Abstract
Diatoms are unicellular algae with plastids acquired by secondary endosymbiosis. They are responsible for ∼20% of global carbon fixation. We report the 34 million–base pair draft nuclear genome of the marine diatom Thalassiosira pseudonana and its 129 thousand–base pair plastid and 44 thousand–base pair mitochondrial genomes. Sequence and optical restriction mapping revealed 24 diploid nuclear chromosomes. We identified novel genes for silicic acid transport and formation of silica-based cell walls, high-affinity iron uptake, biosynthetic enzymes for several types of polyunsaturated fatty acids, use of a range of nitrogenous compounds, and a complete urea cycle, all attributes that allow diatoms to prosper in aquatic environments.
Authors
45
- E. Virginia Armbrust (first)
- John A. Berges (additional)
- Chris Bowler (additional)
- Beverley R. Green (additional)
- Diego Martinez (additional)
- Nicholas H. Putnam (additional)
- Shiguo Zhou (additional)
- Andrew E. Allen (additional)
- Kirk E. Apt (additional)
- Michael Bechner (additional)
- Mark A. Brzezinski (additional)
- Balbir K. Chaal (additional)
- Anthony Chiovitti (additional)
- Aubrey K. Davis (additional)
- Mark S. Demarest (additional)
- J. Chris Detter (additional)
- Tijana Glavina (additional)
- David Goodstein (additional)
- Masood Z. Hadi (additional)
- Uffe Hellsten (additional)
- Mark Hildebrand (additional)
- Bethany D. Jenkins (additional)
- Jerzy Jurka (additional)
- Vladimir V. Kapitonov (additional)
- Nils Kröger (additional)
- Winnie W. Y. Lau (additional)
- Todd W. Lane (additional)
- Frank W. Larimer (additional)
- J. Casey Lippmeier (additional)
- Susan Lucas (additional)
- Mónica Medina (additional)
- Anton Montsant (additional)
- Miroslav Obornik (additional)
- Micaela Schnitzler Parker (additional)
- Brian Palenik (additional)
- Gregory J. Pazour (additional)
- Paul M. Richardson (additional)
- Tatiana A. Rynearson (additional)
- Mak A. Saito (additional)
- David C. Schwartz (additional)
- Kimberlee Thamatrakoln (additional)
- Klaus Valentin (additional)
- Assaf Vardi (additional)
- Frances P. Wilkerson (additional)
- Daniel S. Rokhsar (additional)
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Dates
Type | When |
---|---|
Created | 20 years, 10 months ago (Sept. 30, 2004, 5:28 p.m.) |
Deposited | 1 year, 7 months ago (Jan. 9, 2024, 9:20 p.m.) |
Indexed | 2 days, 6 hours ago (Aug. 20, 2025, 9:06 a.m.) |
Issued | 20 years, 10 months ago (Oct. 1, 2004) |
Published | 20 years, 10 months ago (Oct. 1, 2004) |
Published Print | 20 years, 10 months ago (Oct. 1, 2004) |
@article{Armbrust_2004, title={The Genome of the Diatom Thalassiosira Pseudonana : Ecology, Evolution, and Metabolism}, volume={306}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1101156}, DOI={10.1126/science.1101156}, number={5693}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Armbrust, E. Virginia and Berges, John A. and Bowler, Chris and Green, Beverley R. and Martinez, Diego and Putnam, Nicholas H. and Zhou, Shiguo and Allen, Andrew E. and Apt, Kirk E. and Bechner, Michael and Brzezinski, Mark A. and Chaal, Balbir K. and Chiovitti, Anthony and Davis, Aubrey K. and Demarest, Mark S. and Detter, J. Chris and Glavina, Tijana and Goodstein, David and Hadi, Masood Z. and Hellsten, Uffe and Hildebrand, Mark and Jenkins, Bethany D. and Jurka, Jerzy and Kapitonov, Vladimir V. and Kröger, Nils and Lau, Winnie W. Y. and Lane, Todd W. and Larimer, Frank W. and Lippmeier, J. Casey and Lucas, Susan and Medina, Mónica and Montsant, Anton and Obornik, Miroslav and Parker, Micaela Schnitzler and Palenik, Brian and Pazour, Gregory J. and Richardson, Paul M. and Rynearson, Tatiana A. and Saito, Mak A. and Schwartz, David C. and Thamatrakoln, Kimberlee and Valentin, Klaus and Vardi, Assaf and Wilkerson, Frances P. and Rokhsar, Daniel S.}, year={2004}, month=oct, pages={79–86} }