

Universal Loop assembly (uLoop): open, efficient, and species-agnostic DNA fabrication

Synthetic Biology | Volume 5, Issue 1, Article ysaa001

doi:10.1093/synbio/ysaa001February, 2020

Pollak, B.Matute, TNunez, I.Cerda, A.Lopez, C.Vargas, V...., Von Dassow, P...., Federici, F.
A

Impacts of reduced inorganic N:P ratio on three distinct plankton communities in the Humboldt upwelling system

Marine Biology | Volume 166, Pages 1-17

doi:10.1007/s00227-019-3561-xSeptember, 2019

Spilling, K.Camarena-Gómez, M-TLipsewers, T.Martínez-Varela, A.Díaz-Rosas, F.Von Dassow, P....
AT

Nitrogen assimilation in picocyanobacteria inhabiting the oxygen‐deficient waters of the eastern tropical North and South Pacific

Limnology and Oceanography | Volume 65, Pages 437-453

doi:10.1002/lno.11315February, 2019

Aldunate, M.Henríquez, C.Ji, Q.Lueders-Dumont, J.Mulholland, M.R.B. Ward, B.Von Dassow, P.Ulloa, O.
AT

Differential responses of Emiliania huxleyi (Haptophyta) strains to copper excess

Cryptogamie, Algologie | Volume 39, Issue 4, Pages 481-509

doi:10.7872/crya/v39.iss4.2018.481November, 2018

Mella-Flores, D.Machon, J.Contreras-Porcia, L.Mesa-Campbell, S.Von Dassow, P.
A

Metabolic potential and in situ transcriptomic profiles of previously uncharacterized key microbial groups involved in coupled carbon, nitrogen, and sulfur cycling in anoxic marine zones

Environmental Microbiology | Volume 20, Issue 8, Pages 2727-2742

doi:10.1111/1462-2920.14109August, 2018

Plominsky, A.M.Trefault, N.Podell, S.Blanton, J. M.De la Iglesia, R.Allen, E. E.Von Dassow, P.Ulloa, O.
A

Strength in numbers: collaborative science for new experimental model systems.

PLOS Biology | Volume 16, Issue 7, Article e2006333

doi:10.1371/journal.pbio.2006333July, 2018

Waller, R.FCleves, P.A.Rubio-Brotons, M.Woods, A.Bender, S.J.Edgcomb, V.Gann, E.R.Jones, A.C.Teytelman, L.Von Dassow, P.Wilhelm, S.W.Collier, J.L.
A

Differences in the sensitivity to Cu and ligand production of coastal vs offshore strains of Emiliania huxleyi

Science of The Total Environment | Volume 625, Pages 1673-1680

doi:10.1016/j.scitotenv.2017.10.050June, 2018

Echeveste, P.Croot, P.Von Dassow, P.
A

Overcalcified forms of the coccolithophore Emiliania huxleyi in high CO2 waters are not pre-adapted to ocean acidification

Biogeosciences | Volume 15, Pages 1515-1534

doi:10.5194/bg-15-1515-2018March, 2018

Von Dassow, P.Díaz-Rosas, F.Bendif, E.M.Gaitán-Espitia, J.Mella-Flores, D.Rokkita, S.John, U.Torres, R.
A

Does environmental heterogeneity explain temporal β diversity of small eukaryotic phytoplankton? Example from a tropical eutrophic coastal lagoon

Journal of Plankton Research | Volume 39, Issue 4, Pages 698-714

doi:10.1093/plankt/fbx026July, 2017

Alves-de-Souza, C.Benevides, T.S.Santos, J.B.O.Von Dassow, P.Guillou, L.Menezes, M.
A

Impact of low pH/high pCO2 on the physiological response and fatty acid content in diatom Skeletonema pseudocostatum

Journal of the Marine Biological Association of the United Kingdom | Volume 97, Issue 2, Pages 225-233

doi:10.1017/S0025315416001570March, 2017

Jacob, B.Von Dassow, P.Salisbury, J.Navarro, J.Vargas, C.A.
A

P- and N-starvation trigger the same cellular responses to promote senescence in eukaryotic phytoplankton

Frontiers in Marine Science | Volume 3, Article 109

doi:10.3389/fmars.2016.00109June, 2016

Rokitta, S.D.Von Dassow, P.Rost, B.John, U.
A

Recent reticulate evolution in the ecologically dominant lineage of coccolithophores

Frontiers in Microbiology | Volume 7, Page 784

doi:10.3389/fmicb.2016.00784May, 2016

Bendif, E. M.Probert, I.Díaz-Rosas, F.Thomas, D.van den Engh, G.Young, J.Von Dassow, P.
A

Identification of the meiotic toolkit in diatoms and exploration of meiosis-specific SPO11 and RAD51 homologs in the sexual species Pseudo-nitzschia multistriata and Seminavis robusta

BMC Genomics | Volume 16, Page 930

doi:10.1186/s12864-015-1983-5November, 2015

Patil, S.Moeys, S.Von Dassow, P.Huysman, M.J.J. Mapleson, D.De Veylder, L.Sanges, R.Vyverman, W.Montresor, M.Ferrante, M.I.
A

Morphological and phylogenetic characterization of new Gephyrocapsa isolates suggests introgressive hybridization in the Emiliania/Gephyrocapsa complex (Haptophyta)

Protist | Volume 166, Issue 3, Pages 323-336

doi:10.1016/j.protis.2015.05.003May, 2015

Bendif, E.M.Probert, I.Young, J.R.Von Dassow, P.
A

Life-cycle modification in open oceans accounts for genome variability in a cosmopolitan phytoplankton

ISME Journal | Volume 9, Pages 1365-1377

doi:10.1038/ismej.2014.221April, 2015

Von Dassow, P.Johns, U.Ogata, H.Probert, I.Mahdi Bendif, E.Kegel, U.J.Audic, S.Da Silva, C.Claverie, J.M.Doney, S.Glover, D.M.Herrera, Y.Lescot, M.Garet-Delmas, M.L.De Vargas, C.
MA

Emiliania huxleyi endures N-limitation with an efficient metabolic budgeting and effective ATP synthesis

BMC Genomics | Volume 15, Article 1051

doi:10.1186/1471-2164-15-1051December, 2014

Rokitt, S. D.Von Dassow, P.Rost, B.John, U.
A

Metagenome Sequencing of the Microbial Community of a Solar Saltern Crystallizer Pond at Cáhuil Lagoon, Chile

Genome Announcements | Volume 2, Pages 1-3

doi:10.1128/genomeA.01172-14.December, 2014

Plominsky, A. MDelherbe, N.Ulloa, O.De la Iglesia, R.Von Dassow, P.van den Engh, G.Trefault, N....
T

Biological oceanography, biogeochemical cycles, and pelagic ecosystem functioning of the east-central South Pacific Gyre: Focus on Easter Island and Salas-y-Gómez

Latin American Journal of Aquatic Research | Volume 42, Pages 703-742

doi:10.3856/vol42-issue4-fulltext-4October, 2014

Von Dassow, P.Collado-Fabbri, S.
A

Alteration of sexual reproduction and genetic diversity in the kelp species Laminaria digitata at the southern limit of its range

PLOS One | Volume 9, Issue 7, Pages 1-11

doi:10.1371/journal.pone.0102518July, 2014

Oppliger, LVon Dassow, P.Bouchemousse, SValero, M.Correa, J.Auger, P.Destombe, C.
A
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