Experts and Doctors on bacterial rna in Denmark

Summary

Locale: Denmark
Topic: bacterial rna

Top Publications

  1. Stepanov V, Nyborg J. tmRNA from Thermus thermophilus. Interaction with alanyl-tRNA synthetase and elongation factor Tu. Eur J Biochem. 2003;270:463-75 pubmed
    ..Studies on EF-Tu protection of Ala approximately tmRNA against alkaline hydrolysis revealed the existence of at least two different binding sites for EF-Tu on charged tmRNA. The possible nature of these binding sites is discussed. ..
  2. Garcia R, Baelum J, Fredslund L, Santorum P, Jacobsen C. Influence of temperature and predation on survival of Salmonella enterica serovar Typhimurium and expression of invA in soil and manure-amended soil. Appl Environ Microbiol. 2010;76:5025-31 pubmed publisher
    ..The results indicate that temperature, manure, and protozoan predation are important factors influencing the survival of Salmonella serovar Typhimurium in soil. ..
  3. Lykke Andersen S, Brodersen D, Jensen T. Origins and activities of the eukaryotic exosome. J Cell Sci. 2009;122:1487-94 pubmed publisher
  4. Kirpekar F, Krogh T. RNA fragmentation studied in a matrix-assisted laser desorption/ionisation tandem quadrupole/orthogonal time-of-flight mass spectrometer. Rapid Commun Mass Spectrom. 2001;15:8-14 pubmed
    ..Finally, we used the acquired knowledge about oligoribonucleotide fragmentation to characterise an in vivo methylated oligoribonucleotide by tandem mass spectrometry. ..
  5. Jelsbak L, Hemmingsen L, Donat S, Ohlsen K, Boye K, Westh H, et al. Growth phase-dependent regulation of the global virulence regulator Rot in clinical isolates of Staphylococcus aureus. Int J Med Microbiol. 2010;300:229-36 pubmed publisher
    ..We propose that variation in global regulatory networks contribute considerably to the phenotypic variation observed between S. aureus isolates. ..
  6. Thisted T, Gerdes K. Mechanism of post-segregational killing by the hok/sok system of plasmid R1. Sok antisense RNA regulates hok gene expression indirectly through the overlapping mok gene. J Mol Biol. 1992;223:41-54 pubmed
    ..Furthermore, these mutations abolish the Sok-RNA-mediated control of hok gene expression. Hence, the antisense-RNA-mediated regulation of the hok gene seems to occur via translational coupling between the hok and mok reading-frames. ..
  7. Hjelmgaard T, Givskov M, Nielsen J. Expedient total synthesis of pyrrothine natural products and analogs. Org Biomol Chem. 2007;5:344-8 pubmed
    ..The pathway proceeds via the pyrrothine hydrochloride intermediate (6 steps, 17% overall) which also gave access to very fast synthesis of analogs as demonstrated by the synthesis of , and (7 steps, 11-12% overall). ..
  8. Olesen I, Vogensen F, Jespersen L. Gene transcription and virulence potential of Listeria monocytogenes strains after exposure to acidic and NaCl stress. Foodborne Pathog Dis. 2009;6:669-80 pubmed publisher
    ..monocytogenes. ..
  9. Kirpekar F, Douthwaite S, Roepstorff P. Mapping posttranscriptional modifications in 5S ribosomal RNA by MALDI mass spectrometry. RNA. 2000;6:296-306 pubmed
    ..Discrepancies with two of the published 5S rRNA sequences were identified and are reported here. ..

More Information

Publications74

  1. Gardner P, Giegerich R. A comprehensive comparison of comparative RNA structure prediction approaches. BMC Bioinformatics. 2004;5:140 pubmed
    ..Furthermore, we outline some directions for future research. ..
  2. Møller J, Pedersen L, Persson K. Comparison of Gen-probe transcription-mediated amplification, Abbott PCR, and Roche PCR assays for detection of wild-type and mutant plasmid strains of Chlamydia trachomatis in Sweden. J Clin Microbiol. 2008;46:3892-5 pubmed publisher
  3. Bek Thomsen M, Lomholt H, Kilian M. Acne is not associated with yet-uncultured bacteria. J Clin Microbiol. 2008;46:3355-60 pubmed publisher
    ..The findings of the study exclude the possibility that acne is associated with yet-uncultured bacteria and shows that healthy skin follicles constitute a remarkably exclusive habitat allowing colonization only by P. acnes. ..
  4. Christensen H, Kuhnert P, Olsen J, Bisgaard M. Comparative phylogenies of the housekeeping genes atpD, infB and rpoB and the 16S rRNA gene within the Pasteurellaceae. Int J Syst Evol Microbiol. 2004;54:1601-9 pubmed publisher
    ..The phylogeny based on the housekeeping genes supported observed host associations between Mannheimia, Actinobacillus sensu stricto and [Pasteurella] trehalosi and animals with paired hooves...
  5. Olsen A, Møller Jensen J, Brennan R, Valentin Hansen P. C-terminally truncated derivatives of Escherichia coli Hfq are proficient in riboregulation. J Mol Biol. 2010;404:173-82 pubmed publisher
    ..Our data show that, in all cases tested, the truncated proteins are fully capable of promoting posttranscriptional control, indicating that the C-terminal tail of E. coli Hfq plays a small role or no role in riboregulation. ..
  6. Burmølle M, Bahl M, Jensen L, Sørensen S, Hansen L. Type 3 fimbriae, encoded by the conjugative plasmid pOLA52, enhance biofilm formation and transfer frequencies in Enterobacteriaceae strains. Microbiology. 2008;154:187-95 pubmed publisher
    ..pOLA52 is believed to represent the first example of a conjugative plasmid encoding type 3 fimbriae, resulting in enhanced conjugation frequencies and biofilm formation of the plasmid-harbouring strain...
  7. Nielsen J, Olsen A, Bonde M, Valentin Hansen P, Kallipolitis B. Identification of a sigma B-dependent small noncoding RNA in Listeria monocytogenes. J Bacteriol. 2008;190:6264-70 pubmed publisher
    ..This finding adds the sigma(B) regulon to the growing list of stress-induced regulatory circuits that include small noncoding RNAs...
  8. Cubrilo S, Babic F, Douthwaite S, Maravic Vlahovicek G. The aminoglycoside resistance methyltransferase Sgm impedes RsmF methylation at an adjacent rRNA nucleotide in the ribosomal A site. RNA. 2009;15:1492-7 pubmed publisher
    ..The data indicate that interplay between resistance methyltransferases and the cell's own indigenous methyltransferases can play an important role in determining resistance levels. ..
  9. Egebjerg J, Garrett R. Binding sites of the antibiotics pactamycin and celesticetin on ribosomal RNAs. Biochimie. 1991;73:1145-9 pubmed
    ..Inferences are drawn concerning the mode of action of the antibiotics...
  10. Abildgaard L, Nielsen M, Kjeldsen K, Ingvorsen K. Desulfovibrio alkalitolerans sp. nov., a novel alkalitolerant, sulphate-reducing bacterium isolated from district heating water. Int J Syst Evol Microbiol. 2006;56:1019-24 pubmed
    ..nov. is proposed. The type strain is RT2T (=DSM 16529T=JCM 12612T). The strain is the first alkali-tolerant member of the genus Desulfovibrio to be described...
  11. Andersen E, Rosenblad M, Larsen N, Westergaard J, Burks J, Wower I, et al. The tmRDB and SRPDB resources. Nucleic Acids Res. 2006;34:D163-8 pubmed publisher
    ..All alignments can be easily examined using a new exploratory browser. The databases provide links to high-resolution structures and serve as depositories for structures obtained by molecular modeling...
  12. Bollmann A, Schmidt I, Saunders A, Nicolaisen M. Influence of starvation on potential ammonia-oxidizing activity and amoA mRNA levels of Nitrosospira briensis. Appl Environ Microbiol. 2005;71:1276-82 pubmed
    ..Maintaining cells in this kind of active state could be the survival strategy of ammonia-oxidizing bacteria in nature under fluctuating NH4+ availability...
  13. Hansen M, Kirpekar F, Ritterbusch W, Vester B. Posttranscriptional modifications in the A-loop of 23S rRNAs from selected archaea and eubacteria. RNA. 2002;8:202-13 pubmed
    ..Eight of the methylated nucleotides and one psi have not been reported previously. The distribution of modified nucleotides and their locations on the surface of the ribosomal peptidyl transferase cleft suggests functional importance...
  14. Gerdes K, Nielsen A, Thorsted P, Wagner E. Mechanism of killer gene activation. Antisense RNA-dependent RNase III cleavage ensures rapid turn-over of the stable hok, srnB and pndA effector messenger RNAs. J Mol Biol. 1992;226:637-49 pubmed
    ..Based on these and on observations obtained previously, we present a molecular model that explains the activation of the killer mRNAs in plasmid-free segregants and after addition of rifampicin. ..
  15. Purta E, O Connor M, Bujnicki J, Douthwaite S. YgdE is the 2'-O-ribose methyltransferase RlmM specific for nucleotide C2498 in bacterial 23S rRNA. Mol Microbiol. 2009;72:1147-58 pubmed publisher
    ..The ygdE gene has been redesignated rlmM for rRNA large subunit methyltransferase M. ..
  16. Dam Mikkelsen N, Gerdes K. Sok antisense RNA from plasmid R1 is functionally inactivated by RNase E and polyadenylated by poly(A) polymerase I. Mol Microbiol. 1997;26:311-20 pubmed
    ..We also show that Sok RNA is polyadenylated by poly(A) polymerase I (PAP I), and that the poly(A)-tailing is prerequisite for the rapid 3'-exonucleolytic degradation by PNPase. ..
  17. Boysen A, Møller Jensen J, Kallipolitis B, Valentin Hansen P, Overgaard M. Translational regulation of gene expression by an anaerobically induced small non-coding RNA in Escherichia coli. J Biol Chem. 2010;285:10690-702 pubmed publisher
  18. Jensen C, Pedersen S. Concentrations of 4.5S RNA and Ffh protein in Escherichia coli: the stability of Ffh protein is dependent on the concentration of 4.5S RNA. J Bacteriol. 1994;176:7148-54 pubmed
    ..5S RNA deficiency could reduce the requirement for Ffh protein. Since the two sffE suppressors do not suppress the Ffh requirement, we suggest that 4.5S RNA either acts in a sequential reaction with Ffh or has two functions. ..
  19. Christensen S, Gerdes K. RelE toxins from bacteria and Archaea cleave mRNAs on translating ribosomes, which are rescued by tmRNA. Mol Microbiol. 2003;48:1389-400 pubmed
    ..RelE proteins from Gram-positive Bacteria and Archaea cleaved tmRNA with a pattern similar to that of E. coli RelE, suggesting that the function and target of RelE may be conserved across the prokaryotic domains. ..
  20. Christensen H, Bisgaard M, Bojesen A, Mutters R, Olsen J. Genetic relationships among avian isolates classified as Pasteurella haemolytica, 'Actinobacillus salpingitidis' or Pasteurella anatis with proposal of Gallibacterium anatis gen. nov., comb. nov. and description of additional genomospecies within Gal. Int J Syst Evol Microbiol. 2003;53:275-87 pubmed
    ..haemolytica]-'A. salpingitidis' complex. The type strain of Gallibacterium anatis is F 149T (=ATCC 43329T = NCTC 11413T) and the reference strain of Gallibacterium genomospecies 1 is CCM 5974...
  21. Skovhus T, Ramsing N, Holmstrom C, Kjelleberg S, Dahllof I. Real-time quantitative PCR for assessment of abundance of Pseudoalteromonas species in marine samples. Appl Environ Microbiol. 2004;70:2373-82 pubmed
    ..The rDNA fractions of Pseudoalteromonas compared to all Eubacteria were 1.55% on the green alga Ulva lactuca, 0.10% on the tunicate Ciona intestinalis, and 0.06% on the green alga Ulvaria fusca...
  22. Andersen J, Jensen K, Poulsen P. Role of transcription pausing in the control of the pyrE attenuator in Escherichia coli. Mol Microbiol. 1991;5:327-33 pubmed
  23. Johansen J, Eriksen M, Kallipolitis B, Valentin Hansen P. Down-regulation of outer membrane proteins by noncoding RNAs: unraveling the cAMP-CRP- and sigmaE-dependent CyaR-ompX regulatory case. J Mol Biol. 2008;383:1-9 pubmed publisher
    ..The conservation of CyaR, MicA, RybB, and their targets suggests that the omp mRNA-sRNA regulatory network is an integral part of the envelope stress response in many enterobacteria. ..
  24. Møller T, Franch T, Udesen C, Gerdes K, Valentin Hansen P. Spot 42 RNA mediates discoordinate expression of the E. coli galactose operon. Genes Dev. 2002;16:1696-706 pubmed
    ..Our results reveal an interesting mechanism by which the expression of a promoter distal gene in an operon can be modulated and underline the importance of antisense control in bacterial gene regulation. ..
  25. Egebjerg J, Christiansen J, Brown R, Larsen N, Garrett R. Protein L18 binds primarily at the junctions of helix II and internal loops A and B in Escherichia coli 5 S RNA. Implications for 5 S RNA structure. J Mol Biol. 1989;206:651-68 pubmed
    ..coli 5 S RNA by L18 intercalate both at the loop A/helix II junction and in loop B at the binding site of the psoralen derivative. ..
  26. Leisner J, Vancanneyt M, Van der Meulen R, Lefebvre K, Engelbeen K, Hoste B, et al. Leuconostoc durionis sp. nov., a heterofermenter with no detectable gas production from glucose. Int J Syst Evol Microbiol. 2005;55:1267-70 pubmed
    ..nov. is proposed. The type strain is LMG 22556(T) (= LAB 1679(T) = D-24(T) = CCUG 49949(T)). ..
  27. Johansen S, Maus C, Plikaytis B, Douthwaite S. Capreomycin binds across the ribosomal subunit interface using tlyA-encoded 2'-O-methylations in 16S and 23S rRNAs. Mol Cell. 2006;23:173-82 pubmed
    ..The location of these methylations indicates the binding site and inhibitory mechanism of capreomycin and viomycin at the ribosome subunit interface...
  28. Hancock V, Klemm P. Global gene expression profiling of asymptomatic bacteriuria Escherichia coli during biofilm growth in human urine. Infect Immun. 2007;75:966-76 pubmed
    ..05). Also, the expression profile of strain 83972 in the human urinary tract partially overlaps with the biofilm expression profile...
  29. Gerdes K, Thisted T, Martinussen J. Mechanism of post-segregational killing by the hok/sok system of plasmid R1: sok antisense RNA regulates formation of a hok mRNA species correlated with killing of plasmid-free cells. Mol Microbiol. 1990;4:1807-18 pubmed
    ..On the basis of these findings, we propose an extended model in order to explain the killing of plasmid-free segregants by the hok/sok system. ..
  30. Rasmussen A, Eriksen M, Gilany K, Udesen C, Franch T, Petersen C, et al. Regulation of ompA mRNA stability: the role of a small regulatory RNA in growth phase-dependent control. Mol Microbiol. 2005;58:1421-9 pubmed
    ..Our results indicate that distinct regulatory circuits are responsible for growth phase- and growth rate-dependent control of the ompA mRNA stability. ..
  31. Christensen S, Gerdes K. Delayed-relaxed response explained by hyperactivation of RelE. Mol Microbiol. 2004;53:587-97 pubmed
    ..Restoration of the prestarvation level of ppGpp, in turn, allows for the resumption of stable RNA synthesis seen during the delayed-relaxed response. ..
  32. Sørensen K, Neuhard J. Dual transcriptional initiation sites from the pyrC promoter control expression of the gene in Salmonella typhimurium. Mol Gen Genet. 1991;225:249-56 pubmed
    ..The leader of the shorter transcript, however, cannot form this secondary structure. Thus, translational initiation will occur unhindered only from the shorter transcript. ..
  33. Klemm P, Tong S, Nielsen H, Conway T. The gntP gene of Escherichia coli involved in gluconate uptake. J Bacteriol. 1996;178:61-7 pubmed
    ..Finally, the kinetics of GntP-mediated gluconate uptake were investigated, indicating an apparent Km for gluconate of 25 microM. ..
  34. Egebjerg J, Douthwaite S, Liljas A, Garrett R. Characterization of the binding sites of protein L11 and the L10.(L12)4 pentameric complex in the GTPase domain of 23 S ribosomal RNA from Escherichia coli. J Mol Biol. 1990;213:275-88 pubmed
    ..It also provides a structural rationale for the mutually co-operative binding of protein L11 with the antibiotics thiostrepton and micrococcin, and with the L10.(L12)4 protein complex. ..
  35. Egebjerg J, Leffers H, Christensen A, Andersen H, Garrett R. Structure and accessibility of domain I of Escherichia coli 23 S RNA in free RNA, in the L24-RNA complex and in 50 S subunits. Implications for ribosomal assembly. J Mol Biol. 1987;196:125-36 pubmed
    ..We draw the general conclusion that domain I is a highly structured domain that is important for initiating assembly and for the subsequent organization of the ribosome. ..
  36. Ostergaard P, Phan H, Johansen L, Egebjerg J, Ostergaard L, Porse B, et al. Assembly of proteins and 5 S rRNA to transcripts of the major structural domains of 23 S rRNA. J Mol Biol. 1998;284:227-40 pubmed
    ..A similar approach was used to map the putative binding regions on domain V of protein L9 and the 5 S RNA-L5-L18 complex. ..
  37. Christensen S, Maenhaut Michel G, Mine N, Gottesman S, Gerdes K, Van Melderen L. Overproduction of the Lon protease triggers inhibition of translation in Escherichia coli: involvement of the yefM-yoeB toxin-antitoxin system. Mol Microbiol. 2004;51:1705-17 pubmed
  38. Christensen S, Pedersen K, Hansen F, Gerdes K. Toxin-antitoxin loci as stress-response-elements: ChpAK/MazF and ChpBK cleave translated RNAs and are counteracted by tmRNA. J Mol Biol. 2003;332:809-19 pubmed
    ..Thus, ChpAK and ChpBK inhibit translation by a mechanism very similar to that of E.coli RelE. On the basis of these results, we propose a model that integrates TA loci into general prokaryotic stress physiology...
  39. Jensen C, Brown S, Pedersen S. Effect of 4.5S RNA depletion on Escherichia coli protein synthesis and secretion. J Bacteriol. 1994;176:2502-6 pubmed
    ..After further depletion of 4.5S RNA, accumulation of precursors of secreted proteins was observed under some growth conditions. ..
  40. Rodriguez Fonseca C, Phan H, Long K, Porse B, Kirillov S, Amils R, et al. Puromycin-rRNA interaction sites at the peptidyl transferase center. RNA. 2000;6:744-54 pubmed
    ..In contrast, the effects at A508 and A1579, which are located at the exit site of the peptide channel, are likely to be caused by a structural effect transmitted along the peptide channel...
  41. Vogel U, Jensen K. The RNA chain elongation rate in Escherichia coli depends on the growth rate. J Bacteriol. 1994;176:2807-13 pubmed
    ..However, the untranslated RNA chain specified by the rrnB gene was elongated nearly twice as fast as the two mRNA species encoded by infB and lacZ. ..
  42. Gerdes K, Gultyaev A, Franch T, Pedersen K, Mikkelsen N. Antisense RNA-regulated programmed cell death. Annu Rev Genet. 1997;31:1-31 pubmed
    ..The complex phylogenetic relationships of the plasmid- and chromosome-encoded systems are also presented and discussed. ..
  43. Long K, Poehlsgaard J, Hansen L, Hobbie S, Bottger E, Vester B. Single 23S rRNA mutations at the ribosomal peptidyl transferase centre confer resistance to valnemulin and other antibiotics in Mycobacterium smegmatis by perturbation of the drug binding pocket. Mol Microbiol. 2009;71:1218-27 pubmed publisher
  44. Andersen J, Poulsen P, Jensen K. Attenuation in the rph-pyrE operon of Escherichia coli and processing of the dicistronic mRNA. Eur J Biochem. 1992;206:381-90 pubmed
    ..Furthermore, the major 3' end of the pyrE mRNA was mapped near a palindromic structure of similarity to the family of repetitive extragenic palindromic sequences, 35 nucleotide residues after stop codon of the pryE gene. ..
  45. Overgaard M, Kallipolitis B, Valentin Hansen P. Modulating the bacterial surface with small RNAs: a new twist on PhoP/Q-mediated lipopolysaccharide modification. Mol Microbiol. 2009;74:1289-94 pubmed publisher
  46. Shlimon A, Friedrich M, Niemann H, Ramsing N, Finster K. Methanobacterium aarhusense sp. nov., a novel methanogen isolated from a marine sediment (Aarhus Bay, Denmark). Int J Syst Evol Microbiol. 2004;54:759-63 pubmed
    ..Based on 16S rRNA gene sequence analysis, the isolate is proposed to represent a novel taxon within the genus Methanobacterium, namely Methanobacterium aarhusense sp. nov. The type strain is H2-LR(T) (=DSM 15219(T)=ATCC BAA-828(T))...
  47. Kallipolitis B, Ingmer H, Gahan C, Hill C, Søgaard Andersen L. CesRK, a two-component signal transduction system in Listeria monocytogenes, responds to the presence of cell wall-acting antibiotics and affects beta-lactam resistance. Antimicrob Agents Chemother. 2003;47:3421-9 pubmed
    ..These results further our understanding of how L. monocytogenes senses and responds to antibiotics that are used therapeutically in the treatment of infectious diseases. ..
  48. Christensen H, Foster G, Christensen J, Pennycott T, Olsen J, Bisgaard M. Phylogenetic analysis by 16S rDNA gene sequence comparison of avian taxa of Bisgaard and characterization and description of two new taxa of Pasteurellaceae. J Appl Microbiol. 2003;95:354-63 pubmed
    ..Characterization and classification of members of Pasteurellaceae isolated from birds by extended phenotypic characterization and 16S rDNA gene sequence comparison...
  49. Leffers H, Egebjerg J, Andersen A, Christensen T, Garrett R. Domain VI of Escherichia coli 23 S ribosomal RNA. Structure, assembly and function. J Mol Biol. 1988;204:507-22 pubmed
  50. Hedegaard J, Okkels H, Bruun B, Kilian M, Mortensen K, Nørskov Lauritsen N. Phylogeny of the genus Haemophilus as determined by comparison of partial infB sequences. Microbiology. 2001;147:2599-609 pubmed
    ..The delineation of 'Haemophilus sensu stricto' as suggested by infB analysis supports previous results obtained by DNA hybridization, in contrast to the delineation inferred from 16S rRNA sequence comparison...
  51. Porsby C, Nielsen K, Gram L. Phaeobacter and Ruegeria species of the Roseobacter clade colonize separate niches in a Danish Turbot (Scophthalmus maximus)-rearing farm and antagonize Vibrio anguillarum under different growth conditions. Appl Environ Microbiol. 2008;74:7356-64 pubmed publisher
    ..displayed antibacterial activity under a broader range of growth conditions than did Phaeobacter strain 27-4, these organisms may hold greater promise as fish probiotic organisms...
  52. Angen Ø, Ahrens P, Kuhnert P, Christensen H, Mutters R. Proposal of Histophilus somni gen. nov., sp. nov. for the three species incertae sedis 'Haemophilus somnus', 'Haemophilus agni' and 'Histophilus ovis'. Int J Syst Evol Microbiol. 2003;53:1449-56 pubmed
    ..4 %. The type strain, 8025(T)=ATCC 43625(T)=CCUG 36157(T), was isolated in the USA from a bovine brain with lesions of thromboembolic meningoencephalitis...
  53. von Freiesleben U, Rasmussen K, Atlung T, Hansen F. Rifampicin-resistant initiation of chromosome replication from oriC in ihf mutants. Mol Microbiol. 2000;37:1087-93 pubmed
    ..This indicates that cells lacking IHF replicate their chromosome(s) very fast. ..
  54. Pedersen K, Gerdes K. Multiple hok genes on the chromosome of Escherichia coli. Mol Microbiol. 1999;32:1090-102 pubmed
    ..The chromosome-encoded mRNAs are poorly translated in vitro, thus yielding an explanation for the lacking phenotype. These observations suggest that the chromosomal hok-like genes may be induced by an as yet unknown signal. ..
  55. Christiansen L, Schou S, Nygaard P, Saxild H. Xanthine metabolism in Bacillus subtilis: characterization of the xpt-pbuX operon and evidence for purine- and nitrogen-controlled expression of genes involved in xanthine salvage and catabolism. J Bacteriol. 1997;179:2540-50 pubmed
    ..This result suggests the existence of different signalling pathways for repression of the transcription of the xpt-pbuX operon and the induction of xanthine dehydrogenase. ..
  56. Vind J, Sørensen M, Rasmussen M, Pedersen S. Synthesis of proteins in Escherichia coli is limited by the concentration of free ribosomes. Expression from reporter genes does not always reflect functional mRNA levels. J Mol Biol. 1993;231:678-88 pubmed
  57. Nørregaard Madsen M, McFall E, Valentin Hansen P. Organization and transcriptional regulation of the Escherichia coli K-12 D-serine tolerance locus. J Bacteriol. 1995;177:6456-61 pubmed
    ..Additionally, the activity of the dsdXA promoter depends on the cyclic AMP receptor protein, and the two activators act in concert to synergistically activate transcription. ..
  58. Andersen P, Smith J, Mygind B. Characterization of the upp gene encoding uracil phosphoribosyltransferase of Escherichia coli K12. Eur J Biochem. 1992;204:51-6 pubmed
    ..A putative 5-phosphoribosyl-alpha-1-diphosphate (PRPP) binding site has been identified which is similar to the PRPP binding site of the yeast uracil phosphoribosyltransferase. ..
  59. Rasmussen T, Danielsen M, Valina O, Garrigues C, Johansen E, Pedersen M. Streptococcus thermophilus core genome: comparative genome hybridization study of 47 strains. Appl Environ Microbiol. 2008;74:4703-10 pubmed publisher
    ..The concept of an industrial core genome is proposed. This is comprised of the genes in the core genome plus genes that are necessary in an applied industrial context...
  60. Kokotovic B, Friis N, Ahrens P. Mycoplasma alkalescens demonstrated in bronchoalveolar lavage of cattle in Denmark. Acta Vet Scand. 2007;49:2 pubmed
    ..This is the first report of isolation of M. alkalescens in Denmark. ..
  61. Rasmussen A, Johansen J, Nielsen J, Overgaard M, Kallipolitis B, Valentin Hansen P. A conserved small RNA promotes silencing of the outer membrane protein YbfM. Mol Microbiol. 2009;72:566-77 pubmed publisher
  62. Valentin Hansen P, Eriksen M, Udesen C. The bacterial Sm-like protein Hfq: a key player in RNA transactions. Mol Microbiol. 2004;51:1525-33 pubmed
    ..Here, we summarize the history of Hfq and highlight results that have led to an important gain in insight into the physiology, biochemistry and evolution of Hfq and its homologues. ..
  63. Christensen H, Bisgaard M, Olsen J. Reclassification of equine isolates previously reported as Actinobacillus equuli, variants of A. equuli, Actinobacillus suis or Bisgaard taxon 11 and proposal of A. equuli subsp. equuli subsp. nov. and A. equuli subsp. haemolyticus subsp. nov. Int J Syst Evol Microbiol. 2002;52:1569-76 pubmed
    ..equuli are proposed, Actinobacillus equuli subsp. equuli subsp. nov. (type strain NCTC 8529T = ATCC 19392T) and Actinobacillus equuli subsp. haemolyticus subsp. nov. (type strain F 154T = CCUG 19799T = NCTC 13195T)...
  64. Nissen P, Thirup S, Kjeldgaard M, Nyborg J. The crystal structure of Cys-tRNACys-EF-Tu-GDPNP reveals general and specific features in the ternary complex and in tRNA. Structure. 1999;7:143-56 pubmed
    ..The structure of the 'kissing complex' shows a quasicontinuous helix with a distinct shape determined by the number of base pairs...
  65. Licht T, Hansen M, Bergström A, Poulsen M, Krath B, Markowski J, et al. Effects of apples and specific apple components on the cecal environment of conventional rats: role of apple pectin. BMC Microbiol. 2010;10:13 pubmed publisher
    ..Similar changes were not caused by consumption of whole apples, apple juice, purée or pomace. ..