Publications by authors named "Helmut Hirt"

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Dynamics of plasmid-mediated niche invasion, immunity to invasion, and pheromone-inducible conjugation in the murine gastrointestinal tract.
Helmut Hirt, Kerryl E Greenwood-Quaintance, Aaron M T Barnes, Melissa J Karau, Lisa M Till

Nat Commun· March 2022

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Polymer Adhesin Domains in Gram-Positive Cell Surface Proteins.
Michael A Järvå, Helmut Hirt, Gary M Dunny, Ronnie P-A Berntsson

Front Microbiol· November 2020

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Enterococcal PrgA Extends Far Outside the Cell and Provides Surface Exclusion to Protect against Unwanted Conjugation.
Andreas Schmitt, Helmut Hirt, Michael A Järvå, Wei-Sheng Sun, Josy Ter Beek

J Mol Biol· September 2020

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A new flavor of entry exclusion in ICE elements provides a selective advantage for the element and its host.
Gary M Dunny, Helmut Hirt

Mol Microbiol· October 2019

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Mechanistic Features of the Enterococcal pCF10 Sex Pheromone Response and the Biology of Enterococcus faecalis in Its Natural Habitat.
Rebecca J Breuer, Helmut Hirt, Gary M Dunny

J Bacteriol· July 2018

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A D-enantiomer of the antimicrobial peptide GL13K evades antimicrobial resistance in the Gram positive bacteria Enterococcus faecalis and Streptococcus gordonii.
Helmut Hirt, Jeffrey W Hall, Elliot Larson, Sven-Ulrik Gorr

PLoS One· July 2018

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Sex Pheromone cCF10 Enhances Conjugative Plasmid Transfer .
Helmut Hirt, Kerryl E Greenwood-Quaintance, Melissa J Karau, Lisa M Till, Purna C Kashyap

mBio· February 2018

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Antimicrobial GL13K peptide coatings killed and ruptured the wall of Streptococcus gordonii and prevented formation and growth of biofilms.
Xi Chen, Helmut Hirt, Yuping Li, Sven-Ulrik Gorr, Conrado Aparicio

PLoS One· June 2015

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Antimicrobial peptide GL13K is effective in reducing biofilms of Pseudomonas aeruginosa.
Helmut Hirt, Sven-Ulrik Gorr

Antimicrob Agents Chemother· October 2013

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Lysine substitutions convert a bacterial-agglutinating peptide into a bactericidal peptide that retains anti-lipopolysaccharide activity and low hemolytic activity.
Mahsa Abdolhosseini, Seshagiri R Nandula, Jonathan Song, Helmut Hirt, Sven-Ulrik Gorr

Peptides· June 2012

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Horizontal transfer of the tetracycline resistance gene tetM mediated by pCF10 among Enterococcus faecalis in the house fly (Musca domestica L.) alimentary canal.
Mastura Akhtar, Helmut Hirt, Ludek Zurek

Microb Ecol· October 2009

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Antibiotic resistance of enterococci in American bison (Bison bison) from a nature preserve compared to that of Enterococci in pastured cattle.
John F Anderson, Torrey D Parrish, Mastura Akhtar, Ludek Zurek, Helmut Hirt

Appl Environ Microbiol· March 2008

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A paracrine peptide sex pheromone also acts as an autocrine signal to induce plasmid transfer and virulence factor expression in vivo.
Josephine R Chandler, Helmut Hirt, Gary M Dunny

Proc Natl Acad Sci U S A· October 2005

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Transcriptional response of Enterococcus faecalis V583 to erythromycin.
Agot Aakra, Heidi Vebø, Lars Snipen, Helmut Hirt, Are Aastveit

Antimicrob Agents Chemother· June 2005

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Characterization of the pheromone response of the Enterococcus faecalis conjugative plasmid pCF10: complete sequence and comparative analysis of the transcriptional and phenotypic responses of pCF10-containing cells to pheromone induction.
Helmut Hirt, Dawn A Manias, Edward M Bryan, Joanna R Klein, Jesper K Marklund

J Bacteriol· February 2005

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An amino-terminal domain of Enterococcus faecalis aggregation substance is required for aggregation, bacterial internalization by epithelial cells and binding to lipoteichoic acid.
Christopher M Waters, Helmut Hirt, John K McCormick, Patrick M Schlievert, Carol L Wells

Mol Microbiol· May 2004

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Enterococcal aggregation substance and binding substance are not major contributors to urinary tract colonization by Enterococcus faecalis in a mouse model of ascending unobstructed urinary tract infection.
James R Johnson, Connie Clabots, Helmut Hirt, Christopher Waters, Gary Dunny

Infect Immun· April 2004

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In vivo induction of virulence and antibiotic resistance transfer in Enterococcus faecalis mediated by the sex pheromone-sensing system of pCF10.
Helmut Hirt, Patrick M Schlievert, Gary M Dunny

Infect Immun· February 2002

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