PubRank

I Chopra

Author PubWeight™ 99.98‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Bacterial resistance to the tetracyclines. Microbiol Rev 1978 2.52
2 The tetracyclines: prospects at the beginning of the 1980s. J Antimicrob Chemother 1981 2.33
3 Genetic studies of a multi-resistant strain of Staphylococcus aureus. J Med Microbiol 1974 2.19
4 Plasmid-mediated tetracycline resistance in Escherichia coli involves increased efflux of the antibiotic. Biochem Biophys Res Commun 1980 1.98
5 Joint tolerance to beta-lactam and fluoroquinolone antibiotics in Escherichia coli results from overexpression of hipA. Antimicrob Agents Chemother 1998 1.92
6 Molecular basis of beta-lactamase induction in bacteria. Antimicrob Agents Chemother 1993 1.89
7 A variety of Staphylococcal plasmids present as multiple copies. J Gen Microbiol 1973 1.85
8 Mechanisms of resistance to fusidic acid in Staphylococcus aureus. J Gen Microbiol 1976 1.81
9 Evidence for more than one mechanism of plasmid-determined tetracycline resistance in Escherichia coli. J Gen Microbiol 1980 1.80
10 Organic acids: chemistry, antibacterial activity and practical applications. Adv Microb Physiol 1991 1.78
11 Mechanism of plasmic-mediated resistance to cadmium in Staphylococcus aureus. Antimicrob Agents Chemother 1975 1.72
12 Molecular basis of tetracycline action: identification of analogs whose primary target is not the bacterial ribosome. Antimicrob Agents Chemother 1991 1.69
13 Transport of antibiotics into bacteria. Adv Microb Physiol 1982 1.62
14 Decreased uptake of cadmium by a resistant strain of Staphylococcus aureus. J Gen Microbiol 1970 1.60
15 Diffusion of tetracycline across the outer membrane of Escherichia coli K-12: involvement of protein Ia. Biochem Biophys Res Commun 1978 1.55
16 Molecular genetic and structural modeling studies of Staphylococcus aureus RNA polymerase and the fitness of rifampin resistance genotypes in relation to clinical prevalence. Antimicrob Agents Chemother 2006 1.54
17 Analysis of tetracycline resistance encoded by transposon Tn10: deletion mapping of tetracycline-sensitive point mutations and identification of two structural genes. J Bacteriol 1983 1.53
18 Evidence that tetracycline analogs whose primary target is not the bacterial ribosome cause lysis of Escherichia coli. Antimicrob Agents Chemother 1992 1.53
19 Tetracycline resistance genes from Bacillus plasmid pAB124 confer decreased accumulation of the antibiotic in Bacillus subtilis but not in Escherichia coli. J Bacteriol 1981 1.52
20 Characterization of the epidemic European fusidic acid-resistant impetigo clone of Staphylococcus aureus. J Clin Microbiol 2007 1.49
21 Reduced expression of Tn 10-mediated tetracycline resistance in Escherichia coli containing more than one copy of the transposon. J Gen Microbiol 1981 1.48
22 Genetic basis of resistance to fusidic acid in staphylococci. Antimicrob Agents Chemother 2007 1.48
23 Effect of short-chain organic acids on macromolecular synthesis in Escherichia coli. J Appl Bacteriol 1990 1.41
24 Tetracycline resistance determinants from groups A to D vary in their ability to confer decreased accumulation of tetracycline derivatives by Escherichia coli. J Gen Microbiol 1982 1.40
25 Antimicrobial activity and mechanisms of resistance to cephalosporin P1, an antibiotic related to fusidic acid. J Antimicrob Chemother 2002 1.33
26 Leakage of periplasmic proteins from Escherichia coli mediated by polymyxin B nonapeptide. Antimicrob Agents Chemother 1986 1.33
27 RNA polymerase inhibitors with activity against rifampin-resistant mutants of Staphylococcus aureus. Antimicrob Agents Chemother 2000 1.31
28 Antimicrobial properties and mode of action of the pyrrothine holomycin. Antimicrob Agents Chemother 2001 1.31
29 Comparison of the polypeptide composition of Escherichia coli outer membranes prepared by two methods. J Bacteriol 1980 1.29
30 Mutation frequencies for resistance to fusidic acid and rifampicin in Staphylococcus aureus. J Antimicrob Chemother 2001 1.25
31 Biochemical and genetic basis of tetracycline resistance in Staphylococcus aureus. Antimicrob Agents Chemother 1974 1.20
32 Increased mutability of Pseudomonas aeruginosa in biofilms. J Antimicrob Chemother 2008 1.20
33 Penicillin-binding protein 2 is required for induction of the Citrobacter freundii class I chromosomal beta-lactamase in Escherichia coli. Antimicrob Agents Chemother 1989 1.20
34 Short-chain organic acids at ph 5.0 kill Escherichia coli and Salmonella spp. without causing membrane perturbation. J Appl Bacteriol 1991 1.17
35 Effect of plasmid carriage on the virulence of staphylococcus aureus. J Med Microbiol 1975 1.16
36 Tet determinants provide poor protection against some tetracyclines: further evidence for division of tetracyclines into two classes. Antimicrob Agents Chemother 1992 1.13
37 Bacterial resistance mechanisms as therapeutic targets. J Antimicrob Chemother 1994 1.09
38 Polymyxin B and polymyxin B nonapeptide alter cytoplasmic membrane permeability in Escherichia coli. J Antimicrob Chemother 1986 1.08
39 Towards new business models for R&D for novel antibiotics. Drug Resist Updat 2011 1.08
40 Induction of tetracycline resistance in Staphylococcus aureus in the absence of lipid synthesis. J Gen Microbiol 1975 1.08
41 SB 205952, a novel semisynthetic monic acid analog with at least two modes of action. Antimicrob Agents Chemother 1995 1.07
42 Expression of the Staphylococcus aureus UDP-N-acetylmuramoyl- L-alanyl-D-glutamate:L-lysine ligase in Escherichia coli and effects on peptidoglycan biosynthesis and cell growth. J Bacteriol 1999 1.07
43 Resistance to beta-lactams in Mycobacterium fortuitum. Antimicrob Agents Chemother 1992 1.06
44 Distribution of fusidic acid resistance determinants in methicillin-resistant Staphylococcus aureus. Antimicrob Agents Chemother 2010 1.06
45 Evidence for mutation to streptomycin resistance in clinical strains of Staphylococcus aureus. J Gen Microbiol 1972 1.05
46 High prevalence of resistance to fusidic acid in clinical isolates of Staphylococcus epidermidis. J Antimicrob Chemother 2008 1.05
47 Lysozyme-promoted association of protein I molecules in the outer membrane of Escherichia coli. J Bacteriol 1977 1.05
48 Genetic analysis of the tetA(C) gene on plasmid pBR322. J Bacteriol 1992 1.01
49 Emergence and maintenance of resistance to fluoroquinolones and coumarins in Staphylococcus aureus: predictions from in vitro studies. J Antimicrob Chemother 2007 1.01
50 Mutations affecting penicillin-binding proteins 2a, 2b and 3 in Bacillus subtilis alter cell shape and peptidoglycan metabolism. J Gen Microbiol 1987 0.98
51 The antibacterial effects of low concentrations of antibiotics. Adv Microb Physiol 1986 0.98
52 Accumulation of tetracyclines by Escherichia coli K-12. Biochem Biophys Res Commun 1977 0.97
53 Stabilization of Rhizobium symbiosis plasmids. Microbiology 1999 0.97
54 Energetics of tetracycline transport into Escherichia coli. Antimicrob Agents Chemother 1984 0.93
55 Affinities of beta-lactams for penicillin binding proteins of Chlamydia trachomatis and their antichlamydial activities. Antimicrob Agents Chemother 2001 0.91
56 Biochemical and genetic characterization of the tet determinant of Bacillus plasmid pAB124. J Bacteriol 1984 0.90
57 Inhibition of Escherichia coli K12 by short-chain organic acids: lack of evidence for induction of the SOS response. J Appl Bacteriol 1991 0.88
58 Antibacterial activity and mode of action of tert-butylhydroquinone (TBHQ) and its oxidation product, tert-butylbenzoquinone (TBBQ). J Antimicrob Chemother 2013 0.87
59 Delayed postoperative intracerebral abscess caused by Proprionibacterium acnes: case report and review of the literature. Br J Neurosurg 2003 0.87
60 Origin of tetracycline efflux proteins: conclusions from nucleotide sequence analysis. Mol Microbiol 1991 0.86
61 Antibiotic resistance resulting from decreased drug accumulation. Br Med Bull 1984 0.86
62 Limitations of a fluorescence assay for studies on tetracycline transport into Escherichia coli. Antimicrob Agents Chemother 1983 0.84
63 Outer membrane composition in Escherichia coli and the poor activity of hydrophobic antibiotics against enteric bacteria. J Antimicrob Chemother 1982 0.83
64 Uptake of tetracycline by Escherichia coli is not mediated by the sodium dependent glutamate transport system. J Antimicrob Chemother 1990 0.83
65 Mode of action of the cyclic depsipeptide antibiotic LL-AO341 beta 1 and partial characterization of a Staphylococcus aureus mutant resistant to the antibiotic. J Antimicrob Chemother 1993 0.83
66 Induction of the Citrobacter freundii group I beta-lactamase in Escherichia coli is not dependent on entry of beta-lactam into the cytoplasm. Antimicrob Agents Chemother 1990 0.82
67 Use of mutator strains for characterization of novel antimicrobial agents. Antimicrob Agents Chemother 2001 0.82
68 Cytokines modulate type I iodothyronine deiodinase mRNA levels and enzyme activity in FRTL-5 rat thyroid cells. Mol Cell Endocrinol 1994 0.81
69 Intradural metastatic spinal cord compression from ACTH-secreting pituitary carcinoma. Acta Neurochir (Wien) 2004 0.81
70 Inhibition of Providencia stuartii cell envelope enzymes by chlorhexidine. J Antimicrob Chemother 1987 0.80
71 Inhibition of beta-lactamase synthesis in Staphylococcus aureus by minocycline. J Antimicrob Chemother 1985 0.80
72 Transcriptional signature following inhibition of early-stage cell wall biosynthesis in Staphylococcus aureus. Antimicrob Agents Chemother 2009 0.80
73 Lack of correlation between methicillin resistance and susceptibility to lysostaphin in Staphylococcus aureus. J Gen Microbiol 1974 0.79
74 Haemangioblastoma: a rare cause of a cerebellar mass in the elderly. Br J Neurosurg 2003 0.79
75 Susceptibility of protein synthesis in Escherichia coli to tetracycline and minocycline. J Gen Microbiol 1981 0.79
76 Genetic and biochemical basis of tetracycline resistance. J Antimicrob Chemother 1986 0.78
77 Transport of tetracyclines into Escherichia coli requires a carboxamide group at the C2 position of the molecule. J Antimicrob Chemother 1986 0.78
78 Antibacterial spectra of drugs used for chemotherapy of mycobacterial infections. Tuber Lung Dis 1998 0.78
79 Tetracycline resistance in Escherichia coli K12 is not associated with a decrease in cyclopropane fatty acid content. J Gen Microbiol 1977 0.77
80 An assay to detect inhibitors of bacterial iron transport. J Antibiot (Tokyo) 1994 0.77
81 Plasmid-determined tetracycline resistance in Escherichia coli K12: lack of evidence that resistance is related to changes in lipid metabolism [proceedings]. Biochem Soc Trans 1978 0.77
82 Inhibition of K88-mediated adhesion of Escherichia coli to mammalian receptors by antibiotics that affect bacterial protein synthesis. J Antimicrob Chemother 1986 0.77
83 Triiodothyronine (T3) reflects renal graft function after renal transplantation. Clin Endocrinol (Oxf) 1997 0.76
84 The significance of triiodothyronine. Calif Med 1973 0.75
85 Paradoxical response and tolerance in a strain of Staphylococcus aureus. J Antimicrob Chemother 1994 0.75
86 Pilocytic astrocytoma mimicking craniopharyngioma: a case series. Ann R Coll Surg Engl 2012 0.75
87 Inhibition of staphylococcal growth by fusidic acid prevents production of volatile metabolites. J Antimicrob Chemother 2000 0.75
88 Prediction of signal sequence-dependent protein translocation in bacteria: assessment of the Escherichia coli minicell system. Biochem Biophys Res Commun 1988 0.75
89 Antibiotics and bacterial adhesion. J Antimicrob Chemother 1986 0.75
90 Inhibition of K88ab-mediated haemagglutination by polymyxin B nonapeptide. J Antimicrob Chemother 1991 0.75
91 Multiple isoelectric forms of bacterial penicillin-binding proteins: artefacts or genuine cellular components? J Antimicrob Chemother 1988 0.75
92 Loose cilium in meibomian gland: mimicking early postoperative endophthalmitis. Eye (Lond) 2006 0.75