Publications by authors named "Christoffel Opperman"

Claim this Profile
D
Disseminated Mycobacterium simiae infection causing rhinosinusitis in a severely immunocompromised patient.
Christoffel Opperman, Nectarios Papavarnavas, Sally Candy, Sarishna Singh, Yonas Ghebrekristos

Int J Infect Dis· November 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
C
Clonal spread of Mycobacterium monacense strains among patients with extrapulmonary mycobacteriosis.
Christoffel Opperman, Aysha Ahmed, Marianna De Kock, Claudia Spies, Michael Biggel

Eur J Clin Microbiol Infect Dis· October 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
P
Population structure and emergence of resistance to new and repurposed drugs in XDR-TB: insights from a 10-year genomic study in the Western Cape, South Africa review.
Justice Tresor Ngom, Johannes Loubser, Elizna Maasdorp, Yonas Ghebrekristos, Sarishna Singh, Christoffel J Opperman

Front Cell Infect Microbiol· September 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
W
Waste to worth: diagnostic accuracy of Xpert MTB/XDR on contaminated liquid cultures to salvage the detection of drug-resistant tuberculosis.
Yonas Ghebrekristos, Erick Auma, Zama Mahlobo, Rouxjeane Venter, Natalie Beylis, Christoffel Opperman

J Clin Microbiol· August 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
M
Matrix-based DNA Extraction for Targeted Next-Generation Sequencing on Decontaminated Sputum Samples.
Jennifer Williams, Janré Steyn, Emilyn Costa Conceição, Felicia Bernita Wells, Melanie Grobbelaar, Christoffel Johannes Opperman

J Vis Exp· June 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
DNA extraction: Implications for NTM identification and amplicon sequencing.
Christoffel J Opperman, Salim Ben Amor, Greshan Kisten, Brendon C Mann, Janré Steyn

S Afr J Infect Dis· May 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
W
Waste to Worth: A diagnostic accuracy of Xpert MTB/XDR on contaminated liquid cultures to salvage the detection of drug-resistant tuberculosis.
Yonas Ghebrekristos, Erick Auma, Zama Mahlobo, Rouxjeane Venter, Natalie Beylis, Christoffel Opperman

Res Sq· April 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
M
Mixed nontuberculous mycobacteria in an immunocompromised patient with probable progressive multifocal leukoencephalopathy.
Christoffel Opperman, Janet Scott, Janre Steyn, Sarishna Singh, Yonas Ghebrekristos

IJID Reg· March 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
X
Xpert MTB/RIF Ultra-resistant and MTBDRsusceptible rifampicin results in people with tuberculosis: utility of FluoroType MTBDR and deep sequencing.
Yonas Ghebrekristos, Aysha Ahmed, Natalie Beylis, Sarishna Singh, Christoffel Opperman

Antimicrob Agents Chemother· March 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
P
Phage Therapy for : Overcoming Challenges, Unleashing Potential.
Christoffel Johannes Opperman, Adrian J Brink

Infect Dis Rep· March 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
A
A multicentre study comparing post-mortem SARS-CoV-2 antibody testing in Cape Town mortuaries.
Tayna Carlisle, Yuvika Vandayar, Laura Taylor, Itumeleng Molefe, Lorna J Martin, Christoffel Opperman

S Afr J Infect Dis· March 2025

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
I
Identification of nontuberculous mycobacteria using the GenoType CMdirect and GenoType Mycobacterium CM line probe assays in GeneXpert MTB/RIF Ultra negative sputum: A South African prevalence study.
Christoffel Opperman, Chaldene Johannes, Sarishna Singh, Yonas Ghebrekristos, Rob Warren

Diagn Microbiol Infect Dis· December 2024

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
T
Targeted deep sequencing of mycobacteria species from extrapulmonary sites not identified by routine line probe assays: A retrospective laboratory analysis of stored clinical cultures.
Christoffel Opperman, Janré Steyn, Megan Ceris Matthews, Sarishna Singh, Yonas Ghebrekristos

IJID Reg· December 2024

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
I
Isolation of pure non-tuberculous mycobacteria culture from a mixed growth with conventional microbiology: Techniques not to be forgotten.
Christoffel Opperman, Wafiqah Harricombe, Sarishna Singh, Yonas Ghebrekristos, Rob Warren

Indian J Tuberc· July 2024

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
I
Incorporating direct molecular diagnostics in management algorithms for nontuberculous mycobacteria: Is it high time?
Christoffel Johannes Opperman, Sarishna Singh, Wynand Goosen, Helen Cox, Rob Warren

IJID Reg· March 2024

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
M
Misdiagnosis of non-tuberculous mycobacteria as tuberculous by the GeneXpert MTB/RIF Ultra: Fact or fiction?
Christoffel J Opperman, Zethembe Ntshangase, Minkie Gumede, Sarishna Singh, Yonas Ghebrekristos

S Afr J Infect Dis· March 2024

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
P
Phages for the treatment of Mycobacterium species.
Christoffel Johannes Opperman, Justyna Wojno, Wynand Goosen, Rob Warren

Prog Mol Biol Transl Sci· June 2023

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
W
Withdrawing antibiotics in the terminally ill ICU patient: Should it be a road less travelled?
Christoffel J Opperman

J Intensive Care Soc· May 2023

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
A
Appropriate disposal of waste in the laboratory: Neglected but not forgotten.
Christoffel J Opperman, Sarishna Singh, Francois Barton

Afr J Lab Med· July 2022

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
A
A citywide, clonal outbreak of Pseudomonas aeruginosa.
Christoffel J Opperman, Clinton Moodley, Katie Lennard, Mariette Smith, Jabulani Ncayiyana

Int J Infect Dis· April 2022

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
T
Treating bacterial infections with bacteriophages in the 21st century.
Christoffel J Opperman, Justyna M Wojno, Adrian J Brink

S Afr J Infect Dis· March 2022

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
E
Exogenous fungal endophthalmitis in a potato farm worker.
Ghowa Booley, Raphael Chanda, Priscilla Daries, Clive Misland, Adrian J Brink, Christoffel J Opperman

S Afr J Infect Dis· December 2021

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
P
Performance of saliva and mid-turbinate swabs for detection of the beta variant in South Africa.
Chun Yat Chu, Gert Marais, Christoffel Opperman, Deelan Doolabh, Arash Iranzadeh

Lancet Infect Dis· October 2021

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
B
Barriers to disinfection of mobile touch screen devices amongst a multidisciplinary team in intensive care units at a tertiary hospital.
Christoffel J Opperman, Farheen Khan, Jenna L Piercy, Nazlee Samodien

Germs· June 2021

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
B
Blood culture contamination rates at different level healthcare institutions in the Western Cape, South Africa.
Christoffel J Opperman, Banyana Baloyi, Sipho Dlamini, Nazlee Samodien

S Afr J Infect Dis· December 2020

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis