• Site Map
• Campus Map
• A-Z Index
• Staff Intranet
• Contacts

Research Interests

Characterisation of Streptococcus pyogenes (GAS) anchorless surface proteins

GAS vaccine research

Representative Publications

Jason, N. C., A. Henningham, C. M. Gillen, V. Ramachandran and M. J. Walker. 2008. Human pathogenic streptococcal proteomics and vaccine development. Proteomics. Clin. Applications. 2:387-410.

McArthur, J. D., F. C. McKay, V. Ramachandran, P. Shyam, A. J. Cork, M. L. Sanderson-Smith, J. N. Cole, U. Ringdahl, U. Sjobring, M. Ranson and M. J. Walker. 2008. Allelic variants of streptokinase from streptococcus pyogenes display functional differences in plasminogen activation. FASEB J. 22:3146-3153.

Djordjevic, S. P., V. Ramachandran, K. A. Bettelheim, B. A. Vanselow, P. Holst, G. Bailey, and M. A. Hornitzky. 2004. Serotypes and virulence gene profiles of Shiga toxin-producing Escherichia coli isolated from feces of pasture-fed and lot-fed sheep. Appl. Environ. Microbiol. 70:3910-3917.

Ramachandran, V., J. D. McArthur, C. E. Behm, C. Gutzeit, M. Dowton, P. K. Fagan, R. Towers, B. Currie, K. S. Sriprakash and M. J. Walker. 2004. Two distinct genotypes of prtF2, encoding a fibronectin binding protein, and the evolution of the gene family in Streptococcus pyogenes. J. Bacteriol. 186:7601-7609.

Ramachandran, V., K. N. Brett, M. A. Hornitzky, M. Dowton, K. A. Bettelheim, M. J. Walker, and S. P. Djordjevic. 2003. Distribution of intimin subtypes among Escherichia coli isolates from ruminant and human sources. J. Clin. Microbiol. 41:5022-5032.

Brett, K. N., V. Ramachandran, M. A. Hornitzky, K. A. Bettelheim, M. J. Walker, and S. P. Djordjevic. 2003. stx1c is the most common Shiga toxin 1 subtype among Shiga toxin-producing Escherichia coli isolates from sheep but not among isolates from cattle. J. Clin. Microbiol. 41: 926-936.

Bettelheim, K. A., M. Whipp, S. P. Djordjevic, V. Ramachandran. 2002. First isolation outside Europe of sorbitol-fermenting verocytotoxigenic Escherichia coli (VTEC) belonging to O group O157. J. Med. Microbiol. 51:713-714.

Ramachandran, V., M. A. Hornitzky, K. A. Bettelheim, M. J. Walker, and S. P. Djordjevic. 2001. The common ovine Shiga toxin 2-containing Escherichia coli serotypes and human isolates of the same serotypes possess a Stx2D toxin type. J. Clin. Microbiol. 39: 1932-1937.

Searchable Publication List

Abbreviated CV

Education

1998. B.Sc, University of Bangalore, India.
1999. M.Sc (Biotechnology), University of Wollongong.
2003. PhD, School of Biological Sciences, University of Wollongong
Thesis tilte: “Characterisation of virulence genes (Shiga toxins 1 and 2, and intimin) in Shiga toxin-producing Escherichia coli (STEC) of ovine origin and an assessment of the role of these STEC in human pathogenesis”

Employment

2006-present: Lecturer/Fellow, School of Biological Sciences, University of Wollongong

2004 – 2006: Scientific Officer/Production Manager, Nucleic Acid Testing Laboratory, South Eastern Area Laboratory Services, Prince of Wales Hospital, Randwick.

2002–present: Associate Fellow, School of Biological Sciences, University of Wollongong

Awards

1999 - 2003: Overseas Postgraduate Research Scholarship and University Postgraduate Award.

2009: Endeavour Post doctoral Research Fellowship