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- IMIS: Integrated Marine Information System - |
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| one publication added to basket [212925] | | Untangling genomes from metagenomes: revealing an uncultured class of marine Euryarchaeota |  |
| Iverson, V.; Morris, R.M.; Frazar, C.D.; Berthiaume, C.T.; Morales, R.L.; Armbrust, E.V. (2012). Untangling genomes from metagenomes: revealing an uncultured class of marine Euryarchaeota Science (Wash.) 335(6068): 587-590 + supporting online materials. dx.doi.org/10.1126/science.1212665 |
| In: Science (Washington). American Association for the Advancement of Science: Washington DC. ISSN 0036-8075, meer |
| Abstract |
Ecosystems are shaped by complex communities of mostly unculturable microbes. Metagenomes provide a fragmented view of such communities, but the ecosystem functions of major groups of organisms remain mysterious. To better characterize members of these communities, we developed methods to reconstruct genomes directly from mate-paired short-read metagenomes. We closed a genome representing the as-yet uncultured marine group II Euryarchaeota, assembled de novo from 1.7% of a metagenome sequenced from surface seawater. The genome describes a motile, photo-heterotrophic cell focused on degradation of protein and lipids and clarifies the origin of proteorhodopsin. It also demonstrates that high-coverage mate-paired sequence can overcome assembly difficulties caused by interstrain variation in complex microbial communities, enabling inference of ecosystem functions for uncultured members.
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