Search Results - "DA SILVA NETO, José F"
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1
Regulation of Catalase-Peroxidase KatG Is OxyR Dependent and Fur Independent in Caulobacter crescentus
Published in Journal of Bacteriology (01-04-2011)“…Article Usage Stats Services JB Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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2
The Regulatory Protein ChuP Connects Heme and Siderophore-Mediated Iron Acquisition Systems Required for Chromobacterium violaceum Virulence
Published in Frontiers in cellular and infection microbiology (11-05-2022)“…is an environmental Gram-negative beta-proteobacterium that causes systemic infections in humans. uses siderophore-based iron acquisition systems to overcome…”
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3
Editorial: Metal homeostasis in microbial physiology and virulence
Published in Frontiers in cellular and infection microbiology (22-03-2023)Get full text
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4
CztR, a LysR-Type Transcriptional Regulator Involved in Zinc Homeostasis and Oxidative Stress Defense in Caulobacter crescentus
Published in Journal of Bacteriology (01-10-2010)“…Article Usage Stats Services JB Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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5
The Single Extracytoplasmic-Function Sigma Factor of Xylella fastidiosa Is Involved in the Heat Shock Response and Presents an Unusual Regulatory Mechanism
Published in Journal of Bacteriology (01-01-2007)“…Article Usage Stats Services JB Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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6
A quorum-sensing regulatory cascade for siderophore-mediated iron homeostasis in Chromobacterium violaceum
Published in mSystems (16-04-2024)“…Iron is a transition metal used as a cofactor in many biochemical reactions. In bacteria, iron homeostasis involves Fur-mediated de-repression of iron uptake…”
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7
Global transcriptional response of Caulobacter crescentus to iron availability
Published in BMC genomics (13-08-2013)“…In the alpha subclass of proteobacteria iron homeostasis is controlled by diverse iron responsive regulators. Caulobacter crescentus, an important freshwater…”
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8
Effects of additives in wet brewery residue silage on lamb carcass traits and meat quality
Published in Tropical animal health and production (01-12-2021)“…The objective was to evaluate the use of wet brewery residue (WBR) silage additives on carcass characteristics and sheep meat quality. Thirty-two Santa Inês…”
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9
Chromobacterium violaceum Pathogenicity: Updates and Insights from Genome Sequencing of Novel Chromobacterium Species
Published in Frontiers in microbiology (10-11-2017)“…is an abundant component of the soil and water microbiota in tropical and subtropical regions around the world. For many years, it was mainly known as a…”
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10
Ohr – OhrR, a neglected and highly efficient antioxidant system: Structure, catalysis, phylogeny, regulation, and physiological roles
Published in Free radical biology & medicine (20-05-2022)“…Ohrs (organic hydroperoxide resistance proteins) are antioxidant enzymes that play central roles in the response of microorganisms to organic peroxides. Here,…”
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Substrate and Product-Assisted Catalysis: Molecular Aspects behind Structural Switches along Organic Hydroperoxide Resistance Protein Catalytic Cycle
Published in ACS catalysis (19-06-2020)“…Bacteria contain a large repertoire of enzymes to decompose oxidants, such as hydroperoxides. Among them, organic hydroperoxide resistance (Ohr) proteins play…”
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12
Fur controls iron homeostasis and oxidative stress defense in the oligotrophic alpha-proteobacterium Caulobacter crescentus
Published in Nucleic acids research (01-08-2009)“…In most bacteria, the ferric uptake regulator (Fur) is a global regulator that controls iron homeostasis and other cellular processes, such as oxidative stress…”
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13
Interplay between two quorum sensing‐regulated pathways, violacein biosynthesis and VacJ/Yrb, dictates outer membrane vesicle biogenesis in Chromobacterium violaceum
Published in Environmental microbiology (01-06-2020)“…Summary Outer membrane vesicles (OMVs) are lipid nanoparticles released by Gram‐negative bacteria, which play multiple roles in bacterial physiology and…”
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14
The MarR family regulator OsbR controls oxidative stress response, anaerobic nitrate respiration, and biofilm formation in Chromobacterium violaceum
Published in BMC microbiology (04-11-2021)“…Chromobacterium violaceum is an environmental opportunistic pathogen that causes rare but deadly infections in humans. The transcriptional regulators that C…”
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15
A Quorum Sensing-Regulated Type VI Secretion System Containing Multiple Nonredundant VgrG Proteins Is Required for Interbacterial Competition in Chromobacterium violaceum
Published in Microbiology spectrum (31-08-2022)“…The environmental pathogenic bacterium Chromobacterium violaceum kills Gram-positive bacteria by delivering violacein packed into outer membrane vesicles, but…”
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EmrR-Dependent Upregulation of the Efflux Pump EmrCAB Contributes to Antibiotic Resistance in Chromobacterium violaceum
Published in Frontiers in microbiology (15-11-2018)“…is an environmental Gram-negative bacterium that causes infections in humans. Treatment of infections is difficult and little is known about the mechanisms of…”
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Analysis of the organic hydroperoxide response of Chromobacterium violaceum reveals that OhrR is a cys-based redox sensor regulated by thioredoxin
Published in PloS one (11-10-2012)“…Organic hydroperoxides are oxidants generated during bacterial-host interactions. Here, we demonstrate that the peroxidase OhrA and its negative regulator OhrR…”
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The Zinc Transporter ZnuABC Is Critical for the Virulence of Chromobacterium violaceum and Contributes to Diverse Zinc-Dependent Physiological Processes
Published in Infection and immunity (15-10-2021)“…Chromobacterium violaceum is a ubiquitous environmental bacterium that causes sporadic life-threatening infections in humans. How C. violaceum acquires zinc to…”
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Role of σ⁵⁴ in the regulation of genes involved in type I and type IV pili biogenesis in Xylella fastidiosa
Published in Archives of microbiology (2008)“…The phytopathogen Xylella fastidiosa produces long type IV pili and short type I pili involved in motility and adhesion. In this work, we have investigated the…”
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20
Insertional transposon mutagenesis in the Xylella fastidiosa Citrus Variegated Chlorosis strain with transposome
Published in Current microbiology (01-04-2004)“…To overcome the difficulty in obtaining mutants of the citrus strains of Xylella fastidiosa, we evaluated mutagenesis using the transposome system as a tool…”
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