Publications

Publications published since 2003 from OUS - Dept. of Microbiology, Genome dynamics and microbial pathogenesis (Tønjum)

70 publications found

Publications 2019

  1. Shi W, Cui P, Niu H, Zhang S, Tønjum T, Zhu B, Zhang Y (2019)
    Introducing RpsA Point Mutations Δ438A and D123A into the Chromosome of Mycobacterium tuberculosis Confirms Their Role in Causing Resistance to Pyrazinamide
    Antimicrob Agents Chemother, 63 (6)
    DOI 10.1128/AAC.02681-18, PubMed 30858213

Publications 2018

  1. Alfsnes K, Frye SA, Eriksson J, Eldholm V, Brynildsrud OB, Bohlin J, Harrison OB, Hood DW, Maiden MCJ, Tønjum T, Ambur OH (2018)
    A genomic view of experimental intraspecies and interspecies transformation of a rifampicin-resistance allele into Neisseria meningitidis
    Microb Genom, 4 (11)
    DOI 10.1099/mgen.0.000222, PubMed 30251949
  2. Desler C, Lillenes MS, Tønjum T, Rasmussen LJ (2018)
    The Role of Mitochondrial Dysfunction in the Progression of Alzheimer's Disease
    Curr Med Chem, 25 (40), 5578-5587
    DOI 10.2174/0929867324666170616110111, PubMed 28618998
  3. Jensen HLB, Lillenes MS, Rabano A, Günther CC, Riaz T, Kalayou ST, Ulstein ID, Bøhmer T, Tønjum T (2018)
    Expression of nucleotide excision repair in Alzheimer's disease is higher in brain tissue than in blood
    Neurosci Lett, 672, 53-58
    DOI 10.1016/j.neulet.2018.02.043, PubMed 29474873

Publications 2017

  1. Beyene GT, Kalayou S, Riaz T, Tonjum T (2017)
    Comparative proteomic analysis of Neisseria meningitidis wildtype and dprA null mutant strains links DNA processing to pilus biogenesis
    BMC Microbiol, 17 (1), 96
    DOI 10.1186/s12866-017-1004-8, PubMed 28431522
  2. Birhanu AG, Yimer SA, Holm-Hansen C, Norheim G, Aseffa A, Abebe M, Tønjum T (2017)
    Nε- and O-Acetylation in Mycobacterium tuberculosis Lineage 7 and Lineage 4 Strains: Proteins Involved in Bioenergetics, Virulence, and Antimicrobial Resistance Are Acetylated
    J Proteome Res, 16 (11), 4045-4059
    DOI 10.1021/acs.jproteome.7b00429, PubMed 28920697
  3. Castañeda-García A, Prieto AI, Rodríguez-Beltrán J, Alonso N, Cantillon D, Costas C, Pérez-Lago L, Zegeye ED, Herranz M, Plociński P, Tonjum T, García de Viedma D, Paget M, Waddell SJ, Rojas AM, Doherty AJ, Blázquez J (2017)
    A non-canonical mismatch repair pathway in prokaryotes
    Nat Commun, 8, 14246
    DOI 10.1038/ncomms14246, PubMed 28128207
  4. Frye SA, Beyene GT, Namouchi A, Gómez-Muñoz M, Homberset H, Kalayou S, Riaz T, Tønjum T, Balasingham SV (2017)
    The helicase DinG responds to stress due to DNA double strand breaks
    PLoS One, 12 (11), e0187900
    DOI 10.1371/journal.pone.0187900, PubMed 29121674
  5. Hovland E, Beyene GT, Frye SA, Homberset H, Balasingham SV, Gómez-Muñoz M, Derrick JP, Tønjum T, Ambur OH (2017)
    DprA from Neisseria meningitidis: properties and role in natural competence for transformation
    Microbiology, 163 (7), 1016-1029
    DOI 10.1099/mic.0.000489, PubMed 28696187
  6. Lillenes MS, Støen M, Günther CC, Selnes P, Stenset VT, Espeseth T, Reinvang I, Fladby T, Tønjum T (2017)
    Mitochondrial transcription factor A (TFAM) rs1937 and AP endonuclease 1 (APE1) rs1130409 alleles are associated with reduced cognitive performance
    Neurosci Lett, 645, 46-52
    DOI 10.1016/j.neulet.2017.02.062, PubMed 28242328
  7. Norheim G, Seterelv S, Arnesen TM, Mengshoel AT, Tønjum T, Rønning JO, Eldholm V (2017)
    Tuberculosis Outbreak in an Educational Institution in Norway
    J Clin Microbiol, 55 (5), 1327-1333
    DOI 10.1128/JCM.01152-16, PubMed 28202795
  8. Yimer SA, Birhanu AG, Kalayou S, Riaz T, Zegeye ED, Beyene GT, Holm-Hansen C, Norheim G, Abebe M, Aseffa A, Tønjum T (2017)
    Comparative Proteomic Analysis of Mycobacterium tuberculosis Lineage 7 and Lineage 4 Strains Reveals Differentially Abundant Proteins Linked to Slow Growth and Virulence
    Front Microbiol, 8, 795
    DOI 10.3389/fmicb.2017.00795, PubMed 28536560

Publications 2016

  1. Beyene GT, Balasingham SV, Frye SA, Namouchi A, Homberset H, Kalayou S, Riaz T, Tønjum T (2016)
    Characterization of the Neisseria meningitidis Helicase RecG
    PLoS One, 11 (10), e0164588
    DOI 10.1371/journal.pone.0164588, PubMed 27736945
  2. Lillenes MS, Rabano A, Støen M, Riaz T, Misaghian D, Møllersen L, Esbensen Y, Günther CC, Selnes P, Stenset VT, Fladby T, Tønjum T (2016)
    Altered DNA base excision repair profile in brain tissue and blood in Alzheimer's disease
    Mol Brain, 9 (1), 61
    DOI 10.1186/s13041-016-0237-z, PubMed 27234294
  3. Namouchi A, Gómez-Muñoz M, Frye SA, Moen LV, Rognes T, Tønjum T, Balasingham SV (2016)
    The Mycobacterium tuberculosis transcriptional landscape under genotoxic stress
    BMC Genomics, 17 (1), 791
    DOI 10.1186/s12864-016-3132-1, PubMed 27724857
  4. Yimer SA, Namouchi A, Zegeye ED, Holm-Hansen C, Norheim G, Abebe M, Aseffa A, Tønjum T (2016)
    Deciphering the recent phylogenetic expansion of the originally deeply rooted Mycobacterium tuberculosis lineage 7
    BMC Evol Biol, 16 (1), 146
    DOI 10.1186/s12862-016-0715-z, PubMed 27363525
  5. Zegeye N, Asrat D, Woldeamanuel Y, Habte A, Gedlu E, Tønjum T, Aseffa A (2016)
    Throat culture positivity rate and antibiotic susceptibility pattern of beta-hemolytic streptococci in children on secondary prophylaxis for rheumatic heart disease
    BMC Infect Dis, 16 (1), 510
    DOI 10.1186/s12879-016-1841-3, PubMed 27663649

Publications 2015

  1. Dahlberg D, Mariussen E, Goverud IL, Tønjum T, Mæhlen J, Antal EA, Hassel B (2015)
    Staphylococcal α-hemolysin is neurotoxic and causes lysis of brain cells in vivo and in vitro
    Neurotoxicology, 48, 61-7
    DOI 10.1016/j.neuro.2015.03.001, PubMed 25757835
  2. Frye SA, Lång E, Beyene GT, Balasingham SV, Homberset H, Rowe AD, Ambur OH, Tønjum T (2015)
    The Inner Membrane Protein PilG Interacts with DNA and the Secretin PilQ in Transformation
    PLoS One, 10 (8), e0134954
    DOI 10.1371/journal.pone.0134954, PubMed 26248334
  3. Ricanek P, Lunde LK, Frye SA, Støen M, Nygård S, Morth JP, Rydning A, Vatn MH, Amiry-Moghaddam M, Tønjum T (2015)
    Reduced expression of aquaporins in human intestinal mucosa in early stage inflammatory bowel disease
    Clin Exp Gastroenterol, 8, 49-67
    DOI 10.2147/CEG.S70119, PubMed 25624769
  4. Yimer SA, Norheim G, Namouchi A, Zegeye ED, Kinander W, Tønjum T, Bekele S, Mannsåker T, Bjune G, Aseffa A, Holm-Hansen C (2015)
    Mycobacterium tuberculosis lineage 7 strains are associated with prolonged patient delay in seeking treatment for pulmonary tuberculosis in Amhara Region, Ethiopia
    J Clin Microbiol, 53 (4), 1301-9
    DOI 10.1128/JCM.03566-14, PubMed 25673798

Publications 2014

  1. Alfsnes K, Raynaud X, Tønjum T, Ambur OH (2014)
    Mathematical and live meningococcal models for simple sequence repeat dynamics - coherent predictions and observations
    PLoS One, 9 (7), e101637
    DOI 10.1371/journal.pone.0101637, PubMed 24999629
  2. Hassel B, Dahlberg D, Mariussen E, Goverud IL, Antal EA, Tønjum T, Maehlen J (2014)
    Brain infection with Staphylococcus aureus leads to high extracellular levels of glutamate, aspartate, γ-aminobutyric acid, and zinc
    J Neurosci Res, 92 (12), 1792-800
    DOI 10.1002/jnr.23444, PubMed 25043715
  3. Mantaka P, Tønjum T, Gjersvik P (2014)
    [A knot on the aquarium owner's hand]
    Tidsskr Nor Laegeforen, 134 (7), 715
    DOI 10.4045/tidsskr.13.1425, PubMed 24721859
  4. Zaburdaev V, Biais N, Schmiedeberg M, Eriksson J, Jonsson AB, Sheetz MP, Weitz DA (2014)
    Uncovering the mechanism of trapping and cell orientation during Neisseria gonorrhoeae twitching motility
    Biophys J, 107 (7), 1523-31
    DOI 10.1016/j.bpj.2014.07.061, PubMed 25296304

Publications 2013

  1. Frye SA, Nilsen M, Tønjum T, Ambur OH (2013)
    Dialects of the DNA uptake sequence in Neisseriaceae
    PLoS Genet, 9 (4), e1003458
    DOI 10.1371/journal.pgen.1003458, PubMed 23637627
  2. Lillenes MS, Støen M, Gómez-Muñoz M, Torp R, Günther CC, Nilsson LN, Tønjum T (2013)
    Transient OGG1, APE1, PARP1 and Polβ expression in an Alzheimer's disease mouse model
    Mech Ageing Dev, 134 (10), 467-77
    DOI 10.1016/j.mad.2013.09.002, PubMed 24121118
  3. Nagelhus EA, Amiry-Moghaddam M, Bergersen LH, Bjaalie JG, Eriksson J, Gundersen V, Leergaard TB, Morth JP, Storm-Mathisen J, Torp R, Walhovd KB, Tønjum T (2013)
    The glia doctrine: addressing the role of glial cells in healthy brain ageing
    Mech Ageing Dev, 134 (10), 449-59
    DOI 10.1016/j.mad.2013.10.001, PubMed 24141107
  4. Rasmussen LJ, Shiloh Y, Bergersen LH, Sander M, Bohr VA, Tønjum T (2013)
    DNA damage response, bioenergetics, and neurological disease: the challenge of maintaining brain health in an aging human population
    Mech Ageing Dev, 134 (10), 427-33
    DOI 10.1016/j.mad.2013.05.001, PubMed 23665461
  5. Warner DF, Tønjum T, Mizrahi V (2013)
    DNA metabolism in mycobacterial pathogenesis
    Curr Top Microbiol Immunol, 374, 27-51
    DOI 10.1007/82_2013_328, PubMed 23633106
  6. Zegeye ED, Balasingham SV, Laerdahl JK, Homberset H, Kristiansen PE, Tønjum T (2013)
    Effects of conserved residues and naturally occurring mutations on Mycobacterium tuberculosis RecG helicase activity
    Microbiology, 160 (Pt 1), 217-227
    DOI 10.1099/mic.0.072140-0, PubMed 24169816

Publications 2012

  1. Ambur OH, Frye SA, Nilsen M, Hovland E, Tønjum T (2012)
    Restriction and sequence alterations affect DNA uptake sequence-dependent transformation in Neisseria meningitidis
    PLoS One, 7 (7), e39742
    DOI 10.1371/journal.pone.0039742, PubMed 22768309
  2. Balasingham SV, Zegeye ED, Homberset H, Rossi ML, Laerdahl JK, Bohr VA, Tønjum T (2012)
    Enzymatic activities and DNA substrate specificity of Mycobacterium tuberculosis DNA helicase XPB
    PLoS One, 7 (5), e36960
    DOI 10.1371/journal.pone.0036960, PubMed 22615856
  3. Ricanek P, Lothe SM, Frye SA, Rydning A, Vatn MH, Tønjum T (2012)
    Gut bacterial profile in patients newly diagnosed with treatment-naïve Crohn's disease
    Clin Exp Gastroenterol, 5, 173-86
    DOI 10.2147/CEG.S33858, PubMed 23049264
  4. Zegeye ED, Balasingham SV, Laerdahl JK, Homberset H, Tønjum T (2012)
    Mycobacterium tuberculosis RecG binds and unwinds model DNA substrates with a preference for Holliday junctions
    Microbiology, 158 (Pt 8), 1982-93
    DOI 10.1099/mic.0.058693-0, PubMed 22628485

Publications 2011

  1. Benam AV, Lång E, Alfsnes K, Fleckenstein B, Rowe AD, Hovland E, Ambur OH, Frye SA, Tønjum T (2011)
    Structure-function relationships of the competence lipoprotein ComL and SSB in meningococcal transformation
    Microbiology, 157 (Pt 5), 1329-42
    DOI 10.1099/mic.0.046896-0, PubMed 21330432
  2. Lillenes MS, Espeseth T, Støen M, Lundervold AJ, Frye SA, Rootwelt H, Reinvang I, Tønjum T (2011)
    DNA base excision repair gene polymorphisms modulate human cognitive performance and decline during normal life span
    Mech Ageing Dev, 132 (8-9), 449-58
    DOI 10.1016/j.mad.2011.08.002, PubMed 21884718
  3. Ricanek P, Rydning A, Vatn MH, Tonjum T (2011)
    Considered "negative" for MAP, these results would be very "positive" for tuberculoid leprosy Reply
    J. Crohns Colitis, 5 (4), 374
  4. Yang M, Aamodt RM, Dalhus B, Balasingham S, Helle I, Andersen P, Tønjum T, Alseth I, Rognes T, Bjørås M (2011)
    The ada operon of Mycobacterium tuberculosis encodes two DNA methyltransferases for inducible repair of DNA alkylation damage
    DNA Repair (Amst), 10 (6), 595-602
    DOI 10.1016/j.dnarep.2011.03.007, PubMed 21570366

Publications 2010

  1. Ricanek P, Lothe SM, Szpinda I, Jorde AT, Brackmann S, Perminow G, Jørgensen KK, Rydning A, Vatn MH, Tønjum T, IBSEN II study group (2010)
    Paucity of mycobacteria in mucosal bowel biopsies from adults and children with early inflammatory bowel disease
    J Crohns Colitis, 4 (5), 561-6
    DOI 10.1016/j.crohns.2010.05.003, PubMed 21122560

Publications 2009

  1. Ambur OH, Davidsen T, Frye SA, Balasingham SV, Lagesen K, Rognes T, Tønjum T (2009)
    Genome dynamics in major bacterial pathogens
    FEMS Microbiol Rev, 33 (3), 453-70
    DOI 10.1111/j.1574-6976.2009.00173.x, PubMed 19396949
  2. Balasingham SV, Davidsen T, Szpinda I, Frye SA, Tønjum T (2009)
    Molecular diagnostics in tuberculosis: basis and implications for therapy
    Mol Diagn Ther, 13 (3), 137-51
    DOI 10.2165/01250444-200913030-00001, PubMed 19650669
  3. Bayliss CD, Casadesus J, Rocha E, Tønjum T (2009)
    Microbial DNA metabolism, genome dynamics and human disease
    FEMS Microbiol Rev, 33 (3), 451-2
    DOI 10.1111/j.1574-6976.2009.00174.x, PubMed 19396948
  4. Dos Vultos T, Mestre O, Tonjum T, Gicquel B (2009)
    DNA repair in Mycobacterium tuberculosis revisited
    FEMS Microbiol Rev, 33 (3), 471-87
    DOI 10.1111/j.1574-6976.2009.00170.x, PubMed 19385996
  5. Lång E, Haugen K, Fleckenstein B, Homberset H, Frye SA, Ambur OH, Tønjum T (2009)
    Identification of neisserial DNA binding components
    Microbiology, 155 (Pt 3), 852-62
    DOI 10.1099/mic.0.022640-0, PubMed 19246756
  6. Olsen I, Balasingham SV, Davidsen T, Debebe E, Rødland EA, van Soolingen D, Kremer K, Alseth I, Tønjum T (2009)
    Characterization of the major formamidopyrimidine-DNA glycosylase homolog in Mycobacterium tuberculosis and its linkage to variable tandem repeats
    FEMS Immunol Med Microbiol, 56 (2), 151-61
    DOI 10.1111/j.1574-695X.2009.00562.x, PubMed 19496823
  7. Tibballs KL, Ambur OH, Alfsnes K, Homberset H, Frye SA, Davidsen T, Tønjum T (2009)
    Characterization of the meningococcal DNA glycosylase Fpg involved in base excision repair
    BMC Microbiol, 9, 7
    DOI 10.1186/1471-2180-9-7, PubMed 19134198

Publications 2008

  1. Dos Vultos T, Mestre O, Rauzier J, Golec M, Rastogi N, Rasolofo V, Tonjum T, Sola C, Matic I, Gicquel B (2008)
    Evolution and diversity of clonal bacteria: the paradigm of Mycobacterium tuberculosis
    PLoS One, 3 (2), e1538
    DOI 10.1371/journal.pone.0001538, PubMed 18253486
  2. Glosli H, Stray-Pedersen A, Brun AC, Holtmon LW, Tønjum T, Chapgier A, Casanova JL, Abrahamsen TG (2008)
    Infections due to various atypical mycobacteria in a Norwegian multiplex family with dominant interferon-gamma receptor deficiency
    Clin Infect Dis, 46 (3), e23-7
    DOI 10.1086/525855, PubMed 18171304
  3. Sinha S, Ambur OH, Langford PR, Tønjum T, Kroll JS (2008)
    Reduced DNA binding and uptake in the absence of DsbA1 and DsbA2 of Neisseria meningitidis due to inefficient folding of the outer-membrane secretin PilQ
    Microbiology, 154 (Pt 1), 217-25
    DOI 10.1099/mic.0.2007/010496-0, PubMed 18174140
  4. Treangen TJ, Ambur OH, Tonjum T, Rocha EP (2008)
    The impact of the neisserial DNA uptake sequences on genome evolution and stability
    Genome Biol, 9 (3), R60
    DOI 10.1186/gb-2008-9-3-r60, PubMed 18366792

Publications 2007

  1. Assalkhou R, Balasingham S, Collins RF, Frye SA, Davidsen T, Benam AV, Bjørås M, Derrick JP, Tønjum T (2007)
    The outer membrane secretin PilQ from Neisseria meningitidis binds DNA
    Microbiology, 153 (Pt 5), 1593-603
    DOI 10.1099/mic.0.2006/004200-0, PubMed 17464074
  2. Balasingham SV, Collins RF, Assalkhou R, Homberset H, Frye SA, Derrick JP, Tønjum T (2007)
    Interactions between the lipoprotein PilP and the secretin PilQ in Neisseria meningitidis
    J Bacteriol, 189 (15), 5716-27
    DOI 10.1128/JB.00060-07, PubMed 17526700
  3. Bohr VA, Ottersen OP, Tønjum T (2007)
    Genome instability and DNA repair in brain, ageing and neurological disease
    Neuroscience, 145 (4), 1183-6
    DOI 10.1016/j.neuroscience.2007.03.015, PubMed 17400394
  4. Davidsen T, Amundsen EK, Rødland EA, Tønjum T (2007)
    DNA repair profiles of disease-associated isolates of Neisseria meningitidis
    FEMS Immunol Med Microbiol, 49 (2), 243-51
    DOI 10.1111/j.1574-695X.2006.00195.x, PubMed 17284282
  5. Davidsen T, Koomey M, Tønjum T (2007)
    Microbial genome dynamics in CNS pathogenesis
    Neuroscience, 145 (4), 1375-87
    DOI 10.1016/j.neuroscience.2007.01.059, PubMed 17367950
  6. Davidsen T, Tuven HK, Bjørås M, Rødland EA, Tønjum T (2007)
    Genetic interactions of DNA repair pathways in the pathogen Neisseria meningitidis
    J Bacteriol, 189 (15), 5728-37
    DOI 10.1128/JB.00161-07, PubMed 17513474

Publications 2006

  1. Ambur OH, Frye SA, Tønjum T (2006)
    New functional identity for the DNA uptake sequence in transformation and its presence in transcriptional terminators
    J Bacteriol, 189 (5), 2077-85
    DOI 10.1128/JB.01408-06, PubMed 17194793
  2. Davidsen T, Tønjum T (2006)
    Meningococcal genome dynamics
    Nat Rev Microbiol, 4 (1), 11-22
    DOI 10.1038/nrmicro1324, PubMed 16357857
  3. Frye SA, Assalkhou R, Collins RF, Ford RC, Petersson C, Derrick JP, Tønjum T (2006)
    Topology of the outer-membrane secretin PilQ from Neisseria meningitidis
    Microbiology, 152 (Pt 12), 3751-64
    DOI 10.1099/mic.0.2006/000315-0, PubMed 17159226
  4. Golovanov AP, Balasingham S, Tzitzilonis C, Goult BT, Lian LY, Homberset H, Tønjum T, Derrick JP (2006)
    Assignment of 1H, 13C, and 15N resonances for the PilP pilot protein from Neisseria meningitidis
    J Biomol NMR, 36 Suppl 1, 68
    DOI 10.1007/s10858-006-9054-5, PubMed 16933020
  5. Golovanov AP, Balasingham S, Tzitzilonis C, Goult BT, Lian LY, Homberset H, Tønjum T, Derrick JP (2006)
    The solution structure of a domain from the Neisseria meningitidis lipoprotein PilP reveals a new beta-sandwich fold
    J Mol Biol, 364 (2), 186-95
    DOI 10.1016/j.jmb.2006.08.078, PubMed 17007878
  6. Vicente M, Hodgson J, Massidda O, Tonjum T, Henriques-Normark B, Ron EZ (2006)
    The fallacies of hope: will we discover new antibiotics to combat pathogenic bacteria in time?
    FEMS Microbiol Rev, 30 (6), 841-52
    DOI 10.1111/j.1574-6976.2006.00038.x, PubMed 17064283
  7. Aas FE, Winther-Larsen HC, Wolfgang M, Frye S, Løvold C, Roos N, van Putten JP, Koomey M (2006)
    Substitutions in the N-terminal alpha helical spine of Neisseria gonorrhoeae pilin affect Type IV pilus assembly, dynamics and associated functions
    Mol Microbiol, 63 (1), 69-85
    DOI 10.1111/j.1365-2958.2006.05482.x, PubMed 17140412

Publications 2005

  1. Collins RF, Frye SA, Balasingham S, Ford RC, Tønjum T, Derrick JP (2005)
    Interaction with type IV pili induces structural changes in the bacterial outer membrane secretin PilQ
    J Biol Chem, 280 (19), 18923-30
    DOI 10.1074/jbc.M411603200, PubMed 15753075
  2. Davidsen T, Bjørås M, Seeberg EC, Tønjum T (2005)
    Antimutator role of DNA glycosylase MutY in pathogenic Neisseria species
    J Bacteriol, 187 (8), 2801-9
    DOI 10.1128/JB.187.8.2801-2809.2005, PubMed 15805527

Publications 2004

  1. Collins RF, Frye SA, Kitmitto A, Ford RC, Tønjum T, Derrick JP (2004)
    Structure of the Neisseria meningitidis outer membrane PilQ secretin complex at 12 A resolution
    J Biol Chem, 279 (38), 39750-6
    DOI 10.1074/jbc.M405971200, PubMed 15254043
  2. Davidsen T, Rødland EA, Lagesen K, Seeberg E, Rognes T, Tønjum T (2004)
    Biased distribution of DNA uptake sequences towards genome maintenance genes
    Nucleic Acids Res, 32 (3), 1050-8
    DOI 10.1093/nar/gkh255, PubMed 14960717
  3. Tønjum T, Håvarstein LS, Koomey M, Seeberg E (2004)
    Transformation and DNA repair: linkage by DNA recombination
    Trends Microbiol, 12 (1), 1-4
    DOI 10.1016/j.tim.2003.11.008, PubMed 14700543

Publications 2003

  1. Collins RF, Ford RC, Kitmitto A, Olsen RO, Tønjum T, Derrick JP (2003)
    Three-dimensional structure of the Neisseria meningitidis secretin PilQ determined from negative-stain transmission electron microscopy
    J Bacteriol, 185 (8), 2611-7
    DOI 10.1128/jb.185.8.2611-2617.2003, PubMed 12670986
 
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