Jasmonate signalling in plants

RSolano

 

Roberto Solano

Group Leader

Contact

 

Research summary

We are interested in understanding how plants are able to perceive changes in their environmentand integrate stress signals with their internal developmental programs, to induce adaptive responses and survive in nature. This integration depends on complex signalling networks that regulate the genetic reprogramming of the cell. The main focus of my lab is to understand one of the pathways involved in this network, the jasmonate(JA) signalling pathway, in plants.

 

Publications

Peñuelas M, Monte I, Schweizer F, Vallat A, Reymond P, García-Casado G, Franco-Zorrilla JM, Solano R. Jasmonate-Related MYC Transcription Factors Are Functionally Conserved in Marchantia polymorpha.  The Plant Cell 2019; DOI: https://doi.org/10.1105/tpc.18.00974

Monte I, Franco-Zorrilla JM, García-Casado G, Angel M. Zamarreño, José M. García-Mina, Ryuichi Nishihama, Takayuki Kohchi and Roberto Solano. A Single JAZ Repressor Controls the Jasmonate Pathway in Marchantia polymorpha. Mol Plant. 2019;12(2):185‐198. doi:10.1016/j.molp.2018.12.017

Gimenez-Ibanez S, Zamarreño AM, García-Mina JM, Solano R. An Evolutionarily Ancient Immune System Governs the Interactions between Pseudomonas syringae and an Early-Diverging Land Plant Lineage. Current Biology 2019;29(14):2270‐2281.e4. doi:10.1016/j.cub.2019.05.079

Ortigosa A, Gimenez-Ibañez S, Leonhardt N and Solano R. Design of a bacterial speck resistant tomato by CRISPR/Cas9-mediated editing of SlJAZ2. Plant Biotechnology Journal . 2019. 17, 665-673

Chico JM, Lechner E, Fernandez-Barbero G, Esther Canibano, Gloria García-Casado, Jose Manuel Franco-Zorrilla JM, Hammann P, Zamarreño AM, García-Mina JM, Rubio V, Genschik P, Solano R CUL3BPM E3 ubiquitin ligases regulate MYC2, MYC3, and MYC4 stability and JA responses. Proc Natl Acad Sci USA 2020;117(11):6205‐6215. doi:10.1073/pnas.1912199117

Monte I, Kneeshaw S, Franco-Zorrilla JM, Chini A, Zamarreño AM, García-Mina JM, Solano R. An Ancient COI1-Independent Function for Reactive Electrophilic Oxylipins in Thermotolerance. Curr Biol 2020; 30, 962–971 doi.org/10.1016/j.cub.2020.01.023

Ortigosa A, Fonseca S, Franco‐Zorrilla JM, Fernández‐Calvo P, Zander M, Lewsey MG, García‐Casado G, Fernández‐Barbero G, Ecker JR, Solano R. The JA‐pathway MYC transcription factors regulate photomorphogenic responses by targeting HY5 gene expression. The Plant Journal 2020 DOI: 10.1111/tpj.14618

 

 

Fig 1 Jasmonates (JAs) are fatty acid-derived signalling molecules essential for the survival of plants in nature since they are important activators of stress responses and developmental programs. The main focus of our lab is to understand mechanistically the JA signalling pathway in plants; knowledge that is basic to design biotech and agronomical applications that improve plant resistance to stresses and plant yield. We have traditionally worked in the model plant Arabidopsis thaliana, but have recently focused in the Liverwort Marchantia polymorpha due to its remarkable genetic advantages, such as very low gene redundancy. Our major achievements in the last two years:

  • Discovery of a new pathway for JA biosynthesis (Chini et al., Nature Chem Biol 2018)
  • Discovery of the bioactive jasmonate in Bryophytes (Monte et al., Nature Chem Biol 2018)
  • Participation in the sequencing and analysis of the genome of Marchantia polymorpha (Bowman et al., Cell 2017)
  • Identification of the tomato orthologue of AtJAZ2 and design of tomato plant resistant to Pseudomonas syringae by CRISPR/Cas9-based mutation of SlJAZ2 (Gimenez-Ibanez et al., New Phytol 2017; Ortigosa et al., Plant Biotechnol J 2018).
  • Filing of a patent for the biotech application of JAZ2 to improve resistance to plant pathogens: PCT/EP17/078493 owned by the CSIC and licensed to PBL (Plant Biotech Limited, UK).
  • Characterisation of the TIFY family in wheat (Ebel et al., PLoS One 2018).
  • Identification and characterisation of a new fungal jasmonate (Chini et al., J Exp Bot 2018).
  • Collaboration in the characterisation of a JAZ subtype-selective agonist of jasmonate perception (Takaoka et al., Nat Commun 2018).
  • Identification of the DNA target sequence of many plant transcription factors using previously developed tools and in collaboration with several groups (Molina-Hidalgo et al., J Exp Bot 2017; Gallemi et al., New Phytol 2017; Hichri et al., Front Plant Sci 2017; Yan et al., PNAS 2017; Matthijs et al., EMBO J 2017).

Fig2

 

grupoSolanoRed 

Name
Position
Contact
Roberto Solano Principal investigator
Andrea Chini Senior scientist
Jose Manuel Chico Postdoctoral scientist
Selena Giménez Ibañez Postdoctoral scientist
Sophie Kneeshaw Postdoctoral scientist
Guillermo Jiménez Alemán Postdoctoral scientist
Gonzalo Soriano Postdoctoral scientist
Andrés Ortigosa Urbieta Predoctoral scientist
María Peñuelas Predoctoral student
Alberto Iniesta Predoctoral student
Gemma Fernández Barbero Technician

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