Published in Mol Gen Genet on November 29, 1977
Physical map of chromosomal nitrogen fixation (nif) genes of Klebsiella pneumoniae. Proc Natl Acad Sci U S A (1979) 5.93
Regulation and characterization of protein products coded by the nif (nitrogen fixation) genes of Klebsiella pneumoniae. J Bacteriol (1978) 5.88
Fine-structure mapping and complementation analysis of nif (nitrogen fixation) genes in Klebsiella pneumoniae. J Bacteriol (1978) 4.80
Nitrogen control of the nif regulon in Klebsiella pneumoniae: involvement of the ntrA gene and analogies between ntrC and nifA. EMBO J (1983) 2.47
Gene-product relationships of the nif regulon of Klebsiella pneumoniae. J Bacteriol (1980) 2.16
Bacteriophage mu-induced deletions in a plasmid containing the nif (N2 fixation) genes of Klebsiella pneumoniae. J Bacteriol (1978) 1.95
The nucleotide sequence of the nitrogen regulation gene ntrB and the glnA-ntrBC intergenic region of Klebsiella pneumoniae. Nucleic Acids Res (1985) 1.91
Biochemical genetics of nitrogen fixation. Microbiol Rev (1980) 1.81
Site-directed mutagenesis of the Klebsiella pneumoniae nifL and nifH promoters and in vivo analysis of promoter activity. Nucleic Acids Res (1985) 1.73
Regulation of nitrogen metabolism in Azotobacter vinelandii: isolation of ntr and glnA genes and construction of ntr mutants. EMBO J (1986) 1.68
Extension of bacteriophage lambda host range: selection, cloning, and characterization of a constitutive lambda receptor gene. Proc Natl Acad Sci U S A (1984) 1.68
Deletion analysis of the Klebsiella pneumoniae nitrogenase promoter: importance of spacing between conserved sequences around positions -12 and -24 for activation by the nifA and ntrC (glnG) products. J Bacteriol (1986) 1.51
Cloning and mutagenesis of genes encoding the cytochrome bd terminal oxidase complex in Azotobacter vinelandii: mutants deficient in the cytochrome d complex are unable to fix nitrogen in air. J Bacteriol (1990) 1.45
Excision of an 11-kilobase-pair DNA element from within the nifD gene in anabaena variabilis heterocysts. J Bacteriol (1989) 1.32
The NifL-NifA System: a multidomain transcriptional regulatory complex that integrates environmental signals. J Bacteriol (2004) 1.31
The product of the nitrogen fixation regulatory gene nfrX of Azotobacter vinelandii is functionally and structurally homologous to the uridylyltransferase encoded by glnD in enteric bacteria. J Bacteriol (1991) 1.28
6-cyanopurine, a color indicator useful for isolating mutations in the nif (nitrogen fixation) genes of Klebsiella pneumoniae. J Bacteriol (1978) 1.22
Hydrogenase genes from Rhizobium leguminosarum bv. viciae are controlled by the nitrogen fixation regulatory protein nifA. Proc Natl Acad Sci U S A (1997) 1.19
Estimation of gene expression in heterocysts of Anabaena variabilis by using DNA-RNA hybridization. J Bacteriol (1986) 1.18
NtrC is required for control of Klebsiella pneumoniae NifL activity. J Bacteriol (1997) 1.10
Constitutive expression of nitrogen fixation (nif) genes of Klebsiella pneumoniae due to a DNA duplication. EMBO J (1982) 1.02
Pleiotropic effect of his gene mutations on nitrogen fixation in Klebsiella pneumoniae. EMBO J (1982) 0.78
The [14C]deoxyglucose method for the measurement of local cerebral glucose utilization: theory, procedure, and normal values in the conscious and anesthetized albino rat. J Neurochem (1977) 11.55
Is there a basis for distinguishing two types of P2-purinoceptor? Gen Pharmacol (1985) 9.20
Prevalence, sensitivity, and specificity of chronic cerebrospinal venous insufficiency in MS. Neurology (2011) 5.16
Venous angioplasty in patients with multiple sclerosis: results of a pilot study. Eur J Vasc Endovasc Surg (2011) 4.68
International union of pharmacology. XXIV. Current status of the nomenclature and properties of P2X receptors and their subunits. Pharmacol Rev (2001) 3.26
Complementation analysis of Klebsiella pneumoniae mutants defective in nitrogen fixation. Mol Gen Genet (1977) 3.17
The Concise Guide to PHARMACOLOGY 2013/14: overview. Br J Pharmacol (2013) 2.48
Nitrogen fixation gene (nifL) involved in oxygen regulation of nitrogenase synthesis in K. pneumoniae. Nature (1981) 2.42
Measurement of local cerebral blood flow with iodo [14C] antipyrine. Am J Physiol (1978) 2.34
Polarity of mutations induced by insertion of transposons Tn5, Tn7 and Tn10 into the nif gene cluster of Klebsiella pneumoniae. Mol Gen Genet (1978) 2.32
Quantitative and qualitative analyses of clock drawings in Alzheimer's and Huntington's disease. Brain Cogn (1992) 1.98
The effect of anti-intercellular adhesion molecule-1 on phorbol-ester-induced rabbit lung inflammation. J Immunol (1989) 1.76
A critical appraisal of review articles on the effectiveness of conservative treatment for neck pain. Spine (Phila Pa 1976) (2001) 1.76
The contributions of noradrenaline and ATP to the responses of the rabbit central ear artery to sympathetic nerve stimulation depend on the parameters of stimulation. Eur J Pharmacol (1986) 1.72
Comparison of benefit to sugarcane plant growth and 15N2 incorporation following inoculation of sterile plants with Acetobacter diazotrophicus wild-type and Nif- mutants strains. Mol Plant Microbe Interact (2001) 1.71
Properties of the nuclear P1 protein, a mammalian homologue of the yeast Mcm3 replication protein. Nucleic Acids Res (1992) 1.71
P2-purinoceptors mediate both vasodilation (via the endothelium) and vasoconstriction of the isolated rat femoral artery. Eur J Pharmacol (1985) 1.71
Sequence and molecular analysis of the nifL gene of Azotobacter vinelandii. Mol Microbiol (1993) 1.69
The molybdenum--iron protein of Klebsiella pneumoniae nitrogenase. Evidence for non-identical subunits from peptide 'mapping'. Biochem J (1976) 1.68
Metabolic mapping of the primary visual system of the monkey by means of the autoradiographic [14C]deoxyglucose technique. Proc Natl Acad Sci U S A (1976) 1.68
Regulation of nitrogen metabolism in Azotobacter vinelandii: isolation of ntr and glnA genes and construction of ntr mutants. EMBO J (1986) 1.68
Local cerebral blood flow during hibernation, a model of natural tolerance to "cerebral ischemia". J Cereb Blood Flow Metab (1994) 1.67
Telemedicine; here to stay. Med J Aust (1997) 1.63
The severity of chronic cerebrospinal venous insufficiency in patients with multiple sclerosis is related to altered cerebrospinal fluid dynamics. Funct Neurol (2009) 1.62
Major depressive and post-traumatic stress disorder comorbidity in female victims of intimate partner violence. J Affect Disord (2001) 1.61
Mental health service users' experiences of mental health care: an integrative literature review. J Psychiatr Ment Health Nurs (2015) 1.56
Characterization of P2-purinoceptors in the smooth muscle of the rat tail artery: a comparison between contractile and electrophysiological responses. Br J Pharmacol (1994) 1.53
Neuronal release of soluble nucleotidases and their role in neurotransmitter inactivation. Nature (1997) 1.48
Activation of nif gene expression in Azotobacter by the nifA gene product of Klebsiella pneumoniae. Nature (1983) 1.48
T cell recognition of HIV synthetic peptides in a natural infection. J Immunol (1989) 1.47
ATP produces vasodilation via P1 purinoceptors and vasoconstriction via P2 purinoceptors in the isolated rabbit central ear artery. Blood Vessels (1985) 1.46
Cloning and mutagenesis of genes encoding the cytochrome bd terminal oxidase complex in Azotobacter vinelandii: mutants deficient in the cytochrome d complex are unable to fix nitrogen in air. J Bacteriol (1990) 1.45
Evidence for two types of P2-purinoceptor in longitudinal muscle of the rabbit portal vein. Eur J Pharmacol (1985) 1.43
Pyelonephritis, rash, and progressive respiratory failure in a pregnant woman. Clin Infect Dis (1992) 1.42
Mapping of functional neural pathways by autoradiographic survey of local metabolic rate with (14C)deoxyglucose. Science (1975) 1.42
"Being dealt with as a whole person." Care seeking and adherence: the benefits of culturally competent care. Soc Sci Med (2001) 1.39
Mammographically negative breast cancer at the Strathfield Breast Centre. Aust N Z J Surg (1996) 1.38
Endoscopic transvesical extramural ureterolithotomy. Br J Urol (1990) 1.37
Excretion of ammonium by a nifL mutant of Azotobacter vinelandii fixing nitrogen. Appl Environ Microbiol (1992) 1.35
Morphology of the femur in proximal femoral fractures. J Bone Joint Surg Br (1989) 1.33
Lessons from the program on chronic mental illness. Health Aff (Millwood) (1992) 1.33
Positive correlations between cerebral protein synthesis rates and deep sleep in Macaca mulatta. Eur J Neurosci (1997) 1.32
The antiviral effect of zidovudine and ribavirin in clinical trials and the use of p24 antigen levels as a virologic marker. J Infect Dis (1989) 1.32
The product of the nitrogen fixation regulatory gene nfrX of Azotobacter vinelandii is functionally and structurally homologous to the uridylyltransferase encoded by glnD in enteric bacteria. J Bacteriol (1991) 1.28
Expression of Klebsiella pneumoniae nitrogen fixation genes in nitrate reductase mutants of Escherichia coli. J Gen Microbiol (1977) 1.23
Identification and characterization of two nitrogen fixation regulatory regions, nifA and nfrX, in Azotobacter vinelandii and Azotobacter chroococcum. Mol Microbiol (1988) 1.22
Nitrogenase synthesis in Klebsiella pneumoniae: comparison of ammonium and oxygen regulation. J Gen Microbiol (1978) 1.21
Oral health care and status of elderly care home residents in Glasgow. Community Dent Health (2007) 1.20
Mental health service use by Americans with severe mental illnesses. Soc Psychiatry Psychiatr Epidemiol (2000) 1.20
The Apgar score as an index of infant morbidity. A report from the collaborative study of cerebral palsy. Dev Med Child Neurol (1966) 1.19
P2X receptors in health and disease. Adv Pharmacol (2011) 1.18
Investigation of the actions of PPADS, a novel P2x-purinoceptor antagonist, in the guinea-pig isolated vas deferens. Br J Pharmacol (1994) 1.18
Manual therapy for mechanical neck disorders: a systematic review. Man Ther (2002) 1.17
Local cerebral glucose utilization in the normal conscious macaque monkey. Ann Neurol (1978) 1.17
Human immunodeficiency virus (HIV) and JC virus in acquired immune deficiency syndrome (AIDS) patients with progressive multifocal leukoencephalopathy. Acta Neuropathol (1988) 1.16
Cigar and pipe smoking related to four year survival of coronary patients. Br Heart J (1983) 1.16
Characterization of a P2X-purinoceptor in cultured neurones of the rat dorsal root ganglia. Br J Pharmacol (1996) 1.15
Differential coupling of the human P2Y(11) receptor to phospholipase C and adenylyl cyclase. Br J Pharmacol (2001) 1.15
Temperature-Dependent Regulation by Molybdenum and Vanadium of Expression of the Structural Genes Encoding Three Nitrogenases in Azotobacter vinelandii. Appl Environ Microbiol (1991) 1.15
Characterization of the glnK-amtB operon of Azotobacter vinelandii. J Bacteriol (1998) 1.14
Ocular changes in patients undergoing long-term desferrioxamine treatment. Br J Ophthalmol (1984) 1.12
Local cerebral glucose utilization in non-rapid eye movement sleep. Nature (1982) 1.11
DLEC1 and MLH1 promoter methylation are associated with poor prognosis in non-small cell lung carcinoma. Br J Cancer (2008) 1.11
Histone deacetylase inhibitors decrease proliferation and modulate cell cycle gene expression in normal mammary epithelial cells. Clin Cancer Res (2000) 1.11
Pharmacological properties of P2X3-receptors present in neurones of the rat dorsal root ganglia. Br J Pharmacol (1998) 1.10
Identification of sulfurtransferase enzymes in Azotobacter vinelandii. FEBS Lett (1991) 1.07
Enhancement of sympathetic purinergic neurotransmission in the guinea-pig isolated vas deferens by the novel ecto-ATPase inhibitor ARL 67156. Br J Pharmacol (1996) 1.07
Syphilis presenting as hair loss. Br Med J (1976) 1.06
False positives in universal neonatal screening for permanent childhood hearing impairment. Lancet (2000) 1.06
Value of MR venography for detection of internal jugular vein anomalies in multiple sclerosis: a pilot longitudinal study. AJNR Am J Neuroradiol (2011) 1.05
Functional development of the corticocortical pathway for motion analysis in the macaque monkey: a 14C-2-deoxyglucose study. Cereb Cortex (1996) 1.04
Molecular analysis of the Azotobacter vinelandii glnA gene encoding glutamine synthetase. J Bacteriol (1990) 1.04
The cost-effectiveness of technology transfer using telemedicine. Health Policy Plan (2004) 1.04
The ecto-ATPase inhibitor ARL 67156 enhances parasympathetic neurotransmission in the guinea-pig urinary bladder. Eur J Pharmacol (1997) 1.03
The lumped constant of the deoxyglucose method in hypoglycemia: effects of moderate hypoglycemia on local cerebral glucose utilization in the rat. J Cereb Blood Flow Metab (1990) 1.03
Chronic cerebrospinal venous insufficiency and iron deposition on susceptibility-weighted imaging in patients with multiple sclerosis: a pilot case-control study. Int Angiol (2010) 1.03
Roles of gall bladder emptying and intestinal transit in the pathogenesis of octreotide induced gall bladder stones. Gut (1996) 1.03
Intra- and extraluminal structural and functional venous anomalies in multiple sclerosis, as evidenced by 2 noninvasive imaging techniques. AJNR Am J Neuroradiol (2011) 1.02
A method for isolating nonsense suppressors in enterobacteriaceae using an amber mutant of the drug resistance factor R1. Mol Gen Genet (1975) 1.02
AIDS-related Kaposi's sarcoma displays differential expression of endothelial surface antigens. Am J Pathol (1988) 1.01
Cancer-associated mis-sense and deletion mutations impair p16INK4 CDK inhibitory activity. Int J Cancer (1996) 1.00
The oral health of people with intellectual disability participating in the UK Special Olympics. J Intellect Disabil Res (2008) 0.99
Regional variation in P2 receptor expression in the rat pulmonary arterial circulation. Br J Pharmacol (2002) 0.98
Evidence that ATP acts at two sites to evoke contraction in the rat isolated tail artery. Br J Pharmacol (1998) 0.98
Nitrogenase in Azotobacter chroococcum and Klebsiella pneumoniae. Biochem Soc Trans (1975) 0.97
Perseverative behavior in Alzheimer's disease and subcortical ischemic vascular dementia. Neuropsychology (1997) 0.97
The utility of polysporin ointment in the eradication of methicillin-resistant Staphylococcus aureus colonization: a pilot study. Infect Control Hosp Epidemiol (2000) 0.95
Painful connection for ATP. Nature (1995) 0.95
Investigation of a multiyear multiple critical care unit outbreak due to relatively drug-sensitive Acinetobacter baumannii: risk factors and attributable mortality. J Infect Dis (1996) 0.95
Influence of plasma glucose concentration on lumped constant of the deoxyglucose method: effects of hyperglycemia in the rat. J Cereb Blood Flow Metab (1990) 0.95
Prevalence of radiologically isolated syndrome and white matter signal abnormalities in healthy relatives of patients with multiple sclerosis. AJNR Am J Neuroradiol (2013) 0.94
Composition of gall bladder stones associated with octreotide: response to oral ursodeoxycholic acid. Gut (1995) 0.94
Clinical practice guideline on the use of manipulation or mobilization in the treatment of adults with mechanical neck disorders. Man Ther (2002) 0.94
Prognostic significance of DNA repair proteins MLH1, MSH2 and MGMT expression in non-small-cell lung cancer and precursor lesions. Histopathology (2008) 0.94
Homocystinuria: a report in two siblings. Pediatrics (1965) 0.94
Impact of colonoscopic screening in male and female Lynch syndrome carriers with an MSH2 mutation. Clin Genet (2011) 0.93
Increases in local cerebral blood flow associated with somatosensory activation are not mediated by NO. Am J Physiol (1994) 0.93
Vancomycin-resistant enterococci on a renal ward in an Ontario hospital. Can Commun Dis Rep (1996) 0.93