Jean Armengaud

Summary

Country: France

Publications

  1. ncbi Identification, purification, and characterization of an eukaryotic-like phosphopantetheine adenylyltransferase (coenzyme A biosynthetic pathway) in the hyperthermophilic archaeon Pyrococcus abyssi
    Jean Armengaud
    CEA VALRHO, DSV DIEP, SBTN, Service de Biochimie post génomique and Toxicologie Nucléaire, 30207 Bagnols sur Ceze, France
    J Biol Chem 278:31078-87. 2003
  2. ncbi N2-methylation of guanosine at position 10 in tRNA is catalyzed by a THUMP domain-containing, S-adenosylmethionine-dependent methyltransferase, conserved in Archaea and Eukaryota
    Jean Armengaud
    Commissariat à l Energie Atomique VALRHO, DSV DIEP SBTN, Service de Biochimie post génomique and Toxicologie Nucléaire, F 30207 Bagnols sur Ceze, France
    J Biol Chem 279:37142-52. 2004
  3. pmc Deciphering structure and topology of conserved COG2042 orphan proteins
    Jean Armengaud
    CEA VALRHO, DSV DIEP SBTN, Service de Biochimie post génomique and Toxicologie Nucléaire, Bagnols sur Ceze, France
    BMC Struct Biol 5:3. 2005
  4. doi Shotgun nanoLC-MS/MS proteogenomics to document MALDI-TOF biomarkers for screening new members of the Ruegeria genus
    Joseph Alexander Christie-Oleza
    CEA, DSV, IBEB, Lab Biochim System Perturb, Bagnols sur Ceze, F 30207, France
    Environ Microbiol 15:133-47. 2013
  5. pmc Comparative proteogenomics of twelve Roseobacter exoproteomes reveals different adaptive strategies among these marine bacteria
    Joseph Alexander Christie-Oleza
    CEA, DSV, IBEB, Lab Biochim System Perturb, Bagnols sur Ceze, F 30207, France
    Mol Cell Proteomics 11:M111.013110. 2012
  6. pmc THUMP from archaeal tRNA:m22G10 methyltransferase, a genuine autonomously folding domain
    Guillaume Gabant
    CEA VALRHO, DSV DIEP SBTN, Service de Biochimie post génomique and Toxicologie Nucléaire, F 30207 Bagnols sur Ceze, France
    Nucleic Acids Res 34:2483-94. 2006
  7. ncbi Assessment of solvent residues accessibility using three Sulfo-NHS-biotin reagents in parallel: application to footprint changes of a methyltransferase upon binding its substrate
    Guillaume Gabant
    CEA VALRHO, DSV, IBEB, SBTN, LBSP, Institut de Biologie Environnementale et Biotechnologie, Service de Biochimie et Toxicologie Nucléaire, Laboratoire de Biochimie des Systèmes Perturbés, F 30207 Bagnols sur Ceze, France
    J Mass Spectrom 43:360-70. 2008
  8. pmc Eukaryotic GPN-loop GTPases paralogs use a dimeric assembly reminiscent of archeal GPN
    Béatrice Alonso
    CEA, IBEB, Service de Biochimie et Toxicologie Nucléaire LBSP, Bagnols sur Ceze, France
    Cell Cycle 12:463-72. 2013
  9. pmc Proteomic insights into the lifestyle of an environmentally relevant marine bacterium
    Joseph Alexander Christie-Oleza
    Laboratoire de Biochimie des Systèmes Perturbés, CEA Marcoule, DSV, IBEB, Bagnols sur Ceze, France
    ISME J 6:124-35. 2012
  10. doi Exoproteomics: exploring the world around biological systems
    Jean Armengaud
    CEA, DSV, IBEB, Lab Biochim System Perturb, Bagnols sur Ceze, F 30207, France
    Expert Rev Proteomics 9:561-75. 2012

Collaborators

Detail Information

Publications28

  1. ncbi Identification, purification, and characterization of an eukaryotic-like phosphopantetheine adenylyltransferase (coenzyme A biosynthetic pathway) in the hyperthermophilic archaeon Pyrococcus abyssi
    Jean Armengaud
    CEA VALRHO, DSV DIEP, SBTN, Service de Biochimie post génomique and Toxicologie Nucléaire, 30207 Bagnols sur Ceze, France
    J Biol Chem 278:31078-87. 2003
    ..The existence of operational proteins highly conserved between Archaea and Eukarya involved in a central metabolic pathway challenge evolutionary scenarios in which eukaryal operational proteins are strictly of bacterial origin...
  2. ncbi N2-methylation of guanosine at position 10 in tRNA is catalyzed by a THUMP domain-containing, S-adenosylmethionine-dependent methyltransferase, conserved in Archaea and Eukaryota
    Jean Armengaud
    Commissariat à l Energie Atomique VALRHO, DSV DIEP SBTN, Service de Biochimie post génomique and Toxicologie Nucléaire, F 30207 Bagnols sur Ceze, France
    J Biol Chem 279:37142-52. 2004
    ..The co-occurrence of these two guanosine dimethyltransferases in both Archaea and Eukaryota but not in Bacteria is a hallmark of distinct tRNAs maturation strategies between these domains of life...
  3. pmc Deciphering structure and topology of conserved COG2042 orphan proteins
    Jean Armengaud
    CEA VALRHO, DSV DIEP SBTN, Service de Biochimie post génomique and Toxicologie Nucléaire, Bagnols sur Ceze, France
    BMC Struct Biol 5:3. 2005
    ..As a prototype among COG2042 orthologs, SSO0551 protein from the hyperthermophilic archaeon Sulfolobus solfataricus was purified to homogeneity for biophysical characterization...
  4. doi Shotgun nanoLC-MS/MS proteogenomics to document MALDI-TOF biomarkers for screening new members of the Ruegeria genus
    Joseph Alexander Christie-Oleza
    CEA, DSV, IBEB, Lab Biochim System Perturb, Bagnols sur Ceze, F 30207, France
    Environ Microbiol 15:133-47. 2013
    ..Due to its simplicity and effectiveness, this technique could be of immense value in monitoring bacteria in the environment in the near future...
  5. pmc Comparative proteogenomics of twelve Roseobacter exoproteomes reveals different adaptive strategies among these marine bacteria
    Joseph Alexander Christie-Oleza
    CEA, DSV, IBEB, Lab Biochim System Perturb, Bagnols sur Ceze, F 30207, France
    Mol Cell Proteomics 11:M111.013110. 2012
    ..pomeroyi DSS-3 when grown in presence of a natural community sampled from a Mediterranean Sea port. The significance of this specific fraction of the exoproteome is discussed...
  6. pmc THUMP from archaeal tRNA:m22G10 methyltransferase, a genuine autonomously folding domain
    Guillaume Gabant
    CEA VALRHO, DSV DIEP SBTN, Service de Biochimie post génomique and Toxicologie Nucléaire, F 30207 Bagnols sur Ceze, France
    Nucleic Acids Res 34:2483-94. 2006
    ..We propose that this mode of interactions may be common to other THUMP-containing enzymes that specifically modify nucleotides in the 3D-core of tRNA...
  7. ncbi Assessment of solvent residues accessibility using three Sulfo-NHS-biotin reagents in parallel: application to footprint changes of a methyltransferase upon binding its substrate
    Guillaume Gabant
    CEA VALRHO, DSV, IBEB, SBTN, LBSP, Institut de Biologie Environnementale et Biotechnologie, Service de Biochimie et Toxicologie Nucléaire, Laboratoire de Biochimie des Systèmes Perturbés, F 30207 Bagnols sur Ceze, France
    J Mass Spectrom 43:360-70. 2008
    ..This method was used to identify two lysine residues of the TrmG10 methyltransferase from Pyrococcus abyssi that were differentially reactive, modified in the protein but not in the tRNA-protein complex...
  8. pmc Eukaryotic GPN-loop GTPases paralogs use a dimeric assembly reminiscent of archeal GPN
    Béatrice Alonso
    CEA, IBEB, Service de Biochimie et Toxicologie Nucléaire LBSP, Bagnols sur Ceze, France
    Cell Cycle 12:463-72. 2013
    ..These results suggest that all three GPN proteins act at the molecular level in sister chromatid cohesion mechanism as a GPN|GPN complex reminiscent of the homodimeric structure of PAB0955, an archaeal member of GPN-loop GTPase...
  9. pmc Proteomic insights into the lifestyle of an environmentally relevant marine bacterium
    Joseph Alexander Christie-Oleza
    Laboratoire de Biochimie des Systèmes Perturbés, CEA Marcoule, DSV, IBEB, Bagnols sur Ceze, France
    ISME J 6:124-35. 2012
    ..We suggest that the other half of its theoretical proteome is the opportunist genetic pool devoted exclusively to very specific environmental conditions...
  10. doi Exoproteomics: exploring the world around biological systems
    Jean Armengaud
    CEA, DSV, IBEB, Lab Biochim System Perturb, Bagnols sur Ceze, F 30207, France
    Expert Rev Proteomics 9:561-75. 2012
    ..The implication of such data, in terms of proteogenomics and the discovery of novel protein functions, is discussed...
  11. doi Multiple phosphorylable sites in the Zaire Ebolavirus nucleoprotein evidenced by high resolution tandem mass spectrometry
    Jérémy Peyrol
    Commissariat a l Energie Atomique, iBEB SBTN LDCAE, Bagnols sur Ceze, France
    J Virol Methods 187:159-65. 2013
    ..Because these four phosphorylable sites are conserved among Ebolavirus and Marburgvirus NPs, their modification may play a modulatory role in viral RNA synthesis...
  12. doi Microbiology and proteomics, getting the best of both worlds!
    Jean Armengaud
    CEA, DSV, IBEB, Lab Biochim System Perturb, F 30207 Bagnols sur Ceze, France
    Environ Microbiol 15:12-23. 2013
    ..Finally, meta-proteomic tools and approaches are emerging for tackling the high complexity of the microbial world as a whole, opening new perspectives for assessing how microbial communities function...
  13. pmc High-throughput proteogenomics of Ruegeria pomeroyi: seeding a better genomic annotation for the whole marine Roseobacter clade
    Joseph A Christie-Oleza
    CEA, DSV, IBEB, Lab Biochim System Perturb, Bagnols sur Ceze, F 30207, France
    BMC Genomics 13:73. 2012
    ..In this work we applied high-throughput proteogenomics to Ruegeria pomeroyi, a member of the Roseobacter clade, an abundant group of marine bacteria, as a seed for the annotation of the whole clade...
  14. pmc Alliance of proteomics and genomics to unravel the specificities of Sahara bacterium Deinococcus deserti
    Arjan de Groot
    Laboratory of Microbial Ecology of the Rhizosphere and Extreme Environments LEMiRE, Saint Paul lez Durance, France
    PLoS Genet 5:e1000434. 2009
    ..The supplementary nutrient import and DNA repair genes are likely important for survival and adaptation of D. deserti to its nutrient-poor, dry, and UV-exposed extreme environment...
  15. doi A perfect genome annotation is within reach with the proteomics and genomics alliance
    Jean Armengaud
    CEA, DSV, IBEB, Lab Biochim System Perturb, Bagnols sur Ceze, France
    Curr Opin Microbiol 12:292-300. 2009
    ..The proteomics and genomics alliance produces almost complete and accurate gene catalogues for small microbial genomes, a comprehensiveness which is essential for efficient systems biology...
  16. doi Subcellular localization and interaction network of the mRNA decay activator Pat1 upon UV stress
    Rachida Bahassou-Benamri
    CEA, IBEB, SBTN, LBSP, Bagnols sur Ceze, F 30207, France
    Yeast 30:353-63. 2013
    ..These data provide the first evidence that Dhh1 is required for Pat1 nuclear relocation after UV stress. Copyright © 2013 John Wiley & Sons, Ltd. ..
  17. pmc Major soluble proteome changes in Deinococcus deserti over the earliest stages following gamma-ray irradiation
    Alain Dedieu
    Laboratoire de Biochimie des Systèmes Perturbés, CEA Marcoule, DSV, IBEB, SBTN, LBSP, Bagnols sur Ceze, F 30207, France
    Proteome Sci 11:3. 2013
    ..abstract:..
  18. doi Analytical constraints for the analysis of human cell line secretomes by shotgun proteomics
    Veronique Malard
    CEA, DSV, IBEB, Lab Biochim System Perturb, Bagnols sur Ceze, F 30207, France
    J Proteomics 75:1043-54. 2012
    ..This study highlights the possible contribution of such proteomic approach in the field of toxicology...
  19. pmc In-depth analysis of exoproteomes from marine bacteria by shotgun liquid chromatography-tandem mass spectrometry: the Ruegeria pomeroyi DSS-3 case-study
    Joseph Alexander Christie-Oleza
    Laboratoire de Biochimie des Systèmes Perturbés, CEA Marcoule, DSV, IBEB, SBTN, LBSP, F 30207 Bagnols sur Ceze, France
    Mar Drugs 8:2223-39. 2010
    ..The Ruegeria pomeroyi DSS-3 case-study illustrates the power of the shotgun nano-LC-MS/MS strategy to decipher the exoproteome from marine bacteria and to contribute to environmental proteomics...
  20. pmc Proteomics-based refinement of Deinococcus deserti genome annotation reveals an unwonted use of non-canonical translation initiation codons
    Mathieu Baudet
    Laboratoire de Biochimie des Systèmes Perturbés, Service de Biochimie et Toxicologie Nucléaire, Institut de Biologie Environnementale et Biotechnologie IBEB, Direction des Sciences du Vivant DSV, Commissariat à l Energie Atomique et aux Energies Alternatives CEA, F 30207 Bagnols sur Ceze, France
    Mol Cell Proteomics 9:415-26. 2010
    ..Our results demonstrate that predicting translation initiation codons is still difficult for some bacteria and that proteomics-based refinement of genome annotations may be helpful in such cases...
  21. doi Proteogenomics and systems biology: quest for the ultimate missing parts
    Jean Armengaud
    CEA, DSV, IBEB, Lab Biochim System Perturb, CEA Marcoule, DSV, IBEB, SBTN, Laboratoire de Biochimie des Systèmes Perturbés, F 30207 Bagnols sur Ceze, France
    Expert Rev Proteomics 7:65-77. 2010
    ..Undoubtedly, comparative genomics will experience a renaissance taking into account this new dimension. Synthetic biology aimed at re-engineering living systems will also benefit from these significant progresses...
  22. ncbi A role for GPN-loop GTPase yGPN1 in sister chromatid cohesion
    Béatrice Alonso
    Laboratoire de Biochimie des Systèmes Perturbés, Bagnols sur Ceze, France
    Cell Cycle 10:1828-37. 2011
    ..Moreover, analysis of yGPN1 protein-protein interaction network highlights the yGPN1 links with DNA replication, sister chromatid cohesion/separation and the gene expression process...
  23. pmc ApoFnr binds as a monomer to promoters regulating the expression of enterotoxin genes of Bacillus cereus
    Julia Esbelin
    Universite d Avignon, UMR A408, Sécurité et Qualité des Produits d Origine Végétale, and INRA, Avignon, F 84914, France
    J Bacteriol 190:4242-51. 2008
    ..The question of whether apoFnr binding is regulated in vivo by redox-dependent oligomerization is discussed...
  24. ncbi Identity elements required for enzymatic formation of N2,N2-dimethylguanosine from N2-monomethylated derivative and its possible role in avoiding alternative conformations in archaeal tRNA
    Jaunius Urbonavicius
    Laboratoire d Enzymologie et Biochimie Structurales, CNRS, 1 ave de la terrasse, Batiment 34, F 91198 Gif sur Yvette, France
    J Mol Biol 357:387-99. 2006
    ....
  25. pmc Structural insights into a new homodimeric self-activated GTPase family
    Stephanie Gras
    Laboratoire de Cristallographie et Cristallogenese des Proteines, Institut de Biologie Structurale J P Ebel, CEA CNRS UJF, UMR 5075, 41, rue Jules Horowitz, F 38027 Grenoble, France
    EMBO Rep 8:569-75. 2007
    ..Owing to this unique functional feature, we propose to call this family as GPN-loop GTPase...
  26. pmc Expression, purification, crystallization and preliminary crystallographic analysis of the PAB0955 gene product
    Stephanie Gras
    Laboratoire de Cristallographie et Cristallogenese des Proteines, Institut de Biologie Structurale J P Ebel, CEA CNRS UJF, 41 rue Jules Horowitz, F 38027 Grenoble, France
    Acta Crystallogr Sect F Struct Biol Cryst Commun 61:208-11. 2005
    ..Crystals have been obtained either without nucleotide or in the presence of GDP or GTPgammaS. Preliminary X-ray crystallographic data up to 2.08 A resolution have been collected from these crystals...
  27. ncbi Structure of a [2Fe-2S] ferredoxin from Rhodobacter capsulatus likely involved in Fe-S cluster biogenesis and conformational changes observed upon reduction
    Germaine Sainz
    European Synchrotron Radiation Facility, BP 220, 38054 Grenoble Cedex 9, France
    J Biol Inorg Chem 11:235-46. 2006
    ..The unique conformational changes observed in FdVI upon reduction are discussed in the light of structural studies performed on related ferredoxins...
  28. ncbi Determination of estrogen presence in water by SPR using estrogen receptor dimerization
    Denis Habauzit
    Centre LGEI, Ecole des Mines d Alès, 6 avenue de Clavières, 30319, Ales, France
    Anal Bioanal Chem 390:873-83. 2008
    ..We demonstrated that this method allows the direct detection of 17beta-estradiol at concentrations above 1.4 microg/L (5 nM)...