Publications by authors named "Valdir Barth"

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Targeted removal of the 16S rRNA anti-Shine-Dalgarno sequence by a Mycobacterium tuberculosis MazF toxin.
Timothy W Sherrier, Valdir C Barth, Jason M Schifano, Julia R Greendyk, Nancy A Woychik

J Biol Chem· July 2025

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Phosphorylation of VapB antitoxins affects intermolecular interactions to regulate VapC toxin activity in .
Basanti Malakar, Valdir C Barth, Julia Puffal, Nancy A Woychik, Robert N Husson

J Bacteriol· October 2024

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Phosphorylation of VapB antitoxins affects intermolecular interactions to regulate VapC toxin activity in .
Basanti Malakar, Valdir Barth, Julia Puffal, Nancy Woychik, Robert N Husson

bioRxiv· May 2024

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Mycobacterium abscessus VapC5 toxin potentiates evasion of antibiotic killing by ribosome overproduction and activation of multiple resistance pathways.
Eduardo A Troian, Heather M Maldonado, Unnati Chauhan, Valdir C Barth, Nancy A Woychik

Nat Commun· June 2023

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tRNA Inactivating Mycobacterium tuberculosis VapBC Toxin-Antitoxin Systems as Therapeutic Targets.
Unnati Chauhan, Valdir C Barth, Nancy A Woychik

Antimicrob Agents Chemother· May 2022

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VapC4 toxin engages small ORFs to initiate an integrated oxidative and copper stress response.
Valdir C Barth, Unnati Chauhan, Jumei Zeng, Xiaoyang Su, Haiyan Zheng

Proc Natl Acad Sci U S A· August 2021

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The Sole MazF Toxin Targets tRNA to Impart Highly Selective, Codon-Dependent Proteome Reprogramming.
Valdir Cristovao Barth, Nancy A Woychik

Front Genet· February 2020

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Toxin-mediated ribosome stalling reprograms the Mycobacterium tuberculosis proteome.
Valdir C Barth, Ju-Mei Zeng, Irina O Vvedenskaya, Ming Ouyang, Robert N Husson

Nat Commun· July 2019

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Antimicrobial efficacy of 0.5% peracetic acid and EDTA with passive ultrasonic or manual agitation in an Enterococcus faecalis biofilm model.
Rafael C Hartmann, Lilian Neuvald, Valdir Barth, Jose Antônio Poli de Figueiredo, Sílvia Dias de Oliveira

Aust Endod J· April 2019

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Accurate target identification for Mycobacterium tuberculosis endoribonuclease toxins requires expression in their native host.
Melvilí Cintrón, Ju-Mei Zeng, Valdir C Barth, Jonathan W Cruz, Robert N Husson

Sci Rep· April 2019

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Detection and quantification of viable Bacillus cereus group species in milk by propidium monoazide quantitative real-time PCR.
Fernanda Cattani, Valdir C Barth, Jéssica S R Nasário, Carlos A S Ferreira, Sílvia D Oliveira

J Dairy Sci· April 2016

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Characterization of antimicrobial resistance in Salmonella enterica strains isolated from Brazilian poultry production.
Samara P Mattiello, Guilherme Drescher, Valdir C Barth, Carlos A S Ferreira, Sílvia D Oliveira

Antonie Van Leeuwenhoek· November 2015

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Heterogeneous persister cells formation in Acinetobacter baumannii.
Valdir Cristóvão Barth, Belisa Ávila Rodrigues, Grasiela Daiane Bonatto, Stephanie Wagner Gallo, Vany Elisa Pagnussatti

PLoS One· September 2014

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Sodium chloride affects propidium monoazide action to distinguish viable cells.
Valdir C Barth, Fernanda Cattani, Carlos A S Ferreira, Sílvia D de Oliveira

Anal Biochem· September 2012

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Effectiveness of the proton pump inhibitor omeprazole associated with calcium hydroxide as intracanal medication: an in vivo study.
Cláudia Wagner, Valdir Cristóvão Barth, Sílvia Dias de Oliveira, Maria Martha Campos

J Endod· September 2011

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Can we add chlorhexidine into glass ionomer cements for band cementation?
Marcel M Farret, Eduardo Martinelli de Lima, Eduardo G Mota, Hugo M S Oshima, Valdir Barth

Angle Orthod· May 2011

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