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The genome of the stress-tolerant wild tomato species Solanum pennellii

Anthony Bolger 1, 2 Federico Scossa 3, 4 Marie E Bolger 5, 6 Christa Lanz 7 Florian Maumus 8 Takayuki Tohge 3 Hadi Quesneville 8 Saleh Alseekh 9 Iben Sørensen 10 Gabriel Lichtenstein 11 Eric A Fich 10 Mariana Conte 11 Heike Keller 12 Korbinian Schneeberger 12, 13 Rainer Schwacke 5, 14 Itai Ofner 15 Julia Vrebalov 16 Yimin Xu 16 Sonia Osorio 3, 17 Saulo Alves Aflitos 18 Elio Schijlen 18 José Jimenez-Gomez 19, 20 Malgorzata Ryngajllo 5 Seisuke Kimura 21 Ravi Kumar 21 Daniel Koenig 12, 21 Lauren R Headland 21 Julin N Maloof 21 Neelima Sinha 21 Roeland C H J van Ham 18 René Klein Lankhorst 18 Linyong Mao 16 Alexander Vogel 2 Borjana Arsova 22 Ralph Panstruga 23 Zhangjun Fei 16 Jocelyn K C Rose 10 Dani Zamir 15 Fernando Carrari 11 James J Giovannoni 16, 24 Detlef Weigel 12 Björn Usadel 5, 25, 14 Alisdair R Fernie 3
Abstract : Solanum pennellii is a wild tomato species endemic to Andean regions in South America, where it has evolved to thrive in arid habitats. Because of its extreme stress tolerance and unusual morphology, it is an important donor of germplasm for the cultivated tomato Solanum lycopersicum. Introgression lines (ILs) in which large genomic regions of S. lycopersicum are replaced with the corresponding segments from S. pennellii can show remarkably superior agronomic performance. Here we describe a high-quality genome assembly of the parents of the IL population. By anchoring the S. pennellii genome to the genetic map, we define candidate genes for stress tolerance and provide evidence that transposable elements had a role in the evolution of these traits. Our work paves a path toward further tomato improvement and for deciphering the mechanisms underlying the myriad other agronomic traits that can be improved with S. pennellii germplasm.
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Submitted on : Wednesday, September 23, 2015 - 8:33:11 PM
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Anthony Bolger, Federico Scossa, Marie E Bolger, Christa Lanz, Florian Maumus, et al.. The genome of the stress-tolerant wild tomato species Solanum pennellii. Nature Genetics, Nature Publishing Group, 2014, 46 (9), pp.1034-1038. ⟨10.1038/ng.3046⟩. ⟨hal-01204066⟩



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