The genome of Schmidtea mediterranea and the evolution of core cellular mechanisms

The planarian Schmidtea mediterranea is an important model for stem cell research and regeneration, but adequate genome resources for this species have been lacking. Here we report a highly contiguous genome assembly of S. mediterranea, using long-read sequencing and a de novo assembler (MARVEL) enh...

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Main Authors: Grohme, Markus Alexander (Author) , Schloißnig, Siegfried (Author) , Pippel, Martin (Author) , Powell, Sean (Author)
Format: Article (Journal)
Language:English
Published: 24 January 2018
In: Nature
Year: 2018, Volume: 554, Issue: 7690, Pages: 56-61
ISSN:1476-4687
DOI:10.1038/nature25473
Online Access:Verlag, Volltext: http://dx.doi.org/10.1038/nature25473
Verlag, Volltext: https://www.nature.com/articles/nature25473
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Author Notes:Markus Alexander Grohme, Siegfried Schloissnig, Andrei Rozanski, Martin Pippel, George Robert Young, Sylke Winkler, Holger Brandl, Ian Henry, Andreas Dahl, Sean Powell, Michael Hiller, Eugene Myers, Jochen Christian Rink
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Summary:The planarian Schmidtea mediterranea is an important model for stem cell research and regeneration, but adequate genome resources for this species have been lacking. Here we report a highly contiguous genome assembly of S. mediterranea, using long-read sequencing and a de novo assembler (MARVEL) enhanced for low-complexity reads. The S. mediterranea genome is highly polymorphic and repetitive, and harbours a novel class of giant retroelements. Furthermore, the genome assembly lacks a number of highly conserved genes, including critical components of the mitotic spindle assembly checkpoint, but planarians maintain checkpoint function. Our genome assembly provides a key model system resource that will be useful for studying regeneration and the evolutionary plasticity of core cell biological mechanisms.
Item Description:Gesehen am 14.02.2018
Physical Description:Online Resource
ISSN:1476-4687
DOI:10.1038/nature25473