Douglas E Berg

Author PubWeight™ 80.17‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Helicobacter pylori SabA adhesin in persistent infection and chronic inflammation. Science 2002 4.38
2 Mutation discovery in bacterial genomes: metronidazole resistance in Helicobacter pylori. Nat Methods 2005 3.19
3 Functional adaptation of BabA, the H. pylori ABO blood group antigen binding adhesin. Science 2004 3.06
4 Helicobacter pylori CagA phosphorylation-independent function in epithelial proliferation and inflammation. Cell Host Microbe 2009 1.96
5 Enzymes associated with reductive activation and action of nitazoxanide, nitrofurans, and metronidazole in Helicobacter pylori. Antimicrob Agents Chemother 2002 1.84
6 Metastability of Helicobacter pylori bab adhesin genes and dynamics in Lewis b antigen binding. Proc Natl Acad Sci U S A 2004 1.71
7 Transposable element ISHp608 of Helicobacter pylori: nonrandom geographic distribution, functional organization, and insertion specificity. J Bacteriol 2002 1.60
8 Helicobacter pylori tissue tropism: mouse-colonizing strains can target different gastric niches. Microbiology 2003 1.55
9 Revised nomenclature for transposable genetic elements. Plasmid 2008 1.50
10 Helicobacter Pylori's plasticity zones are novel transposable elements. PLoS One 2009 1.48
11 Helicobacter pylori from Peruvian amerindians: traces of human migrations in strains from remote Amazon, and genome sequence of an Amerind strain. PLoS One 2010 1.48
12 Helicobacter acinonychis: genetic and rodent infection studies of a Helicobacter pylori-like gastric pathogen of cheetahs and other big cats. J Bacteriol 2004 1.35
13 Emergence of tetracycline resistance in Helicobacter pylori: multiple mutational changes in 16S ribosomal DNA and other genetic loci. Antimicrob Agents Chemother 2002 1.27
14 Adherent and invasive Escherichia coli is associated with granulomatous colitis in boxer dogs. Infect Immun 2006 1.26
15 Cluster of type IV secretion genes in Helicobacter pylori's plasticity zone. J Bacteriol 2003 1.26
16 Expression of the BabA adhesin during experimental infection with Helicobacter pylori. Infect Immun 2010 1.26
17 Helicobacter pylori reinfection is common in Peruvian adults after antibiotic eradication therapy. J Infect Dis 2003 1.21
18 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 1.21
19 Contraselectable streptomycin susceptibility determinant for genetic manipulation and analysis of Helicobacter pylori. Appl Environ Microbiol 2006 1.20
20 DNA-level characterization of Helicobacter pylori strains from patients with overt disease and with benign infections in Bangladesh. J Clin Microbiol 2003 1.18
21 Virulence genes in Helicobacter pylori strains from West Bengal residents with overt H. pylori-associated disease and healthy volunteers. J Clin Microbiol 2002 1.17
22 Presence of active aliphatic amidases in Helicobacter species able to colonize the stomach. Infect Immun 2003 1.15
23 Motility of urease-deficient derivatives of Helicobacter pylori. J Bacteriol 2004 1.14
24 Helicobacter pylori adhesion to carbohydrates. Methods Enzymol 2006 1.12
25 Diverse phenotypes resulting from polyphosphate kinase gene (ppk1) inactivation in different strains of Helicobacter pylori. J Bacteriol 2005 1.11
26 Multiplex PCR assay for rapid detection and genotyping of Helicobacter pylori directly from biopsy specimens. J Clin Microbiol 2004 1.07
27 Attenuated CagA oncoprotein in Helicobacter pylori from Amerindians in Peruvian Amazon. J Biol Chem 2011 1.06
28 Gastrin-mediated interleukin-8 and cyclooxygenase-2 gene expression: differential transcriptional and posttranscriptional mechanisms. Gastroenterology 2008 1.05
29 Antimicrobial susceptibility of Helicobacter pylori strains isolated in Bangladesh. J Clin Microbiol 2004 1.03
30 Quantitative evaluation of inflammatory and immune responses in the early stages of chronic Helicobacter pylori infection. Infect Immun 2003 1.02
31 Virulence genes and neutral DNA markers of Helicobacter pylori isolates from different ethnic communities of West Bengal, India. J Clin Microbiol 2003 1.02
32 The fdxA ferredoxin gene can down-regulate frxA nitroreductase gene expression and is essential in many strains of Helicobacter pylori. J Bacteriol 2003 1.01
33 Helicobacter pylori evolution: lineage- specific adaptations in homologs of eukaryotic Sel1-like genes. PLoS Comput Biol 2007 0.99
34 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 0.98
35 Alaska sentinel surveillance for antimicrobial resistance in Helicobacter pylori isolates from Alaska native persons, 1999-2003. Helicobacter 2006 0.98
36 Novel 180- and 480-base-pair insertions in African and African-American strains of Helicobacter pylori. J Clin Microbiol 2004 0.98
37 Validation of string test for diagnosis of Helicobacter pylori infections. J Clin Microbiol 2006 0.97
38 Quantitative effect of luxS gene inactivation on the fitness of Helicobacter pylori. Appl Environ Microbiol 2006 0.97
39 Sequence organization and insertion specificity of the novel chimeric ISHp609 transposable element of Helicobacter pylori. J Bacteriol 2004 0.96
40 Host Lewis phenotype-dependent Helicobacter pylori Lewis antigen expression in rhesus monkeys. FASEB J 2006 0.95
41 Point mutations in Helicobacter pylori's fur regulatory gene that alter resistance to metronidazole, a prodrug activated by chemical reduction. PLoS One 2011 0.94
42 The secreted Helicobacter cysteine-rich protein A causes adherence of human monocytes and differentiation into a macrophage-like phenotype. FEBS Lett 2009 0.94
43 Evolutionary dynamics of insertion sequences in Helicobacter pylori. J Bacteriol 2004 0.93
44 Antimicrobial susceptibility and resistance patterns among Helicobacter pylori strains from The Gambia, West Africa. Antimicrob Agents Chemother 2012 0.93
45 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 0.93
46 Socioeconomic and nutritional factors account for the association of gastric cancer with Amerindian ancestry in a Latin American admixed population. PLoS One 2012 0.91
47 Surface properties of Helicobacter pylori urease complex are essential for persistence. PLoS One 2010 0.90
48 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 0.90
49 Expanded therapeutic potential in activity space of next-generation 5-nitroimidazole antimicrobials with broad structural diversity. Proc Natl Acad Sci U S A 2013 0.89
50 Macrophage migration inhibitory factor stimulated by Helicobacter pylori increases proliferation of gastric epithelial cells. World J Gastroenterol 2005 0.89
51 Helicobacter pylori genotyping from American indigenous groups shows novel Amerindian vacA and cagA alleles and Asian, African and European admixture. PLoS One 2011 0.89
52 Control of epithelial cell structure and developmental fate: lessons from Helicobacter pylori. Bioessays 2008 0.87
53 Age-dependent changes in susceptibility of suckling mice to individual strains of Helicobacter pylori. Infect Immun 2005 0.87
54 Genome Sequences of Three hpAfrica2 Strains of Helicobacter pylori. Genome Announc 2013 0.85
55 Diagnosis and genotyping of Helicobacter pylori by polymerase chain reaction of bacterial DNA from gastric juice. J Gastroenterol Hepatol 2005 0.85
56 Electron microscopic, genetic and protein expression analyses of Helicobacter acinonychis strains from a Bengal tiger. PLoS One 2013 0.83
57 Xer recombinase and genome integrity in Helicobacter pylori, a pathogen without topoisomerase IV. PLoS One 2012 0.83
58 PCR-based genotyping of Helicobacter pylori of Gambian children and adults directly from biopsy specimens and bacterial cultures. Gut Pathog 2011 0.82
59 Urea sensitization caused by separation of Helicobacter pylori RNA polymerase beta and beta' subunits. Helicobacter 2007 0.82
60 Bayesian inferences suggest that Amazon Yunga Natives diverged from Andeans less than 5000 ybp: implications for South American prehistory. BMC Evol Biol 2014 0.82
61 Effects of cyclooxygenase-1 and -2 gene disruption on Helicobacter pylori-induced gastric inflammation. J Infect Dis 2006 0.82
62 Effects of primary metronidazole and clarithromycin resistance to Helicobacter pylori on omeprazole, metronidazole, and clarithromycin triple-therapy regimen in a region with high rates of metronidazole resistance. Clin Infect Dis 2003 0.81
63 Intact cag pathogenicity island of Helicobacter pylori without disease association in Kolkata, India. Int J Med Microbiol 2010 0.80
64 Effectiveness of enterobacterial repetitive intergenic consensus PCR and random amplified polymorphic DNA fingerprinting for Helicobacter pylori strain differentiation. Appl Environ Microbiol 2006 0.80
65 Mixed infection with cagA positive and cagA negative strains of Helicobacter pylori lowers disease burden in The Gambia. PLoS One 2011 0.80
66 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 0.79
67 Metronidazole resistance in Helicobacter pylori: magnitude, mechanism and implications for India. Indian J Gastroenterol 2002 0.78
68 Robustness of Helicobacter pylori infection conferred by context-variable redundancy among cysteine-rich paralogs. PLoS One 2013 0.77
69 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 0.77
70 Anti-Helicobacter pylori therapy in India: differences in eradication efficiency associated with particular alleles of vacuolating cytotoxin (vacA) gene. J Gastroenterol Hepatol 2003 0.75
71 Isolation of tetracycline-resistant clinical Helicobacter pylori without mutations in 16S rRNA gene in Bangladesh. Microbiol Immunol 2008 0.75