Constitutive competence for genetic transformation in Streptococcus pneumoniae caused by mutation of a transmembrane histidine kinase von Lacks, Sanford A., Greenberg, Bill

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Region of the streptococcal plasmid pMV158 required for conjugative mobilization von PRIEBE, S. D, LACKS, S. A

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A bifunctional protein in the folate biosynthetic pathway of Streptococcus pneumoniae with dihydroneopterin aldolase and hydroxymethyldihydropterin pyrophosphokinase activities von LOPEZ, P, LACKS, S. A

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Characterization of the polA Gene of Streptococcus pneumoniae and Comparison of the DNA Polymerase I It Encodes to Homologous Enzymes from Escherichia coli and Phage T7 von Lopez, P, Martinez, S, Diaz, A, Espinosa, M, Lacks, S A

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A cluster of four genes encoding enzymes for five steps in the folate biosynthetic pathway of Streptococcus pneumoniae von Lacks, S A, Greenberg, B, Lopez, P

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Sulfonamide resistance in Streptococcus pneumoniae: DNA sequence of the gene encoding dihydropteroate synthase and characterization of the enzyme von LOPEZ, P, ESPINOSA, M, GREENBERG, B, LACKS, S. A

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Lethal and mutagenic actions of N-methyl-N'-nitro-N-nitrosoguanidine potentiated by oxidized glutathione, a seemingly harmless substance in the cellular environment von Kumaresan, K R, Springhorn, S S, Lacks, S A

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The exoA gene of Streptococcus pneumoniae and its product, a DNA exonuclease with apurinic endonuclease activity von PUYET, A, GREENBERG, B, LACKS, S. A

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Identification and analysis of genes for tetracycline resistance and replication functions in the broad-host-range plasmid pLS1 von Lacks, Sanford A., Lopez, Paloma, Greenberg, Bill, Espinosa, Manuel

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DpnA, a Methylase for Single-Strand DNA in the Dpn II Restriction System, and Its Biological Function von Cerritelli, Susana, Springhorn, Sylvia S., Lacks, Sanford A.

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The rnhB gene encoding RNase HII of Streptococcus pneumoniae and evidence of conserved motifs in eucaryotic genes von Zhang, Y B, Ayalew, S, Lacks, S A

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Deoxyribonuclease I in mammalian tissues. Specificity of inhibition by actin von Lacks, S A

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Renaturation of enzymes after polyacrylamide gel electrophoresis in the presence of sodium dodecyl sulfate von Lacks, S A, Springhorn, S S

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Nucleotide sequence of the hexA gene for DNA mismatch repair in Streptococcus pneumoniae and homology of hexA to mutS of Escherichia coli and Salmonella typhimurium von PRIEBE, S. D, HADI, S. M, GREENBERG, B, LACKS, S. A

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Plasmid structural instability associated with pC194 replication functions von BALLESTER, S, LOPEZ, P, ESPINOSA, M, ALONSO, J. C, LACKS, S. A

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Nucleotide Sequence of the Dpn II DNA Methylase Gene of Streptococcus pneumoniae and Its Relationship to the dam Gene of Escherichia coli von Mannarelli, Bruno M., Balganesh, T. S., Greenberg, Bill, Springhorn, Sylvia S., Lacks, Sanford A.

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DNA sequence of folate biosynthesis gene sulD, encoding hydroxymethyldihydropterin pyrophosphokinase in Streptococcus pneumoniae, and characterization of the enzyme von Lopez, P, Greenberg, B, Lacks, S A

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Transformation-deficient mutants of piliated Neisseria gonorrhoeae von BISWAS, G. D, LACKS, S. A, SPARLING, P. F

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Streptococcus pneumoniae DNA polymerase I lacks 3'-to-5' exonuclease activity: localization of the 5'-to-3' exonucleolytic domain von DIAZ, A, PONS, M. E, LACKS, S. A, LOPEZ, P

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Role of uracil-DNA glycosylase in mutation avoidance by Streptococcus pneumoniae von Chen, J D, Lacks, S A

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