Open WL Archief (OWA)

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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

Dit archief wordt uitgebouwd en beheerd volgens de principes van de Open Access Movement, en het daaruit ontstane Open Archives Initiative.

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one publication added to basket [280849]

The tiny eukaryote Ostreococcus provides genomic insights into the paradox of plankton speciation Palenik, B.; Grimwood, J.; Aerts, A.; Rouzé, P.; Salamov, A.; Putnam, N.; Dupont, C.; Jorgensen, R.; Derelle, E.; Rombauts, S.; Zhou, K.; Otillar, R.; Merchant, S.S.; Podell, S.; Gaasterland, T.; Napoli, C.; Gendler, K.; Manuell, A.; Tai, V.; Vallon, O.; Piganeau, G.; Jancek, S.; Heijde, M.; Jabbari, K.; Bowler, C.; Lohr, M.; Robbens, S.; Werner, G.; Dubchak, I.; Pazour, G.J.; Ren, Q.; Paulsen, I.; Delwiche, C.; Schmutz, J.; Rokhsar, D.; Van de Peer, Y.; Moreau, H.; Grigoriev, I.V. (2007). The tiny eukaryote Ostreococcus provides genomic insights into the paradox of plankton speciation. Proc. Natl. Acad. Sci. U.S.A. 104(18): 7705-7710. https://dx.doi.org/10.1073/pnas.0611046104 In: Proceedings of the National Academy of Sciences of the United States of America. The Academy: Washington, D.C.. ISSN 0027-8424; e-ISSN 1091-6490, meer

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Beschikbaar in	Auteurs
VLIZ: Non-open access 378959 [ aanvragen ]

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Trefwoorden

Chlorophyta [WoRMS] Marien/Kust

Author keywords

green algae; picoeukaryote; genome evolution; selenium; synteny

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Auteurs		Top
Palenik, B. Grimwood, J. Aerts, A. Rouzé, P., meer Salamov, A. Putnam, N. Dupont, C. Jorgensen, R. Derelle, E. Rombauts, S., meer Zhou, K. Otillar, R. Merchant, S.S.	Podell, S. Gaasterland, T. Napoli, C. Gendler, K. Manuell, A. Tai, V. Vallon, O. Piganeau, G. Jancek, S. Heijde, M. Jabbari, K. Bowler, C. Lohr, M.	Robbens, S., meer Werner, G. Dubchak, I. Pazour, G.J. Ren, Q. Paulsen, I. Delwiche, C. Schmutz, J. Rokhsar, D. Van de Peer, Y., meer Moreau, H. Grigoriev, I.V.

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Abstract

The smallest known eukaryotes, at ≈1-μm diameter, are Ostreococcus tauri and related species of marine phytoplankton. The genome of Ostreococcus lucimarinus has been completed and compared with that of O. tauri. This comparison reveals surprising differences across orthologous chromosomes in the two species from highly syntenic chromosomes in most cases to chromosomes with almost no similarity. Species divergence in these phytoplankton is occurring through multiple mechanisms acting differently on different chromosomes and likely including acquisition of new genes through horizontal gene transfer. We speculate that this latter process may be involved in altering the cell-surface characteristics of each species. addition, the genome of O. lucimarinus provides insights into the unique metal metabolism of these organisms, which are predicted to have a large number of selenocysteine-containing proteins. Selenoenzymes are more catalytically active than similar enzymes lacking selenium, and thus the cell may require less of that protein. As reported here, selenoenzymes, novel fusion proteins, and loss of some major protein families including ones associated with chromatin are likely important adaptations for achieving a small cell size.

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