Department of Basic Veterinary Sciences

Faculty of Veterinary Medicine & Animal Science

Dr. Y. A. M. Saumya Wickramasinghe


Dr. Y. A. M. Saumya Wickramasinghe

Senior Lecturer in Basic Veterinary Sciences

Office Address :

Department of Basic Veterinary Sciences
Faculty of Veterinary Medicine & Animal Science,
University of Peradeniya, Peradeniya 20400,
Sri Lanka.

Phone : 
  • +94 812395831 (office)
Education :
  • BVSc (Peradeniya)
  • MS (Oklahoma State University, Stillwater, OK, USA)
  • PhD (University of California Davis, Davis, CA, USA)
Research Interests:
  • Next generation sequencing on mammalian cells and metagenomics, SNP based genotyping and association analysis, One Health based research, Genetic aspects of CKDu
  • Boudry, G., M K. Hamilton, M. Chichlowski, S. Wickramasinghe, D. Barile, K. M Kalanetra, D. A. Mills and H. E Raybould. (2017). Bovine milk oligosaccharides decrease gut permeability and improve inflammation and microbial dysbiosis in diet-induced obese mice. Journal of Dairy Science (17) 30072-3)
  • Wickramasinghe S, Pacheco SA, Lemay D and Mills D (2015) Bifidobacteria grown on human milk oligosaccharides downregulate the expression of inflammation-related genes in Caco-2 cells. BMC Microbiology 15(1):172
  • Wickramasinghe S, Cánovas A, Rincón G and Medrano JF (2014) RNA-Sequencing: A tool to explore new frontiers in animal genetics. Livestock Science 166: 206-216
  • Khaldi N, Vijayakumar V, Dallas DC, Guerrero A, Wickramasinghe S, Smilowitz JT, Medrano JF, Lebrilla CB, Shields DC and German JB (2014) Predicting the important enzyme players in human breast milk digestion. J Agric Food Chemistry 62(29):7225-32.
  • Wickramasinghe S, Rincon G, Islas-Trejo A and Medrano JF (2012) Transcriptional profiling of bovine milk using RNA sequencing. BMC Genomics 13:45
  • Barboza M, Pinzon J, Wickramasinghe S, Froehlich JW, Moeller I, Smilowitz JT, Ruhaak LR, Huang J, Lönnerdal B, German JB, Medrano JF, Weimer BC and Lebrilla CB (2012) Glycosylation of human milk lactoferrin exhibits dynamic changes during early lactation enhancing its role in pathogenic bacteria-host interactions. Molecular & Cellular Proteomics 11(6)
  • Wickramasinghe S, Hua S, Rincon G, Islas-Trejo A, German JB, Lebrilla CB and Medrano JF (2011) Transcriptome Profiling of Bovine Milk Oligosaccharide Metabolism Genes Using RNA-Sequencing. PLoS ONE 6(4): e18895
  • Wickramasinghe S and Medrano JF (2011) Primer on genes encoding enzymes in sialic acid metabolism in mammals. Biochimie 93:1641-1646
  • Wickramasinghe S, Rincon G and Medrano JF (2011) Variants in the pregnancy-associated plasma protein-A2 gene on Bos taurus autosome 16 are associated with daughter calving ease and productive life in Holstein cattle. Journal of Dairy Science 94:1552-1558
  • Cánovas A, Rincon G, Islas-Trejo A, Wickramasinghe S and Medrano JF (2010) SNP discovery in the bovine milk transcriptome using RNA-Seq technology. Mammalian Genome 21:592-598