Marco Ventura

Summary

Affiliation: University of Parma
Country: Italy

Publications

  1. ncbi Gene structure and transcriptional organization of the dnaK operon of Bifidobacterium breve UCC 2003 and application of the operon in bifidobacterial tracing
    Marco Ventura
    Alimentary Pharmabiotic Centre and Department of Microbiology, Bioscience Institute, National University of Ireland, Cork, Ireland
    Appl Environ Microbiol 71:487-500. 2005
  2. ncbi Microbial diversity in the human intestine and novel insights from metagenomics
    Marco Ventura
    Department of Genetics, Biology of Microorganisms, Anthropology and Evolution, University of Parma, Italy
    Front Biosci 14:3214-21. 2009
  3. ncbi The Bifidobacterium dentium Bd1 genome sequence reflects its genetic adaptation to the human oral cavity
    Marco Ventura
    Laboratory of Probiogenomics, Department of Genetics, Biology of Microorganisms, Anthropology, and Evolution, University of Parma, Parma, Italy
    PLoS Genet 5:e1000785. 2009
  4. ncbi The ClgR protein regulates transcription of the clpP operon in Bifidobacterium breve UCC 2003
    Marco Ventura
    Department of Genetics, Evolution and Anthropology, University of Parma, Parma, Italy
    J Bacteriol 187:8411-26. 2005
  5. ncbi Prophage-like elements in bifidobacteria: insights from genomics, transcription, integration, distribution, and phylogenetic analysis
    Marco Ventura
    Alimentary Pharmabiotic Centre and Department of Microbiology, Biosciences Institute, National University of Ireland, Western Road, Cork, Ireland
    Appl Environ Microbiol 71:8692-705. 2005
  6. ncbi Genetic characterization of the Bifidobacterium breve UCC 2003 hrcA locus
    Marco Ventura
    Department of Genetics, Evolution, and Anthropology, University of Parma, Parma, Italy
    Appl Environ Microbiol 71:8998-9007. 2005
  7. ncbi Comparative genomics and transcriptional analysis of prophages identified in the genomes of Lactobacillus gasseri, Lactobacillus salivarius, and Lactobacillus casei
    Marco Ventura
    Department of Genetics, Anthropology and Evolution, University of Parma, Parco Area delle Scienze 11 A, 43100 Parma, Italy
    Appl Environ Microbiol 72:3130-46. 2006
  8. ncbi How high G+C Gram-positive bacteria and in particular bifidobacteria cope with heat stress: protein players and regulators
    Marco Ventura
    Alimentary Pharmabiotic Centre and Department of Microbiology, Bioscience Institute, National University of Ireland, Cork, Ireland
    FEMS Microbiol Rev 30:734-59. 2006
  9. ncbi Genomics as a means to understand bacterial phylogeny and ecological adaptation: the case of bifidobacteria
    Marco Ventura
    Department of Genetics, Anthropology and Evolution, University of Parma, Parma, Italy
    Antonie Van Leeuwenhoek 91:351-72. 2007
  10. ncbi Analysis of bifidobacterial evolution using a multilocus approach
    Marco Ventura
    Alimentary Pharmabiotic Centre and Department of Microbiology, Bioscience Institute, National University of Ireland, Western Road, Cork, Ireland
    Int J Syst Evol Microbiol 56:2783-92. 2006

Collaborators

Detail Information

Publications59

  1. ncbi Gene structure and transcriptional organization of the dnaK operon of Bifidobacterium breve UCC 2003 and application of the operon in bifidobacterial tracing
    Marco Ventura
    Alimentary Pharmabiotic Centre and Department of Microbiology, Bioscience Institute, National University of Ireland, Cork, Ireland
    Appl Environ Microbiol 71:487-500. 2005
    ..The use of these genes in bifidobacterial species as an alternative or complement to the 16S rRNA gene marker provides sequence signatures that allow a high level of discrimination between closely related species of this genus...
  2. ncbi Microbial diversity in the human intestine and novel insights from metagenomics
    Marco Ventura
    Department of Genetics, Biology of Microorganisms, Anthropology and Evolution, University of Parma, Italy
    Front Biosci 14:3214-21. 2009
    ..Recently, novel culture-independent approaches such as metagenomics-based techniques were shown to be crucially important for the exploration of the biodiversity of the human intestinal microbiota...
  3. ncbi The Bifidobacterium dentium Bd1 genome sequence reflects its genetic adaptation to the human oral cavity
    Marco Ventura
    Laboratory of Probiogenomics, Department of Genetics, Biology of Microorganisms, Anthropology, and Evolution, University of Parma, Parma, Italy
    PLoS Genet 5:e1000785. 2009
    ..The data indicate that the genome of this opportunistic cariogen has evolved through a very limited number of horizontal gene acquisition events, highlighting the narrow boundaries that separate commensals from opportunistic pathogens...
  4. ncbi The ClgR protein regulates transcription of the clpP operon in Bifidobacterium breve UCC 2003
    Marco Ventura
    Department of Genetics, Evolution and Anthropology, University of Parma, Parma, Italy
    J Bacteriol 187:8411-26. 2005
    ....
  5. ncbi Prophage-like elements in bifidobacteria: insights from genomics, transcription, integration, distribution, and phylogenetic analysis
    Marco Ventura
    Alimentary Pharmabiotic Centre and Department of Microbiology, Biosciences Institute, National University of Ireland, Western Road, Cork, Ireland
    Appl Environ Microbiol 71:8692-705. 2005
    ..Interestingly, a gene predicted to encode an extracellular beta-glucosidase carried within the Bbr-1 prophage-like element was shown to be transcribed...
  6. ncbi Genetic characterization of the Bifidobacterium breve UCC 2003 hrcA locus
    Marco Ventura
    Department of Genetics, Evolution, and Anthropology, University of Parma, Parma, Italy
    Appl Environ Microbiol 71:8998-9007. 2005
    ..This induction pattern is unlike those of other characterized dnaJ genes and may be indicative of a unique stress adaptation strategy by this commensal microorganism...
  7. ncbi Comparative genomics and transcriptional analysis of prophages identified in the genomes of Lactobacillus gasseri, Lactobacillus salivarius, and Lactobacillus casei
    Marco Ventura
    Department of Genetics, Anthropology and Evolution, University of Parma, Parco Area delle Scienze 11 A, 43100 Parma, Italy
    Appl Environ Microbiol 72:3130-46. 2006
    ..Finally, pulsed-field gel electrophoresis followed by Southern blot hybridization with specific prophage probes indicates that these prophage sequences are narrowly distributed within lactobacilli...
  8. ncbi How high G+C Gram-positive bacteria and in particular bifidobacteria cope with heat stress: protein players and regulators
    Marco Ventura
    Alimentary Pharmabiotic Centre and Department of Microbiology, Bioscience Institute, National University of Ireland, Cork, Ireland
    FEMS Microbiol Rev 30:734-59. 2006
    ..Temporal expression of heat-shock genes based on functional genomics in members of the Actinobacteridae group is also discussed, as well as the emerging molecular mechanisms controlling the heat-stress response...
  9. ncbi Genomics as a means to understand bacterial phylogeny and ecological adaptation: the case of bifidobacteria
    Marco Ventura
    Department of Genetics, Anthropology and Evolution, University of Parma, Parma, Italy
    Antonie Van Leeuwenhoek 91:351-72. 2007
    ....
  10. ncbi Analysis of bifidobacterial evolution using a multilocus approach
    Marco Ventura
    Alimentary Pharmabiotic Centre and Department of Microbiology, Bioscience Institute, National University of Ireland, Western Road, Cork, Ireland
    Int J Syst Evol Microbiol 56:2783-92. 2006
    ..The results demonstrate that the concatenation of these seven gene sequences for phylogenetic purposes allows a significant increase in the discriminatory power between taxa...
  11. ncbi Analyses of bifidobacterial prophage-like sequences
    Marco Ventura
    Department of Genetics, Biology of Microorganisms, Anthropology and Evolution, University of Parma, Parco Area delle Scienze 11A, 43100 Parma, Italy
    Antonie Van Leeuwenhoek 98:39-50. 2010
    ..Furthermore, single phage gene as well as multiple phage gene-based phylogenetic analyses clearly revealed the chimeric make-up of the genomes of bifidoprophages...
  12. ncbi Genomics of Actinobacteria: tracing the evolutionary history of an ancient phylum
    Marco Ventura
    Department of Genetics, Biology of Microorganisms, Anthropology and Evolution, University of Parma, Parco Area delle Scienze 11A, 43100 Parma, Italy
    Microbiol Mol Biol Rev 71:495-548. 2007
    ..This review provides an account of the recent explosion of actinobacterial genomics data and an attempt to place this in a biological and evolutionary context...
  13. ncbi The impact of bacteriophages on probiotic bacteria and gut microbiota diversity
    Marco Ventura
    Laboratory of Probiogenomics, Department of Genetics, Biology of Microorganisms, Anthropology and Evolution, University of Parma, Parco Area delle Scienze 11A, 43100, Parma, Italy
    Genes Nutr 6:205-7. 2011
    ..Here, we discussed the impact of bacteriophages on the composition of human intestinal microbiota as well as on the survival and thus efficacy of probiotic bacteria in the human gut...
  14. ncbi Comparative analyses of prophage-like elements present in bifidobacterial genomes
    Marco Ventura
    Department of Genetics, Anthropology and Evolution, University of Parma, Parco Area delle Scienze 11A, 43100 Parma, Italy
    Appl Environ Microbiol 75:6929-36. 2009
    ....
  15. ncbi Exploring the diversity of the bifidobacterial population in the human intestinal tract
    Francesca Turroni
    Department of Genetics, Biology of Microorganisms, Anthropology and Evolution, University of Parma, Parco Area delle Scienze 11A, 43100 Parma, Italy
    Appl Environ Microbiol 75:1534-45. 2009
    ..Notably, a small number of bifidobacterial isolates were shown to display a wide ecological distribution, thus suggesting that they possess a broad colonization capacity...
  16. ncbi Exploiting Bifidobacterium genomes: the molecular basis of stress response
    Juliano De Dea Lindner
    Department of Genetics, Anthropology and Evolution, University of Parma, Parco Area delle Scienze 11A, 43100 Parma, Italy
    Int J Food Microbiol 120:13-24. 2007
    ..Here, we describe the principal molecular chaperones involved in such stresses, as well as their use as phylogenetic markers for gaining insight into the evolutionary history of high G+C Gram positive bacteria...
  17. ncbi Characterization of the serpin-encoding gene of Bifidobacterium breve 210B
    Francesca Turroni
    Department of Genetics, Biology of Microorganisms, Anthropology and Evolution, University of Parma, Parma, Italy
    Appl Environ Microbiol 76:3206-19. 2010
    ..breve 210B cultures with some proteases. Interestingly, transcription of other bifidobacterial ser homologs appears to be triggered by different proteases...
  18. ncbi Genetic and transcriptional organization of the clpC locus in Bifidobacterium breve UCC 2003
    Marco Ventura
    Department of Microbiology, National University of Ireland, Western Road, Cork, Ireland
    Appl Environ Microbiol 71:6282-91. 2005
    ..We show that a biologically active ClgR molecule requires one or more proteinaceous coactivators to assist in the specific binding of ClgR to the clpC promoter region...
  19. ncbi Molecular characterization of hsp20, encoding a small heat shock protein of bifidobacterium breve UCC2003
    Marco Ventura
    Department of Genetics, Anthropology and Evolution, University of Parma, Parma, Italy
    Appl Environ Microbiol 73:4695-703. 2007
    ..Analysis by slot blot, Northern blot, and primer extension experiments showed that transcription of hsp20 is strongly induced in response to severe heat shock regimens and by osmotic shock...
  20. ncbi Global genome transcription profiling of Bifidobacterium bifidum PRL2010 under in vitro conditions and identification of reference genes for quantitative real-time PCR
    Francesca Turroni
    Laboratory of Probiogenomics, Department of Genetics, Biology of Microorganisms, Anthropology and Evolution, University of Parma, Parma, Italy
    Appl Environ Microbiol 77:8578-87. 2011
    ..Our analyses validated six reference genes suitable for normalizing mRNA expression levels in qRT-PCR experiments applied to bifidobacteria...
  21. ncbi The clpB gene of Bifidobacterium breve UCC 2003: transcriptional analysis and first insights into stress induction
    Marco Ventura
    Alimentary Pharmabiotic Centre and Department of Microbiology, Bioscience Institute, National University of Ireland, Western Road, Cork, Ireland
    Microbiology 151:2861-72. 2005
    ..Moreover the predicted 3D structure of HspR provides further insight into the binding mode of this protein to the clpB promoter region, and highlights the key amino acid residues believed to be involved in the protein-DNA interaction...
  22. ncbi An interactive regulatory network controls stress response in Bifidobacterium breve UCC2003
    Aldert Zomer
    Alimentary Pharmabiotic Centre and Department of Microbiology, National University of Ireland, Cork, Ireland
    J Bacteriol 191:7039-49. 2009
    ..This model of an interacting regulatory network is believed to represent the paradigm for stress adaptation in bifidobacteria...
  23. ncbi From bacterial genome to functionality; case bifidobacteria
    Marco Ventura
    Department of Genetics, Anthropology and Evolution, University of Parma, Italy
    Int J Food Microbiol 120:2-12. 2007
    ....
  24. ncbi Microbiomic analysis of the bifidobacterial population in the human distal gut
    Francesca Turroni
    Department of Genetics, Biology of Microorganisms, Anthropology and Evolution, University of Parma, Parma, Italy
    ISME J 3:745-51. 2009
    ..These analyses showed the presence of novel bifidobacterial phylotypes, which had not been found earlier and may thus represent novel taxa within the genus Bifidobacterium...
  25. ncbi Comparative analyses of prophage-like elements present in two Lactococcus lactis strains
    Marco Ventura
    Alimentary Pharmabiotic Centre and Department of Microbiology, Bioscience Institute, National University of Ireland, Western Road, Cork, Ireland
    Appl Environ Microbiol 73:7771-80. 2007
    ..cremoris strains MG1363 and SK11, respectively. Phylogenetic investigation as well bioinformatic analyses indicates that all 11 prophages belong to subdivisions of the lactococcal P335 group of temperate bacteriophages...
  26. ncbi Comparative genomics of the genus Bifidobacterium
    Francesca Bottacini
    Laboratory of Probiogenomics, Department of Genetics, Biology of Microorganisms, Anthropology and Evolution, University of Parma, Italy
    Microbiology 156:3243-54. 2010
    ..This comparative study of the genus Bifidobacterium thus presents a foundation for future functional analyses of this important group of GIT bacteria...
  27. ncbi Genetic analysis and morphological identification of pilus-like structures in members of the genus Bifidobacterium
    Elena Foroni
    Laboratory of Probiogenomics, Department of Genetics, Biology of Microorganisms, Anthropology and Evolution, University of Parma, Italy
    Microb Cell Fact 10:S16. 2011
    ..Quantitative Real Time (qRT)-PCR analysis and RT-PCR experiments revealed a polycistronic mRNA, encompassing the fimA/P and fimB/Q genes, which are differentially expressed upon cultivation of bifidobacteria on various glycans...
  28. ncbi Complete genome sequence of Bifidobacterium animalis subsp. lactis BLC1
    Francesca Bottacini
    Alimentary Pharmabiotic Centre and Department of Microbiology, Bioscience Institute, National University of Ireland, Western Road, Cork, Ireland
    J Bacteriol 193:6387-8. 2011
    ..lactis BLC1, which is expected to provide insights into the biology of this health-promoting microorganism and improve our understanding of its phylogenetic relatedness with other members of the B. animalis subsp. lactis taxon...
  29. ncbi Ability of Bifidobacterium breve to grow on different types of milk: exploring the metabolism of milk through genome analysis
    Francesca Turroni
    Laboratory of Probiogenomics, Department of Genetics, Biology of Microorganisms, Anthropology and Evolution, University of Parma, Parco Area delle Scienze 11A, 43100 Parma, Italy
    Appl Environ Microbiol 77:7408-17. 2011
    ..Moreover, evaluation of the growth capabilities and transcriptomic analyses of one representative isolate of this species, i.e., B. breve 4L, on different milk types were performed...
  30. ncbi Genome analysis of Bifidobacterium bifidum PRL2010 reveals metabolic pathways for host-derived glycan foraging
    Francesca Turroni
    Laboratory of Probiogenomics, Department of Genetics, Biology of Microorganisms, Anthropology and Evolution, University of Parma, 43100 Parma, Italy
    Proc Natl Acad Sci U S A 107:19514-9. 2010
    ..Conservation of the latter gene clusters in various B. bifidum strains supports the notion that host-derived glycan catabolism is an important colonization factor for B. bifidum with concomitant impact on intestinal microbiota ecology...
  31. ncbi Human gut microbiota and bifidobacteria: from composition to functionality
    Francesca Turroni
    Department of Genetics, Anthropology and Evolution University of Parma, Parco Area delle Scienze 11A, 43100 Parma, Italy
    Antonie Van Leeuwenhoek 94:35-50. 2008
    ....
  32. ncbi Characterization of the groEL and groES loci in Bifidobacterium breve UCC 2003: genetic, transcriptional, and phylogenetic analyses
    Marco Ventura
    Department of Microbiology, National University of Ireland, Western Road, Cork, Ireland
    Appl Environ Microbiol 70:6197-209. 2004
    ....
  33. ncbi Genomics and ecological overview of the genus Bifidobacterium
    Francesca Turroni
    Laboratory of Probiogenomics, Department of Genetics, Biology of Microorganisms, Anthropology and Evolution University of Parma, Italy
    Int J Food Microbiol 149:37-44. 2011
    ..The aim of this review is to highlight the genetic and functional features of bifidobacteria residing in the human GIT using genomic and ecology-based information...
  34. ncbi Genetic strategies for mucin metabolism in Bifidobacterium bifidum PRL2010: an example of possible human-microbe co-evolution
    Francesca Turroni
    Laboratory of Probiogenomics, Department of Genetics, Biology of Microorganisms, Anthropology and Evolution University of Parma, Italy
    Gut Microbes 2:183-9. 2011
    ..bifidum genomes demonstrated the ubiquitous presence of these genetic regions in genomes of members of this bifidobacterial taxon, and suggest specific B. bifidum metabolic traits that underpin this case of host-microbe co-evolution...
  35. ncbi Genome-scale analyses of health-promoting bacteria: probiogenomics
    Marco Ventura
    Department of Genetics, Anthropology and Evolution, University of Parma, Italy
    Nat Rev Microbiol 7:61-71. 2009
    ..In this Review, we discuss the application of probiogenomics in the elucidation of the molecular basis of probiosis using the well-recognized model probiotic bacteria genera Bifidobacterium and Lactobacillus as examples...
  36. ncbi Functional genome analysis of Bifidobacterium breve UCC2003 reveals type IVb tight adherence (Tad) pili as an essential and conserved host-colonization factor
    Mary O'Connell Motherway
    Alimentary Pharmabiotic Centre, National University of Ireland, Cork, Ireland
    Proc Natl Acad Sci U S A 108:11217-22. 2011
    ..Conservation of the Tad pilus-encoding locus among other B. breve strains and among sequenced Bifidobacterium genomes supports the notion of a ubiquitous pili-mediated host colonization and persistence mechanism for bifidobacteria...
  37. ncbi Progress in genomics, metabolism and biotechnology of bifidobacteria
    Michelle Cronin
    Cork Cancer Research Centre, Mercy University Hospital and Leslie C Quick Jnr Laboratory, University College Cork, Cork, Ireland
    Int J Food Microbiol 149:4-18. 2011
    ..In this review we present a summary of current knowledge on bifidobacterial metabolism, classification, physiology and genetics and outline the currently available methods for genetically accessing and manipulating the genus...
  38. ncbi Insights into the taxonomy, genetics and physiology of bifidobacteria
    Marco Ventura
    Department of Microbiology, National University of Cork, Western Road, Cork, Ireland
    Antonie Van Leeuwenhoek 86:205-23. 2004
    ..This review will deal mainly with the molecular tools described for bifidobacterial identification and the first insights into the underlying genetics involved in bifidobacterial physiology as well as genome variability...
  39. ncbi Bifidobacteria: from ecology to genomics
    Francesca Turroni
    Department of Genetics, Biology of Microorganisms, Anthropology and Evolution University of Parma, Italy
    Front Biosci 14:4673-84. 2009
    ..Furthermore, bifidobacterial genomics has revealed various genetic adaptations of these bacteria to the gastrointestinal niche...
  40. ncbi Insights into physiological and genetic mupirocin susceptibility in bifidobacteria
    Fausta Serafini
    Department of Genetics, Biology of Microorganisms, Anthropology, and Evolution, University of Parma, Parco Area delle Scienze 11A, 43124 Parma, Italy
    Appl Environ Microbiol 77:3141-6. 2011
    ..These analyses revealed key amino acid residues of the IleS protein that apparently are crucial for conferring a mupirocin resistance phenotype to bifidobacteria...
  41. ncbi Polyphasic taxonomic analysis of Bifidobacterium animalis and Bifidobacterium lactis reveals relatedness at the subspecies level: reclassification of Bifidobacterium animalis as Bifidobacterium animalis subsp. animalis subsp. nov. and Bifidobacterium lact
    Liesbeth Masco
    Laboratory of Microbiology, Department of Biochemistry, Physiology and Microbiology, Ghent University, K L Ledeganckstraat 35, B 9000 Gent, Belgium
    Int J Syst Evol Microbiol 54:1137-43. 2004
    ..e. Bifidobacterium animalis subsp. animalis subsp. nov. (type strain R101-8T=LMG 10508T=ATCC 25527T=DSM 20104T=JCM 1190T) and Bifidobacterium animalis subsp. lactis subsp. nov. (type strain UR1T=LMG 18314T=DSM 10140T=JCM 10602T)...
  42. ncbi The role of prophage for genome diversification within a clonal lineage of Lactobacillus johnsonii: characterization of the defective prophage LJ771
    Emmanuel Denou
    Nestle Research Center, Nestec Ltd, P O Box 44, CH 1000 Lausanne 26, Switzerland
    J Bacteriol 190:5806-13. 2008
    ..The two L. johnsonii strains had identical in vitro growth and in vivo gut persistence phenotypes. Also, in an isogenic background, the presence of the prophage resulted in no growth disadvantage...
  43. ncbi Comparative genomics of phages and prophages in lactic acid bacteria
    Frank Desiere
    Nestle Research Center, Nestec Ltd, Vers chez les Blanc, CH Lausanne 26, Switzerland
    Antonie Van Leeuwenhoek 82:73-91. 2002
    ..These genes belong to the few prophage genes transcribed in the lysogen. Prophages from dairy bacteria might therefore also contribute to the evolutionary fitness of non-pathogenic LAB...
  44. ncbi Transcription analysis of Streptococcus thermophilus phages in the lysogenic state
    Marco Ventura
    , Nestec Ltd. Vers-chez-les-Blanc, CH Lausanne, 26, Switzerland
    Virology 302:21-32. 2002
    ..thermophilus that had lost most of the prophage DNA while transcribed prophage genes were spared from the deletion process...
  45. ncbi Identification and characterization of novel surface proteins in Lactobacillus johnsonii and Lactobacillus gasseri
    Marco Ventura
    Nestle Research Center, Vers chez les Blanc, 1000 Lausanne 26, Switzerland
    Appl Environ Microbiol 68:6172-81. 2002
    ..These results suggest that APF is a novel surface protein of the Lactobacillus acidophilus B-homology group which might belong to an S-layer-like family...
  46. ncbi Specific identification and molecular typing analysis of Lactobacillus johnsonii by using PCR-based methods and pulsed-field gel electrophoresis
    Marco Ventura
    , Route du Jorat 57, Vers-chez-les-Blanc, 1000 Lausanne 26, Switzerland
    FEMS Microbiol Lett 217:141-54. 2002
    ..johnsonii strains from various environmental samples, for product monitoring, for species tracing in clinical studies as well as bacterial profiling of various microecological or gastrointestinal environments...
  47. ncbi Contribution of aggregation-promoting factor to maintenance of cell shape in Lactobacillus gasseri 4B2
    Ivana Jankovic
    Nestle Research Center, Vers chez les Blanc, 1000 Lausanne 26, Switzerland
    J Bacteriol 185:3288-96. 2003
    ..This report shows, for the first time, that APF proteins are mainly critical for L. gasseri 4B2 cell shape maintenance...
  48. ncbi Integration and distribution of Lactobacillus johnsonii prophages
    Marco Ventura
    , CH-1000 Lausanne 26, Vers-chez-les-Blanc, Switzerland
    J Bacteriol 185:4603-8. 2003
    ..In a survey, the prophages were restricted to strains sharing an essentially identical restriction pattern. Microarray analysis showed that the prophage DNA represents about 50% of the NCC533 strain-specific DNA...
  49. ncbi Analysis, characterization, and loci of the tuf genes in lactobacillus and bifidobacterium species and their direct application for species identification
    Marco Ventura
    Nestle Research Center, 1000 Lausanne 26, Switzerland
    Appl Environ Microbiol 69:6908-22. 2003
    ..In contrast, bioinformatic and transcriptional analyses of the DNA region flanking the tuf gene in four Lactobacillus species indicated the same four-gene unit and suggested a novel tuf operon specific for the genus Lactobacillus...
  50. ncbi The prophage sequences of Lactobacillus plantarum strain WCFS1
    Marco Ventura
    Nestle Research Center, CH-1000 Lausanne 26, Vers-chez-les-Blanc, Switzerland
    Virology 316:245-55. 2003
    ..Both prophages harbored tRNA genes. R-Lp3 and R-Lp4 represent short prophage remnants; R-Lp3 abuts Lp2 and displays sequence links to cos-site Siphoviridae...
  51. ncbi Comparative sequence analysis of the tuf and recA genes and restriction fragment length polymorphism of the internal transcribed spacer region sequences supply additional tools for discriminating Bifidobacterium lactis from Bifidobacterium animalis
    Marco Ventura
    Nestle Research Center, Vers chez les Blanc, 1000 Lausanne 26, Switzerland
    Appl Environ Microbiol 69:7517-22. 2003
    ..Therefore, all strains of B. lactis and B. animalis could be unified as the species B. animalis and divided into two subspecies, Bifidobacterium animalis subsp. lactis and Bifidobacterium animalis subsp. animalis...
  52. ncbi The prophages of Lactobacillus johnsonii NCC 533: comparative genomics and transcription analysis
    Marco Ventura
    , Nestec Ltd, CH-1026 Lausanne, Switzerland
    Virology 320:229-42. 2004
    ..A short, but highly transcribed region was located between the phage lysin and right attachment site; it lacked a protein-encoding function in one prophage...
  53. ncbi Bifidobacterium lactis DSM 10140: identification of the atp (atpBEFHAGDC) operon and analysis of its genetic structure, characteristics, and phylogeny
    Marco Ventura
    Nestle Research Center, Vers chez les Blanc, 1000 Lausanne 26, Switzerland
    Appl Environ Microbiol 70:3110-21. 2004
    ..lactis DSM 10140. The rapid increase in the level of atp operon transcripts upon exposure to low pH suggested that the ATPase complex of B. lactis DSM 10140 was regulated at the level of transcription and not at the enzyme assembly step...
  54. ncbi Sequence and comparative genomic analysis of lactococcal bacteriophages jj50, 712 and P008: evolutionary insights into the 936 phage species
    Jennifer Mahony
    Department of Microbiology, University College Cork, Ireland
    FEMS Microbiol Lett 261:253-61. 2006
    ..These genetic differences may be responsible for the observed differential sensitivity to the lactococcal DNA injection blocking protein, Sie(2009), and the abortive infection system, AbiA...
  55. ncbi Complete genome sequence of the prototype lactic acid bacterium Lactococcus lactis subsp. cremoris MG1363
    Udo Wegmann
    Department of Molecular Genetics, Groningen Biomolecular Sciences and Biotechnology Institute, University of Groningen, Kerklaan 30, 9751 NN Haren, The Netherlands
    J Bacteriol 189:3256-70. 2007
    ..The availability of the L. lactis MG1363 genome sequence will reinforce its status as the prototype among lactic acid bacteria through facilitation of further applied and fundamental research...
  56. ncbi Transcription mapping as a tool in phage genomics: the case of the temperate Streptococcus thermophilus phage Sfi21
    Marco Ventura
    , Nestec Ltd, Vers-chez-les-Blanc, Lausanne 26, CH-1000, Switzerland
    Virology 296:62-76. 2002
    ..The involvement of phage-encoded regulators for middle and late transcription was suggested by chloramphenicol-inhibition experiments...
  57. ncbi Identification and tracing of Bifidobacterium species by use of enterobacterial repetitive intergenic consensus sequences
    Marco Ventura
    , Route de Jourat 57, Vers-chez-les-Blanc, 1000 Lausanne 26, Switzerland
    Appl Environ Microbiol 69:4296-301. 2003
    ..We demonstrated that ERIC-PCR is useful for a phylogenetic and taxonomical analysis but as well as for a species composition analysis of mixed bifidobacterial cultures isolated from dairy products and other environments...
  58. ncbi Rapid identification, differentiation, and proposed new taxonomic classification of Bifidobacterium lactis
    Marco Ventura
    , Vers-chez-les-Blanc, 1000 Lausanne 26, Switzerland
    Appl Environ Microbiol 68:6429-34. 2002
    ..lactis and B. animalis form two main groups and suggest a revision of the strains assigned to B. animalis. We propose that B. lactis should be separated from B. animalis at the subspecies level...
  59. ncbi Temporal transcription map of the virulent Streptococcus thermophilus bacteriophage Sfi19
    Marco Ventura
    , Nestec Ltd, Vers-chez-les-Blanc, CH-1000 Lausanne 26, Switzerland
    Appl Environ Microbiol 70:5041-6. 2004
    ..Chloramphenicol treatment suppressed the translation of a putative transcriptional factor necessary for the production of late transcripts and shifted middle transcripts to early transcription times...