Zaiga Johnson

University of Colorado Health — United States

Biochemistry, Genetics and Molecular Biology · Life Sciences

14h-index1.5kcitations15works0.02yr avg
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Research Topics

Bacterial Genetics and Biotechnology(9), Bacterial biofilms and quorum sensing(7), Antibiotic Resistance in Bacteria(5), Iron Metabolism and Disorders(2), Bacteriophages and microbial interactions(2)

Publications15 total

Characterization of an Endoprotease (PrpL) Encoded by a PvdS-Regulated Gene in<i>Pseudomonas aeruginosa</i>
Infection and Immunity·2001· 193 citedOpen Access
Genetic and biochemical analyses of a eukaryotic‐like phospholipase D of <i>Pseudomonas aeruginosa</i> suggest horizontal acquisition and a role for persistence in a chronic pulmonary infection model
Molecular Microbiology·2001· 100 cited
The Oxygen‐ and Iron‐Dependent Sigma Factor<i>pvdS</i>of<i>Pseudomonas aeruginosa</i>Is an Important Virulence Factor in Experimental Infective Endocarditis
The Journal of Infectious Diseases·2000· 53 cited
Genetics and regulation of two distinct haem-uptake systems, phu and has, in Pseudomonas aeruginosa The GenBank accession numbers for the sequences reported in this paper are AF055999, AF127222, and AF127223.
Microbiology·2000· 305 cited
The <i>pvc</i> Gene Cluster of <i>Pseudomonas aeruginosa</i> : Role in Synthesis of the Pyoverdine Chromophore and Regulation by PtxR and PvdS
Journal of Bacteriology·1999· 102 citedOpen Access
Bacterioferritin A Modulates Catalase A (KatA) Activity and Resistance to Hydrogen Peroxide in <i>Pseudomonas aeruginosa</i>
Journal of Bacteriology·1999· 148 citedOpen Access
<i>Pseudomonas aeruginosa fur</i> Overlaps with a Gene Encoding a Novel Outer Membrane Lipoprotein, OmlA
Journal of Bacteriology·1999· 94 citedOpen Access
The Fur-Regulated Gene Encoding the Alternative Sigma Factor PvdS Is Required for Iron-Dependent Expression of the LysR-Type Regulator PtxR in <i>Pseudomonas aeruginosa</i>
Journal of Bacteriology·1998· 53 citedOpen Access
An operon containing fumC and sodA encoding fumarase C and manganese superoxide dismutase is controlled by the ferric uptake regulator in Pseudomonas aeruginosa: fur mutants produce elevated alginate levels
Journal of Bacteriology·1997· 104 cited
<b>Exotoxin A production in <i>Pseudomonas aeruginosa</i> requires the iron‐regulated <i>pvdS</i> gene encoding an alternative sigma factor</b>
Molecular Microbiology·1996· 135 cited
<b>Ferric uptake regulator mutants of <i>Pseudomonas aeruginosa</i> with distinct alterations in the iron‐dependent repression of exotoxin A and siderophores in aerobic and microaerobic environments</b>
Molecular Microbiology·1996· 112 cited
Comparative Antibiotic Susceptibilities of Anaerobes Associated with Infections of the Female Reproductive Tract
Clinical Infectious Diseases·1993· 3 cited
Rapid radiometric method for pyrazinamide susceptibility testing of Mycobacterium tuberculosis
Research in Microbiology·1989· 28 cited
Possible Dual Function of M Protein: Resistance to Bacteriophage A25 and Resistance to Phagocytosis by Human Leukocytes
Infection and Immunity·1977· 25 citedOpen Access
Genetic instability of M protein and serum opacity factor of group A streptocci: evidence suggesting extrachromosomal control
Infection and Immunity·1975· 36 citedOpen Access

Frequent Co-authors

Michael L. Vasil(11), Urs A. Ochsner(8), Adriana I. Vasil(4), Paula J. Wilderman(2), Heather E. Cunliffe(2), Iain L. Lamont(2), Michael J. Howell(2), Daniel J. Hassett(2), P. Patrick Cleary(2), Megan J. Wilson(1), Ju-Fang Ma(1), Martin G. Klotz(1), Vagira K. Nanayakkara(1), James E. Posey(1), John J. Monaco(1), Hazel A. Barton(1), Charles D. Cox(1), Gary E. Dean(1), Alain Stintzi(1), Martin Stonehouse(1)