J. Calvo

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The leucine-responsive regulatory protein, a global regulator of metabolism in Escherichia coli

J. Calvo, R. Matthews, 1994, Microbiological reviews.

Transcription initiation sites of the leucine operons of Salmonella typhimurium and Escherichia coli.

J. Calvo, R. Gemmill, G. Haughn, 1983, Journal of molecular biology.

Molecular structure of ilvIH and its evolutionary relationship to ilvG in Escherichia coli K12.

J. Calvo, J. Devereux, M. De Felice, 1983, Nucleic acids research.

Transcription attenuation-mediated control of leu operon expression: influence of the number of Leu control codons

J. Calvo, H. Weith, J. Bartkus, 1991, Journal of bacteriology.

The nucleotide sequence of leuC from Salmonella typhimurium.

J. Calvo, E. R. Rosenthal, 1990, Nucleic acids research.

Distribution of the Isopropylmalate Pathway to Leucine Among Diverse Bacteria

J. Calvo, P. Vandemark, B. Stieglitz, 1974, Journal of bacteriology.

Nucleotide sequence of dihydrofolate reductase genes from trimethoprim-resistant mutants of Escherichia coli

Douglas R. Smith, J. Calvo, 1982, Molecular and General Genetics MGG.

Isolation of mosquito vitellogenin genes and induction of expression by 20-hydroxyecdysone

J. Calvo, M. Wolfner, R. Glaser, 1986 .

Expression and regulation of vitellogenin messenger RNA in the mosquito, Aedes aegypti

J. Calvo, R. Gemmill, H. Hagedorn, 1986 .

Transcription attenuation in Salmonella typhimurium: the significance of rare leucine codons in the leu leader.

J. Calvo, J. Bartkus, P. Carter, 1986, Proceedings of the National Academy of Sciences of the United States of America.

Effect of DNA superhelicity on transcription termination

J. Calvo, E. R. Rosenthal, 1987, Molecular and General Genetics MGG.

Regions of the Bacillus subtilis ilv-leu operon involved in regulation by leucine

J. Calvo, S. Zahler, J. Grandoni, 1993, Journal of bacteriology.

IlvHI locus of Salmonella typhimurium

J. Calvo, M. De Felice, C. Squires, 1983, Journal of bacteriology.

leu operon of Salmonella typhimurium is controlled by an attenuation mechanism.

S. Wessler, J. Calvo, R. Gemmill, 1979, Proceedings of the National Academy of Sciences of the United States of America.

Escherichia coli and Salmonella typhimurium. sequences upstream of leuABCD in High A + T content conserved in DNA

S. Wessler, J. Calvo, R. Gemmill, 2013 .

Sequence determinants of DNA bending in the ilvlH promoter and regulatory region of Escherichia coli.

J. Calvo, D. Fitzgerald, J. Anderson, 1994, Nucleic acids research.

Alpha-isopropylmalate synthase from Salmonella typhimurium--amino acid composition, NH 2 -terminal analysis, and fingerprint analysis.

J. Calvo, J. Bartholomew, 1971, Biochimica et biophysica acta.

Alpha-isopropylmalate synthase from Salmonella typhimurium. Carboxypeptidase digestion studies of parent and feedback-insensitive enzymes.

J. Calvo, J. Bartholomew, 1971, Biochimica et biophysica acta.

High A + T content conserved in DNA sequences upstream of leuABCD in Escherichia coli and Salmonella typhimurium

S. Wessler, J. Calvo, R. Gemmill, 1986, Journal of bacteriology.

NOTES HighA+T Content Conserved inDNA Sequences Upstream of leuABCDinEscherichia coli andSalmonella typhimurium

J. Calvo, R. Gemmill, G. Haughn, 1986 .

Unusual Organization oftheilvIH Promoter ofEscherichia coli

J. Calvo, C. T. Largo, 1985 .

Fluorometric assay of enzymatic reactions involving acetyl Coenzyme A in aldol condensations.

J. Calvo, J. Bartholomew, B. Stieglitz, 1969, Analytical biochemistry.

Transcription termination sites at the distal end of the leu operon of Salmonella typhimurium.

J. Calvo, E. R. Rosenthal, E. Rosenthal, 1987, Journal of molecular biology.

Expression of the Leucine Operon

H. E. Umbarger, J. Calvo, R. O. Burns, 1966, Journal of bacteriology.

The leucine-responsive regulatory protein, a global regulator of metabolism in Escherichia coli

J. Calvo, R. Matthews, 1994 .

Compounds Which Serve as the Sole Source of Carbon or Nitrogen for Salmonella typhimurium LT-2

Bruce N. Ames, B. Ames, J. Calvo, 1969, Journal of bacteriology.

A large family of bacterial activator proteins.

S Henikoff, S. Henikoff, J. Calvo, 1988, Proceedings of the National Academy of Sciences of the United States of America.

A multisite-mutation map of the leucine operon of Salmonella typhimurium.

J. Calvo, H. Worden, 1970, Genetics.

The nucleotide sequence of leuA from Salmonella typhimurium.

J. Calvo, E. Ricca, 1990, Nucleic acids research.

2-Isopropylmalate and 3-isopropylmalate as intermediates in leucine biosynthesis.

C. M. Stevens, J. Calvo, M. Kalyanpur, 1962, Biochemistry.

[107] Isolation and chemical estimation of α-isopropylmalate and β-isopropylmalate☆

J. Calvo, S. Gross, 1970 .

THE ABSOLUTE CONFIGURATION OF ALPHA-HYDROXY-BETA-CARBOXYISOCAPROIC ACID (3-ISOPROPYLMALIC ACID), AN INTERMEDIATE IN LEUCINE BIOSYNTHESIS.

H. E. Umbarger, C. M. Stevens, J. Calvo, 1964, Biochemistry.

The Leucine-responsive Regulatory Protein (Lrp) from Escherichia coli

J. Calvo, Yuhai Cui, Qing Wang, 1996, The Journal of Biological Chemistry.

Characterization of the 3′ end of the leucine operon of Salmonella typhimurium

J. Calvo, D. Friedberg, E. R. Rosenthal, 2004, Molecular and General Genetics MGG.

Control of leu operon expression in Escherichia coli by a transcription attenuation mechanism.

S. Wessler, J. Calvo, 1981, Journal of molecular biology.

Relationship Between Messenger Ribonucleic Acid and Enzyme Levels Specified by the Leucine Operon of Escherichia coli K-12

J. Calvo, M. Davis, 1977, Journal of bacteriology.

Recognition of an Escherichia Operator by a Salmonella Repressor

M. Brandriss, J. Calvo, 1971, Journal of bacteriology.

Leucine-regulated self-association of leucine-responsive regulatory protein (Lrp) from Escherichia coli.

S. Chen, J. Calvo, Shaolin Chen, 2001, Journal of molecular biology.

Mutations that convert the four leucine codons of the Salmonella typhimurium leu leader to four threonine codons

J. Calvo, H. Weith, D. Weiss, 1985, Journal of bacteriology.

A protein that binds to the regulatory region of the Escherichia coli ilvIH operon

J. Calvo, E. Ricca, D. Aker, 1989, Journal of bacteriology.

Nucleotide sequence of the E. coli gene coding for dihydrofolate reductase

Douglas R. Smith, D. Smith, J. Calvo, 2022 .

Regulation of dihydrofolate reductase synthesis in Escherichia coli

Douglas R. Smith, J. Calvo, 1979, Molecular and General Genetics MGG.

Cloning of an EcoRI-generated fragment of the leucine operon of Salmonella typhimurium.

J. Calvo, R. Gemmill, J. Jones, 1980, Gene.

Regulation of Dihydrofolate Reduetase Synthesis in Escherichia coli

Douglas R. Smith, J. Calvo, 1979 .

The nucleotide sequence of a rat myosin light chain 2 gene.

J. Calvo, M. Shani, Z. Levy, 1984, Nucleic acids research.

Acetolactate synthase isozyme III from Escherichia coli.

J. Calvo, Z. Barak, J. Schloss, 1988, Methods in enzymology.

The ilvIH operon of Escherichia coli K-12. Identification of the gene products and recognition of the translational start by polypeptide microsequencing.

J. Calvo, G. Marino, M. De Felice, 1985, Biochimica et biophysica acta.

Mutants of Salmonella typhimurium with an Altered Leucyl-Transfer Ribonucleic Acid Synthetase

J. Calvo, M. Freundlich, R. R. Alexander, 1971, Journal of bacteriology.

Effects of nutrition and growth rate on Lrp levels in Escherichia coli

J. Calvo, J. Wu, J. Landgraf, 1996, Journal of bacteriology.

Leucine-responsive regulatory protein controls the expression of both the pap and fan pili operons in Escherichia coli.

J. Calvo, M. W. van der Woude, M. W. Woude, 1992, Proceedings of the National Academy of Sciences of the United States of America.

Regulation of the Escherichia coli lrp gene

J. Calvo, J. Wu, D. Friedberg, 1994, Journal of bacteriology.

Lrp, a leucine-responsive protein, regulates branched-chain amino acid transport genes in Escherichia coli

S. Haney, J. Calvo, J. Platko, 1992, Journal of bacteriology.

Alternative secondary structures of leader RNAs and the regulation of the trp, phe, his, thr, and leu operons.

J. Calvo, E. Keller, 1979, Proceedings of the National Academy of Sciences of the United States of America.

Isolation and characterization of lambda pleu bacteriophages

J. Calvo, M. Davis, 1977, Journal of bacteriology.

flrB, a Regulatory Locus Controlling Branched-Chain Amino Acid Biosynthesis in Salmonella typhimurium

J. Calvo, J. Jones, D. Friedberg, 1974, Journal of bacteriology.

Leucyl-Transfer Ribonucleic Acid Synthetase from a Wild-Type and Temperature-Sensitive Mutant of Salmonella typhimurium

J. Calvo, B. Stieglitz, T. W. Mikulka, 1972, Journal of bacteriology.

Regulation of Branched-Chain Amino Acid Biosynthesis in Salmonella typhimurium: Isolation of Regulatory Mutants

H. E. Umbarger, J. Calvo, M. Freundlich, 1969, Journal of bacteriology.

Altered Leucyl-Transfer Ribonucleic Acid

J. Calvo, M. Freundlich, R. R. Alexander, 2022 .

Leucyl-Transfer Ribonucleic Acid Synthetase

Stieglitz, J. Calvo, L., 2022 .

Transcription attenuation is the major mechanism by which the leu operon of Salmonella typhimurium is controlled.

S. Wessler, J. Calvo, L. L. Searles, 1983, Journal of Molecular Biology.

Operator constitutive mutations in the leucine operon of Salmonella typhimurium.

H. E. Umbarger, J. Calvo, P. Morgolin, 1969, Genetics.

A Salmonella typhimurium locus involved in the regulation of isoleucine, valine and leucine biosynthesis.

J. Calvo, R. R. Alexander, 1969, Genetics.

Lack of End-Product Inhibition and Repression of Leucine Synthesis in a Strain of Salmonella typhimurium

J. Calvo, R. A. Calvo, 1967, Science.

Isolation andCharacterization ofXpleu Bacteriophages

J. Calvo, Michelle G. Davis, 1977 .

Amplification and modification of dihydrofolate reductase in Escherichia coli. Nucleotide sequence of fol genes from mutationally altered plasmids.

D. Smith, J. Calvo, J. Morrison, 1982, The Journal of biological chemistry.

Effect of 4-Azaleucine upon Leucine Metabolism in Salmonella typhimurium

J. Calvo, B. Stieglitz, 1971, Journal of bacteriology.

Leucine-induced dissociation of Escherichia coli Lrp hexadecamers to octamers.

J. Calvo, Shaolin Chen, Shaolin Chen, 2002, Journal of molecular biology.

Modulation of Lrp action in Escherichia coli by leucine: effects on non-specific binding of Lrp to DNA.

S. Chen, J. Calvo, Shaolin Chen, 2001, Journal of molecular biology.

A consensus sequence for binding of Lrp to DNA

G D Stormo, G. Stormo, J. Calvo, 1995, Journal of bacteriology.

The amino acid sequence of Lrp is highly conserved in four enteric microorganisms

J. Calvo, J. Platko, D. Friedberg, 1995, Journal of bacteriology.

Organization of Lrp‐binding sites upstream of ilvlH in Salmonella typhimurium

Ezio Ricca, J. Calvo, E. Ricca, 1993, Molecular microbiology.

Mutations affecting the ability of Escherichia coli Lrp to bind DNA, activate transcription, or respond to leucine

J. Calvo, J. Platko, 1993, Journal of bacteriology.

In vitro transcription from the Escherichia coli ilvIH promoter

J. Calvo, D. A. Willins, 1992, Journal of bacteriology.

Characterization of Lrp, and Escherichia coli regulatory protein that mediates a global response to leucine.

J. Calvo, J. Platko, D. A. Willins, 1991, The Journal of biological chemistry.

The ilvIH operon of Escherichia coli is positively regulated

J. Calvo, J. Platko, D. A. Willins, 1990, Journal of bacteriology.

Lrp, a global regulatory protein of Escherichia coli, binds co-operatively to multiple sites and activates transcription of ilvIH.

J. Calvo, Q. Wang, Qing Wang, 1993, Journal of molecular biology.

Cooperative binding of the leucine-responsive regulatory protein (Lrp) to DNA.

J. Calvo, Shaolin Chen, Maria Iannolo, 2005, Journal of molecular biology.

ilvIH Operon Expression in Escherichia coli Requires Lrp Binding to Two Distinct Regions of DNA

J. Calvo, Shaolin Chen, S. Jafri, 2002, Journal of bacteriology.

Global versus Local Regulatory Roles for Lrp-Related Proteins: Haemophilus influenzae as a Case Study

J. Calvo, D. Friedberg, M. Midkiff, 2001, Journal of bacteriology.

Wild-type and hexahistidine-tagged derivatives of leucine-responsive regulatory protein from Escherichia coli.

J. Calvo, R. Matthews, D. Friedberg, 2000, Methods in enzymology.

as a Case Study influenzae Haemophilus Lrp-Related Proteins : Global versus Local Regulatory Roles for

J. Calvo, D. Friedberg, M. Midkiff, 2001 .

Escherichia coli Lrp (Leucine-Responsive Regulatory Protein) Does Not Directly Regulate Expression of theleu Operon Promoter

J. Calvo, J. Landgraf, Jeffrey R. Landgraf, 1999, Journal of bacteriology.

Lrp, a major regulatory protein in Escherichia coli, bends DNA and can organize the assembly of a higher‐order nucleoprotein structure.

J. Calvo, Q. Wang, Qing Wang, 1993, The EMBO journal.

Escherichia coli B/r leuK mutant lacking pseudouridine synthase I activity

J. Calvo, J. Jones, M. Fournier, 1986, Journal of bacteriology.

Unusual organization of the ilvIH promoter of Escherichia coli

J. Calvo, M. De Felice, G. Haughn, 1985, Journal of bacteriology.

Acetohydroxy acid synthase isoenzymes of Escherichia coli K12 and Salmonella typhimurium.

J. Calvo, M. De Felice, C. Squires, 1982, Annales de microbiologie.

Physical characterization of the ilvHI operon of Escherichia coli K-12

S. Wessler, J. Calvo, M. De Felice, 1981, Journal of bacteriology.

Promoter mutation causing catabolite repression of the Salmonella typhimurium leucine operon

J. Calvo, M. Tripp, R. Gemmill, 1984, Journal of bacteriology.

Transcriptional regulation of the ilv-leu operon of Bacillus subtilis

J. Calvo, S. Zahler, J M Calvo, 1992, Journal of bacteriology.

Salmonella Locus Affecting Phosphoenolpyruvate Synthase Activity Identified by a Deletion Analysis

J. Calvo, M. Goodman, M. Salgo, 1971, Journal of bacteriology.

Transcriptional proofreading in Escherichia coli.

J. L. Nelson, J. Calvo, J. Gallant, 1989, The EMBO journal.