Research Groups

Assoc Professor Gay Elisha


  • Molecular mechanisms of antibiotic resistance
  • Molecular epidemiology



Jansen van Rensburg MJ, Eliya Madikane V, Whitelaw A, Chachage M, Haffejee S, Gay Elisha B. The dominant methicillin-resistant Staphylococcus aureus clone from hospitals in Cape Town has an unusual genotype: ST612.
Clin Microbiol Infect. 2011 May;17(5):785-92. Epub 2010 Nov 10.

Majalija S, Segal H, Ejobi F, Elisha BG. Shiga toxin gene-containing Escherichia coli from cattle and diarrheic children in the pastoral systems of southwestern Uganda. 
J Clin Microbiol. 2008 Jan;46(1):352-4. Epub 2007 Nov 7.

Segal H, Jacobson RK, Garny S, Bamford CM, Elisha BG. Extended -10 promoter in ISAba-1 upstream of blaOXA-23 from Acinetobacter baumannii
J Antimicrob Agents Chemother. 2007 Aug;51(8):3040-1. Epub 2007 Jun 4.

Madikane VE, Bhakta S, Russell AJ, Campbell WE, Claridge TD, Elisha BG, Davies SG, Smith P, Sim E. Inhibition of mycobacterial arylamine N-acetyltransferase contributes to anti-mycobacterial activity of Warburgia salutaris
Bioorg Med Chem. 2007 May 15;15(10):3579-86. Epub 2007 Feb 11.

Matsheka MI, Lastovica AJ, Zappe H, Elisha BG. The use of (GTG)5 oligonucleotide as an RAPD primer to type Campylobacter concisus
Lett Appl Microbiol. 2006 Jun;42(6):600-5.

Segal H, Elisha BG. Use of Etest MBL strips for the detection of carbapenemases in Acinetobacter baumannii
J Antimicrob Chemother. 2005 Sep;56(3):598. Epub 2005 Jul 26. No abstract available.

Segal H, Garny S, Elisha BG. Is IS(ABA-1) customized for Acinetobacter?
FEMS Microbiol Lett. 2005 Feb 15;243(2):425-9.

Segal H, Nelson EC, Elisha BG. Genetic environment and transcription of ampC in an Acinetobacter baumannii clinical isolate.
J Antimicrob Agents Chemother. 2004 Feb;48(2):612-4.

Segal H, Thomas R, Gay Elisha B. Characterization of class 1 integron resistance gene cassettes and the identification of a novel IS-like element inAcinetobacter baumannii
Plasmid. 2003 Mar;49(2):169-78.

Nelson EC, Segal H, Elisha BG. Outer membrane protein alterations and blaTEM-1 variants: their role in beta-lactam resistance in Klebsiella pneumoniae.
J Antimicrob Chemother. 2003 Dec;52(6):899-903. Epub 2003 Nov 12.

Cooper R, Segal H, Lastovica AJ, Elisha BG. Genetic basis of quinolone resistance and epidemiology of resistant and susceptible isolates of porcine Campylobacter coli strains. 
J Appl Microbiol. 2002;93(2):241-9.

Matsheka MI, Elisha BG, Lastovica AL, On SL. Genetic heterogeneity of Campylobacter concisus determined by pulsed field gel electrophoresis-based macrorestriction profiling. 
FEMS Microbiol Lett. 2002 May 21;211(1):17-22.

Whitelaw AC, Shankland IM, Elisha BG. Use of 16S rRNA sequencing for identification of Actinobacillus ureae isolated from a cerebrospinal fluid sample. 
J Clin Microbiol. 2002 Feb;40(2):666-8.

Matsheka MI, Lastovica AJ, Elisha BG. Molecular identification of Campylobacter concisus
J Clin Microbiol. 2001 Oct;39(10):3684-9.

Segal H, Elisha BG. Characterization of the Acinetobacter plasmid, pRAY, and the identification of regulatory sequences upstream of an aadB gene cassette on this plasmid.
Plasmid. 1999 Jul;42(1):60-6.

Nelson EC, Elisha BG. Molecular basis of AmpC hyperproduction in clinical isolates of Escherichia coli
J Antimicrob Agents Chemother. 1999 Apr;43(4):957-9.

Segal H, Francia MV, Lobo JM, Elisha G. Reconstruction of an active integron recombination site after integration of a gene cassette at a secondary site.
J Antimicrob Agents Chemother. 1999 Oct;43(10):2538-41.

Segal H, Elisha BG. Identification and characterization of an aadB gene cassette at a secondary site in a plasmid from Acinetobacter.
FEMS Microbiol Lett. 1997 Aug 15;153(2):321-6.

Elisha BG, Courvalin P. Analysis of genes encoding D-alanine:D-alanine ligase-related enzymes in Leuconostoc mesenteroides and Lactobacillus spp
Gene. 1995 Jan 11;152(1):79-83. Erratum in: Gene 1995 Aug 8;161(1):139.

Elisha BG, Steyn LM. High level kanamycin resistance associated with the hyperproduction of AAC(3)II and a generalised reduction in the accumulation of aminoglycosides in Acinetobacter spp.
J Antimicrob Chemother. 1994 Oct;34(4):457-64.

Elisha BG, Steyn LM. Identification of an Acinetobacter baumannii gene region with sequence and organizational similarity to Tn2670.
Plasmid. 1991 Mar;25(2):96-104.

Elisha BG, Steyn LM. Aminoglycoside-O-phosphotransferase (APH (3'')) activity in a clinical isolate of Acinetobacter calcoaceticus.
S Afr Med J. 1989 Mar 4;75(5):220-2.

Penfold SS, Lastovica AJ, Elisha BG. Demonstration of plasmids in Campylobacter pylori
J Infect Dis. 1988 Apr;157(4):850-1.