Eric Giraud

Summary

Country: France

Publications

  1. ncbi Bacteriophytochrome controls photosystem synthesis in anoxygenic bacteria
    Eric Giraud
    LSTM TA 10 J Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR 113, IRD CIRAD INRA ENSA M Campus de Baillarguet, 34398 Montpellier Cedex 5, France
    Nature 417:202-5. 2002
  2. ncbi Bacteriophytochrome and regulation of the synthesis of the photosynthetic apparatus in Rhodopseudomonas palustris: pitfalls of using laboratory strains
    Eric Giraud
    Laboratoire des Symbioses Tropicales et Méditerranéennes, IRD, CIRAD, AGRO M, INRA, UMII, Montpellier, France
    Photochem Photobiol Sci 3:587-91. 2004
  3. ncbi PpsR: a multifaceted regulator of photosynthesis gene expression in purple bacteria
    Sylvie Elsen
    Laboratoire de Biochimie et Biophysique des Systèmes Intégrés UMR 5092 CNRS CEA UJF, CEA Grenoble, 38054 Grenoble Cedex 9, France
    Mol Microbiol 57:17-26. 2005
  4. ncbi Dual role for a bacteriophytochrome in the bioenergetic control of Rhodopseudomonas palustris: enhancement of photosystem synthesis and limitation of respiration
    Mila Kojadinovic
    CEA Cadarache, DSV IBEB SBVME LBC, UMR 6191 CNRS CEA Univ Aix Marseille, Saint Paul lez Durance, F 13108 France
    Biochim Biophys Acta 1777:163-72. 2008
  5. ncbi [Rhizobium/legume symbiose: a new sesame]
    Eric Giraud
    Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR113, IRD, CIRAD, AGRO M, INRA, UM2, TA A 82 J, Campus de Baillarguet, 34398 Montpellier Cedex 5, France
    Med Sci (Paris) 23:663-4. 2007
  6. ncbi Two distinct crt gene clusters for two different functional classes of carotenoid in Bradyrhizobium
    Eric Giraud
    Institut de Recherche pour le Developpement, Centre de Cooperation Internationale en Recherche Agronomique pour le Developpement, AGRO Montpellier, France
    J Biol Chem 279:15076-83. 2004
  7. ncbi Legumes symbioses: absence of Nod genes in photosynthetic bradyrhizobia
    Eric Giraud
    Institut de Recherche pour le Developpement, Centre de Coopération International en Recherche Agronomique pour le Développement, Institut National de la Recherche Agronomique, Universite Montpellier 2, France
    Science 316:1307-12. 2007
  8. ncbi A new type of bacteriophytochrome acts in tandem with a classical bacteriophytochrome to control the antennae synthesis in Rhodopseudomonas palustris
    Eric Giraud
    Laboratoire des Symbioses Tropicales et Méditerranéennes, IRD, CIRAD, AGRO M, INRA, UM2, TA 10 J, Campus de Baillarguet, Montpellier France
    J Biol Chem 280:32389-97. 2005
  9. pmc Evolution of a bacteriophytochrome from light to redox sensor
    Laurie Vuillet
    Laboratoire des Symbioses Tropicales et Méditerranéennes, IRD, CIRAD, AGRO M, INRA, UM2, Campus de Baillarguet, Montpellier Cedex, France
    EMBO J 26:3322-31. 2007
  10. ncbi Light and redox control of photosynthesis gene expression in Bradyrhizobium: dual roles of two PpsR
    Marianne Jaubert
    Laboratoire des Symbioses Tropicales et Méditerranéennes UMR113 IRD CIRAD AGRO M INRA UM2, TA 10 J, Campus de Baillarguet, 34398 Montpellier 5, France
    J Biol Chem 279:44407-16. 2004

Collaborators

Detail Information

Publications32

  1. ncbi Bacteriophytochrome controls photosystem synthesis in anoxygenic bacteria
    Eric Giraud
    LSTM TA 10 J Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR 113, IRD CIRAD INRA ENSA M Campus de Baillarguet, 34398 Montpellier Cedex 5, France
    Nature 417:202-5. 2002
    ..This specific mechanism of regulation may represent an important ecological adaptation to optimize the plant-bacteria interaction...
  2. ncbi Bacteriophytochrome and regulation of the synthesis of the photosynthetic apparatus in Rhodopseudomonas palustris: pitfalls of using laboratory strains
    Eric Giraud
    Laboratoire des Symbioses Tropicales et Méditerranéennes, IRD, CIRAD, AGRO M, INRA, UMII, Montpellier, France
    Photochem Photobiol Sci 3:587-91. 2004
    ..On the contrary, under laboratory growth conditions where there is no substrate limitation, there is no crucial need for such a regulation and deleterious mutations affecting this process are of no importance...
  3. ncbi PpsR: a multifaceted regulator of photosynthesis gene expression in purple bacteria
    Sylvie Elsen
    Laboratoire de Biochimie et Biophysique des Systèmes Intégrés UMR 5092 CNRS CEA UJF, CEA Grenoble, 38054 Grenoble Cedex 9, France
    Mol Microbiol 57:17-26. 2005
    ....
  4. ncbi Dual role for a bacteriophytochrome in the bioenergetic control of Rhodopseudomonas palustris: enhancement of photosystem synthesis and limitation of respiration
    Mila Kojadinovic
    CEA Cadarache, DSV IBEB SBVME LBC, UMR 6191 CNRS CEA Univ Aix Marseille, Saint Paul lez Durance, F 13108 France
    Biochim Biophys Acta 1777:163-72. 2008
    ....
  5. ncbi [Rhizobium/legume symbiose: a new sesame]
    Eric Giraud
    Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR113, IRD, CIRAD, AGRO M, INRA, UM2, TA A 82 J, Campus de Baillarguet, 34398 Montpellier Cedex 5, France
    Med Sci (Paris) 23:663-4. 2007
  6. ncbi Two distinct crt gene clusters for two different functional classes of carotenoid in Bradyrhizobium
    Eric Giraud
    Institut de Recherche pour le Developpement, Centre de Cooperation Internationale en Recherche Agronomique pour le Developpement, AGRO Montpellier, France
    J Biol Chem 279:15076-83. 2004
    ..This acquisition may constitute a major selective advantage for this class of bacteria, which photosynthesize only under conditions where harmful reactive oxygen species are generated...
  7. ncbi Legumes symbioses: absence of Nod genes in photosynthetic bradyrhizobia
    Eric Giraud
    Institut de Recherche pour le Developpement, Centre de Coopération International en Recherche Agronomique pour le Développement, Institut National de la Recherche Agronomique, Universite Montpellier 2, France
    Science 316:1307-12. 2007
    ..Mutational analyses indicated that these unique rhizobia use an alternative pathway to initiate symbioses, where a purine derivative may play a key role in triggering nodule formation...
  8. ncbi A new type of bacteriophytochrome acts in tandem with a classical bacteriophytochrome to control the antennae synthesis in Rhodopseudomonas palustris
    Eric Giraud
    Laboratoire des Symbioses Tropicales et Méditerranéennes, IRD, CIRAD, AGRO M, INRA, UM2, TA 10 J, Campus de Baillarguet, Montpellier France
    J Biol Chem 280:32389-97. 2005
    ....
  9. pmc Evolution of a bacteriophytochrome from light to redox sensor
    Laurie Vuillet
    Laboratoire des Symbioses Tropicales et Méditerranéennes, IRD, CIRAD, AGRO M, INRA, UM2, Campus de Baillarguet, Montpellier Cedex, France
    EMBO J 26:3322-31. 2007
    ..This is the first complete description of a bacteriophytochrome signal transduction pathway involving a two-component system...
  10. ncbi Light and redox control of photosynthesis gene expression in Bradyrhizobium: dual roles of two PpsR
    Marianne Jaubert
    Laboratoire des Symbioses Tropicales et Méditerranéennes UMR113 IRD CIRAD AGRO M INRA UM2, TA 10 J, Campus de Baillarguet, 34398 Montpellier 5, France
    J Biol Chem 279:44407-16. 2004
    ....
  11. pmc Control of peripheral light-harvesting complex synthesis by a bacteriophytochrome in the aerobic photosynthetic bacterium Bradyrhizobium strain BTAi1
    Marianne Jaubert
    Laboratoire des Symbioses Tropicales et Méditerranéennes, IRD, CIRAD, AGRO M, INRA, UM2, TA A 82 J, Campus de Baillarguet, 34398 Montpellier Cedex 5, France
    J Bacteriol 190:5824-31. 2008
    ..One putative function of this LH complex could be to evacuate excess light energy in order to protect Bradyrhizobium strain BTAi1, an aerobic anoxygenic photosynthetic bacterium, against photooxidative damage during photosynthesis...
  12. doi Photosynthetic Bradyrhizobium Sp. strain ORS285 synthesizes 2-O-methylfucosylated lipochitooligosaccharides for nod gene-dependent interaction with Aeschynomene plants
    Adeline Renier
    Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR IRD, Montpellier, France
    Mol Plant Microbe Interact 24:1440-7. 2011
    ..strain ORS285 and certain Aeschynomene spp. This is supported by the fact that B. japonicum USDA110 is able to form N(2)-fixing nodules on both the roots and stems of Aeschynomene afraspera...
  13. ncbi Aeschynomene evenia, a model plant for studying the molecular genetics of the nod-independent rhizobium-legume symbiosis
    Jean Francois Arrighi
    IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR IRD SupAgro INRA UM2 CIRAD, Montpellier, France
    Mol Plant Microbe Interact 25:851-61. 2012
    ..evenia. This should shed new light on the evolution of rhizobium-legume symbiosis and could have important agronomic implications...
  14. doi Large-scale transposon mutagenesis of photosynthetic Bradyrhizobium sp. strain ORS278 reveals new genetic loci putatively important for nod-independent symbiosis with Aeschynomene indica
    Katia Bonaldi
    Laboratoire des Symbioses Tropicales et Méditerranéennes, IRD, UMR IRD SupAgro INRA UM2 CIRAD, F 34398 Montpellier, France
    Mol Plant Microbe Interact 23:760-70. 2010
    ..Among the novel genes identified, several were involved in the Calvin cycle, suggesting that CO(2) fixation could play an important role during this symbiosis...
  15. ncbi A singular bacteriophytochrome acquired by lateral gene transfer
    Marianne Jaubert
    Laboratoire des Symbioses Tropicales et Méditerranéennes, Campus de Baillarguet, 34398 Montpellier, France
    J Biol Chem 282:7320-8. 2007
    ..These uncommon features suggest that BrBphP3.ORS278 could be fitted to measure light intensity rather than color...
  16. doi Identification of novel genes putatively involved in the photosystem synthesis of Bradyrhizobium sp. ORS 278
    Marianne Jaubert
    Laboratoire des Symbioses Tropicales et Méditerranéennes, IRD, CIRAD, AGRO M, INRA, UM2 TA A 82 J, Campus de Baillarguet, 34398, Montpellier Cedex 5, France
    Photosynth Res 100:97-105. 2009
    ..The presence of homologs in non-photosynthetic bacteria for most of the regulatory genes identified during study suggests that they could be global regulators, as the RegA-RegB system...
  17. doi Nodulation of Crotalaria podocarpa DC. by Methylobacterium nodulans displays very unusual features
    Adeline Renier
    IRD, UMR LSTM, F 34398 Montpellier cedex 5, France
    J Exp Bot 62:3693-7. 2011
    ..This lysis could possibly reflect the bacterial degradation of plant wall pectins through bacterial pectin methyl esterases, thus producing methanol as a substrate, allowing bacterial multiplication before release from the nodule...
  18. doi Nodulation of Aeschynomene afraspera and A. indica by photosynthetic Bradyrhizobium Sp. strain ORS285: the nod-dependent versus the nod-independent symbiotic interaction
    Katia Bonaldi
    Laboratoire des Symbioses Tropicales et Méditerranéennes, Montpellier, France
    Mol Plant Microbe Interact 24:1359-71. 2011
    ..Together, two distinct modes of infection and nodule organogenesis coexist in Aeschynomene legumes, each displaying original features...
  19. doi Characterization of bacteriophytochromes from photosynthetic bacteria: histidine kinase signaling triggered by light and redox sensing
    Eric Giraud
    Laboratoire des Symbioses Tropicales et Méditerranéennes, IRD, CIRAD, AGRO M, INRA, UM2, TA A 82 J, Campus de Baillarguet, Montpellier Cedex 5, France
    Methods Enzymol 471:135-59. 2010
    ..The methods described in this chapter are not restricted to the study of the light-transduction pathways of Rps. palustris and Bradyrhizobium strains but are applicable to the understanding of any bacterial light-regulatory system...
  20. ncbi Methylobacterium nodulans sp. nov., for a group of aerobic, facultatively methylotrophic, legume root-nodule-forming and nitrogen-fixing bacteria
    Philippe Jourand
    Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR 1063, IRD CIRAD INRA Agro M UMII, TA 10 J, Campus International de Baillarguet, 34398 Montpellier Cedex 5, France
    Int J Syst Evol Microbiol 54:2269-73. 2004
    ..The name Methylobacterium nodulans sp. nov. (type strain, ORS 2060(T)=CNCM I 2342(T)=LMG 21967(T)) is proposed for this group of root-nodule-forming bacteria...
  21. pmc Bacterial RuBisCO is required for efficient Bradyrhizobium/Aeschynomene symbiosis
    Benjamin Gourion
    Laboratoire des Symbioses Tropicales et Méditerranéennes, SupAgro Institut National de la Recherche Agronomique Université Montpellier 2 Centre de Coopération Internationale en Recherche Agronomique pour le Développement, Montpellier, France
    PLoS ONE 6:e21900. 2011
    ..This study demonstrates a critical role for bacterial RuBisCO during a rhizobia/legume symbiotic interaction...
  22. pmc Nickel resistance determinants in bradyrhizobium strains from nodules of the endemic New Caledonia legume Serianthes calycina
    Clémence Chaintreuil
    LSTM, Campus International de Baillarguet, TA A 82 J, 34398 Montpellier Cedex 5, France
    Appl Environ Microbiol 73:8018-22. 2007
    ..The genomes of these strains harbored two Ni resistance determinants, the cnr and nre operons. By constructing a cnrA mutant, we demonstrated that the cnr operon determines the high nickel resistance in Bradyrhizobium strains...
  23. pmc Genotype delimitation in the Nod-independent model legume Aeschynomene evenia
    Jean Francois Arrighi
    IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR IRD SupAgro INRA UM2 CIRAD, Campus International de Baillarguet, Montpellier, France
    PLoS ONE 8:e63836. 2013
    ..evenia and proposes subsp. evenia as the most appropriate subspecies for future projects aimed at identifying plant determinants of the Nod-independent symbiotic process...
  24. ncbi Role of methylotrophy during symbiosis between Methylobacterium nodulans and Crotalaria podocarpa
    Philippe Jourand
    Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR 113 AgroM CIRAD INRA IRD UMII, TA 10 J, Campus International de Baillarguet, Montpellier, France
    Mol Plant Microbe Interact 18:1061-8. 2005
    ..podocarpa with nonmethylotrophic mutants complemented with functional mxa genes restored the symbiotic wild phenotype. These results demonstrate the key role of methylotrophy during symbiosis between M. nodulans and C. podocarpa...
  25. doi The Nod factor-independent symbiotic signaling pathway: development of Agrobacterium rhizogenes-mediated transformation for the legume Aeschynomene indica
    Katia Bonaldi
    IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR IRD SupAgro INRA UM2 CIRAD, F 34398 Montpellier, France
    Mol Plant Microbe Interact 23:1537-44. 2010
    ..indica and that Agrobacterium rhizogenes-mediated root transformation of Aeschynomene spp. will be an invaluable tool for determining the molecular basis of the NF-independent symbiosis...
  26. doi Radiation of the Nod-independent Aeschynomene relies on multiple allopolyploid speciation events
    Jean Francois Arrighi
    IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes, UMR IRD SupAgro INRA UM2 CIRAD, Campus International de Baillarguet, TA A 82 J, 34398, Montpellier Cedex 5, France
    New Phytol 201:1457-68. 2014
    ..virginica, are also shown to be of allopolyploid origin. • This work reveals multiple hybridization/polyploidization events, thus highlighting a prominent role of allopolyploidy in the radiation of the Nod-independent Aeschynomene...
  27. pmc Photosynthetic Bradyrhizobium sp. strain ORS285 is capable of forming nitrogen-fixing root nodules on soybeans (Glycine max)
    Eric Giraud
    IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes LSTM, UMR IRD SupAgro INRA UM2 CIRAD, Montpellier, France
    Appl Environ Microbiol 79:2459-62. 2013
    ..However, symbiotic efficiencies differed drastically depending on both the soybean genotype used and the culture conditions tested...
  28. doi Isolation and light-stimulated expression of canthaxanthin and spirilloxanthin biosynthesis genes from the photosynthetic bacterium Bradyrhizobium sp. strain ORS278
    Eric Giraud
    Laboratoire des Symbioses Tropicales et Méditerranéennes, IRD, UMR IRD SupAgro INRA UM2 CIRAD, Montpellier, France
    Methods Mol Biol 892:173-83. 2012
    ..Finally, we describe a procedure to genetically transform photosynthetic Bradyrhizobium strain ORS278 for improvement of canthaxanthin production...
  29. ncbi Evolution of symbiosis in the legume genus Aeschynomene
    Clémence Chaintreuil
    IRD CIRAD UM2 Supagro, Laboratoire des Symbioses Tropicales et Méditerranéennes, F 34398, Montpellier, France
    New Phytol 200:1247-59. 2013
    ..The phylogenetic approach suggested that Nod-independent nodulation has evolved once in this genus, and should be considered as a derived character, and this result is discussed with regard to previous experimental studies. ..
  30. doi Bacteriophytochromes in anoxygenic photosynthetic bacteria
    Eric Giraud
    Laboratoire des Symbioses Tropicales et Méditerranéennes, IRD, CIRAD, AGRO M, INRA, UM2, TA A 82 J, Campus de Baillarguet, 34398, Montpellier Cedex 5, France
    Photosynth Res 97:141-53. 2008
    ..This review is focused on the biochemical and biophysical properties of bacteriophytochromes with a special emphasis on their roles in the synthesis of the photosynthetic apparatus...
  31. ncbi Phenotypic and genotypic diversity of rhizobia nodulating Pterocarpus erinaceus and P. lucens in Senegal
    Samba Ndao Sylla
    Universite Cheikh Anta Diop, FST, Departement de B V, Dakar, Senegal
    Syst Appl Microbiol 25:572-83. 2002
    ..Lupinus) and Blastobacter denitrificans. This position of ORS 199 was not confirmed by IGS sequence divergence. We found no clear relation between the diversity of strains, the host plants and the ecogeographical origins...
  32. doi Insights learned from pBTAi1, a 229-kb accessory plasmid from Bradyrhizobium sp. strain BTAi1 and prevalence of accessory plasmids in other Bradyrhizobium sp. strains
    Eddie J Cytryn
    Department of Soil, Water, and Climate, Biotechnology Institute, University of Minnesota, St Paul, MN 55108, USA
    ISME J 2:158-70. 2008
    ..Taken together, our results indicate that while plasmids having ecologically significant functions may be detected in Bradyrhizobium sp. strains, they lack genes necessary for symbioses with legumes...