Niyaz Ahmed

Author PubWeight™ 97.16‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Molecular characterization of multidrug-resistant isolates of Mycobacterium tuberculosis from patients in North India. Antimicrob Agents Chemother 2002 2.59
2 Development and validation of a real-time PCR for detection of pathogenic leptospira species in clinical materials. PLoS One 2009 2.36
3 Tuberculosis in seals caused by a novel member of the Mycobacterium tuberculosis complex: Mycobacterium pinnipedii sp. nov. Int J Syst Evol Microbiol 2003 2.34
4 Mycobacterium avium subsp. paratuberculosis, genetic susceptibility to Crohn's disease, and Sardinians: the way ahead. J Clin Microbiol 2005 1.82
5 Predominance of ancestral lineages of Mycobacterium tuberculosis in India. Emerg Infect Dis 2006 1.75
6 Conservation of the S10-spc-alpha locus within otherwise highly plastic genomes provides phylogenetic insight into the genus Leptospira. PLoS One 2008 1.55
7 Antimicrobial activities of Eugenol and Cinnamaldehyde against the human gastric pathogen Helicobacter pylori. Ann Clin Microbiol Antimicrob 2005 1.44
8 Polyphasic taxonomic analysis establishes Mycobacterium indicus pranii as a distinct species. PLoS One 2009 1.36
9 The cag pathogenicity island of Helicobacter pylori is disrupted in the majority of patient isolates from different human populations. J Clin Microbiol 2004 1.35
10 Antibodies recognizing Mycobacterium avium paratuberculosis epitopes cross-react with the beta-cell antigen ZnT8 in Sardinian type 1 diabetic patients. PLoS One 2011 1.34
11 Genome of multidrug-resistant uropathogenic Escherichia coli strain NA114 from India. J Bacteriol 2011 1.33
12 Mycobacterium avium subspecies paratuberculosis bacteremia in type 1 diabetes mellitus: an infectious trigger? Clin Infect Dis 2008 1.28
13 Ancestral European roots of Helicobacter pylori in India. BMC Genomics 2007 1.26
14 Genomes of Helicobacter pylori from native Peruvians suggest admixture of ancestral and modern lineages and reveal a western type cag-pathogenicity island. BMC Genomics 2006 1.23
15 Humoral immune responses of type 1 diabetes patients to Mycobacterium avium subsp. paratuberculosis lend support to the infectious trigger hypothesis. Clin Vaccine Immunol 2007 1.22
16 Use of fluorescent amplified fragment length polymorphism for molecular epidemiology of leptospirosis in India. J Clin Microbiol 2004 1.22
17 Pathogen evolution in vivo: genome dynamics of two isolates obtained 9 years apart from a duodenal ulcer patient infected with a single Helicobacter pylori strain. J Clin Microbiol 2005 1.20
18 Iron-dependent RNA-binding activity of Mycobacterium tuberculosis aconitase. J Bacteriol 2007 1.19
19 Rapid identification of Mycobacterium tuberculosis Beijing genotypes on the basis of the mycobacterial interspersed repetitive unit locus 26 signature. J Clin Microbiol 2006 1.19
20 Identification of novel mutations causing familial primary congenital glaucoma in Indian pedigrees. Invest Ophthalmol Vis Sci 2002 1.18
21 In-depth molecular characterization of Mycobacterium tuberculosis from New Delhi--predominance of drug resistant isolates of the 'modern' (TbD1) type. PLoS One 2009 1.16
22 Microevolution between paired antral and paired antrum and corpus Helicobacter pylori isolates recovered from individual patients. J Med Microbiol 2004 1.13
23 Genetic affinities within a large global collection of pathogenic Leptospira: implications for strain identification and molecular epidemiology. PLoS One 2010 1.10
24 Novel protein antigen (JHP940) from the genomic plasticity region of Helicobacter pylori induces tumor necrosis factor alpha and interleukin-8 secretion by human macrophages. J Bacteriol 2007 1.10
25 Relationship between Crohn's disease, infection with Mycobacterium avium subspecies paratuberculosis and SLC11A1 gene polymorphisms in Sardinian patients. World J Gastroenterol 2006 1.09
26 Comparing genomes of Helicobacter pylori strains from the high-altitude desert of Ladakh, India. J Clin Microbiol 2005 1.08
27 Genome of a novel isolate of Paracoccus denitrificans capable of degrading N,N-dimethylformamide. J Bacteriol 2011 1.08
28 Virulence characteristics and genetic affinities of multiple drug resistant uropathogenic Escherichia coli from a semi urban locality in India. PLoS One 2011 1.08
29 Modern and ancestral genotypes of Mycobacterium tuberculosis from Andhra Pradesh, India. PLoS One 2011 1.07
30 Molecular epidemiology of clinical and carrier strains of methicillin resistant Staphylococcus aureus (MRSA) in the hospital settings of north India. Ann Clin Microbiol Antimicrob 2006 1.07
31 Analysis of genomic downsizing on the basis of region-of-difference polymorphism profiling of Mycobacterium tuberculosis patient isolates reveals geographic partitioning. J Clin Microbiol 2005 1.07
32 Genome of Helicobacter pylori strain 908. J Bacteriol 2010 1.06
33 Specific immunoassays confirm association of Mycobacterium avium Subsp. paratuberculosis with type-1 but not type-2 diabetes mellitus. PLoS One 2009 1.06
34 Comparative genomics of Helicobacter pylori isolates recovered from ulcer disease patients in England. BMC Microbiol 2005 1.06
35 A preliminary study on the genetic profile of cag pathogenicity-island and other virulent gene loci of Helicobacter pylori strains from Turkey. Infect Genet Evol 2007 1.04
36 Microevolution of Helicobacter pylori type IV secretion systems in an ulcer disease patient over a ten-year period. J Clin Microbiol 2007 1.04
37 Association of Mycobacterium avium subsp. paratuberculosis with multiple sclerosis in Sardinian patients. PLoS One 2011 1.03
38 Fine-structure molecular typing of Irish Helicobacter pylori isolates and their genetic relatedness to strains from four different continents. J Clin Microbiol 2003 1.02
39 Multiresistant uropathogenic Escherichia coli from a region in India where urinary tract infections are endemic: genotypic and phenotypic characteristics of sequence type 131 isolates of the CTX-M-15 extended-spectrum-β-lactamase-producing lineage. Antimicrob Agents Chemother 2012 1.01
40 Genomes of two chronological isolates (Helicobacter pylori 2017 and 2018) of the West African Helicobacter pylori strain 908 obtained from a single patient. J Bacteriol 2011 0.99
41 Linking chronic infection and autoimmune diseases: Mycobacterium avium subspecies paratuberculosis, SLC11A1 polymorphisms and type-1 diabetes mellitus. PLoS One 2009 0.99
42 Immunogenicity and cytoadherence of recombinant heparin binding haemagglutinin (HBHA) of Mycobacterium avium subsp. paratuberculosis: functional promiscuity or a role in virulence? Vaccine 2005 0.98
43 AmpliBASE MT: a Mycobacterium tuberculosis diversity knowledgebase. Bioinformatics 2004 0.98
44 Comparison of two multilocus sequence based genotyping schemes for Leptospira species. PLoS Negl Trop Dis 2011 0.97
45 Genome sequence and comparative pathogenomics analysis of a Salmonella enterica Serovar Typhi strain associated with a typhoid carrier in Malaysia. J Bacteriol 2012 0.96
46 Genome scale portrait of cAMP-receptor protein (CRP) regulons in mycobacteria points to their role in pathogenesis. Gene 2007 0.96
47 23 years of the discovery of Helicobacter pylori: is the debate over? Ann Clin Microbiol Antimicrob 2005 0.96
48 Polymerase chain reaction based analysis of the cytotoxin associated gene pathogenicity island of Helicobacter pylori from saliva: an approach for rapid molecular genotyping in relation to disease status. J Gastroenterol Hepatol 2005 0.95
49 Genetic fine structure of a Salmonella enterica serovar Typhi strain associated with the 2005 outbreak of typhoid fever in Kelantan, Malaysia. J Bacteriol 2012 0.95
50 Disease-causing mutations in proteins: structural analysis of the CYP1B1 mutations causing primary congenital glaucoma in humans. Biophys J 2006 0.95
51 Concurrent proinflammatory and apoptotic activity of a Helicobacter pylori protein (HP986) points to its role in chronic persistence. PLoS One 2011 0.95
52 Association between cag-pathogenicity island in Helicobacter pylori isolates from peptic ulcer, gastric carcinoma, and non-ulcer dyspepsia subjects with histological changes. World J Gastroenterol 2005 0.94
53 High-resolution genotyping of Pseudomonas aeruginosa strains linked to acute post cataract surgery endophthalmitis outbreaks in India. Ann Clin Microbiol Antimicrob 2005 0.93
54 Arenal, a new Leptospira serovar of serogroup Javanica, isolated from a patient in Costa Rica. Infect Genet Evol 2008 0.93
55 Fluorescent amplified fragment length polymorphism (FAFLP) genotyping demonstrates the role of biofilm-producing methicillin-resistant periocular Staphylococcus epidermidis strains in postoperative endophthalmitis. BMC Ophthalmol 2006 0.92
56 Implications of molecular genotyping of Helicobacter pylori isolates from different human populations by genomic fingerprinting of enterobacterial repetitive intergenic consensus regions for strain identification and geographic evolution. J Clin Microbiol 2004 0.92
57 Revisiting the pestilence of Helicobacter pylori: insights into geographical genomics and pathogen evolution. Infect Genet Evol 2004 0.92
58 "In vitro" activities of antimycobacterial agents against Mycobacterium avium subsp. paratuberculosis linked to Crohn's disease and paratuberculosis. Ann Clin Microbiol Antimicrob 2006 0.92
59 High-resolution genome profiling differentiated Staphylococcus epidermidis isolated from patients with ocular infections and normal individuals. Invest Ophthalmol Vis Sci 2007 0.92
60 Mycobacterium avium subspecies paratuberculosis is not associated with type-2 diabetes mellitus. Ann Clin Microbiol Antimicrob 2008 0.90
61 Mycobacterium avium subsp. paratuberculosis as a trigger of type-1 diabetes: destination Sardinia, or beyond? Gut Pathog 2010 0.90
62 Massive gene acquisitions in Mycobacterium indicus pranii provide a perspective on mycobacterial evolution. Nucleic Acids Res 2012 0.88
63 The co-evolved Helicobacter pylori and gastric cancer: trinity of bacterial virulence, host susceptibility and lifestyle. Infect Agent Cancer 2007 0.88
64 Treatment end point determinants for pulmonary tuberculosis: human resistin as a surrogate biomarker. Tuberculosis (Edinb) 2011 0.88
65 Novel mutation in FOXC1 wing region causing Axenfeld-Rieger anomaly. Invest Ophthalmol Vis Sci 2002 0.87
66 Bioinformatics describes novel Loci for high resolution discrimination of leptospira isolates. PLoS One 2010 0.86
67 The use of the name Mycobacterium w for the leprosy immunotherapeutic bacillus creates confusion with M. tuberculosis-W (Beijing strain): a suggestion. Infect Genet Evol 2007 0.86
68 Antigenic profiles of recombinant proteins from Mycobacterium avium subsp. paratuberculosis in sheep with Johne's disease. Vet Immunol Immunopathol 2007 0.85
69 Diagnostic potential of an iron-regulated hemin-binding protein HbpA that is widely conserved in Leptospira interrogans. Infect Genet Evol 2008 0.84
70 Phages specific for mycobacterial lipoarabinomannan help serodiagnosis of tuberculosis. New Microbiol 2009 0.84
71 Dormancy Associated Translation Inhibitor (DATIN/Rv0079) of Mycobacterium tuberculosis interacts with TLR2 and induces proinflammatory cytokine expression. Cytokine 2013 0.84
72 Mycobacterium tuberculosis DosR regulon gene Rv0079 encodes a putative, 'dormancy associated translation inhibitor (DATIN)'. PLoS One 2012 0.83
73 Helicobacter pylori antigen HP0986 (TieA) interacts with cultured gastric epithelial cells and induces IL8 secretion via NF-κB mediated pathway. Helicobacter 2013 0.82
74 Multiple familial trichoepitheliomas in association with squamous cell carcinoma. Indian Dermatol Online J 2012 0.82
75 Genome and transcriptome scale portrait of sigma factors in Mycobacterium avium subsp. paratuberculosis. Infect Genet Evol 2007 0.81
76 Comparative proteomics of the Mycobacterium leprae binding protein myelin P0: its implication in leprosy and other neurodegenerative diseases. Infect Genet Evol 2004 0.81
77 Insights from the genome sequence of a Salmonella enterica serovar Typhi strain associated with a sporadic case of typhoid fever in Malaysia. J Bacteriol 2012 0.81
78 Mutational analysis of the RB1 gene in Indian patients with retinoblastoma. Ophthalmic Genet 2002 0.80
79 Mycobacterial Hsp65 potentially cross-reacts with autoantibodies of diabetes sera and also induces (in vitro) cytokine responses relevant to diabetes mellitus. Mol Biosyst 2013 0.80
80 Whole-genome sequences and comparative genomics of Salmonella enterica serovar Typhi isolates from patients with fatal and nonfatal typhoid fever in Papua New Guinea. J Bacteriol 2012 0.80
81 Spirochaetes as intestinal pathogens: lessons from a Brachyspira genome. Gut Pathog 2009 0.80
82 Helicobacter pylori and type 1 diabetes mellitus: possibility of modifying chronic disease susceptibility with vaccinomics at the anvil. OMICS 2011 0.80
83 Host-lipidome as a potential target of protozoan parasites. Microbes Infect 2013 0.79
84 Genome sequencing and analysis of Salmonella enterica serovar Typhi strain CR0063 representing a carrier individual during an outbreak of typhoid fever in Kelantan, Malaysia. Gut Pathog 2012 0.79
85 Next-generation sequencing and de novo assembly, genome organization, and comparative genomic analyses of the genomes of two Helicobacter pylori isolates from duodenal ulcer patients in India. J Bacteriol 2012 0.79
86 Genome anatomy of the gastrointestinal pathogen, Vibrio parahaemolyticus of crustacean origin. Gut Pathog 2013 0.79
87 Fluorescent amplified fragment length polymorphism (FAFLP) based molecular epidemiology of hospital infections in a tertiary care setting in Hyderabad, India. Infect Genet Evol 2005 0.78
88 Mycobacterium avium subspecies paratuberculosis infects and multiplies in enteric glial cells. World J Gastroenterol 2007 0.77
89 India's 'gold mine' of ancestral bacilli and the looming TB-HIV pandemic. Ann Clin Microbiol Antimicrob 2006 0.77
90 Gut Pathogens: enteric health at the interface of changing microbiology. Gut Pathog 2009 0.77
91 Isocitrate dehydrogenase of Helicobacter pylori potentially induces humoral immune response in subjects with peptic ulcer disease and gastritis. PLoS One 2008 0.77
92 Tyrosine aminotransferase and gamma-glutamyl transferase activity in human fetal hepatocyte primary cultures under proliferative conditions. Cell Biochem Funct 2004 0.76
93 In vitro cytokine profiles and viability of different human cells treated with whole cell lysate of Mycobacterium avium subsp. paratuberculosis. Gut Pathog 2012 0.75
94 Leptospirosis. Lancet Infect Dis 2004 0.75
95 Genomes of Two Clinical Isolates of Mycobacterium tuberculosis from Odisha, India. Genome Announc 2014 0.75
96 The endangered gastric pathogen Helicobacter pylori: to eradicate or not? Indian J Med Res 2005 0.75