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Douglas Berg

TitleAdjunct Professor
InstitutionUniversity of California San Diego
DepartmentMedicine
Address9500 Gilman Drive #0711
La Jolla CA 92093
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    NOVEL TRANSPOSONS AND PLASTICITY ZONES OF HELICOBACTER PYLORI
    NIH/NIAID R21AI088337Mar 5, 2010 - Feb 28, 2013
    Role: Principal Investigator
    HELICOBACTER PYLORI GENOME SEQUENCE EVOLUTION
    NIH/NIAID R21AI078237Sep 26, 2009 - Aug 31, 2011
    Role: Principal Investigator
    GENETICS OF POLYPHOSPHATE METABOLISM IN H. PYLORI
    NIH/NIAID R03AI057826Dec 15, 2003 - Nov 30, 2005
    Role: Principal Investigator
    H.PYLORI POPULATION GENETICS AND GENOME EVOLUTION
    NIH/NIDDK R01DK063041Jun 1, 2003 - May 31, 2009
    Role: Principal Investigator
    Molecular Genetics of H. Pylori In India
    NIH/NIAID R03AI049161Sep 1, 2000 - Jan 31, 2003
    Role: Principal Investigator
    H. PYLORI INFECTION AND GI DISEASE IN ALASKA NATIVES
    NIH/NIDDK R01DK053727Sep 30, 1999 - Sep 29, 2004
    Role: Principal Investigator
    H PYLORI INFECTION AND DRUG RESISTANCE IN PERU
    NIH/FIC R03TW000611May 1, 1996 - Apr 30, 1999
    Role: Principal Investigator
    TRANSPOSON-BASED MAPPING AND SEQUENCING OF UREAPLASMA
    NIH/NHGRI R01HG000820Sep 1, 1995 - Aug 31, 1999
    Role: Principal Investigator
    DRUG RESISTANCE AND GENE TRANSFER IN H PYLORI
    NIH/NIAID R01AI038166Jan 1, 1995 - Jul 31, 2004
    Role: Principal Investigator
    VIRULENCE ASSOCIATED HELICOBACTER PYLORI GENES
    NIH/NIDDK R01DK048029Apr 14, 1994 - Mar 31, 1999
    Role: Principal Investigator
    GENOME ANALYSIS WITH STRONG BINDING OLIGONUCLEOTIDES
    NIH/FIC R03TW000039Feb 20, 1992 - Feb 19, 1996
    Role: Principal Investigator
    ANALYSIS OF THE ESSENTIAL GENES OF E COLI
    NIH/NHGRI R01HG000563Apr 1, 1991 - Mar 31, 1994
    Role: Principal Investigator
    TRANSPOSABLE ELEMENTS IN BACTERIA
    NIH/NIGMS R01GM037138Dec 1, 1985 - Nov 30, 1991
    Role: Principal Investigator
    TRANSPOSABLE ELEMENTS IN BACTERIA
    NIH/NIAID R01AI014267Aug 1, 1977 - Mar 31, 1986
    Role: Principal Investigator

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    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Pirini F, Noazin S, Jahuira-Arias MH, Rodriguez-Torres S, Friess L, Michailidi C, Cok J, Combe J, Vargas G, Prado W, Soudry E, Pérez J, Yudin T, Mancinelli A, Unger H, Ili-Gangas C, Brebi-Mieville P, Berg DE, Hayashi M, Sidransky D, Gilman RH, Guerrero-Preston R. Early detection of gastric cancer using global, genome-wide and IRF4, ELMO1, CLIP4 and MSC DNA methylation in endoscopic biopsies. Oncotarget. 2017 Jun 13; 8(24):38501-38516. PMID: 28418867.
      View in: PubMed
    2. Bugaytsova JA, Björnham O, Chernov YA, Gideonsson P, Henriksson S, Mendez M, Sjöström R, Mahdavi J, Shevtsova A, Ilver D, Moonens K, Quintana-Hayashi MP, Moskalenko R, Aisenbrey C, Bylund G, Schmidt A, Åberg A, Brännström K, Königer V, Vikström S, Rakhimova L, Hofer A, Ögren J, Liu H, Goldman MD, Whitmire JM, Ådén J, Younson J, Kelly CG, Gilman RH, Chowdhury A, Mukhopadhyay AK, Nair GB, Papadakos KS, Martinez-Gonzalez B, Sgouras DN, Engstrand L, Unemo M, Danielsson D, Suerbaum S, Oscarson S, Morozova-Roche LA, Olofsson A, Gröbner G, Holgersson J, Esberg A, Strömberg N, Landström M, Eldridge AM, Chromy BA, Hansen LM, Solnick JV, Lindén SK, Haas R, Dubois A, Merrell DS, Schedin S, Remaut H, Arnqvist A, Berg DE, Borén T. Helicobacter pylori Adapts to Chronic Infection and Gastric Disease via pH-Responsive BabA-Mediated Adherence. Cell Host Microbe. 2017 Mar 08; 21(3):376-389. PMID: 28279347.
      View in: PubMed
    3. Zuccherato LW, Schneider S, Tarazona-Santos E, Hardwick RJ, Berg DE, Bogle H, Gouveia MH, Machado LR, Machado M, Rodrigues-Soares F, Soares-Souza GB, Togni DL, Zamudio R, Gilman RH, Duarte D, Hollox EJ, Rodrigues MR. Population genetics of immune-related multilocus copy number variation in Native Americans. J R Soc Interface. 2017 Mar; 14(128). PMID: 28356540.
      View in: PubMed
    4. Berg DE. Julian Davies and the discovery of kanamycin resistance transposon Tn5. J Antibiot (Tokyo). 2017 Apr; 70(4):339-346. PMID: 27731334.
      View in: PubMed
    5. Pehrsson EC, Tsukayama P, Patel S, Mejía-Bautista M, Sosa-Soto G, Navarrete KM, Calderon M, Cabrera L, Hoyos-Arango W, Bertoli MT, Berg DE, Gilman RH, Dantas G. Interconnected microbiomes and resistomes in low-income human habitats. Nature. 2016 05 12; 533(7602):212-6. PMID: 27172044.
      View in: PubMed
    6. Citi S, Berg DE. Grete Kellenberger-Gujer: Molecular biology research pioneer. Bacteriophage. 2016 Apr-Jun; 6(2):e1148805. PMID: 27607140; PMCID: PMC4951002.
    7. Fouts DE, Matthias MA, Adhikarla H, Adler B, Amorim-Santos L, Berg DE, Bulach D, Buschiazzo A, Chang YF, Galloway RL, Haake DA, Haft DH, Hartskeerl R, Ko AI, Levett PN, Matsunaga J, Mechaly AE, Monk JM, Nascimento AL, Nelson KE, Palsson B, Peacock SJ, Picardeau M, Ricaldi JN, Thaipandungpanit J, Wunder EA, Yang XF, Zhang JJ, Vinetz JM. What Makes a Bacterial Species Pathogenic?:Comparative Genomic Analysis of the Genus Leptospira. PLoS Negl Trop Dis. 2016 Feb; 10(2):e0004403. PMID: 26890609; PMCID: PMC4758666.
    8. Moonens K, Gideonsson P, Subedi S, Bugaytsova J, Romaõ E, Mendez M, Nordén J, Fallah M, Rakhimova L, Shevtsova A, Lahmann M, Castaldo G, Brännström K, Coppens F, Lo AW, Ny T, Solnick JV, Vandenbussche G, Oscarson S, Hammarström L, Arnqvist A, Berg DE, Muyldermans S, Borén T, Remaut H. Structural Insights into Polymorphic ABO Glycan Binding by Helicobacter pylori. Cell Host Microbe. 2016 Jan 13; 19(1):55-66. PMID: 26764597; PMCID: PMC4793151 [Available on 01/13/17].
    9. Zamudio R, Pereira L, Rocha CD, Berg DE, Muniz-Queiroz T, Sant Anna HP, Cabrera L, Combe JM, Herrera P, Jahuira MH, Leão FB, Lyon F, Prado WA, Rodrigues MR, Rodrigues-Soares F, Santolalla ML, Zolini C, Silva AM, Gilman RH, Tarazona-Santos E, Kehdy FS. Population, Epidemiological, and Functional Genetics of Gastric Cancer Candidate Genes in Peruvians with Predominant Amerindian Ancestry. Dig Dis Sci. 2016 Jan; 61(1):107-16. PMID: 26391267.
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    10. Kehdy FS, Gouveia MH, Machado M, Magalhães WC, Horimoto AR, Horta BL, Moreira RG, Leal TP, Scliar MO, Soares-Souza GB, Rodrigues-Soares F, Araújo GS, Zamudio R, Sant Anna HP, Santos HC, Duarte NE, Fiaccone RL, Figueiredo CA, Silva TM, Costa GN, Beleza S, Berg DE, Cabrera L, Debortoli G, Duarte D, Ghirotto S, Gilman RH, Gonçalves VF, Marrero AR, Muniz YC, Weissensteiner H, Yeager M, Rodrigues LC, Barreto ML, Lima-Costa MF, Pereira AC, Rodrigues MR, Tarazona-Santos E. Origin and dynamics of admixture in Brazilians and its effect on the pattern of deleterious mutations. Proc Natl Acad Sci U S A. 2015 Jul 14; 112(28):8696-701. PMID: 26124090.
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    11. Kersulyte D, Bertoli MT, Tamma S, Keelan M, Munday R, Geary J, Veldhuyzen van Zanten S, Goodman KJ, Berg DE. Complete Genome Sequences of Two Helicobacter pylori Strains from a Canadian Arctic Aboriginal Community. Genome Announc. 2015 Apr 16; 3(2). PMID: 25883278; PMCID: PMC4400421.
    12. Secka O, Moodley Y, Antonio M, Berg DE, Tapgun M, Walton R, Worwui A, Thomas V, Corrah T, Thomas JE, Adegbola RA. Population genetic analyses of Helicobacter pylori isolates from Gambian adults and children. PLoS One. 2014; 9(10):e109466. PMID: 25310300.
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    13. Scliar MO, Gouveia MH, Benazzo A, Ghirotto S, Fagundes NJ, Leal TP, Magalhães WC, Pereira L, Rodrigues MR, Soares-Souza GB, Cabrera L, Berg DE, Gilman RH, Bertorelle G, Tarazona-Santos E. Bayesian inferences suggest that Amazon Yunga Natives diverged from Andeans less than 5000 ybp: implications for South American prehistory. BMC Evol Biol. 2014 Sep 30; 14:174. PMID: 25266366; PMCID: PMC4189748.
    14. Lind J, Backert S, Pfleiderer K, Berg DE, Yamaoka Y, Sticht H, Tegtmeyer N. Systematic analysis of phosphotyrosine antibodies recognizing single phosphorylated EPIYA-motifs in CagA of Western-type Helicobacter pylori strains. PLoS One. 2014; 9(5):e96488. PMID: 24800748; PMCID: PMC4011759.
    15. Kersulyte D, Rossi M, Berg DE. Sequence divergence and conservation in genomes of Helicobacter cetorum strains from a dolphin and a whale. PLoS One. 2013; 8(12):e83177. PMID: 24358262; PMCID: PMC3866246.
    16. Miyamoto Y, Kalisiak J, Korthals K, Lauwaet T, Cheung DY, Lozano R, Cobo ER, Upcroft P, Upcroft JA, Berg DE, Gillin FD, Fokin VV, Sharpless KB, Eckmann L. Expanded therapeutic potential in activity space of next-generation 5-nitroimidazole antimicrobials with broad structural diversity. Proc Natl Acad Sci U S A. 2013 Oct 22; 110(43):17564-9. PMID: 24101497; PMCID: PMC3808650.
    17. Duncan SS, Bertoli MT, Kersulyte D, Valk PL, Tamma S, Segal I, McClain MS, Cover TL, Berg DE. Genome Sequences of Three hpAfrica2 Strains of Helicobacter pylori. Genome Announc. 2013 Sep 26; 1(5). PMID: 24072860; PMCID: PMC3784780.
    18. Tegtmeyer N, Rivas Traverso F, Rohde M, Oyarzabal OA, Lehn N, Schneider-Brachert W, Ferrero RL, Fox JG, Berg DE, Backert S. Electron microscopic, genetic and protein expression analyses of Helicobacter acinonychis strains from a Bengal tiger. PLoS One. 2013; 8(8):e71220. PMID: 23940723; PMCID: PMC3733902.
    19. Putty K, Marcus SA, Mittl PR, Bogadi LE, Hunter AM, Arur S, Berg DE, Sethu P, Kalia A. Robustness of Helicobacter pylori infection conferred by context-variable redundancy among cysteine-rich paralogs. PLoS One. 2013; 8(3):e59560. PMID: 23555707; PMCID: PMC3608669.
    20. Secka O, Berg DE, Antonio M, Corrah T, Tapgun M, Walton R, Thomas V, Galano JJ, Sancho J, Adegbola RA, Thomas JE. Antimicrobial susceptibility and resistance patterns among Helicobacter pylori strains from The Gambia, West Africa. Antimicrob Agents Chemother. 2013 Mar; 57(3):1231-7. PMID: 23263004; PMCID: PMC3591906.
    21. Kupcinskas L, Rasmussen L, Jonaitis L, Kiudelis G, Jørgensen M, Urbonaviciene N, Tamosiunas V, Kupcinskas J, Miciuleviciene J, Kadusevicius E, Berg D, Andersen LP. Evolution of Helicobacter pylori susceptibility to antibiotics during a 10-year period in Lithuania. APMIS. 2013 May; 121(5):431-6. PMID: 23078193.
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    22. Pereira L, Zamudio R, Soares-Souza G, Herrera P, Cabrera L, Hooper CC, Cok J, Combe JM, Vargas G, Prado WA, Schneider S, Kehdy F, Rodrigues MR, Chanock SJ, Berg DE, Gilman RH, Tarazona-Santos E. Socioeconomic and nutritional factors account for the association of gastric cancer with Amerindian ancestry in a Latin American admixed population. PLoS One. 2012; 7(8):e41200. PMID: 22870209; PMCID: PMC3411699.
    23. Chattopadhyay S, Patra R, Chatterjee R, De R, Alam J, Ramamurthy T, Chowdhury A, Nair GB, Berg DE, Mukhopadhyay AK. Distinct repeat motifs at the C-terminal region of CagA of Helicobacter pylori strains isolated from diseased patients and asymptomatic individuals in West Bengal, India. Gut Pathog. 2012 May 25; 4(1):4. PMID: 22631862; PMCID: PMC3405419.
    24. Debowski AW, Carnoy C, Verbrugghe P, Nilsson HO, Gauntlett JC, Fulurija A, Camilleri T, Berg DE, Marshall BJ, Benghezal M. Xer recombinase and genome integrity in Helicobacter pylori, a pathogen without topoisomerase IV. PLoS One. 2012; 7(4):e33310. PMID: 22511919; PMCID: PMC3325230.
    25. Secka O, Antonio M, Berg DE, Tapgun M, Bottomley C, Thomas V, Walton R, Corrah T, Thomas JE, Adegbola RA. Mixed infection with cagA positive and cagA negative strains of Helicobacter pylori lowers disease burden in The Gambia. PLoS One. 2011; 6(11):e27954. PMID: 22140492; PMCID: PMC3226634.
    26. Camorlinga-Ponce M, Perez-Perez G, Gonzalez-Valencia G, Mendoza I, Peñaloza-Espinosa R, Ramos I, Kersulyte D, Reyes-Leon A, Romo C, Granados J, Muñoz L, Berg DE, Torres J. Helicobacter pylori genotyping from American indigenous groups shows novel Amerindian vacA and cagA alleles and Asian, African and European admixture. PLoS One. 2011; 6(11):e27212. PMID: 22073291; PMCID: PMC3207844.
    27. Suzuki M, Kiga K, Kersulyte D, Cok J, Hooper CC, Mimuro H, Sanada T, Suzuki S, Oyama M, Kozuka-Hata H, Kamiya S, Zou QM, Gilman RH, Berg DE, Sasakawa C. Attenuated CagA oncoprotein in Helicobacter pylori from Amerindians in Peruvian Amazon. J Biol Chem. 2011 Aug 26; 286(34):29964-72. PMID: 21757722; PMCID: PMC3191037.
    28. Hardwick RJ, Machado LR, Zuccherato LW, Antolinos S, Xue Y, Shawa N, Gilman RH, Cabrera L, Berg DE, Tyler-Smith C, Kelly P, Tarazona-Santos E, Hollox EJ. A worldwide analysis of beta-defensin copy number variation suggests recent selection of a high-expressing DEFB103 gene copy in East Asia. Hum Mutat. 2011 Jul; 32(7):743-50. PMID: 21387465.
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    29. Secka O, Antonio M, Tapgun M, Berg DE, Bottomley C, Thomas V, Walton R, Corrah T, Adegbola RA, Thomas JE. PCR-based genotyping of Helicobacter pylori of Gambian children and adults directly from biopsy specimens and bacterial cultures. Gut Pathog. 2011 Apr 20; 3(1):5. PMID: 21507253; PMCID: PMC3107793.
    30. Choi SS, Chivers PT, Berg DE. Point mutations in Helicobacter pylori's fur regulatory gene that alter resistance to metronidazole, a prodrug activated by chemical reduction. PLoS One. 2011 Mar 25; 6(3):e18236. PMID: 21464913; PMCID: PMC3064673.
    31. Patra R, Chattopadhyay S, De R, Datta S, Chowdhury A, Ramamurthy T, Nair GB, Berg DE, Mukhopadhyay AK. Intact cag pathogenicity island of Helicobacter pylori without disease association in Kolkata, India. Int J Med Microbiol. 2011 Apr; 301(4):293-302. PMID: 21195664; PMCID: PMC3062673.
    32. Schoep TD, Fulurija A, Good F, Lu W, Himbeck RP, Schwan C, Choi SS, Berg DE, Mittl PR, Benghezal M, Marshall BJ. Surface properties of Helicobacter pylori urease complex are essential for persistence. PLoS One. 2010 Nov 29; 5(11):e15042. PMID: 21124783; PMCID: PMC2993952.
    33. Kersulyte D, Kalia A, Gilman RH, Mendez M, Herrera P, Cabrera L, Velapatiño B, Balqui J, Paredes Puente de la Vega F, Rodriguez Ulloa CA, Cok J, Hooper CC, Dailide G, Tamma S, Berg DE. Helicobacter pylori from Peruvian amerindians: traces of human migrations in strains from remote Amazon, and genome sequence of an Amerind strain. PLoS One. 2010 Nov 29; 5(11):e15076. PMID: 21124785; PMCID: PMC2993954.
    34. Styer CM, Hansen LM, Cooke CL, Gundersen AM, Choi SS, Berg DE, Benghezal M, Marshall BJ, Peek RM, Borén T, Solnick JV. Expression of the BabA adhesin during experimental infection with Helicobacter pylori. Infect Immun. 2010 Apr; 78(4):1593-600. PMID: 20123715; PMCID: PMC2849406.
    35. Gehmert S, Velapatiño B, Herrera P, Balqui J, Santivañez L, Cok J, Vargas G, Combe J, Passaro DJ, Wen S, Meyer F, Berg DE, Gilman RH. Interleukin-1 beta single-nucleotide polymorphism's C allele is associated with elevated risk of gastric cancer in Helicobacter pylori-infected Peruvians. Am J Trop Med Hyg. 2009 Nov; 81(5):804-10. PMID: 19861615; PMCID: PMC2833398.
    36. Kersulyte D, Lee W, Subramaniam D, Anant S, Herrera P, Cabrera L, Balqui J, Barabas O, Kalia A, Gilman RH, Berg DE. Helicobacter Pylori's plasticity zones are novel transposable elements. PLoS One. 2009 Sep 03; 4(9):e6859. PMID: 19727398; PMCID: PMC2731543.
    37. Dumrese C, Slomianka L, Ziegler U, Choi SS, Kalia A, Fulurija A, Lu W, Berg DE, Benghezal M, Marshall B, Mittl PR. The secreted Helicobacter cysteine-rich protein A causes adherence of human monocytes and differentiation into a macrophage-like phenotype. FEBS Lett. 2009 May 19; 583(10):1637-43. PMID: 19393649; PMCID: PMC2764743.
    38. Suzuki M, Mimuro H, Kiga K, Fukumatsu M, Ishijima N, Morikawa H, Nagai S, Koyasu S, Gilman RH, Kersulyte D, Berg DE, Sasakawa C. Helicobacter pylori CagA phosphorylation-independent function in epithelial proliferation and inflammation. Cell Host Microbe. 2009 Jan 22; 5(1):23-34. PMID: 19154985.
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    39. Herrera PM, Mendez M, Velapatiño B, Velapatiõ B, Santivañez L, Santivaez L, Balqui J, Finger SA, Sherman J, Zimic M, Cabrera L, Watanabe J, Rodríguez C, Gilman RH, Berg DE. DNA-level diversity and relatedness of Helicobacter pylori strains in shantytown families in Peru and transmission in a developing-country setting. J Clin Microbiol. 2008 Dec; 46(12):3912-8. PMID: 18842944; PMCID: PMC2593267.
    40. Khan R, Nahar S, Mukhopadhyay AK, Berg DE, Ahmad MM, Okamoto K, Nair GB, Rahman M. Isolation of tetracycline-resistant clinical Helicobacter pylori without mutations in 16S rRNA gene in Bangladesh. Microbiol Immunol. 2008 Oct; 52(10):508-11. PMID: 18822085.
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    41. Roberts AP, Chandler M, Courvalin P, Guédon G, Mullany P, Pembroke T, Rood JI, Smith CJ, Summers AO, Tsuda M, Berg DE. Revised nomenclature for transposable genetic elements. Plasmid. 2008 Nov; 60(3):167-73. PMID: 18778731; PMCID: PMC3836210.
    42. Mimuro H, Berg DE, Sasakawa C. Control of epithelial cell structure and developmental fate: lessons from Helicobacter pylori. Bioessays. 2008 Jun; 30(6):515-20. PMID: 18478526.
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    43. Subramaniam D, Ramalingam S, May R, Dieckgraefe BK, Berg DE, Pothoulakis C, Houchen CW, Wang TC, Anant S. Gastrin-mediated interleukin-8 and cyclooxygenase-2 gene expression: differential transcriptional and posttranscriptional mechanisms. Gastroenterology. 2008 Apr; 134(4):1070-82. PMID: 18395088.
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    44. Baumgart M, Dogan B, Rishniw M, Weitzman G, Bosworth B, Yantiss R, Orsi RH, Wiedmann M, McDonough P, Kim SG, Berg D, Schukken Y, Scherl E, Simpson KW. Culture independent analysis of ileal mucosa reveals a selective increase in invasive Escherichia coli of novel phylogeny relative to depletion of Clostridiales in Crohn's disease involving the ileum. ISME J. 2007 Sep; 1(5):403-18. PMID: 18043660.
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    45. Ogura M, Perez JC, Mittl PR, Lee HK, Dailide G, Tan S, Ito Y, Secka O, Dailidiene D, Putty K, Berg DE, Kalia A. Helicobacter pylori evolution: lineage- specific adaptations in homologs of eukaryotic Sel1-like genes. PLoS Comput Biol. 2007 Aug; 3(8):e151. PMID: 17696605; PMCID: PMC1941758.
    46. Dailidiene D, Tan S, Ogura K, Zhang M, Lee AH, Severinov K, Berg DE. Urea sensitization caused by separation of Helicobacter pylori RNA polymerase beta and beta' subunits. Helicobacter. 2007 Apr; 12(2):103-11. PMID: 17309746.
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    47. Bruce MG, Bruden DL, McMahon BJ, Hennessy TW, Reasonover A, Morris J, Hurlburt DA, Peters H, Sacco F, Martinez P, Swenson M, Berg DE, Parks D, Parkinson AJ. Alaska sentinel surveillance for antimicrobial resistance in Helicobacter pylori isolates from Alaska native persons, 1999-2003. Helicobacter. 2006 Dec; 11(6):581-8. PMID: 17083381.
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    48. Kundu P, Mukhopadhyay AK, Patra R, Banerjee A, Berg DE, Swarnakar S. Cag pathogenicity island-independent up-regulation of matrix metalloproteinases-9 and -2 secretion and expression in mice by Helicobacter pylori infection. J Biol Chem. 2006 Nov 10; 281(45):34651-62. PMID: 16966323.
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    49. Dailidiene D, Dailide G, Kersulyte D, Berg DE. Contraselectable streptomycin susceptibility determinant for genetic manipulation and analysis of Helicobacter pylori. Appl Environ Microbiol. 2006 Sep; 72(9):5908-14. PMID: 16957210; PMCID: PMC1563642.
    50. Lee WK, Ogura K, Loh JT, Cover TL, Berg DE. Quantitative effect of luxS gene inactivation on the fitness of Helicobacter pylori. Appl Environ Microbiol. 2006 Oct; 72(10):6615-22. PMID: 16936059; PMCID: PMC1610275.
    51. Simpson KW, Dogan B, Rishniw M, Goldstein RE, Klaessig S, McDonough PL, German AJ, Yates RM, Russell DG, Johnson SE, Berg DE, Harel J, Bruant G, McDonough SP, Schukken YH. Adherent and invasive Escherichia coli is associated with granulomatous colitis in boxer dogs. Infect Immun. 2006 Aug; 74(8):4778-92. PMID: 16861666; PMCID: PMC1539603.
    52. Finger SA, Velapatiño B, Kosek M, Santivañez L, Dailidiene D, Quino W, Balqui J, Herrera P, Berg DE, Gilman RH. Effectiveness of enterobacterial repetitive intergenic consensus PCR and random amplified polymorphic DNA fingerprinting for Helicobacter pylori strain differentiation. Appl Environ Microbiol. 2006 Jul; 72(7):4713-6. PMID: 16820463; PMCID: PMC1489368.
    53. Wirth HP, Yang M, Sanabria-Valentín E, Berg DE, Dubois A, Blaser MJ. Host Lewis phenotype-dependent Helicobacter pylori Lewis antigen expression in rhesus monkeys. FASEB J. 2006 Jul; 20(9):1534-6. PMID: 16720729; PMCID: PMC2579782.
    54. Velapatiño B, Balqui J, Gilman RH, Bussalleu A, Quino W, Finger SA, Santivañez L, Herrera P, Piscoya A, Valdivia J, Cok J, Berg DE. Validation of string test for diagnosis of Helicobacter pylori infections. J Clin Microbiol. 2006 Mar; 44(3):976-80. PMID: 16517886; PMCID: PMC1393125.
    55. Li GQ, Xia HH, Chen MH, Gu Q, Wang JD, Peng JZ, Chan AO, Cho CH, So HL, Lam SK, Hu PJ, Liang YJ, Lin HL, Berg DE, Feng ZH, Langenbach R, Wong BC. Effects of cyclooxygenase-1 and -2 gene disruption on Helicobacter pylori-induced gastric inflammation. J Infect Dis. 2006 Apr 01; 193(7):1037-46. PMID: 16518767.
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    56. Aspholm M, Kalia A, Ruhl S, Schedin S, Arnqvist A, Lindén S, Sjöström R, Gerhard M, Semino-Mora C, Dubois A, Unemo M, Danielsson D, Teneberg S, Lee WK, Berg DE, Borén T. Helicobacter pylori adhesion to carbohydrates. Methods Enzymol. 2006; 417:293-339. PMID: 17132512; PMCID: PMC2576508.
    57. Albert TJ, Dailidiene D, Dailide G, Norton JE, Kalia A, Richmond TA, Molla M, Singh J, Green RD, Berg DE. Mutation discovery in bacterial genomes: metronidazole resistance in Helicobacter pylori. Nat Methods. 2005 Dec; 2(12):951-3. PMID: 16299480.
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    58. Tan S, Fraley CD, Zhang M, Dailidiene D, Kornberg A, Berg DE. Diverse phenotypes resulting from polyphosphate kinase gene (ppk1) inactivation in different strains of Helicobacter pylori. J Bacteriol. 2005 Nov; 187(22):7687-95. PMID: 16267293; PMCID: PMC1280296.
    59. Datta S, Chattopadhyay S, Chowdhury A, Santra A, Saha DR, Ramamurthy T, Bhattacharya SK, Berg DE, Nair GB, Mukhopadhyay AK. Diagnosis and genotyping of Helicobacter pylori by polymerase chain reaction of bacterial DNA from gastric juice. J Gastroenterol Hepatol. 2005 Aug; 20(8):1253-9. PMID: 16048575.
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    60. Morris JM, Reasonover AL, Bruce MG, Bruden DL, McMahon BJ, Sacco FD, Berg DE, Parkinson AJ. Evaluation of seaFAST, a rapid fluorescent in situ hybridization test, for detection of Helicobacter pylori and resistance to clarithromycin in paraffin-embedded biopsy sections. J Clin Microbiol. 2005 Jul; 43(7):3494-6. PMID: 16000488; PMCID: PMC1169084.
    61. Xia HH, Lam SK, Chan AO, Lin MC, Kung HF, Ogura K, Berg DE, Wong BC. Macrophage migration inhibitory factor stimulated by Helicobacter pylori increases proliferation of gastric epithelial cells. World J Gastroenterol. 2005 Apr 07; 11(13):1946-50. PMID: 15800984; PMCID: PMC4305715.
    62. Suto H, Zhang M, Berg DE. Age-dependent changes in susceptibility of suckling mice to individual strains of Helicobacter pylori. Infect Immun. 2005 Feb; 73(2):1232-4. PMID: 15664971; PMCID: PMC547055.
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