Vittorio Venturi

Summary

Affiliation: International Centre for Genetic Engineering and Biotechnology
Country: Italy

Publications

  1. pmc The kiwifruit emerging pathogen Pseudomonas syringae pv. actinidiae does not produce AHLs but possesses three luxR solos
    Hitendra Kumar Patel
    International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
    PLoS ONE 9:e87862. 2014
  2. pmc Chromosomal Arrangement of AHL-Driven Quorum Sensing Circuits in Pseudomonas
    Zsolt Gelencsér
    Faculty of Information Technology, Pázmány Péter Catholic University, Práter u 50 a, 1083 Budapest, Hungary
    ISRN Microbiol 2012:484176. 2012
  3. pmc Structural insights into a novel interkingdom signaling circuit by cartography of the ligand-binding sites of the homologous quorum sensing LuxR-family
    Sonia Covaceuszach
    Institute of Crystallography, National Research Council, Trieste Outstation, AREA Science Park Basovizza, S S n 14 Km 163 5, I 34149 Trieste, Italy
    Int J Mol Sci 14:20578-96. 2013
  4. pmc The Organization of the Quorum Sensing luxI/R Family Genes in Burkholderia
    Kumari Sonal Choudhary
    International Centre for Genetic Engineering and Biotechnology ICGEB, Padriciano 99, Trieste 32149, Italy
    Int J Mol Sci 14:13727-47. 2013
  5. doi request reprint The virtue of temperance: built-in negative regulators of quorum sensing in Pseudomonas
    Vittorio Venturi
    International Centre for Genetic Engineering and Biotechnology, Padriciano, 99, 34012 Trieste, Italy
    Mol Microbiol 82:1060-70. 2011
  6. pmc A simple model for the early events of quorum sensing in Pseudomonas aeruginosa: modeling bacterial swarming as the movement of an "activation zone"
    Sergiu Netotea
    Biological Research Center of the Hungarian Academy of Sciences, Szeged, Hungary
    Biol Direct 4:6. 2009
  7. pmc Assessment of three Resistance-Nodulation-Cell Division drug efflux transporters of Burkholderia cenocepacia in intrinsic antibiotic resistance
    Silvia Buroni
    Department of Genetics and Microbiology, University of Pavia, Pavia, Italy
    BMC Microbiol 9:200. 2009
  8. pmc Tobramycin at subinhibitory concentration inhibits the RhlI/R quorum sensing system in a Pseudomonas aeruginosa environmental isolate
    Fedora Babic
    Department of Biochemistry and Molecular Biology, University of Zagreb, Croatia
    BMC Infect Dis 10:148. 2010
  9. pmc Co-swarming and local collapse: quorum sensing conveys resilience to bacterial communities by localizing cheater mutants in Pseudomonas aeruginosa
    Vittorio Venturi
    International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
    PLoS ONE 5:e9998. 2010
  10. pmc Locality versus globality in bacterial signalling: can local communication stabilize bacterial communities?
    Vittorio Venturi
    International Centre for Genetic Engineering and Biotechnology, 34012 Trieste, Italy
    Biol Direct 5:30. 2010

Collaborators

Detail Information

Publications65

  1. pmc The kiwifruit emerging pathogen Pseudomonas syringae pv. actinidiae does not produce AHLs but possesses three luxR solos
    Hitendra Kumar Patel
    International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
    PLoS ONE 9:e87862. 2014
    ..Gene promoter analysis revealed that the three solos are not auto-regulated and investigated their possible role in several bacterial phenotypes. ..
  2. pmc Chromosomal Arrangement of AHL-Driven Quorum Sensing Circuits in Pseudomonas
    Zsolt Gelencsér
    Faculty of Information Technology, Pázmány Péter Catholic University, Práter u 50 a, 1083 Budapest, Hungary
    ISRN Microbiol 2012:484176. 2012
    ..We hypothesize that the negative regulators of QS that are often found between the canonical luxR/ and luxI-family genes may be crucial for stabilizing the output of QS circuits...
  3. pmc Structural insights into a novel interkingdom signaling circuit by cartography of the ligand-binding sites of the homologous quorum sensing LuxR-family
    Sonia Covaceuszach
    Institute of Crystallography, National Research Council, Trieste Outstation, AREA Science Park Basovizza, S S n 14 Km 163 5, I 34149 Trieste, Italy
    Int J Mol Sci 14:20578-96. 2013
    ....
  4. pmc The Organization of the Quorum Sensing luxI/R Family Genes in Burkholderia
    Kumari Sonal Choudhary
    International Centre for Genetic Engineering and Biotechnology ICGEB, Padriciano 99, Trieste 32149, Italy
    Int J Mol Sci 14:13727-47. 2013
    ..The data are available at http://net.icgeb.org/burkholderia/. ..
  5. doi request reprint The virtue of temperance: built-in negative regulators of quorum sensing in Pseudomonas
    Vittorio Venturi
    International Centre for Genetic Engineering and Biotechnology, Padriciano, 99, 34012 Trieste, Italy
    Mol Microbiol 82:1060-70. 2011
    ..This review focuses on the role played by RsaL and RsaM repressors and discusses the important implications of this control of the QS response...
  6. pmc A simple model for the early events of quorum sensing in Pseudomonas aeruginosa: modeling bacterial swarming as the movement of an "activation zone"
    Sergiu Netotea
    Biological Research Center of the Hungarian Academy of Sciences, Szeged, Hungary
    Biol Direct 4:6. 2009
    ..While there are a variety of models for bacterial colony morphology, there is little work linking QS genes to movement in an open system...
  7. pmc Assessment of three Resistance-Nodulation-Cell Division drug efflux transporters of Burkholderia cenocepacia in intrinsic antibiotic resistance
    Silvia Buroni
    Department of Genetics and Microbiology, University of Pavia, Pavia, Italy
    BMC Microbiol 9:200. 2009
    ..cenocepacia J2315, but the contribution of these pumps to the intrinsic drug resistance of this bacterium remains unclear...
  8. pmc Tobramycin at subinhibitory concentration inhibits the RhlI/R quorum sensing system in a Pseudomonas aeruginosa environmental isolate
    Fedora Babic
    Department of Biochemistry and Molecular Biology, University of Zagreb, Croatia
    BMC Infect Dis 10:148. 2010
    ..These have shown that subinhibitory concentrations (SICs) of tobramycin induce biofilm formation and enhance the capabilities of P. aeruginosa to colonize specific environments...
  9. pmc Co-swarming and local collapse: quorum sensing conveys resilience to bacterial communities by localizing cheater mutants in Pseudomonas aeruginosa
    Vittorio Venturi
    International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
    PLoS ONE 5:e9998. 2010
    ..Deleting various genes of this machinery leads to cheater mutants impaired in various aspects of swarming cooperation...
  10. pmc Locality versus globality in bacterial signalling: can local communication stabilize bacterial communities?
    Vittorio Venturi
    International Centre for Genetic Engineering and Biotechnology, 34012 Trieste, Italy
    Biol Direct 5:30. 2010
    ..Here we propose a hypothesis that the primarily local nature of intercellular signalling can be a general mechanism underlying the stability of many forms of microbial communities...
  11. ncbi request reprint The plant pathogen Erwinia amylovora produces acyl-homoserine lactone signal molecules in vitro and in planta
    Vittorio Venturi
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Area Science Park, Padriciano 99, 34012 Trieste, Italy
    FEMS Microbiol Lett 241:179-83. 2004
    ..Given the involvement of AHLs in plant pathogenesis, we speculate that AHL-dependent quorum sensing could play an important role in the regulation of E. amylovora virulence...
  12. ncbi request reprint Quorum sensing in the Burkholderia cepacia complex
    Vittorio Venturi
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Area Science Park, Padriciano 99, 34012 Trieste, Italy
    Res Microbiol 155:238-44. 2004
    ..In the last four years HSL-dependent quorum sensing has been identified in members of the Burkholderia cepacia complex, and this mini-review summarizes initial findings and discusses future perspectives...
  13. ncbi request reprint Regulation of quorum sensing in Pseudomonas
    Vittorio Venturi
    International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
    FEMS Microbiol Rev 30:274-91. 2006
    ..This review will focus on the regulation of quorum sensing in Pseudomonas, highlighting a complex response that might serve a given species to adapt in its particular environment...
  14. ncbi request reprint Control of rpoS transcription in Escherichia coli and Pseudomonas: why so different?
    Vittorio Venturi
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Area Science Park, Padriciano 99, 34012 Trieste, Italy
    Mol Microbiol 49:1-9. 2003
    ..This report will review mainly recent studies on rpoS transcriptional regulation and will try to rationalize the current knowledge into a working model...
  15. pmc Identification of quorum-sensing-regulated genes of Burkholderia cepacia
    Claudio Aguilar
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, 34012 Trieste, Italy
    J Bacteriol 185:6456-62. 2003
    ..cepacia ATCC 25416 were identified and characterized. A total of 28 putative gene promoters show CepR-C(8)-HSL-dependent expression, suggesting that quorum sensing in B. cepacia is a global regulatory system...
  16. ncbi request reprint Identification, characterization and regulation of two secreted polygalacturonases of the emerging rice pathogen Burkholderia glumae
    Giuliano Degrassi
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Padriciano, Trieste, Italy
    FEMS Microbiol Ecol 65:251-62. 2008
    ..glumae retained rice virulence comparable to that of the wild-type parent strain. Furthermore, the role of AHL-dependent quorum sensing and of plant cell wall degradation compounds in their regulation was investigated...
  17. doi request reprint The plant pathogen Pseudomonas fuscovaginae contains two conserved quorum sensing systems involved in virulence and negatively regulated by RsaL and the novel regulator RsaM
    Maura Mattiuzzo
    International Centre for Genetic Engineering and Biotechnology, Biosafety Outstation, Ca Tron, Treviso, Italy
    Environ Microbiol 13:145-62. 2011
    ..Pseudomonas fuscovaginae has therefore a unique complex regulatory network composed of at least two different repressors which directly regulate the AHL QS systems and pathogenicity...
  18. doi request reprint Xanthomonas oryzae pv. oryzae XKK.12 contains an AroQgamma chorismate mutase that is involved in rice virulence
    Giuliano Degrassi
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
    Phytopathology 100:262-70. 2010
    ..This enzyme is synthesized in planta and X. oryzae pv. oryzae knock-out mutants are hypervirulent to rice. The role of this enzyme in X. oryzae pv. oryzae rice virulence is discussed...
  19. pmc LasI/R and RhlI/R quorum sensing in a strain of Pseudomonas aeruginosa beneficial to plants
    Laura Steindler
    International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
    Appl Environ Microbiol 75:5131-40. 2009
    ..This is an in-depth genetic and molecular study of QS in an environmental P. aeruginosa strain and highlights several differences with QS regulation in the clinical isolate PAO1...
  20. ncbi request reprint Role of GacA, LasI, RhlI, Ppk, PsrA, Vfr and ClpXP in the regulation of the stationary-phase sigma factor rpoS/RpoS in Pseudomonas
    Iris Bertani
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Area Science Park, Padriciano 99, 34012, Trieste, Italy
    Arch Microbiol 180:264-71. 2003
    ..These results demonstrate important similarities and differences with the regulation of this sigma factor in E. coli and in Pseudomonas...
  21. pmc PpoR is a conserved unpaired LuxR solo of Pseudomonas putida which binds N-acyl homoserine lactones
    Sujatha Subramoni
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
    BMC Microbiol 9:125. 2009
    ..Moreover, AHL QS systems in P. putida strains are diverse in the type of AHLs they produce and the phenotypes that they regulate...
  22. ncbi request reprint Oryza sativa rice plants contain molecules that activate different quorum-sensing N-acyl homoserine lactone biosensors and are sensitive to the specific AiiA lactonase
    Giuliano Degrassi
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Padriciano, Trieste, Italy
    FEMS Microbiol Lett 269:213-20. 2007
    ..The possible source and biological significance of this finding are discussed...
  23. doi request reprint A novel widespread interkingdom signaling circuit
    Juan F Gonzalez
    International Centre for Genetic Engineering and Biotechnology, Padriciano 99, 34149 Trieste, Italy
    Trends Plant Sci 18:167-74. 2013
    ..In this review, we focus on this new interkingdom signaling circuit, which is widespread among pathogenic and beneficial plant-associated bacteria...
  24. ncbi request reprint Involvement of quorum sensing and RpoS in rice seedling blight caused by Burkholderia plantarii
    Renando Solis
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology Area, Trieste, Italy
    FEMS Microbiol Lett 259:106-12. 2006
    ..plantarii. Both global regulatory systems are involved in causing rice seedling blight. This is the first report of gene regulators of B. plantarii implicated in the disease...
  25. pmc Involvement of a quorum-sensing-regulated lipase secreted by a clinical isolate of Burkholderia glumae in severe disease symptoms in rice
    Giulia Devescovi
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Padriciano 99, Trieste, Italy
    Appl Environ Microbiol 73:4950-8. 2007
    ..It is the first report of a clinical B. glumae isolate retaining strong rice pathogenicity and finally determined that B. glumae can undergo phenotypic conversion through a spontaneous mutation in the tofR regulator...
  26. pmc Quorum-sensing system and stationary-phase sigma factor (rpoS) of the onion pathogen Burkholderia cepacia genomovar I type strain, ATCC 25416
    Claudio Aguilar
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Padriciano 99, 34012 Trieste, Italy
    Appl Environ Microbiol 69:1739-47. 2003
    ..cepacia has a negative effect on rpoS expression as determined by using an rpoS-lacZ transcriptional fusion; on the other hand, rpoS-null mutants displayed no difference in the accumulation of HSL signal molecules...
  27. pmc Commonalities and differences in regulation of N-acyl homoserine lactone quorum sensing in the beneficial plant-associated burkholderia species cluster
    Zulma Rocío Suárez-Moreno
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Padriciano 99, 34012 Trieste, Italy
    Appl Environ Microbiol 76:4302-17. 2010
    ....
  28. pmc Draft genome sequence of Pseudomonas fuscovaginae, a broad-host-range pathogen of plants
    Hitendra Kumar Patel
    International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
    J Bacteriol 194:2765-6. 2012
    ..P. fuscovaginae is now considered a broad-host-range plant pathogen causing disease in several economically important plants. We report what is, to our knowledge, the first draft genome sequence of a P. fuscovaginae strain...
  29. doi request reprint A proteomic study of Xanthomonas oryzae pv. oryzae in rice xylem sap
    Juan F Gonzalez
    International Centre for Genetic Engineering and Biotechnology, Padriciano 99, 34149, Trieste, Italy
    J Proteomics 75:5911-9. 2012
    ..The usefulness of this approach in understanding the lifestyle and unraveling the virulence-associated factors of phytopathogenic vascular bacteria is discussed...
  30. pmc The Pseudomonas putida Lon protease is involved in N-acyl homoserine lactone quorum sensing regulation
    Iris Bertani
    International Centre for Genetic Engineering and Biotechnology, Padriciano, Trieste, Italy
    BMC Microbiol 7:71. 2007
    ..putida ppuI and P. aeruginosa lasI AHL synthases. In this study we screened a transposon mutant bank of P. putida in order to identify if any other regulators were involved in negative regulation of AHL QS...
  31. pmc Classifying the topology of AHL-driven quorum sensing circuits in proteobacterial genomes
    Zsolt Gelencsér
    Faculty of Information Technology, PázmányPéter Catholic University, Práter u 50 a, Budapest 1083, Hungary
    Sensors (Basel) 12:5432-44. 2012
    ..The annotated topologies are deposited online with links to sequences and genome annotations at http://bacteria.itk.ppke.hu/QStopologies/...
  32. ncbi request reprint Plant growth-promoting Pseudomonas putida WCS358 produces and secretes four cyclic dipeptides: cross-talk with quorum sensing bacterial sensors
    Giuliano Degrassi
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Area Science Park, Padriciano 99, 34012 Trieste, Italy
    Curr Microbiol 45:250-4. 2002
    ..The purification, characterization, chemical synthesis of four DKPs are reported and their possible role in cell-cell signaling is discussed...
  33. ncbi request reprint Isolation, heterologous expression and characterization of an endo-polygalacturonase produced by the phytopathogen Burkholderia cepacia
    Claudia Massa
    International School for Advanced Studies, Trieste, Italy
    Protein Expr Purif 54:300-8. 2007
    ..PehA exhibited a pI value of 8.0 and an optimal activity at pH 3.5. Far-UV circular dichroism (CD) measurements show that PehA assumes a beta-helix fold super-secondary structural motif...
  34. doi request reprint The new group of non-pathogenic plant-associated nitrogen-fixing Burkholderia spp. shares a conserved quorum-sensing system, which is tightly regulated by the RsaL repressor
    Zulma Rocí Suárez-Moreno
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
    Microbiology 154:2048-59. 2008
    ....
  35. doi request reprint LuxR-family 'solos': bachelor sensors/regulators of signalling molecules
    Sujatha Subramoni
    International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
    Microbiology 155:1377-85. 2009
    ..Initial investigations have revealed that LuxR solos have diverse roles in bacterial interspecies and interkingdom communication...
  36. pmc Ribosomal protein S1 specifically binds to the 5' untranslated region of the Pseudomonas aeruginosa stationary-phase sigma factor rpoS mRNA in the logarithmic phase of growth
    Milica Sevo
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Area Science Park, Padriciano 99, 34012 Trieste, Italy
    J Bacteriol 186:4903-9. 2004
    ..This is the first report of a protein-rpoS mRNA 5' UTR interaction in P. aeruginosa, and the possible involvement of protein S1 in translation regulation of rpoS is discussed...
  37. doi request reprint The inter-kingdom solo OryR regulator of Xanthomonas oryzae is important for motility
    Juan F Gonzalez
    International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
    Mol Plant Pathol 14:211-21. 2013
    ..Finally, the role of OryR in motility was also demonstrated by the significant reduction in flagellin content in the oryR Xoo mutant with respect to the wild-type, as observed by in planta proteomics studies...
  38. doi request reprint Common features of environmental and potentially beneficial plant-associated Burkholderia
    Zulma Rocío Suárez-Moreno
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Padriciano 99, 34149 Trieste, Italy
    Microb Ecol 63:249-66. 2012
    ..This review examines the commonalities in this growing subgroup of Burkholderia species and discusses their prospective biotechnological applications...
  39. doi request reprint A versatile plasmid biosensor useful to identify quorum sensing LuxR-family orphans in bacterial strains
    Laura Steindler
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
    J Microbiol Methods 73:273-5. 2008
    ..Using pMULTIAHLPROM, it was demonstrated that Enterobacter aerogenes possibly contains a LuxR-family orphan able to activate luxI-family promoters independently from AHLs...
  40. ncbi request reprint The Burkholderia cepacia rpoE gene is not involved in exopolysaccharide production and onion pathogenicity
    Giulia Devescovi
    Bateriology Group, International Centre for Genetic Engineering and Biotechnology, Italy
    Can J Microbiol 52:260-5. 2006
    ..In contrast, sigmaE contributed to the adaptation to heat stress and phosphate starvation...
  41. pmc TetR family member psrA directly binds the Pseudomonas rpoS and psrA promoters
    Milan Kojic
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, 34012 Trieste, Italy
    J Bacteriol 184:2324-30. 2002
    ..A model for the role of PsrA in the regulation of rpoS and psrA is presented...
  42. pmc Bacterial subfamily of LuxR regulators that respond to plant compounds
    Sujatha Subramoni
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Padriciano 99, 34149 Trieste, Italy
    Appl Environ Microbiol 77:4579-88. 2011
    ..PsoR most likely senses a molecule(s) in the plant and modulates expression of genes that have a role in biocontrol. PsoR and related proteins form a subfamily of LuxR family regulators in plant-associated bacteria...
  43. pmc Regulon studies and in planta role of the BraI/R quorum-sensing system in the plant-beneficial Burkholderia cluster
    Bruna G Coutinho
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
    Appl Environ Microbiol 79:4421-32. 2013
    ..In addition, BraI/R was shown not to be important for plant nodulation by B. phymatum strains or for endophytic colonization and growth promotion of maize by B. phytofirmans PsJN. ..
  44. pmc Regulation of the N-acyl homoserine lactone-dependent quorum-sensing system in rhizosphere Pseudomonas putida WCS358 and cross-talk with the stationary-phase RpoS sigma factor and the global regulator GacA
    Iris Bertani
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Padriciano 99, 34012 Trieste, Italy
    Appl Environ Microbiol 70:5493-502. 2004
    ..Studies of the regulation of AHL quorum-sensing systems have lagged behind other studies and are important for understanding how these systems are integrated into the overall growth phase and metabolic status of the cells...
  45. pmc Sharing of quorum-sensing signals and role of interspecies communities in a bacterial plant disease
    Taha Hosni
    Dipartimento di Scienze Agrarie e Ambientali, Universita degli Studi di Perugia, Perugia, Italy
    ISME J 5:1857-70. 2011
    ..In this paper we discuss the potential role of QS in establishing a stable consortia leading to a poly-bacterial disease...
  46. pmc OryR is a LuxR-family protein involved in interkingdom signaling between pathogenic Xanthomonas oryzae pv. oryzae and rice
    Sara Ferluga
    Bacteriology Group, International Center for Genetic Engineering and Biotechnology, Padriciano 99, 34012 Trieste, Italy
    J Bacteriol 191:890-7. 2009
    ..Therefore, OryR has unique features and is an important regulator involved in interkingdom communication between the host and the pathogen...
  47. ncbi request reprint Modeling bacterial quorum sensing in open and closed environments: potential discrepancies between agar plate and culture flask experiments
    Dóra Bihary
    Pázmány Péter Catholic University, 1083, Budapest, Hungary
    J Mol Model 20:2248. 2014
    ....
  48. ncbi request reprint Detection of quorum-sensing N-acyl homoserine lactone signal molecules by bacterial biosensors
    Laura Steindler
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Padriciano, Trieste, Italy
    FEMS Microbiol Lett 266:1-9. 2007
    ..This article reviews and discusses the currently available bacterial biosensors which can be used in detecting and studying the different AHLs...
  49. pmc Draft Genome Sequence of the Rice Endophyte Burkholderia kururiensis M130
    Bruna Gonçalves Coutinho
    International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
    Genome Announc 1:e0022512. 2013
    ..This bacterium shows strong growth-promoting effects, being able to increase rice yields. Here we present its draft genome sequence, which contains important traits for endophytic life and plant growth promotion...
  50. ncbi request reprint A LuxR homologue of Xanthomonas oryzae pv. oryzae is required for optimal rice virulence
    Sara Ferluga
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Area Science Park, Padriciano 99, 34012 Trieste, Italy
    Mol Plant Pathol 8:529-38. 2007
    ..The role of OryR as a possible in planta induced LuxR family regulator is discussed...
  51. doi request reprint Bacterial multispecies studies and microbiome analysis of a plant disease
    Daniel Passos da Silva
    International Centre for Genetic Engineering and Biotechnology, Trieste, Italy
    Microbiology 160:556-66. 2014
    ..the presence of five genera (i.e. Pseudomonas, Pantoea, Curtobacterium, Pectobacterium and Erwinia) can be found in almost all samples. ..
  52. doi request reprint Incoming pathogens team up with harmless 'resident' bacteria
    Vittorio Venturi
    International Centre for Genetic Engineering and Biotechnology, Padriciano 99, 34149 Trieste, Italy
    Trends Microbiol 20:160-4. 2012
    ..This calls for serious consideration of pathogen-microbe interactions in the host with respect to disease severity and progression...
  53. ncbi request reprint A thermostable alpha-arabinofuranosidase from xylanolytic Bacillus pumilus: purification and characterisation
    Giuliano Degrassi
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, Area Science Park, Pardiciano 99, I 34012 Trieste, Italy
    J Biotechnol 101:69-79. 2003
    ..7 mM and 52.9 U mg(-1), respectively. N-terminal sequence analysis and internal peptide fragments showed homology with glycosyl hydrolases of family 51...
  54. pmc Future research trends in the major chemical language of bacteria
    Vittorio Venturi
    Bacteriology Group, International Centre for Genetic Engineering and Biotechnology, 34012 Trieste, Italy
    HFSP J 3:105-16. 2009
    ..In this essay we discuss the importance of quorum sensing via AHLs and highlight current and future trends in this important field of research...
  55. ncbi request reprint Novel target genes of PsrA transcriptional regulator of Pseudomonas aeruginosa
    Milan Kojic
    Laboratory for Molecular Genetics of Industrial Microorganisms, Institute of Molecular Genetics and Genetic Engineering, Vojvode Stepe 444a, 11010 Belgrade, Serbia and Montenegro
    FEMS Microbiol Lett 246:175-81. 2005
    ..aeruginosa PAO1 and psrA knock-out derivative was also performed resulting in the identification of 11 protein spots which were differentially regulated. These studies have indicated PsrA as a global regulator...
  56. ncbi request reprint Isolation, characterization, and heterologous expression of a carboxylesterase of Pseudomonas aeruginosa PAO1
    Alessandro Pesaresi
    International School for Advanced Studies, Alessandro Pesaresi, Via Beirut 2 4, I 34014 Trieste, Italy
    Curr Microbiol 50:102-9. 2005
    ..Homology-based database searches clearly revealed the presence of the consensus GXSXG signature motif that is present in the serine-dependent acylhydrolase protein family...
  57. ncbi request reprint Pseudomonas corrugata contains a conserved N-acyl homoserine lactone quorum sensing system; its role in tomato pathogenicity and tobacco hypersensitivity response
    Grazia Licciardello
    Parco Scientifico e Tecnologico della Sicilia, z i Blocco Palma I, Catania, Italy
    FEMS Microbiol Ecol 61:222-34. 2007
    ..corrugata regulates traits that contribute to virulence, antimicrobial activity and fitness. This is the first report of genes of Ps. corrugata involved in the disease development and biological control activity...
  58. pmc Pseudomonas aeruginosa relA contributes to virulence in Drosophila melanogaster
    David L Erickson
    Department of Biological Sciences, University of Calgary, Alberta, Canada
    Infect Immun 72:5638-45. 2004
    ..These results suggest that adjustment of cellular ppGpp and pppGpp levels could be an important regulatory mechanism in P. aeruginosa adaptation in pathogenic relationships...
  59. ncbi request reprint RsaL provides quorum sensing homeostasis and functions as a global regulator of gene expression in Pseudomonas aeruginosa
    Giordano Rampioni
    Department of Biology, University Roma Tre, 00146, Rome, Italy
    Mol Microbiol 66:1557-65. 2007
    ..These investigations highlight the importance of RsaL as a global regulator of P. aeruginosa physiology that provides a counterbalance to 3OC(12)-HSL-dependent gene activation via multiple mechanisms...
  60. doi request reprint 5' Untranslated region of the Pseudomonas putida WCS358 stationary phase sigma factor rpoS mRNA is involved in RpoS translational regulation
    Branko Jovcic
    Institute of Molecular Genetics and Genetic Engineering, Vojvode Stepe 444 a, PO Box 23, 11010 Belgrade, Serbia
    J Microbiol 46:56-61. 2008
    ..The results obtained herein demonstrated that the structure of UTR performs an important function in the translational regulation of the rpoS gene...
  61. ncbi request reprint Production of glycosylated thermostable Providencia rettgeri penicillin G amidase in Pichia pastoris
    Milica Sevo
    Institute of Molecular Genetics and Genetic Engineering, Belgrade, FR Yugoslavia
    FEMS Yeast Res 1:271-7. 2002
    ..pastoris, the other parameters were very similar to those of the corresponding non-glycosylated enzymes produced in bacteria or in S. cerevisiae. The higher thermostability of this recombinant enzyme has a clear industrial advantage...
  62. pmc The Pseudomonas quorum-sensing regulator RsaL belongs to the tetrahelical superclass of H-T-H proteins
    Giordano Rampioni
    Department of Biology, University Roma Tre, Viale Marconi, 446, 00146, Rome, Italy
    J Bacteriol 189:1922-30. 2007
    ..Finally, the minimum DNA sequence required for RsaL binding on the lasI promoter was determined, and our data support the hypothesis that RsaL binds DNA as a dimer...
  63. pmc The quorum-sensing negative regulator RsaL of Pseudomonas aeruginosa binds to the lasI promoter
    Giordano Rampioni
    Department of Biology, University Roma Tre, Viale G Marconi 446, 00146, Rome, Italy
    J Bacteriol 188:815-9. 2006
    ..This is the first direct demonstration that RsaL acts as a QS negative regulator by binding to the lasI promoter...