Plant Mol Biol (2017) 94:549–564 DOI 10.1007/s11103-017-0625-5 Integration of transcriptomic and metabolic data reveals hub transcription factors involved in drought stress response in sunflower (Helianthus annuus L.) 1,2 3 4 5 5 Sebastián Moschen · Julio A. Di Rienzo · Janet Higgins · Takayuki Tohge · Mutsumi Watanabe · 1,2 1,2 6 6 1,7 Sergio González · Máximo Rivarola · Francisco García‑García · Joaquin Dopazo · H. Esteban Hopp · 5 5 1,2 1,2,8 1,2,7 Rainer Hoefgen · Alisdair R. Fernie · Norma Paniego · Paula Fernández · Ruth A. Heinz Received: 18 March 2017 / Accepted: 12 June 2017 / Published online: 21 June 2017 © Springer Science+Business Media B.V. 2017 Abstract higher levels of sugars, osmoprotectant amino acids and Key message By integration of transcriptional and ionic nutrients under drought conditions. In addition, we metabolic profiles we identified pathways and hubs identified transcription factors that were upregulated dur - transcription factors regulated during drought condi‑ ing drought conditions and that may act as hubs in the tions in sunflower, useful for applications in molecular transcriptional network. Many of these transcription fac- and/or biotechnological breeding. tors belong to families implicated in the drought response Abstract Drought is one of the most important environ- in model species. The integration of transcriptomic and mental stresses that effects crop productivity in many agri- metabolomic
Plant Molecular Biology – Springer Journals
Published: Jun 21, 2017
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