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Camuel A, Teulet A, Carcagno M, Haq F, Pacquit V, Gully D, Pervent M, Chaintreuil C, Fardoux J, Horta-Araujo N, Okazaki S, Ratu STN, Gueye F, Zilli J, Nouwen N, Arrighi JF, Luo H, Mergaert P, Deslandes L, Giraud E. Widespread Bradyrhizobium distribution of diverse Type III effectors that trigger legume nodulation in the absence of Nod factor. ISME J 2023; 17:1416-1429. [PMID: 37355742 PMCID: PMC10432411 DOI: 10.1038/s41396-023-01458-1] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 06/08/2023] [Accepted: 06/13/2023] [Indexed: 06/26/2023]
Abstract
The establishment of the rhizobium-legume symbiosis is generally based on plant perception of Nod factors (NFs) synthesized by the bacteria. However, some Bradyrhizobium strains can nodulate certain legume species, such as Aeschynomene spp. or Glycine max, independently of NFs, and via two different processes that are distinguished by the necessity or not of a type III secretion system (T3SS). ErnA is the first known type III effector (T3E) triggering nodulation in Aeschynomene indica. In this study, a collection of 196 sequenced Bradyrhizobium strains was tested on A. indica. Only strains belonging to the photosynthetic supergroup can develop a NF-T3SS-independent symbiosis, while the ability to use a T3SS-dependent process is found in multiple supergroups. Of these, 14 strains lacking ernA were tested by mutagenesis to identify new T3Es triggering nodulation. We discovered a novel T3E, Sup3, a putative SUMO-protease without similarity to ErnA. Its mutation in Bradyrhizobium strains NAS96.2 and WSM1744 abolishes nodulation and its introduction in an ernA mutant of strain ORS3257 restores nodulation. Moreover, ectopic expression of sup3 in A. indica roots led to the formation of spontaneous nodules. We also report three other new T3Es, Ubi1, Ubi2 and Ubi3, which each contribute to the nodulation capacity of strain LMTR13. These T3Es have no homology to known proteins but share with ErnA three motifs necessary for ErnA activity. Together, our results highlight an unsuspected distribution and diversity of T3Es within the Bradyrhizobium genus that may contribute to their symbiotic efficiency by participating in triggering legume nodulation.
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Affiliation(s)
- Alicia Camuel
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), UMR IRD/Institut Agro/INRAE/Université de Montpellier/CIRAD, TA-A82/J- Campus de Baillarguet 34398, Montpellier cedex 5, France
- PHIM Plant Health Institute, Université de Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Albin Teulet
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), UMR IRD/Institut Agro/INRAE/Université de Montpellier/CIRAD, TA-A82/J- Campus de Baillarguet 34398, Montpellier cedex 5, France
- University of Cambridge, Sainsbury Laboratory (SLCU), Cambridge, CB2 1LR, UK
| | - Mélanie Carcagno
- LIPME, Université de Toulouse, INRAE, CNRS, Castanet-Tolosan, France
| | - Fazal Haq
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), 91198, Gif-sur-Yvette, France
| | - Valérie Pacquit
- LIPME, Université de Toulouse, INRAE, CNRS, Castanet-Tolosan, France
| | - Djamel Gully
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), UMR IRD/Institut Agro/INRAE/Université de Montpellier/CIRAD, TA-A82/J- Campus de Baillarguet 34398, Montpellier cedex 5, France
- PHIM Plant Health Institute, Université de Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Marjorie Pervent
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), UMR IRD/Institut Agro/INRAE/Université de Montpellier/CIRAD, TA-A82/J- Campus de Baillarguet 34398, Montpellier cedex 5, France
- PHIM Plant Health Institute, Université de Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Clémence Chaintreuil
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), UMR IRD/Institut Agro/INRAE/Université de Montpellier/CIRAD, TA-A82/J- Campus de Baillarguet 34398, Montpellier cedex 5, France
- PHIM Plant Health Institute, Université de Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Joël Fardoux
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), UMR IRD/Institut Agro/INRAE/Université de Montpellier/CIRAD, TA-A82/J- Campus de Baillarguet 34398, Montpellier cedex 5, France
| | - Natasha Horta-Araujo
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), UMR IRD/Institut Agro/INRAE/Université de Montpellier/CIRAD, TA-A82/J- Campus de Baillarguet 34398, Montpellier cedex 5, France
- PHIM Plant Health Institute, Université de Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Shin Okazaki
- Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, 183-8509, Japan
| | - Safirah Tasa Nerves Ratu
- Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, 183-8509, Japan
| | - Fatou Gueye
- Carrefour International, Bureau Régional Afrique de l'Ouest, Dakar, Sénégal
| | - Jerri Zilli
- Embrapa Agrobiologia, Bairro Ecologia, Seropedica, Rio de Janeiro, Brazil
| | - Nico Nouwen
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), UMR IRD/Institut Agro/INRAE/Université de Montpellier/CIRAD, TA-A82/J- Campus de Baillarguet 34398, Montpellier cedex 5, France
- PHIM Plant Health Institute, Université de Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Jean-François Arrighi
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), UMR IRD/Institut Agro/INRAE/Université de Montpellier/CIRAD, TA-A82/J- Campus de Baillarguet 34398, Montpellier cedex 5, France
- PHIM Plant Health Institute, Université de Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Haiwei Luo
- School of Life Sciences and State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Peter Mergaert
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), 91198, Gif-sur-Yvette, France
| | - Laurent Deslandes
- LIPME, Université de Toulouse, INRAE, CNRS, Castanet-Tolosan, France
| | - Eric Giraud
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), UMR IRD/Institut Agro/INRAE/Université de Montpellier/CIRAD, TA-A82/J- Campus de Baillarguet 34398, Montpellier cedex 5, France.
- PHIM Plant Health Institute, Université de Montpellier, IRD, CIRAD, INRAE, Institut Agro, Montpellier, France.
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Vergne A, Giraud E, Camuel A, Bardot C, Billard H, Bouquet C, Corbara B, Gully D, Mathonat F, Jeanthon C, Mary I, Caissard JC, Lehours AC. The Pharaoh's snakes of the Teasel: New insights into Francis Darwin's observations. Ecology 2023; 104:e4030. [PMID: 36912733 DOI: 10.1002/ecy.4030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 01/10/2023] [Accepted: 02/09/2023] [Indexed: 03/14/2023]
Affiliation(s)
- Antoine Vergne
- Université Clermont Auvergne, CNRS, LMGE, F-63000, Clermont-Ferrand, France
| | - Eric Giraud
- Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), IRD, Université de Montpellier, CIRAD, INRAE, Institut Agro, TA-A82/J- Campus de Baillarguet, 34398 Montpellier cedex 5, France.,Plant Health Institute, IRD, Université Montpellier, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Alicia Camuel
- Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), IRD, Université de Montpellier, CIRAD, INRAE, Institut Agro, TA-A82/J- Campus de Baillarguet, 34398 Montpellier cedex 5, France.,Plant Health Institute, IRD, Université Montpellier, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Corinne Bardot
- Université Clermont Auvergne, CNRS, LMGE, F-63000, Clermont-Ferrand, France
| | - Hermine Billard
- Université Clermont Auvergne, CNRS, LMGE, F-63000, Clermont-Ferrand, France
| | - Clémentin Bouquet
- Université Clermont Auvergne, CNRS, LMGE, F-63000, Clermont-Ferrand, France
| | - Bruno Corbara
- Université Clermont Auvergne, CNRS, LMGE, F-63000, Clermont-Ferrand, France
| | - Djamel Gully
- Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), IRD, Université de Montpellier, CIRAD, INRAE, Institut Agro, TA-A82/J- Campus de Baillarguet, 34398 Montpellier cedex 5, France.,Plant Health Institute, IRD, Université Montpellier, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Frédéric Mathonat
- Université Clermont Auvergne, CNRS, LMGE, F-63000, Clermont-Ferrand, France
| | - Christian Jeanthon
- CNRS, Sorbonne Université, Station Biologique de Roscoff, Adaptation et Diversité en Milieu Marin, Roscoff, France
| | - Isabelle Mary
- Université Clermont Auvergne, CNRS, LMGE, F-63000, Clermont-Ferrand, France
| | - Jean-Claude Caissard
- Université de Lyon, UJM-Saint-Etienne, CNRS, LBVpam UMR 5079, 23 rue du Dr Paul Michelon, F-42023, Saint-Etienne, France
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Abstract
To suppress plant immunity and promote the intracellular infection required for fixing nitrogen for the benefit of their legume hosts, many rhizobia use type III secretion systems (T3SSs) that deliver effector proteins (T3Es) inside host cells. As reported for interactions between pathogens and host plants, the immune system of legume hosts and the cocktail of T3Es secreted by rhizobia determine the symbiotic outcome. If they remain undetected, T3Es may reduce plant immunity and thus promote infection of legumes by rhizobia. If one or more of the secreted T3Es are recognized by the cognate plant receptors, defense responses are triggered and rhizobial infection may abort. However, some rhizobial T3Es can also circumvent the need for nodulation (Nod) factors to trigger nodule formation. Here we review the multifaceted roles played by rhizobial T3Es during symbiotic interactions with legumes. Expected final online publication date for the Annual Review of Microbiology, Volume 76 is September 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Albin Teulet
- Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), IRD, Institut Agro, INRAE, Université de Montpellier, and CIRAD, Montpellier, France;
| | - Alicia Camuel
- Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), IRD, Institut Agro, INRAE, Université de Montpellier, and CIRAD, Montpellier, France; .,PHIM Plant Health Institute, IRD, Institut Agro, INRAE, Université de Montpellier, and CIRAD, Montpellier, France
| | - Xavier Perret
- Laboratory of Microbial Genetics, Department of Botany and Plant Biology, University of Geneva, Geneva, Switzerland
| | - Eric Giraud
- Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), IRD, Institut Agro, INRAE, Université de Montpellier, and CIRAD, Montpellier, France; .,PHIM Plant Health Institute, IRD, Institut Agro, INRAE, Université de Montpellier, and CIRAD, Montpellier, France
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Songwattana P, Chaintreuil C, Wongdee J, Teulet A, Mbaye M, Piromyou P, Gully D, Fardoux J, Zoumman AMA, Camuel A, Tittabutr P, Teaumroong N, Giraud E. Identification of type III effectors modulating the symbiotic properties of Bradyrhizobium vignae strain ORS3257 with various Vigna species. Sci Rep 2021; 11:4874. [PMID: 33649428 PMCID: PMC7921652 DOI: 10.1038/s41598-021-84205-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 02/05/2021] [Indexed: 12/20/2022] Open
Abstract
The Bradyrhizobium vignae strain ORS3257 is an elite strain recommended for cowpea inoculation in Senegal. This strain was recently shown to establish symbioses on some Aeschynomene species using a cocktail of Type III effectors (T3Es) secreted by the T3SS machinery. In this study, using a collection of mutants in different T3Es genes, we sought to identify the effectors that modulate the symbiotic properties of ORS3257 in three Vigna species (V. unguiculata, V. radiata and V. mungo). While the T3SS had a positive impact on the symbiotic efficiency of the strain in V. unguiculata and V. mungo, it blocked symbiosis with V. radiata. The combination of effectors promoting nodulation in V. unguiculata and V. mungo differed, in both cases, NopT and NopAB were involved, suggesting they are key determinants for nodulation, and to a lesser extent, NopM1 and NopP1, which are additionally required for optimal symbiosis with V. mungo. In contrast, only one effector, NopP2, was identified as the cause of the incompatibility between ORS3257 and V. radiata. The identification of key effectors which promote symbiotic efficiency or render the interaction incompatible is important for the development of inoculation strategies to improve the growth of Vigna species cultivated in Africa and Asia.
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Affiliation(s)
- Pongpan Songwattana
- School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
| | - Clémence Chaintreuil
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR 113, IRD/CIRAD/INRAE/Université de Montpellier/SupAgro, Campus de Baillarguet, TA-A82/J, 34398, Montpellier Cedex 5, France.,IRD, Laboratoire Commun de Microbiologie, UR040, ISRA, UCAD, Centre de Recherche de Bel Air, Dakar, Senegal
| | - Jenjira Wongdee
- School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
| | - Albin Teulet
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR 113, IRD/CIRAD/INRAE/Université de Montpellier/SupAgro, Campus de Baillarguet, TA-A82/J, 34398, Montpellier Cedex 5, France
| | - Mamadou Mbaye
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR 113, IRD/CIRAD/INRAE/Université de Montpellier/SupAgro, Campus de Baillarguet, TA-A82/J, 34398, Montpellier Cedex 5, France
| | - Pongdet Piromyou
- School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
| | - Djamel Gully
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR 113, IRD/CIRAD/INRAE/Université de Montpellier/SupAgro, Campus de Baillarguet, TA-A82/J, 34398, Montpellier Cedex 5, France
| | - Joel Fardoux
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR 113, IRD/CIRAD/INRAE/Université de Montpellier/SupAgro, Campus de Baillarguet, TA-A82/J, 34398, Montpellier Cedex 5, France
| | - Alexandre Mahougnon Aurel Zoumman
- IRD, Laboratoire Commun de Microbiologie, UR040, ISRA, UCAD, Centre de Recherche de Bel Air, Dakar, Senegal.,Département de Biologie Végétale, University Cheikh Anta Diop, Dakar, Senegal
| | - Alicia Camuel
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR 113, IRD/CIRAD/INRAE/Université de Montpellier/SupAgro, Campus de Baillarguet, TA-A82/J, 34398, Montpellier Cedex 5, France
| | - Panlada Tittabutr
- School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
| | - Neung Teaumroong
- School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand.
| | - Eric Giraud
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR 113, IRD/CIRAD/INRAE/Université de Montpellier/SupAgro, Campus de Baillarguet, TA-A82/J, 34398, Montpellier Cedex 5, France.
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Estevan J, Gómez‐Jiménez S, Falavigna VDS, Camuel A, Planel L, Costes E, Andrés F. An efficient protocol for functional studies of apple transcription factors using a glucocorticoid receptor fusion system. Appl Plant Sci 2020; 8:e11396. [PMID: 33163295 PMCID: PMC7598887 DOI: 10.1002/aps3.11396] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 08/06/2020] [Indexed: 05/17/2023]
Abstract
PREMISE We report a protocol for studying the function of apple (Malus ×domestica) transcription factors based on the glucocorticoid receptor (GR) system, which allows the dexamethasone (DEX)-mediated activation of plant transcription factors to monitor the expression levels of their potential target genes. METHODS AND RESULTS Apple leaves are transformed with a vector that allows the expression of the studied transcription factor (i.e., FLOWERING LOCUS C [MdFLC]) fused to GR. Calli derived from the transformed leaves are treated with DEX and cycloheximide, a protein synthesis inhibitor. Compared with other methods, combining the GR system with cycloheximide treatments enables the differentiation between direct and indirect transcription factor target genes. Finally, the expression levels of putative MdFLC target genes are quantified using quantitative reverse transcription PCR. CONCLUSIONS We demonstrate the efficiency of our GR system to study the function of apple transcription factors. This method is accessible to any laboratory familiar with basic molecular cloning procedures and the apple leaf-mediated agro-transformation technique.
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Affiliation(s)
- Joan Estevan
- AGAPUniversity of MontpellierCIRADINRAEInstitut AgroMontpellierFrance
| | | | - Vítor da Silveira Falavigna
- AGAPUniversity of MontpellierCIRADINRAEInstitut AgroMontpellierFrance
- Present address:
Max Planck Institute for Plant Breeding ResearchCarl‐von‐Linne‐Weg 1050829CologneGermany
| | - Alicia Camuel
- AGAPUniversity of MontpellierCIRADINRAEInstitut AgroMontpellierFrance
| | - Lisa Planel
- AGAPUniversity of MontpellierCIRADINRAEInstitut AgroMontpellierFrance
| | - Evelyne Costes
- AGAPUniversity of MontpellierCIRADINRAEInstitut AgroMontpellierFrance
| | - Fernando Andrés
- AGAPUniversity of MontpellierCIRADINRAEInstitut AgroMontpellierFrance
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Teulet A, Gully D, Rouy Z, Camuel A, Koebnik R, Giraud E, Lassalle F. Phylogenetic distribution and evolutionary dynamics of nod and T3SS genes in the genus Bradyrhizobium. Microb Genom 2020; 6:mgen000407. [PMID: 32783800 PMCID: PMC7643967 DOI: 10.1099/mgen.0.000407] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 06/26/2020] [Indexed: 01/22/2023] Open
Abstract
Bradyrhizobium are abundant soil bacteria and the major symbiont of legumes. The recent availability of Bradyrhizobium genome sequences provides a large source of information for analysis of symbiotic traits. In this study, we investigated the evolutionary dynamics of the nodulation genes (nod) and their relationship with the genes encoding type III secretion systems (T3SS) and their effectors among bradyrhizobia. Based on the comparative analysis of 146 Bradyrhizobium genome sequences, we identified six different types of T3SS gene clusters. The two predominant cluster types are designated RhcIa and RhcIb and both belong to the RhcI-T3SS family previously described in other rhizobia. They are found in 92/146 strains, most of them also containing nod genes. RhcIa and RhcIb gene clusters differ in the genes they carry: while the translocon-encoding gene nopX is systematically found in strains containing RhcIb, the nopE and nopH genes are specifically conserved in strains containing RhcIa, suggesting that these last two genes might functionally substitute nopX and play a role related to effector translocation. Phylogenetic analysis suggests that bradyrhizobia simultaneously gained nod and RhcI-T3SS gene clusters via horizontal transfer or subsequent vertical inheritance of a symbiotic island containing both. Sequence similarity searches for known Nop effector proteins in bradyrhizobial proteomes revealed the absence of a so-called core effectome, i.e. that no effector is conserved among all Bradyrhizobium strains. However, NopM and SUMO proteases were found to be the main effector families, being represented in the majority of the genus. This study indicates that bradyrhizobial T3SSs might play a more significant symbiotic role than previously thought and provides new candidates among T3SS structural proteins and effectors for future functional investigations.
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Affiliation(s)
- Albin Teulet
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), UMR IRD/SupAgro/INRA/Université de Montpellier/CIRAD, TA-A82/J – Campus de Baillarguet 34398, Montpellier cedex 5, France
| | - Djamel Gully
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), UMR IRD/SupAgro/INRA/Université de Montpellier/CIRAD, TA-A82/J – Campus de Baillarguet 34398, Montpellier cedex 5, France
| | - Zoe Rouy
- LABGeM, Génomique Métabolique, CEA, Genoscope, Institut François Jacob, Université d’Évry, Université Paris-Saclay, CNRS, Evry, France
| | - Alicia Camuel
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), UMR IRD/SupAgro/INRA/Université de Montpellier/CIRAD, TA-A82/J – Campus de Baillarguet 34398, Montpellier cedex 5, France
| | - Ralf Koebnik
- IRD, CIRAD, Université de Montpellier, IPME, Montpellier, France
| | - Eric Giraud
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM), UMR IRD/SupAgro/INRA/Université de Montpellier/CIRAD, TA-A82/J – Campus de Baillarguet 34398, Montpellier cedex 5, France
| | - Florent Lassalle
- Department of Infectious Disease Epidemiology. Imperial College London, St Mary’s Hospital Campus, Praed Street, London W2 1NY, UK
- Pathogen and Microbes Program, Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire CB10 1SA, UK
- Present address: Pathogen and Microbes Program, Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire CB10 1SA, UK
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