Ley S.D, Pillay S, Streicher E.M, van der Heijden Y.F, Sirgel F, Derendinger B, de Kock M, Gagneux S, Warren R.M, Theron G, de Vos M. Melting the eis: non-detection of kanamycin resistance markers by routine diagnostic tests and identification of new eis-promoter variants. Antimicrob Agents Chemother. 2021;65(7):e0250220. DOI: 10.1128/AAC.02502-20

2021
Journal Article
PubMed

Menardo F, Rutaihwa L.K, Zwyer M, Borrell S, Comas I, Conceicao E.C, Coscolla M, Cox H, Joloba M, Dou H.Y, Feldmann J, Fenner L, Fyfe J, Gao Q, Garcia de Viedma D, Garcia-Basteiro A.L, Gygli S.M, Hella J, Hiza H, Jugheli L, Kamwela L, Kato-Maeda M, Liu Q, Ley S.D, Loiseau C, Mahasirimongkol S, Malla B, Palittapongarnpim P, Rakotosamimanana N, Rasolofo V, Reinhard M, Reither K, Sasamalo M, Silva Duarte R, Sola C, Suffys P, Batista Lima K.V, Yeboah-Manu D, Beisel C, Brites D, Gagneux S. Local adaptation in populations of Mycobacterium tuberculosis endemic to the Indian Ocean Rim. F1000Res. 2021;10:60. DOI: 10.12688/f1000research.28318.1

2021
Journal Article
PubMed

Mogashoa T, Melamu P, Derendinger B, Ley S.D, Streicher E.M, Iketleng T, Mupfumi L, Mokomane M, Kgwaadira B, Rankgoane-Pono G, Tsholofelo T.T, Kasvosve I, Moyo S, Warren R.M, Gaseitsiwe S. Detection of second line drug resistance among drug resistant Mycobacterium tuberculosis isolates in Botswana. Pathogens. 2019;8(4):E208. DOI: 10.3390/pathogens8040208

2019
Journal Article
PubMed

Mogashoa T, Melamu P, Ley S.D, Streicher E.M, Iketleng T, Kelentse N, Mupfumi L, Mokomane M, Kgwaadira B, Novitsky V, Kasvosve I, Moyo S, Warren R.M, Gaseitsiwe S. Genetic diversity of Mycobacterium tuberculosis strains circulating in Botswana. PLoS One. 2019;14(5):e0216306. DOI: 10.1371/journal.pone.0216306

2019
Journal Article
PubMed

Rutaihwa L, Menardo F, Stucki D, Gygli S.M, Ley S.D, Malla B, Feldmann J, Borrell S, Beisel C, Middelkoop K, Carter J.E, Diero L, Ballif M, Jugheli L, Reither K, Fenner L, Brites D, Gagneux S. Multiple introductions of Mycobacterium tuberculosis lineage 2-Beijing into Africa over centuries. Front Ecol Evol. 2019;7:112. DOI: 10.3389/fevo.2019.00112

2019
Journal Article

Stucki D, Brites D, Jeljeli L, Coscolla M, Liu Q, Trauner A, Fenner L, Rutaihwa L, Borrell S, Luo T, Gao Q, Kato-Maeda M, Ballif M, Egger M, Macedo R, Mardassi H, Moreno M, Vilanova G.T, Fyfe J, Globan M, Thomas J, Jamieson F, Guthrie J.L, Asante-Poku A, Yeboah-Manu D, Wampande E, Ssengooba W, Joloba M, Boom W.H, Basu I, Bower J, Saraiva M, Vasconcellos S.E, Suffys P, Koch A, Wilkinson R, Gail-Bekker L, Malla B, Ley S.D, Beck H.P, de Jong B.C, Toit K, Sanchez-Padilla E, Bonnet M, Gil-Brusola A, Frank M, Penlap Beng V.N, Eisenach K, Alani I, Ndung'u P.W, Revathi G, Gehre F, Akter S, Ntoumi F, Stewart-Isherwood L, Ntinginya N.E, Rachow A, Hoelscher M, Cirillo D.M, Skenders G, Hoffner S, Bakonyte D, Stakenas P, Diel R, Crudu V, Moldovan O, Al-Hajoj S, Otero L, Barletta F, Carter E.J, Diero L, Supply P, Comas I, Niemann S, Gagneux S. Mycobacterium tuberculosis lineage 4 comprises globally distributed and geographically restricted sublineages. Nat Genet. 2016;48(12):1535-1543. DOI: 10.1038/ng.3704

2016
Journal Article
PubMed

Ley S, Carter R, Millan K, Phuanukoonnon S, Pandey S, Coulter C, Siba P, Beck H.P. Non-tuberculous mycobacteria: baseline data from three sites in Papua New Guinea, 2010-2012. Western Pac Surveill Response J. 2015;6(4):24-29. DOI: 10.5365/WPSAR.2015.6.2.004

2015
Journal Article
PubMed

Ley S.D, Harino P, Vanuga K, Kamus R, Carter R, Coulter C, Pandey S, Feldmann J, Ballif M, Siba P.M, Phuanukoonnon S, Gagneux S, Beck H.P. Diversity of Mycobacterium tuberculosis and drug resistance in different provinces of Papua New Guinea. BMC Microbiol. 2014;14:307. DOI: 10.1186/s12866-014-0307-2

2014
Journal Article
PubMed

Ley S.D, Riley I, Beck H.P. Tuberculosis in Papua New Guinea: from yesterday until today. Microbes Infect. 2014;16(8):607-614. DOI: 10.1016/j.micinf.2014.06.012

2014
Journal Article
PubMed

Ley S.D. Molecular epidemiology of tuberculosis in selected sites across Papua New Guinea. Basel: Univ. Basel, 2014. Doctoral Thesis, University of Basel, Faculty of Science DOI: 10.5451/unibas-006275629

2014
Thesis

Ballif M, Harino P, Ley S, Carter R, Coulter C, Niemann S, Borrell S, Fenner L, Siba P, Phuanukoonnon S, Gagneux S, Beck H.P. Genetic diversity of Mycobacterium tuberculosis in Madang, Papua New Guinea. Int J Tuberc Lung Dis. 2012;16(8):1100-1107. DOI: 10.5588/ijtld.11.0779

2012
Journal Article
PubMed

Ballif M, Harino P, Ley S, Coscolla M, Niemann S, Carter R, Coulter C, Borrell S, Siba P, Phuanukoonnon S, Gagneux S, Beck H.P. Drug resistance-conferring mutations in Mycobacterium tuberculosis from Madang, Papua New Guinea. BMC Microbiol. 2012;12:191. DOI: 10.1186/1471-2180-12-191

2012
Journal Article
PubMed

Senn N, Rarau P, Stanisic D.I, Robinson L, Barnadas C, Manong D, Salib M, Iga J, Tarongka N, Ley S, Rosanas-Urgell A, Aponte J.J, Zimmerman P.A, Beeson J.G, Schofield L, Siba P, Rogerson S.J, Reeder J.C, Mueller I. Intermittent preventive treatment for malaria in Papua New Guinean infants exposed to Plasmodium falciparum and P. vivax: a randomized controlled trial. PLoS Med. 2012;9(3):e1001195. DOI: 10.1371/journal.pmed.1001195

2012
Journal Article
PubMed

Hodel E.M, Ley S.D, Qi W, Ariey F, Genton B, Beck H.P. A microarray-based system for the simultaneous analysis of single nucleotide polymorphisms in human genes involved in the metabolism of anti-malarial drugs. Malar J. 2009;8:285. DOI: 10.1186/1475-2875-8-285

2009
Journal Article
PubMed

Beck H.P, Ley S. Monitoring of malaria drug resistance associated SNPs in P. falciparum on microarray. In: Ljungström I,Perlmann H,Schichtherle M,Scherf A,Wahlgen M, eds. Methods in Malaria Research, 248-257. Manassas: MR4/ATCC, 2008

2008
Book Section

Müller J, Ley S, Felger I, Hemphill A, Müller N. Identification of differentially expressed genes in a Giardia lamblia WB C6 clone resistant to nitazoxanide and metronidazole. J Antimicrob Chemother. 2008;62:72-82

2008
Journal Article

Sternberg J.M, Tait A, Haley S, Wells J.M, Le Page R.W.F, Schweizer J, Jenni L. Gene exchange in African trypanosomes: characterisation of a new hybrid genotype. Mol Biochem Parasitol. 1988;27(2-3):191-200

1988
Journal Article
PubMed

Sternberg J.M, Tait A, Haley S, Schweizer J, Jenni L. The inheritance of chromosonal and kinetoplast variants in T. brucei spp.. In: Agabian N,Goodman H,Nogueira N, eds. Molecular strategies of parasitic invasion: proceedings of MacArthur Foundation-UCLA symposium held in Park City, Utah, january 26-31, 1987, 253-258. New York: Alan R. Liss, 1987

1987
Book Section