User profiles for Alexander S. Pym

A Pym

Africa Health Research Institute (AHRI)
Verified email at wellcome.org
Cited by 16217

A new evolutionary scenario for the Mycobacterium tuberculosis complex

…, LM Parsons, AS Pym, S Samper… - Proceedings of the …, 2002 - National Acad Sciences
The distribution of 20 variable regions resulting from insertion-deletion events in the
genomes of the tubercle bacilli has been evaluated in a total of 100 strains of Mycobacterium …

Loss of RD1 contributed to the attenuation of the live tuberculosis vaccines Mycobacterium bovis BCG and Mycobacterium microti

AS Pym, P Brodin, R Brosch, M Huerre… - Molecular …, 2002 - Wiley Online Library
Although large human populations have been safely immunized against tuberculosis with
two live vaccines, Mycobacterium bovis BCG or Mycobacterium microti, the vole bacillus, the …

[HTML][HTML] Recombinant BCG exporting ESAT-6 confers enhanced protection against tuberculosis

AS Pym, P Brodin, L Majlessi, R Brosch, C Demangel… - Nature medicine, 2003 - nature.com
The live tuberculosis vaccines Mycobacterium bovis BCG (bacille Calmette-Guérin) and
Mycobacterium microti both lack the potent, secreted T-cell antigens ESAT-6 (6-kDa early …

Bedaquiline in the treatment of multidrug-and extensively drug-resistant tuberculosis

AS Pym, AH Diacon, SJ Tang… - European …, 2016 - Eur Respiratory Soc
Bedaquiline, a diarylquinoline, improved cure rates when added to a multidrug-resistant
tuberculosis (MDR-TB) treatment regimen in a previous placebo-controlled, phase 2 trial (…

Effect of katG Mutations on the Virulence of Mycobacterium tuberculosis and the Implication for Transmission in Humans

AS Pym, B Saint-Joanis, ST Cole - Infection and immunity, 2002 - Am Soc Microbiol
The usefulness of isoniazid (INH), a key component of short-course chemotherapy of
tuberculosis, is threatened by the emergence of drug-resistant strains of Mycobacterium …

Genomic analysis of globally diverse Mycobacterium tuberculosis strains provides insights into the emergence and spread of multidrug resistance

…, S Narayanan, AS Pym, A Skrahina, S Swaminathan… - Nature …, 2017 - nature.com
Multidrug-resistant tuberculosis (MDR-TB), caused by drug-resistant strains of Mycobacterium
tuberculosis, is an increasingly serious problem worldwide. Here we examined a data set …

[HTML][HTML] Impact of bacterial genetics on the transmission of isoniazid-resistant Mycobacterium tuberculosis

…, S Muñoz, PC Hopewell, PM Small, AS Pym - PLoS …, 2006 - journals.plos.org
Understanding the ecology of drug-resistant pathogens is essential for devising rational
programs to preserve the effective lifespan of antimicrobial agents and to abrogate epidemics of …

[HTML][HTML] Systematic genetic nomenclature for type VII secretion systems

…, LY Gao, J Liu, NC Gey van Pittius, AS Pym… - PLoS …, 2009 - journals.plos.org
Mycobacteria, such as the etiological agent of human tuberculosis, Mycobacterium
tuberculosis, are protected by an impermeable cell envelope composed of an inner cytoplasmic …

[HTML][HTML] Evolution of Extensively Drug-Resistant Tuberculosis over Four Decades: Whole Genome Sequencing and Dating Analysis of Mycobacterium tuberculosis …

…, MG Fitzgerald, P Govender, S Gujja, S Hamilton… - PLoS …, 2015 - journals.plos.org
Background The continued advance of antibiotic resistance threatens the treatment and
control of many infectious diseases. This is exemplified by the largest global outbreak of …

Genomic Deletions Classify the Beijing/W Strains as a Distinct Genetic Lineage of Mycobacterium tuberculosis

AG Tsolaki, S Gagneux, AS Pym… - Journal of clinical …, 2005 - Am Soc Microbiol
Beijing/W strains of Mycobacterium tuberculosis are geographically widespread and
hypervirulent. To enhance our understanding of their origin and evolution, we sought …