PubRank

A W Johnston

Author PubWeight™ 113.86‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 The nodD gene of Rhizobium leguminosarum is autoregulatory and in the presence of plant exudate induces the nodA,B,C genes. EMBO J 1985 4.39
2 Cloning of the symbiotic region of Rhizobium leguminosarum: the nodulation genes are between the nitrogenase genes and a nifA-like gene. EMBO J 1983 4.28
3 Bethanidine, Guanethidine, and Methyldopa in Treatment of Hypertension: a Within-patient Comparison. Br Med J 1968 3.89
4 Identification of the rhizobium strains in pea root nodules using genetic markers. J Gen Microbiol 1975 3.78
5 DNA sequence of the Rhizobium leguminosarum nodulation genes nodAB and C required for root hair curling. Nucleic Acids Res 1984 3.56
6 The Rhizobium leguminosarum nodulation gene nodF encodes a polypeptide similar to acyl-carrier protein and is regulated by nodD plus a factor in pea root exudate. EMBO J 1986 3.55
7 Molecular characterization and regulation of the rhizosphere-expressed genes rhiABCR that can influence nodulation by Rhizobium leguminosarum biovar viciae. J Bacteriol 1992 2.55
8 The Rhizobium nodulation gene nodO encodes a Ca2(+)-binding protein that is exported without N-terminal cleavage and is homologous to haemolysin and related proteins. EMBO J 1990 2.15
9 Evidence that DNA involved in the expression of nodulation (nod) genes in Rhizobium binds to the product of the regulatory gene nodD. Nucleic Acids Res 1987 1.75
10 One hundred requests for predictive testing for Huntington's disease. Clin Genet 1992 1.52
11 A familial pericentric inversion of chromosome 22 with a recombinant subject illustrating a 'pure' partial monosomy syndrome. J Med Genet 1985 1.51
12 Nodulation of legumes by Rhizobium: the recognized root? Cell 1986 1.48
13 Association between digital ischaemia and malignant disease. Br Med J 1967 1.46
14 Analysis of pss genes of Rhizobium leguminosarum required for exopolysaccharide synthesis and nodulation of peas: their primary structure and their interaction with psi and other nodulation genes. Mol Gen Genet 1988 1.41
15 Genetic epidemiology of Down's syndrome in Shetland. Hum Genet 1991 1.41
16 Congenital asymmetry. J Med Genet 1966 1.40
17 Chromosome survey of total population of mentally subnormal in North-East of Scotland. J Med Genet 1976 1.32
18 Training of medical geneticists. J Med Genet 1978 1.32
19 Transcription of rhiA, a gene on a Rhizobium leguminosarum bv. viciae Sym plasmid, requires rhiR and is repressed by flavanoids that induce nod genes. Mol Microbiol 1989 1.31
20 Start a DNA diagnostic service. BMJ 1988 1.29
21 Sequence of psi, a gene on the symbiotic plasmid of Rhizobium phaseoli which inhibits exopolysaccharide synthesis and nodulation and demonstration that its transcription is inhibited by psr, another gene on the symbiotic plasmid. Mol Gen Genet 1987 1.28
22 Tryptophan genes in Rhizobium--their organization and their transfer to other bacterial genera. Mol Gen Genet 1978 1.25
23 The Rhizobium--legume symbiosis. Proc R Soc Lond B Biol Sci 1979 1.25
24 The Rhizobium leguminosarum tonB gene is required for the uptake of siderophore and haem as sources of iron. Mol Microbiol 2001 1.22
25 Single and multiple mutations affecting properties of the regulatory gene nodD of Rhizobium. Mol Microbiol 1989 1.19
26 Antagonism of the hypotensive action of bethanidine and debrisoquine by tricyclic antidepressants. Lancet 1969 1.15
27 Prenatal diagnosis and family studies in a case of propionicacidaemia. Clin Genet 1975 1.11
28 Transcription of a Rhizobium leguminosarum biovar phaseoli gene needed for melanin synthesis is activated by nifA of Rhizobium and Klebsiella pneumoniae. Mol Microbiol 1988 1.10
29 Identification and DNA sequence of fixZ, a nifB-like gene from Rhizobium leguminosarum. Nucleic Acids Res 1984 1.10
30 Identification of nodX, a gene that allows Rhizobium leguminosarum biovar viciae strain TOM to nodulate Afghanistan peas. Mol Gen Genet 1988 1.09
31 Comparison of the chemotactic behaviour of Rhizobium leguminosarum with and without the nodulation plasmid. Mol Microbiol 1988 1.08
32 Emery-Dreifuss muscular dystrophy: localisation to Xq27.3----qter confirmed by linkage to the factor VIII gene. J Med Genet 1986 1.06
33 Regulatory functions of the three nodD genes of Rhizobium leguminosarum biovar phaseoli. Mol Microbiol 1990 1.05
34 Solute-binding protein-dependent ABC transporters are responsible for solute efflux in addition to solute uptake. Mol Microbiol 2001 1.04
35 Mixed inoculations with effective and ineffective strains of Rhizobium leguminosarum. J Appl Bacteriol 1976 1.04
36 Identification of two classes of Rhizobium phaseoli genes required for melanin synthesis, one of which is required for nitrogen fixation and activates the transcription of the other. Mol Gen Genet 1987 1.03
37 Secretion of the Rhizobium leguminosarum nodulation protein NodO by haemolysin-type systems. Mol Microbiol 1992 1.02
38 Analysis of three nodD genes in Rhizobium leguminosarum biovar phaseoli; nodD1 is preceded by noIE, a gene whose product is secreted from the cytoplasm. Mol Microbiol 1990 0.99
39 Angiokeratoma corporis diffusum with features of a mucopolysaccharidosis. J Med Genet 1980 0.98
40 Choreoathetosis in porto-systemic encephalopathy. J Neurol Neurosurg Psychiatry 1967 0.98
41 Cloning of a multicopy plasmid from the actinorhizad nitrogen-fixing bacterium Frankia sp. and determination of its restriction map. Gene 1985 0.96
42 Population norms for edge contrast sensitivity. Am J Optom Physiol Opt 1986 0.96
43 The development of the Melbourne low-vision ADL index: a measure of vision disability. Invest Ophthalmol Vis Sci 2001 0.95
44 Genetic aspects of angiokeratoma corporis diffusum. Ann Hum Genet 1966 0.94
45 The products of Rhizobium genes, psi and pss, which affect exopolysaccharide production, are associated with the bacterial cell surface. Mol Microbiol 1991 0.94
46 Effects of flavonoids released naturally from bean (Phaseolus vulgaris) on nodD-regulated gene transcription in Rhizobium leguminosarum bv. phaseoli. Mol Plant Microbe Interact 1992 0.94
47 The prevalence and patterns of care of Huntington's chorea in Grampian. Br J Psychiatry 1989 0.93
48 Incontinentia pigmenti in a boy with Klinefelter's syndrome. J Med Genet 1987 0.93
49 Characterization of the cycHJKL genes involved in cytochrome c biogenesis and symbiotic nitrogen fixation in Rhizobium leguminosarum. J Bacteriol 1995 0.92
50 Is the fur gene of Rhizobium leguminosarum essential? FEMS Microbiol Lett 1998 0.92
51 Partial trisomy 7 (q32----qter) syndrome in two children. J Med Genet 1986 0.92
52 The evolution of specificity in the legume-rhizobium symbiosis. Trends Ecol Evol 1989 0.92
53 High affinity iron acquisition in Rhizobium leguminosarum requires the cycHJKL operon and the feuPQ gene products, which belong to the family of two-component transcriptional regulators. Microbiology 1997 0.91
54 Rhizobium leguminosarum nodulation gene (nod) expression is lowered by an allele-specific mutation in the dicarboxylate transport gene dctB. Microbiology 1995 0.90
55 Linkage relationships of the angiokeratoma (Fabry) locus. Ann Hum Genet 1969 0.89
56 Cloning of the nodulation (nod) genes of Rhizobium phaseoli and their homology to R. leguminosarum nod DNA. Gene 1985 0.89
57 A weighted version of the Melbourne Low-Vision ADL Index: a measure of disability impact. Optom Vis Sci 2001 0.89
58 The fhu genes of Rhizobium leguminosarum, specifying siderophore uptake proteins: fhuDCB are adjacent to a pseudogene version of fhuA. Microbiology 1999 0.88
59 A Rhizobium leguminosarum mutant defective in symbiotic iron acquisition. J Bacteriol 1990 0.87
60 Tuberous sclerosis: prevalence in the Grampian region of Scotland. J Ment Defic Res 1989 0.86
61 A fertile woman with non-mosaic Turner's syndrome. Case report and review of the literature. Br J Obstet Gynaecol 1989 0.85
62 Analysis of the Rhizobium leguminosarum siderophore-uptake gene fhuA: differential expression in free-living bacteria and nitrogen-fixing bacteroids and distribution of an fhuA pseudogene in different strains. Microbiology 2000 0.84
63 Pleiotropic effects of regulatory ros mutants of Agrobacterium radiobacter and their interaction with Fe and glucose. Mol Plant Microbe Interact 1995 0.84
64 Effects of p-fluorophenylalanine on the induction of mutations in bacteriophage T4. I. 5-Bromouracil mutagenesis. Mutat Res 1975 0.83
65 Iron-dependent transcription of the regulatory gene ros of Agrobacterium radiobacter. Mol Plant Microbe Interact 1997 0.83
66 Angiokeratoma corporis diffusum. Some clinical aspects. Arch Dis Child 1968 0.83
67 Linkage in a family with X-linked Charcot-Marie-Tooth disease. Clin Genet 1989 0.83
68 Four further families informative for 1q and the Duffy blood group. Cytogenet Cell Genet 1978 0.83
69 Intragenic mutational spectra and hot spots. Mutat Res 1976 0.82
70 The psi operon of Rhizobium leguminosarum biovar phaseoli: identification of two genes whose products are located at the bacterial cell surface. Microbiology 1994 0.81
71 Linkage studies in hereditary angio-oedema. J Med Genet 1979 0.81
72 Disseminated histoplasmosis. J Infect 1984 0.81
73 Clinical horopter determination and the mechanism of binocular vision in anomalous correspondence. Ophthalmologica 1971 0.81
74 Expression of the exoY gene, required for exopolysaccharide synthesis in Agrobacterium, is activated by the regulatory ros gene. Microbiology 1996 0.81
75 The C-terminal domain of the Rhizobium leguminosarum chitin synthase NodC is important for function and determines the orientation of the N-terminal region in the inner membrane. Mol Microbiol 1996 0.81
76 X linked muscular dystrophy with contractures. J Med Genet 1986 0.80
77 Analysis of a Rhizobium leguminosarum gene encoding a protein homologous to glutathione S-transferases. Microbiology 1997 0.80
78 A genetic linkage study of a family with Norrie's disease. Eye (Lond) 1988 0.80
79 Rhizobium leguminosarum genes involved in early stages of nodulation. J Cell Sci Suppl 1985 0.79
80 Preliminary investigation of the responsiveness of the Melbourne Low Vision ADL index to low-vision rehabilitation. Optom Vis Sci 2001 0.79
81 Sequence and regulation of psrA, a gene on the Sym plasmid of Rhizobium leguminosarum biover phaseoli which inhibits transcription of the psi genes. Microbiology 1994 0.79
82 Drug hypersensitivity causing granulomatous interstitial nephritis. Am J Kidney Dis 1988 0.79
83 Pycnodysostosis. J Med Genet 1988 0.78
84 XYY individuals in a special school. Br J Psychiatry 1974 0.78
85 A patient with a dicentric Y chromosome. Clin Genet 1974 0.78
86 Cardiofaciocutaneous syndrome with new ectodermal manifestations. J Med Genet 1992 0.78
87 Genetic hydridization of root-nodule bacteria (Rhizobium). Basic Life Sci 1977 0.78
88 A chromosome survey of a population of mentally retarded persons. Birth Defects Orig Artic Ser 1974 0.77
89 Tuberous sclerosis--an unusual cause of seizures in an 18 year old. Scott Med J 1994 0.77
90 A putative ECF sigma factor gene, rpol, regulates siderophore production in Rhizobium leguminosarum. Mol Plant Microbe Interact 1999 0.77
91 Appearance of a novel form of plant glutamine synthetase during nodule development in Phaseolus vulgaris L. Planta 1983 0.77
92 Congenital hemihypertrophy. Br Med J 1973 0.75
93 The development of clinical genetics. J Med Genet 1981 0.75
94 Precision of diagnosis in clinical genetics. Br J Hosp Med 1992 0.75
95 Prenatal detection of Turner's syndrome in conjunction with trisomy 20 mosaicism (45,X/46, X, +0). J Med Genet 1981 0.75
96 Facial dysmorphism: a marker of autosomal dominant cranial diabetes insipidus. J Med Genet 1991 0.75
97 Visibility of traffic control devices: catering for the real observer. Ergonomics 1976 0.75
98 Effects of p-fluorophenylalanine on the induction of mutations in bacteriophage T4. II. Nitrous acid mutagenesis. Mutat Res 1975 0.75
99 Visual characteristics of low vision children. Optom Vis Sci 1990 0.75
100 Clinical geneticists. Lancet 1983 0.75
101 Isolated hypogonadotrophic hypogonadism: a family with autosomal dominant inheritance. Clin Endocrinol (Oxf) 1990 0.75
102 The importance of the test parameters in the clinical assessment of accommodative facility. Optom Vis Sci 1990 0.75
103 Prismatic effects of spherical ophthalmic lenses. Am J Optom Physiol Opt 1980 0.75
104 Color vision characteristics of visually impaired children. Optom Vis Sci 1990 0.75
105 General professional training at the senior house officer grade in the Grampian area. J R Coll Physicians Lond 1979 0.75
106 Visual detection of commencement of aircraft takeoff runs. Aviat Space Environ Med 1978 0.75
107 Increased sister-chromatid exchange frequency in patients receiving sulphasalazine therapy for ulcerative colitis. Mutat Res 1983 0.75
108 Ectrodactyly-mandibulo-facial dysostosis: case report and delineation of an entity. Clin Dysmorphol 1992 0.75
109 Royal Society discussion meeting: Prevention and Avoidance of Genetic Disease, held on 29 to 30 April 1987 at the Royal Society. J Med Genet 1988 0.75
110 A region of a Sym plasmid of Rhizobium leguminosarum biovar phaseoli has similarity to prokaryotic insertion sequences and to eukaryotic integrases. Plasmid 1996 0.75
111 Hereditary angioneurotic oedema. Lancet 1973 0.75
112 The training of medical geneticists in Britain. Am J Med Genet 1979 0.75
113 An accurate in vitro assessment of the corneal endothelium. Am J Optom Physiol Opt 1982 0.75
114 Linkage relationship of the loci for Anderson--Fabry disease and the Xg blood groups. Ann Hum Genet 1981 0.75
115 The purMN genes of Rhizobium leguminosarum and a superficial link with siderophore production. Mol Plant Microbe Interact 2000 0.75
116 Recording eye movements using coaxial cameras--applications for visual ergonomics and reading studies. Optom Vis Sci 1995 0.75
117 Near visual acuity tests using Chinese characters and the logMAR principle. Singapore Med J 1985 0.75
118 The NAP prism. Optom Vis Sci 1990 0.75
119 Cerebellar ataxia in infectious mononucleosis. Scott Med J 1986 0.75
120 The low vision clinic. Aust Fam Physician 1978 0.75