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Vallet A, Martin-Laffon J, Favier A, Revel B, Bonnot T, Vidaud C, Armengaud J, Gaillard JC, Delangle P, Devime F, Figuet S, Serre NBC, Erba EB, Brutscher B, Ravanel S, Bourguignon J, Alban C. The plasma membrane-associated cation-binding protein PCaP1 of Arabidopsis thaliana is a uranyl-binding protein. J Hazard Mater 2023; 446:130668. [PMID: 36608581 DOI: 10.1016/j.jhazmat.2022.130668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 12/14/2022] [Accepted: 12/23/2022] [Indexed: 06/17/2023]
Abstract
Uranium (U) is a naturally-occurring radionuclide that is toxic to living organisms. Given that proteins are primary targets of U(VI), their identification is an essential step towards understanding the mechanisms of radionuclide toxicity, and possibly detoxification. Here, we implemented a chromatographic strategy including immobilized metal affinity chromatography to trap protein targets of uranyl in Arabidopsis thaliana. This procedure allowed the identification of 38 uranyl-binding proteins (UraBPs) from root and shoot extracts. Among them, UraBP25, previously identified as plasma membrane-associated cation-binding protein 1 (PCaP1), was further characterized as a protein interacting in vitro with U(VI) and other metals using spectroscopic and structural approaches, and in planta through analyses of the fate of U(VI) in Arabidopsis lines with altered PCaP1 gene expression. Our results showed that recombinant PCaP1 binds U(VI) in vitro with affinity in the nM range, as well as Cu(II) and Fe(III) in high proportions, and that Ca(II) competes with U(VI) for binding. U(VI) induces PCaP1 oligomerization through binding at the monomer interface, at both the N-terminal structured domain and the C-terminal flexible region. Finally, U(VI) translocation in Arabidopsis shoots was affected in pcap1 null-mutant, suggesting a role for this protein in ion trafficking in planta.
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Affiliation(s)
- Alicia Vallet
- Univ. Grenoble Alpes, CEA, CNRS, IRIG, IBS, 38000 Grenoble, France
| | | | - Adrien Favier
- Univ. Grenoble Alpes, CEA, CNRS, IRIG, IBS, 38000 Grenoble, France
| | - Benoît Revel
- Univ. Grenoble Alpes, CNRS, CEA, INRAE, IRIG, LPCV, 38000 Grenoble, France
| | - Titouan Bonnot
- Univ. Grenoble Alpes, CNRS, CEA, INRAE, IRIG, LPCV, 38000 Grenoble, France
| | - Claude Vidaud
- BIAM, CEA, CNRS, Univ. Aix-Marseille, 13108 Saint-Paul-lez-Durance, France
| | - Jean Armengaud
- Département Médicaments et Technologies pour la Santé (DMTS), Université Paris-Saclay, CEA, INRAE, SPI, F-F-30200 Bagnols-sur-Cèze, France
| | - Jean-Charles Gaillard
- Département Médicaments et Technologies pour la Santé (DMTS), Université Paris-Saclay, CEA, INRAE, SPI, F-F-30200 Bagnols-sur-Cèze, France
| | - Pascale Delangle
- Univ. Grenoble Alpes, CEA, CNRS, GRE-INP, IRIG, SyMMES, 38000 Grenoble, France
| | - Fabienne Devime
- Univ. Grenoble Alpes, CNRS, CEA, INRAE, IRIG, LPCV, 38000 Grenoble, France
| | - Sylvie Figuet
- Univ. Grenoble Alpes, CNRS, CEA, INRAE, IRIG, LPCV, 38000 Grenoble, France
| | - Nelson B C Serre
- Univ. Grenoble Alpes, CNRS, CEA, INRAE, IRIG, LPCV, 38000 Grenoble, France
| | | | | | - Stéphane Ravanel
- Univ. Grenoble Alpes, CNRS, CEA, INRAE, IRIG, LPCV, 38000 Grenoble, France
| | | | - Claude Alban
- Univ. Grenoble Alpes, CNRS, CEA, INRAE, IRIG, LPCV, 38000 Grenoble, France.
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Ricroch AE, Martin-Laffon J, Rault B, Pallares VC, Kuntz M. Next biotechnological plants for addressing global challenges: The contribution of transgenesis and new breeding techniques. N Biotechnol 2021; 66:25-35. [PMID: 34537403 DOI: 10.1016/j.nbt.2021.09.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 09/10/2021] [Accepted: 09/11/2021] [Indexed: 12/22/2022]
Abstract
The aim of this survey is to identify and characterize new products in plant biotechnology since 2015, especially in relation to the advent of New Breeding Techniques (NBTs) such as gene editing based on the CRISPR-Cas system. Transgenic (gene transfer or gene silencing) and gene edited traits which are approved or marketed in at least one country, or which have a non-regulated status in the USA, are collected, as well as related patents worldwide. In addition, to shed light on potential innovation for Africa, field trials on the continent are examined. The compiled data are classified in application categories, including agronomic improvements, industrial use and medical use, namely production of recombinant therapeutic molecules or vaccines (including against Covid-19). The data indicate that gene editing appears to be an effective complement to 'classical' transgenesis, the use of which is not declining, rather than a replacement, a trend also observed in the patenting landscape. Nevertheless, increased use of gene editing is apparent. Compared to transgenesis, gene editing has increased the proportion of some crop species and decreased others amongst approved, non-regulated or marketed products. A similar differential trend is observed for breeding traits. Gene editing has also favored the emergence of new private companies. China, and prevalently its public sector, overwhelmingly dominates the patenting landscape, but not the approved/marketed one, which is dominated by the USA. The data point in the direction that regulatory environments will favor or discourage innovation.
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Affiliation(s)
- Agnès E Ricroch
- IDEST, Paris-Saclay University, Sceaux, France; AgroParisTech, Paris, France.
| | - Jacqueline Martin-Laffon
- Laboratory of Cell and Plant Physiology, University of Grenoble Alpes, CNRS, CEA, INRAE, Grenoble, France
| | | | | | - Marcel Kuntz
- Laboratory of Cell and Plant Physiology, University of Grenoble Alpes, CNRS, CEA, INRAE, Grenoble, France
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Berthet S, Villiers F, Alban C, Serre NBC, Martin-Laffon J, Figuet S, Boisson AM, Bligny R, Kuntz M, Finazzi G, Ravanel S, Bourguignon J. Arabidopsis thaliana plants challenged with uranium reveal new insights into iron and phosphate homeostasis. New Phytol 2018; 217:657-670. [PMID: 29165807 DOI: 10.1111/nph.14865] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 09/24/2017] [Indexed: 06/07/2023]
Abstract
Uranium (U) is a naturally occurring radionuclide that is toxic to plants. It is known to interfere with phosphate nutrition and to modify the expression of iron (Fe)-responsive genes. The transporters involved in the uptake of U from the environment are unknown. Here, we addressed whether IRT1, a high-affinity Fe2+ transporter, could contribute to U uptake in Arabidopsis thaliana. An irt1 null mutant was grown hydroponically in different conditions of Fe bioavailability and phosphate supply, and challenged with uranyl. Several physiological parameters (fitness, photosynthesis) were measured to evaluate the response to U treatment. We found that IRT1 is not a major route for U uptake in our experimental conditions. However, the analysis of irt1 indicated that uranyl interferes with Fe and phosphate homeostasis at different levels. In phosphate-sufficient conditions, the absence of the cation chelator EDTA in the medium has drastic consequences on the physiology of irt1, with important symptoms of Fe deficiency in chloroplasts. These effects are counterbalanced by U, probably because the radionuclide competes with Fe for complexation with phosphate and thus releases active Fe for metabolic and biogenic processes. Our study reveals that challenging plants with U is useful to decipher the complex interplay between Fe and phosphate.
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Affiliation(s)
- Serge Berthet
- Univ. Grenoble Alpes, CEA, CNRS, INRA, BIG-LPCV, 38000, Grenoble, France
| | - Florent Villiers
- Univ. Grenoble Alpes, CEA, CNRS, INRA, BIG-LPCV, 38000, Grenoble, France
| | - Claude Alban
- Univ. Grenoble Alpes, CEA, CNRS, INRA, BIG-LPCV, 38000, Grenoble, France
| | - Nelson B C Serre
- Univ. Grenoble Alpes, CEA, CNRS, INRA, BIG-LPCV, 38000, Grenoble, France
| | | | - Sylvie Figuet
- Univ. Grenoble Alpes, CEA, CNRS, INRA, BIG-LPCV, 38000, Grenoble, France
| | - Anne-Marie Boisson
- Univ. Grenoble Alpes, CEA, CNRS, INRA, BIG-LPCV, 38000, Grenoble, France
| | - Richard Bligny
- Univ. Grenoble Alpes, CEA, CNRS, INRA, BIG-LPCV, 38000, Grenoble, France
| | - Marcel Kuntz
- Univ. Grenoble Alpes, CEA, CNRS, INRA, BIG-LPCV, 38000, Grenoble, France
| | - Giovanni Finazzi
- Univ. Grenoble Alpes, CEA, CNRS, INRA, BIG-LPCV, 38000, Grenoble, France
| | - Stéphane Ravanel
- Univ. Grenoble Alpes, CEA, CNRS, INRA, BIG-LPCV, 38000, Grenoble, France
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Ma S, Martin-Laffon J, Mininno M, Gigarel O, Brugière S, Bastien O, Tardif M, Ravanel S, Alban C. Molecular Evolution of the Substrate Specificity of Chloroplastic Aldolases/Rubisco Lysine Methyltransferases in Plants. Mol Plant 2016; 9:569-81. [PMID: 26785049 DOI: 10.1016/j.molp.2016.01.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Revised: 12/07/2015] [Accepted: 01/11/2016] [Indexed: 05/09/2023]
Abstract
Rubisco and fructose-1,6-bisphosphate aldolases (FBAs) are involved in CO2 fixation in chloroplasts. Both enzymes are trimethylated at a specific lysine residue by the chloroplastic protein methyltransferase LSMT. Genes coding LSMT are present in all plant genomes but the methylation status of the substrates varies in a species-specific manner. For example, chloroplastic FBAs are naturally trimethylated in both Pisum sativum and Arabidopsis thaliana, whereas the Rubisco large subunit is trimethylated only in the former species. The in vivo methylation status of aldolases and Rubisco matches the catalytic properties of AtLSMT and PsLSMT, which are able to trimethylate FBAs or FBAs and Rubisco, respectively. Here, we created chimera and site-directed mutants of monofunctional AtLSMT and bifunctional PsLSMT to identify the molecular determinants responsible for substrate specificity. Our results indicate that the His-Ala/Pro-Trp triad located in the central part of LSMT enzymes is the key motif to confer the capacity to trimethylate Rubisco. Two of the critical residues are located on a surface loop outside the methyltransferase catalytic site. We observed a strict correlation between the presence of the triad motif and the in vivo methylation status of Rubisco. The distribution of the motif into a phylogenetic tree further suggests that the ancestral function of LSMT was FBA trimethylation. In a recent event during higher plant evolution, this function evolved in ancestors of Fabaceae, Cucurbitaceae, and Rosaceae to include Rubisco as an additional substrate to the archetypal enzyme. Our study provides insight into mechanisms by which SET-domain protein methyltransferases evolve new substrate specificity.
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Affiliation(s)
- Sheng Ma
- Université Grenoble Alpes, Laboratoire de Physiologie Cellulaire & Végétale, 38041 Grenoble, France; CNRS, UMR5168, 38054 Grenoble, France; CEA, iRTSV, Laboratoire de Physiologie Cellulaire & Végétale, 38054 Grenoble, France; INRA, USC1359, 38054 Grenoble, France
| | - Jacqueline Martin-Laffon
- Université Grenoble Alpes, Laboratoire de Physiologie Cellulaire & Végétale, 38041 Grenoble, France; CNRS, UMR5168, 38054 Grenoble, France; CEA, iRTSV, Laboratoire de Physiologie Cellulaire & Végétale, 38054 Grenoble, France; INRA, USC1359, 38054 Grenoble, France
| | - Morgane Mininno
- Université Grenoble Alpes, Laboratoire de Physiologie Cellulaire & Végétale, 38041 Grenoble, France; CNRS, UMR5168, 38054 Grenoble, France; CEA, iRTSV, Laboratoire de Physiologie Cellulaire & Végétale, 38054 Grenoble, France; INRA, USC1359, 38054 Grenoble, France
| | - Océane Gigarel
- Université Grenoble Alpes, Laboratoire de Physiologie Cellulaire & Végétale, 38041 Grenoble, France; CNRS, UMR5168, 38054 Grenoble, France; CEA, iRTSV, Laboratoire de Physiologie Cellulaire & Végétale, 38054 Grenoble, France; INRA, USC1359, 38054 Grenoble, France
| | - Sabine Brugière
- Université Grenoble Alpes, 38041 Grenoble, France; CEA, iRTSV, Biologie à Grande Echelle, 38054 Grenoble, France; INSERM, U1038, 38054 Grenoble, France
| | - Olivier Bastien
- Université Grenoble Alpes, Laboratoire de Physiologie Cellulaire & Végétale, 38041 Grenoble, France; CNRS, UMR5168, 38054 Grenoble, France; CEA, iRTSV, Laboratoire de Physiologie Cellulaire & Végétale, 38054 Grenoble, France; INRA, USC1359, 38054 Grenoble, France
| | - Marianne Tardif
- Université Grenoble Alpes, 38041 Grenoble, France; CEA, iRTSV, Biologie à Grande Echelle, 38054 Grenoble, France; INSERM, U1038, 38054 Grenoble, France
| | - Stéphane Ravanel
- Université Grenoble Alpes, Laboratoire de Physiologie Cellulaire & Végétale, 38041 Grenoble, France; CNRS, UMR5168, 38054 Grenoble, France; CEA, iRTSV, Laboratoire de Physiologie Cellulaire & Végétale, 38054 Grenoble, France; INRA, USC1359, 38054 Grenoble, France
| | - Claude Alban
- Université Grenoble Alpes, Laboratoire de Physiologie Cellulaire & Végétale, 38041 Grenoble, France; CNRS, UMR5168, 38054 Grenoble, France; CEA, iRTSV, Laboratoire de Physiologie Cellulaire & Végétale, 38054 Grenoble, France; INRA, USC1359, 38054 Grenoble, France.
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Mazzoleni M, Figuet S, Martin-Laffon J, Mininno M, Gilgen A, Leroux M, Brugière S, Tardif M, Alban C, Ravanel S. Dual Targeting of the Protein Methyltransferase PrmA Contributes to Both Chloroplastic and Mitochondrial Ribosomal Protein L11 Methylation in Arabidopsis. Plant Cell Physiol 2015; 56:1697-710. [PMID: 26116422 DOI: 10.1093/pcp/pcv098] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Accepted: 06/22/2015] [Indexed: 05/09/2023]
Abstract
Methylation of ribosomal proteins has long been described in prokaryotes and eukaryotes, but our knowledge about the enzymes responsible for these modifications in plants is scarce. The bacterial protein methyltransferase PrmA catalyzes the trimethylation of ribosomal protein L11 (RPL11) at three distinct sites. The role of these modifications is still unknown. Here, we show that PrmA from Arabidopsis thaliana (AtPrmA) is dually targeted to chloroplasts and mitochondria. Mass spectrometry and enzymatic assays indicated that the enzyme methylates RPL11 in plasto- and mitoribosomes in vivo. We determined that the Arabidopsis and Escherichia coli PrmA enzymes share similar product specificity, making trimethylated residues, but, despite an evolutionary relationship, display a difference in substrate site specificity. In contrast to the bacterial enzyme that trimethylates the ε-amino group of two lysine residues and the N-terminal α-amino group, AtPrmA methylates only one lysine in the MAFCK(D/E)(F/Y)NA motif of plastidial and mitochondrial RPL11. The plant enzyme possibly methylates the N-terminus of plastidial RPL11, whereas mitochondrial RPL11 is N-α-acetylated by an unknown acetyltransferase. Lastly, we found that an Arabidopsis prma-null mutant is viable in standard environmental conditions and no molecular defect could be associated with a lack of RPL11 methylation in leaf chloroplasts or mitochondria. However, the conservation of PrmA during the evolution of photosynthetic eukaryotes together with the location of methylated residues at the binding site of translation factors to ribosomes suggests that RPL11 methylation in plant organelles could be involved, in combination with other post-translational modifications, in optimizing ribosome function.
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Affiliation(s)
- Meryl Mazzoleni
- Université Grenoble Alpes, Laboratoire de Physiologie Cellulaire & Végétale, F-38041 Grenoble, France CNRS, UMR5168, F-38054 Grenoble, France CEA, iRTSV, Laboratoire de Physiologie Cellulaire & Végétale, F-38054 Grenoble, France INRA, USC1359, F-38054 Grenoble, France
| | - Sylvie Figuet
- Université Grenoble Alpes, Laboratoire de Physiologie Cellulaire & Végétale, F-38041 Grenoble, France CNRS, UMR5168, F-38054 Grenoble, France CEA, iRTSV, Laboratoire de Physiologie Cellulaire & Végétale, F-38054 Grenoble, France INRA, USC1359, F-38054 Grenoble, France
| | - Jacqueline Martin-Laffon
- Université Grenoble Alpes, Laboratoire de Physiologie Cellulaire & Végétale, F-38041 Grenoble, France CNRS, UMR5168, F-38054 Grenoble, France CEA, iRTSV, Laboratoire de Physiologie Cellulaire & Végétale, F-38054 Grenoble, France INRA, USC1359, F-38054 Grenoble, France
| | - Morgane Mininno
- Université Grenoble Alpes, Laboratoire de Physiologie Cellulaire & Végétale, F-38041 Grenoble, France CNRS, UMR5168, F-38054 Grenoble, France CEA, iRTSV, Laboratoire de Physiologie Cellulaire & Végétale, F-38054 Grenoble, France INRA, USC1359, F-38054 Grenoble, France
| | - Annabelle Gilgen
- Université Grenoble Alpes, Laboratoire de Physiologie Cellulaire & Végétale, F-38041 Grenoble, France CNRS, UMR5168, F-38054 Grenoble, France CEA, iRTSV, Laboratoire de Physiologie Cellulaire & Végétale, F-38054 Grenoble, France INRA, USC1359, F-38054 Grenoble, France
| | - Mélanie Leroux
- Université Grenoble Alpes, Laboratoire de Physiologie Cellulaire & Végétale, F-38041 Grenoble, France CNRS, UMR5168, F-38054 Grenoble, France CEA, iRTSV, Laboratoire de Physiologie Cellulaire & Végétale, F-38054 Grenoble, France INRA, USC1359, F-38054 Grenoble, France
| | - Sabine Brugière
- Université Grenoble Alpes, F-38041 Grenoble, France CEA, iRTSV, Biologie à Grande Echelle, F-38054 Grenoble, France INSERM, U1038, F-38054 Grenoble, France
| | - Marianne Tardif
- Université Grenoble Alpes, F-38041 Grenoble, France CEA, iRTSV, Biologie à Grande Echelle, F-38054 Grenoble, France INSERM, U1038, F-38054 Grenoble, France
| | - Claude Alban
- Université Grenoble Alpes, Laboratoire de Physiologie Cellulaire & Végétale, F-38041 Grenoble, France CNRS, UMR5168, F-38054 Grenoble, France CEA, iRTSV, Laboratoire de Physiologie Cellulaire & Végétale, F-38054 Grenoble, France INRA, USC1359, F-38054 Grenoble, France
| | - Stéphane Ravanel
- Université Grenoble Alpes, Laboratoire de Physiologie Cellulaire & Végétale, F-38041 Grenoble, France CNRS, UMR5168, F-38054 Grenoble, France CEA, iRTSV, Laboratoire de Physiologie Cellulaire & Végétale, F-38054 Grenoble, France INRA, USC1359, F-38054 Grenoble, France
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6
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Ricroch A, Harwood W, Svobodová Z, Sági L, Hundleby P, Badea EM, Rosca I, Cruz G, Salema Fevereiro MP, Marfà Riera V, Jansson S, Morandini P, Bojinov B, Cetiner S, Custers R, Schrader U, Jacobsen HJ, Martin-Laffon J, Boisron A, Kuntz M. Challenges facing European agriculture and possible biotechnological solutions. Crit Rev Biotechnol 2015; 36:875-83. [PMID: 26133365 DOI: 10.3109/07388551.2015.1055707] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Agriculture faces many challenges to maximize yields while it is required to operate in an environmentally sustainable manner. In the present study, we analyze the major agricultural challenges identified by European farmers (primarily related to biotic stresses) in 13 countries, namely Belgium, Bulgaria, the Czech Republic, France, Germany, Hungary, Italy, Portugal, Romania, Spain, Sweden, UK and Turkey, for nine major crops (barley, beet, grapevine, maize, oilseed rape, olive, potato, sunflower and wheat). Most biotic stresses (BSs) are related to fungi or insects, but viral diseases, bacterial diseases and even parasitic plants have an important impact on yield and harvest quality. We examine how these challenges have been addressed by public and private research sectors, using either conventional breeding, marker-assisted selection, transgenesis, cisgenesis, RNAi technology or mutagenesis. Both national surveys and scientific literature analysis followed by text mining were employed to evaluate genetic engineering (GE) and non-GE approaches. This is the first report of text mining of the scientific literature on plant breeding and agricultural biotechnology research. For the nine major crops in Europe, 128 BS challenges were identified with 40% of these addressed neither in the scientific literature nor in recent European public research programs. We found evidence that the private sector was addressing only a few of these "neglected" challenges. Consequently, there are considerable gaps between farmer's needs and current breeding and biotechnology research. We also provide evidence that the current political situation in certain European countries is an impediment to GE research in order to address these agricultural challenges in the future. This study should also contribute to the decision-making process on future pertinent international consortia to fill the identified research gaps.
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Affiliation(s)
- Agnès Ricroch
- a AgroParisTech, Paris and Université Paris-Sud, Collége d'Etudes Interdisciplinaires , Sceaux , France
| | - Wendy Harwood
- b Crop Transformation Group, John Innes Centre (JIC) , Norwich Research Park , Norwich , UK
| | - Zdeňka Svobodová
- c Institute of Entomology BC AS CR, Faculty of Science, University of South Bohemia , České Budějovice , Czech Republic
| | - László Sági
- d Plant Cell Biology Department, Center for Agricultural Research, Hungarian Academy of Sciences , Martonvásár , Hungary
| | - Penelope Hundleby
- b Crop Transformation Group, John Innes Centre (JIC) , Norwich Research Park , Norwich , UK
| | - Elena Marcela Badea
- e Biotechnology and Biosecurity Department , Institute of Biochemistry of the Romanian Academy , Bucharest , Romania
| | - Ioan Rosca
- f University of Agronomic Science and Veterinary Medicine-Bucharest , Bucuresti , Romania
| | - Gabriela Cruz
- g APOSOLO - Associação Portuguesa de Mobilização e Conservação do Solo , Évora , Portugal
| | - Manuel Pedro Salema Fevereiro
- h Laboratory of Plant Cell Biotechnology , ITQB - Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa ITQB/IBET - Apt 127 , Oeiras , Portugal
| | - Victoria Marfà Riera
- i CRAG - Centre de Recerca en AgriGenòmica, Campus UAB - Edifici CRAG, Bellaterra - Cerdanyola del Vallès , Barcelona , Spain
| | - Stefan Jansson
- j Umeå Plant Science Center, Umeå University , UMEÅ , Sweden
| | - Piero Morandini
- k Department of Biosciences , Biophysics Institute of the National Research Council (CNR), Università di Milano , Milano , Italy
| | - Bojin Bojinov
- l Faculty of Agronomy , Agricultural University of Plovdiv , Plovdiv , Bulgaria
| | - Selim Cetiner
- m Faculty of Engineering and Natural Sciences , Sabanci University , Istanbul , Turkey
| | | | - Uwe Schrader
- o InnoPlantae.V., OT Gatersleben , Stadt Seeland , Germany
| | - Hans-Joerg Jacobsen
- p Institut für Pflanzengenetik, Leibniz Universität Hannover , Hannover , Germany
| | - Jacqueline Martin-Laffon
- q Laboratoire de Physiologie Cellulaire Végétale - CNRS , CEA, INRA, Université Grenoble-Alpes , Grenoble , France , and
| | - Audrey Boisron
- r INRA, Direction de la Valorisation, Information Scientifique et Technique , Versailles , France
| | - Marcel Kuntz
- q Laboratoire de Physiologie Cellulaire Végétale - CNRS , CEA, INRA, Université Grenoble-Alpes , Grenoble , France , and
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