Published in Science on May 01, 1964
Eco-evolutionary dynamics. Philos Trans R Soc Lond B Biol Sci (2009) 2.32
Evolution of bird eggs in the absence of cuckoo parasitism. Proc Natl Acad Sci U S A (2005) 1.63
Longitudinal trends in climate drive flowering time clines in North American Arabidopsis thaliana. Ecol Evol (2012) 0.96
Human influences on evolution, and the ecological and societal consequences. Philos Trans R Soc Lond B Biol Sci (2017) 0.90
Epigenetic Variation May Compensate for Decreased Genetic Variation with Introductions: A Case Study Using House Sparrows (Passer domesticus) on Two Continents. Genet Res Int (2012) 0.85
Local adaptation within a hybrid species. Heredity (Edinb) (2013) 0.83
Tests of ecogeographical relationships in a non-native species: what rules avian morphology? Oecologia (2016) 0.81
Fluctuating selection and immigration as determinants of the phenotypic composition of a population. Oecologia (2013) 0.77
Temporal Stability of Molecular Diversity Measures in Natural Populations of Drosophila pseudoobscura and Drosophila persimilis. J Hered (2015) 0.77
Methods of multilocus enzyme electrophoresis for bacterial population genetics and systematics. Appl Environ Microbiol (1986) 24.31
Genetic diversity and structure in Escherichia coli populations. Science (1980) 11.19
Standard reference strains of Escherichia coli from natural populations. J Bacteriol (1984) 11.16
Resolution of recent evolutionary divergence among Escherichia coli from related lineages: the application of pulsed field electrophoresis to molecular epidemiology. J Infect Dis (1990) 8.33
Multilocus genetic structure in natural populations of Escherichia coli. Proc Natl Acad Sci U S A (1983) 7.42
Genetic diversity and temporal variation in the E. coli population of a human host. Genetics (1981) 7.35
Genetic structure of populations of Legionella pneumophila. J Bacteriol (1985) 7.30
Enzyme polymorphism and genetic population structure in Escherichia coli and Shigella. J Gen Microbiol (1983) 7.28
Parallel evolution of virulence in pathogenic Escherichia coli. Nature (2000) 6.25
Genetic relationships of serologically nontypable and serotype b strains of Haemophilus influenzae. Infect Immun (1986) 5.92
Molecular genetic relationships of the salmonellae. Appl Environ Microbiol (1996) 5.66
Streptococcus pyogenes causing toxic-shock-like syndrome and other invasive diseases: clonal diversity and pyrogenic exotoxin expression. Proc Natl Acad Sci U S A (1991) 5.46
Intercontinental spread of a genetically distinctive complex of clones of Neisseria meningitidis causing epidemic disease. Proc Natl Acad Sci U S A (1986) 5.39
Genetic structure of Neisseria meningitidis populations in relation to serogroup, serotype, and outer membrane protein pattern. J Bacteriol (1987) 5.30
Evidence for clonal population structure in Escherichia coli. Proc Natl Acad Sci U S A (1984) 5.08
Genetic characterization of clones of the bacterium Listeria monocytogenes causing epidemic disease. Proc Natl Acad Sci U S A (1989) 5.00
Evolutionary genetics of the proline permease gene (putP) and the control region of the proline utilization operon in populations of Salmonella and Escherichia coli. J Bacteriol (1992) 4.50
Genetic diversity and relationships in populations of Bordetella spp. J Bacteriol (1986) 4.48
A population genetic framework for the study of invasive diseases caused by serotype b strains of Haemophilus influenzae. Proc Natl Acad Sci U S A (1985) 4.48
Geographic components of linkage disequilibrium in natural populations of Escherichia coli. Mol Biol Evol (1983) 4.11
Genetic diversity in relation to serotype in Escherichia coli. Infect Immun (1985) 4.11
Nucleotide polymorphism and evolution in the glyceraldehyde-3-phosphate dehydrogenase gene (gapA) in natural populations of Salmonella and Escherichia coli. Proc Natl Acad Sci U S A (1991) 3.97
Molecular genetic basis of allelic polymorphism in malate dehydrogenase (mdh) in natural populations of Escherichia coli and Salmonella enterica. Proc Natl Acad Sci U S A (1994) 3.90
Salmonella reference collection B (SARB): strains of 37 serovars of subspecies I. J Gen Microbiol (1993) 3.85
A single clone of Staphylococcus aureus causes the majority of cases of toxic shock syndrome. Proc Natl Acad Sci U S A (1990) 3.76
Identification of a high-virulence clone of type III Streptococcus agalactiae (group B Streptococcus) causing invasive neonatal disease. Proc Natl Acad Sci U S A (1989) 3.66
Genetic relationships and clonal structure of strains of Escherichia coli causing neonatal septicemia and meningitis. Infect Immun (1986) 3.57
Protein polymorphism and genic heterozygosity in a wild population of the house mouse (Mus musculus). Genetics (1969) 3.40
Sequence invariance of the antigen-coding central region of the phase 1 flagellar filament gene (fliC) among strains of Salmonella typhimurium. J Bacteriol (1990) 3.33
Relationship between evolutionary rate and cellular location among the Inv/Spa invasion proteins of Salmonella enterica. Proc Natl Acad Sci U S A (1995) 3.32
Genetic diversity and relationships among strains of Escherichia coli in the intestine and those causing urinary tract infections. Prog Allergy (1983) 3.12
Clonal population structure of encapsulated Haemophilus influenzae. Infect Immun (1988) 3.03
Reference collection of strains of the Salmonella typhimurium complex from natural populations. J Gen Microbiol (1991) 3.00
Genetic diversity and relationships among isolates of Rhizobium leguminosarum biovar phaseoli. Appl Environ Microbiol (1988) 2.98
Behavior and genetic variation in natural populations. Am Zool (1970) 2.86
Genetic structure of natural populations of the nitrogen-fixing bacterium Rhizobium meliloti. Appl Environ Microbiol (1990) 2.84
Recombination of Salmonella phase 1 flagellin genes generates new serovars. J Bacteriol (1990) 2.80
Genetic diversity and relationships of two pathovars of Pseudomonas syringae. J Gen Microbiol (1988) 2.80
Evolutionary genetics of the encapsulated strains of Haemophilus influenzae. Proc Natl Acad Sci U S A (1988) 2.68
Clonal diversity and host distribution in Bordetella bronchiseptica. J Bacteriol (1987) 2.59
Molecular evolution and mosaic structure of alpha, beta, and gamma intimins of pathogenic Escherichia coli. Mol Biol Evol (1999) 2.44
Recombinational basis of serovar diversity in Salmonella enterica. Proc Natl Acad Sci U S A (1994) 2.35
Paleoepidemiologic investigation of Legionnaires disease at Wadsworth Veterans Administration Hospital by using three typing methods for comparison of legionellae from clinical and environmental sources. J Clin Microbiol (1986) 2.34
Elephant seals: genetic variation and near extinction. Science (1974) 2.29
Clonal analysis of Escherichia coli O2:K1 isolated from diseased humans and animals. Infect Immun (1986) 2.27
Intergeneric transfer and recombination of the 6-phosphogluconate dehydrogenase gene (gnd) in enteric bacteria. Proc Natl Acad Sci U S A (1994) 2.26
Clonal diversity of Neisseria meningitidis from a population of asymptomatic carriers. Infect Immun (1988) 2.14
Characterization of Streptococcus agalactiae strains by multilocus enzyme genotype and serotype: identification of multiple virulent clone families that cause invasive neonatal disease. J Clin Microbiol (1995) 2.13
Distribution of multilocus genotypes of Escherichia coli within and between host families. J Hyg (Lond) (1984) 2.10
Legionella pneumophila serogroup Lansing 3 isolated from a patient with fatal pneumonia, and descriptions of L. pneumophila subsp. pneumophila subsp. nov., L. pneumophila subsp. fraseri subsp. nov., and L. pneumophila subsp. pascullei subsp. nov. J Clin Microbiol (1988) 2.06
Genetic relationships and clonal population structure of serotype 2 strains of Neisseria meningitidis. Infect Immun (1987) 2.04
Genetic relationships among the oral streptococci. J Bacteriol (1987) 2.02
Genetic diversity and population structure of Vibrio cholerae. J Clin Microbiol (1999) 2.00
Restriction fragment length polymorphisms among uropathogenic Escherichia coli isolates: pap-related sequences compared with rrn operons. Infect Immun (1990) 1.95
Sequence diversity of flagellin (fliC) alleles in pathogenic Escherichia coli. J Bacteriol (1999) 1.92
Genetic and phenotypic diversity among ampicillin-resistant, non-beta-lactamase-producing, nontypeable Haemophilus influenzae isolates. Infect Immun (1987) 1.86
Comparative genetics of the inv-spa invasion gene complex of Salmonella enterica. J Bacteriol (1997) 1.84
Diversity and sources of rapidly growing mycobacteria associated with infections following cardiac surgery. J Infect Dis (1989) 1.84
Evolutionary genetics of the isocitrate dehydrogenase gene (icd) in Escherichia coli and Salmonella enterica. J Bacteriol (1997) 1.82
Biochemical genetics of hybridisation in European house mice. Heredity (Edinb) (1973) 1.79
Clonal diversity in Haemophilus pleuropneumoniae. Infect Immun (1987) 1.78
Phylogenetic position of Rhizobium sp. strain Or 191, a symbiont of both Medicago sativa and Phaseolus vulgaris, based on partial sequences of the 16S rRNA and nifH genes. Appl Environ Microbiol (1992) 1.69
Characterization and clonal distribution of four alleles of the speA gene encoding pyrogenic exotoxin A (scarlet fever toxin) in Streptococcus pyogenes. J Exp Med (1991) 1.66
Conversion of Pseudomonas aeruginosa to the phenotype characteristic of strains from patients with cystic fibrosis. J Clin Microbiol (1990) 1.60
Urogenital, maternal and neonatal isolates of Haemophilus influenzae: identification of unusually virulent serologically non-typable clone families and evidence for a new Haemophilus species. J Gen Microbiol (1990) 1.59
Genetic structure of populations of Porphyromonas gingivalis associated with periodontitis and other oral infections. Infect Immun (1993) 1.58
The organization of genetic diversity in the parthenogenetic lizard Cnemidophorus tesselatus. Genetics (1976) 1.56
Genic variability and strategies of adaptation in animals. Proc Natl Acad Sci U S A (1973) 1.54
Association of infection caused by Pseudomonas aeruginosa serotype O11 with intravenous abuse of pentazocine mixed with tripelennamine. J Clin Microbiol (1984) 1.54
Biochemical polymorphism and systematics in the genus Peromyscus. VI. The boylii species group. J Mammal (1974) 1.52
Evolutionary origin and radiation of the avian-adapted non-motile salmonellae. J Med Microbiol (1993) 1.50
Genetic diversity of penicillin G-resistant Neisseria meningitidis from Spain. Infect Immun (1989) 1.50
Genic heterozygosity in a population of Eutamias panamintinus. J Mammal (1973) 1.48
Molecular genetic basis for complex flagellar antigen expression in a triphasic serovar of Salmonella. Proc Natl Acad Sci U S A (1991) 1.43
Self-fertilization and monogenic strains in natural populations of terrestrial slugs. Proc Natl Acad Sci U S A (1980) 1.39
Transmission of Neisseria meningitidis among asymptomatic military recruits and antibody analysis. Epidemiol Infect (1992) 1.39
The impact of chemotherapy on the care of patients with tuberculosis. Am Rev Respir Dis (1974) 1.38
Intercontinental spread of Neisseria meningitidis clones of the ET-5 complex. Antonie Van Leeuwenhoek (1987) 1.31
Typing of urogenital, maternal, and neonatal isolates of Haemophilus influenzae and Haemophilus parainfluenzae in correlation with clinical source of isolation and evidence for a genital specificity of H. influenzae biotype IV. J Clin Microbiol (1989) 1.29
Clonal analysis of Hemophilus influenzae isolated from children from Pakistan with lower respiratory tract infections. J Infect Dis (1989) 1.26
Species limits in Rhizobium populations that nodulate the common bean (Phaseolus vulgaris). Appl Environ Microbiol (1995) 1.23
Molecular Epidemiology of multiply resistant Haemophilus influenzae type b in day care centers. J Infect Dis (1987) 1.22
Size and sequence polymorphism in the isocitrate dehydrogenase kinase/phosphatase gene (aceK) and flanking regions in Salmonella enterica and Escherichia coli. Genetics (1997) 1.18
Characteristics of serogroup A Neisseria meningitidis responsible for an epidemic in Ethiopia, 1988-89. Scand J Infect Dis (1990) 1.18
The epidemiology of Pseudomonas aeruginosa in oncology patients in a general hospital. J Infect Dis (1989) 1.17
Clonal diversity and relationships among strains of Yersinia enterocolitica. J Clin Microbiol (1989) 1.17
Trophic radiation through polymorphism in cichlid fishes. Proc Natl Acad Sci U S A (1975) 1.17
Molecular population genetic evidence of horizontal spread of two alleles of the pyrogenic exotoxin C gene (speC) among pathogenic clones of Streptococcus pyogenes. Infect Immun (1992) 1.16
Temporal variation in bacterial disease frequency: molecular population genetic analysis of scarlet fever epidemics in Ottawa and in eastern Germany. J Infect Dis (1993) 1.16
Analysis of genetic variation by polymerase chain reaction-based nucleotide sequencing. Methods Enzymol (1994) 1.13
Differentiation between Actinobacillus (Haemophilus) actinomycetemcomitans, Haemophilus aphrophilus and Haemophilus paraphrophilus by multilocus enzyme electrophoresis. J Gen Microbiol (1990) 1.11
The effect of anemia on pulmonary diffusing capacity with derivation of a correction equation. Am Rev Respir Dis (1970) 1.07
Characterization of Neisseria meningitidis serogroup A strains from an outbreak in France by serotype, serosubtype, multilocus enzyme genotype and outer membrane protein pattern. Eur J Clin Microbiol Infect Dis (1991) 1.07
Brazilian purpuric fever: evolutionary genetic relationships of the case clone of Haemophilus influenzae biogroup aegyptius to encapsulated strains of Haemophilus influenzae. J Infect Dis (1990) 1.05
Genotypic heterogeneity of strains of Citrobacter diversus expressing a 32-kilodalton outer membrane protein associated with neonatal meningitis. J Clin Microbiol (1990) 1.05
Sequence diversity and molecular evolution of the leukotoxin (lktA) gene in bovine and ovine strains of Mannheimia (Pasteurella) haemolytica. J Bacteriol (2001) 1.01
Molecular area effects in Cepaea. Proc Natl Acad Sci U S A (1983) 1.00
Age-dependent allozymic variation in a natural population of lizards. Biochem Genet (1973) 0.98
Evolutionary genetics of Pasteurella haemolytica isolates recovered from cattle and sheep. Infect Immun (1997) 0.96
Identification of Haemophilus influenzae type b by a monoclonal antibody coagglutination assay. J Clin Microbiol (1987) 0.94