Publications by authors named "Christopher Harmer"

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One resistance gene, many transposons: repeated formation of compound and pseudo-compound transposons carrying the aphA1 kanamycin and neomycin resistance gene.
Christopher J Harmer, Ruth M Hall

J Antimicrob Chemother· December 2025

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Evolution of an extensively antibiotic resistant sublineage of lineage 1 of GC1 Acinetobacter baumannii.
Christopher J Harmer, Ting L Luo, Francois Lebreton, Patrick T McGann, Ruth M Hall

NPJ Antimicrob Resist· May 2025

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An nasal carriage isolate recovered from an asymptomatic patient in Vietnam is extensively antibiotic resistant and produces a rare K71 type capsule.
Anna M Shpirt, Christopher J Harmer, Alexander S Shashkov, Mikhail M Shneider, Alexander O Chizhov

Microbiol Spectr· October 2024

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Distribution and expression of the aac(6')-Im (aacA16) aminoglycoside resistance gene.
Christopher J Harmer, Messiah J Nelson, Francois Lebreton, Paphavee Lertsethtakarn, Patrick T McGann

J Antimicrob Chemother· July 2024

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IS and the IS family: versatile resistance gene movers and genome reorganizers.
Christopher J Harmer, Ruth M Hall

Microbiol Mol Biol Rev· June 2024

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Aminoglycoside resistance genes in early members of the Acinetobacter baumannii ST78A (SMAL, Italian clone) reside in an IS26-bounded island in the chromosome.
Christopher J Harmer, Sarah M Cahill, Johanna J Kenyon, Ruth M Hall

J Antimicrob Chemother· May 2024

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The RuvABC Holliday Junction Processing System Is Not Required for IS-Mediated Targeted Conservative Cointegrate Formation.
Carol H Pong, Jade E Peace, Christopher J Harmer, Ruth M Hall

Microbiol Spectr· August 2023

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Acinetobacter baumannii GC2 Sublineage Carrying the (')- Amikacin, Netilmicin, and Tobramycin Resistance Gene Cassette.
Christopher J Harmer, Steven J Nigro, Ruth M Hall

Microbiol Spectr· August 2023

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Identification of an Outbreak Cluster of Extensively Antibiotic-Resistant GC1 Acinetobacter baumannii Isolates in U.S. Military Treatment Facilities.
Ting L Luo, Christopher J Harmer, Francois Lebreton, Jason Stam, Jason W Bennett

Microbiol Spectr· June 2023

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Characterisation of an early South African multiply antibiotic-resistant global clone 1 Acinetobacter baumannii isolate.
Stephanie J Ambrose, Pierre Ibri, Christopher J Harmer, Carol H Pong, Ruth M Hall

J Glob Antimicrob Resist· June 2023

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IS26-mediated loss of the translocatable unit from Tn4352B requires the presence of the recA1 allele.
Carol H Pong, Jade E Peace, Christopher J Harmer, Ruth M Hall

Plasmid· March 2023

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Insertion sequences related to ISAjo2 target p and sites and belong to a new IS family, the IS family.
Christopher J Harmer, Carol H Pong, Ruth M Hall

Microb Genom· March 2023

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Mechanisms of IS-Mediated Amplification of the Gene Leading to Tobramycin Resistance in an Acinetobacter baumannii Isolate.
Christopher J Harmer, Francois Lebreton, Jason Stam, Patrick T McGann, Ruth M Hall

Microbiol Spectr· October 2022

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Complete genome of the extensively antibiotic-resistant GC1 Acinetobacter baumannii isolate MRSN 56 reveals a novel route to fluoroquinolone resistance.
Christopher J Harmer, Francois Lebreton, Jason Stam, Patrick T McGann, Ruth M Hall

J Antimicrob Chemother· June 2022

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Evolution of Acinetobacter baumannii plasmids carrying the oxa58 carbapenemase resistance gene via plasmid fusion, IS26-mediated events and dif module shuffling.
Naomi I Jones, Christopher J Harmer, Mohammad Hamidian, Ruth M Hall

Plasmid· May 2022

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Variants of Tn, a Novel Tn Family Transposon Carrying the Metallo-β-Lactamase and 14 Copies of the Amikacin Resistance Genes Found in Acinetobacter baumannii.
Riti Mann, Rayane Rafei, Cindy Gunawan, Christopher J Harmer, Mohammad Hamidian

Microbiol Spectr· February 2022

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HI1 and I1 Resistance Plasmids from Serovar Typhimurium Strain SRC27 Are Epidemic.
Christopher J Harmer

Microb Drug Resist· November 2021

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Characterization of the specific DNA-binding properties of Tnp26, the transposase of insertion sequence IS26.
Carol H Pong, Christopher J Harmer, Janine K Flores, Sandro F Ataide, Ruth M Hall

J Biol Chem· October 2021

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A brief guide to correct annotation of IS26 and variants.
Christopher J Harmer, Carol H Pong, Ruth M Hall

J Antimicrob Chemother· July 2021

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IS26 cannot move alone.
Christopher J Harmer, Ruth M Hall

J Antimicrob Chemother· May 2021

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Targeted Conservative Cointegrate Formation Mediated by IS Family Members Requires Sequence Identity at the Reacting End.
Christopher J Harmer, Ruth M Hall

mSphere· January 2021

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Structures bounded by directly-oriented members of the IS26 family are pseudo-compound transposons.
Christopher J Harmer, Carol H Pong, Ruth M Hall

Plasmid· September 2020

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The Complete Nucleotide Sequence of pZM3, a 1970 FIA:FIB:FII Plasmid Carrying Antibiotic Resistance and Virulence Determinants.
Christopher J Harmer, Ruth M Hall

Microb Drug Resist· May 2020

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IS Family Members IS and IS Also Form Cointegrates by Copy-In and Targeted Conservative Routes.
Christopher J Harmer, Ruth M Hall

mSphere· January 2020

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An analysis of the IS/IS family of insertion sequences: is it a single family?
Christopher J Harmer, Ruth M Hall

Microb Genom· September 2019

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