Department of Veterinary Pathobiology

Faculty of Veterinary Medicine and Animal Science

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Dr. Rasika Jinadasa

Senior Lecturer in Microbiology

Office Address :

Department of Veterinary Pathobiology,

Faculty of Veterinary Medicine & Animal Science,

University of Peradeniya, Peradeniya 20400, Sri Lanka

Email :  rnjinadasa@vet.pdn.ac.lk
Phone :  0812395601(office)
Education :
  • BVSc (Peradeniya), MS (Nebraska), PhD (Cornell)


Coordinator for Veterinary Bacteriology and Mycology (VS211) and Applied Pharmaceutical Microbiology (PB 510/PGIS). Co-instructor for Molecular biology and Bioinformatics in MSc in Medical Microbiology (PLS 558/ PGIS)



Bovine tuberculosis, Mycoplasma diseases of animals, Bovine mastitis


Position Current completed
Project leader 2 3
Co-investigator 1 3

Completed projects:
Project Title: Molecular diagnosis and phylogenetic analysis of canine parvovirus isolates from Sri Lanka
Date Range: 2016 - 2018
Funding Body: Massey University, New Zealand
Position: Co-investigator

Project Title: Cross-sectional survey to investigate the prevalence and associated risk factors of bovine tuberculosis in Sri Lanka
Date Range: 2014 - 2017
Funding Body: University of Peradeniya
Position: Co-investigator

Project Title: PCR based diagnosis of major viral diseases of companion animals in Sri Lanka
Date Range: 2014 - 2016
Funding Body: University of Peradeniya
Position: Project leader

Active research grants::
Project Title: Investigating the prevalence of Mycoplasma bovis in large-scale dairy farms in Sri Lanka
Date Range: 2019 - 2020
Funding Body: National Research Council, Sri Lanka
Position: Project leader

Project Title: Characterization of Sri Lankan isolates of Mycobacterium bovis
Date Range: 2015 - 2019
Funding Body: National Research Council, Sri Lanka
Position: Project leader

Project Title: Improving dairy industry to achieve self-sufficiency in milk
Date Range: 2015 - 2020
Funding Body: National Research Council, Sri Lanka
Position: Co-investigator


Position Degree Current completed
Supervisor MPhil 2 2
Co-Supervisor MPhil 0 2
Supervisor MSc 1 1
Co-Supervisor MSc 0 1

Completed supervisions:

  1. Miss. Erandi Herath – MPhil, 2016
    Investigating the effect of poultry manure application on the antibiotic resistance of bacteria in intensively cultivated soils
  2. Dr. Ayesha Salgadu - MPhil, 2017
    Study on occurrence, control and economic impact of mastitis in dairy farms in central and north western provinces in Sri Lanka
  3. Dr. Sagara Kumara - MPhil, 2017
    Prevalence and associated risk factors of bovine tuberculosis in cattle and buffaloes in the central province of Sri Lanka
  4. Miss Sarasi Edirisinghe - MSc, 2016
    Isolation and identification of Salmonella and Staphylococcus aureus in chicken sausages in Sri Lanka
  5. Miss Charitha Pavithrani - MSc, 2016
    Antibiotic susceptibility of significant Gram-negative bacteria isolated from blood


Journals

  1. Jayasumana, M. T. L. K., Galappaththi, T. I., Pushpakumara, P .G. A., Gamage, C. D., Smith, N. H and H. R. N. Jinadasa. 2018. Screening milk for bovine tuberculosis in dairy farms in central province, Sri Lanka. Accepted for Tropical Agricultural Research
  2. Herath,E.M., Dandeniya, W.S., Samarasinghe, A.G.S.I., Bandara, T.P.M.S.D. and R.N. Jinadasa.2015. A preliminary investigation on methods of reducing antibiotic resistant bacteria in broiler litter in selected farms in mid country Sri Lanka. Tropical Agricultural Research. 26 (2): 409 – 414 .
  3. Perera , B.V. P., Salgadu, M.A., Gunawardena, G.S.P. de S., Smith,N.H. and H.R.N.Jinadasa. 2014. Preliminary report: first confirmed case of fatal tuberculosis in a wild Sri Lankan Elephant (Elephas maximus maximus). Gajah. 41. 28-34. .
  4. Liyanaarachchi, D., Jinadasa, H.R.N., Dilrukshi, P.R.M.P. and R.P.V.J. Rajapakse. 2013. Epidemiological study on ticks in farm animals in selected areas of Sri Lanka. Tropical Agricultural Research. 24 (4): 336-346.
  5. Jinadasa, R. N., Bloom, S. E., Weiss, R. S. and Duhamel, G. E. (2011). Cytolethal distending toxin: a conserved bacterial genotoxin that blocks cell cycle progression, leading to apoptosis of a broad range of mammalian cell lineages. Microbiology 157, 1851-1875.
  6. Jinadasa R, Balmus G, Gerwitz L, Roden J, Weiss R, Duhamel G (2010). Derivation of thymic lymphoma T-cell lines from Atm-/- and p53-/- Mice. J Vis Exp. 50


Abstracts
  1. K.I. Kamathewatta, M.A. Salgadu, N.Ananthakumar,T.P.M.S.D. Bandara, H.S. Ariyarathna, A.W.Kalupahana, R.N.Jinadasa. Detection of Canine Parvo virus (CPV) in selected samples of dogs in Sri Lanka by PCR. Third Annual Conference & scientific sessions of the Sri Lankan Society for Microbiology. October, 2014 .
  2. M. T. L. K. Jayasumana, Y. H. P. S. N. Kumara, A. A. A. W. K. Amarasinghe, P. G. A. Pushpakumara, L. N. A. De Silva, P. A. B. D. Alexander, G. S. P. de S. Gunawardena, N. H. Smith, D. Magana-Arachchi, H. R. N. Jinadasa. 2018.
  3. Molecular characterization of Mycobacterium bovis isolates from Central province and North Western province of Sri Lanka using MIRU-VNTR typing. Proceedings of the Annual Sessions of Sri Lanka Veterinary Association, 2018
  4. M. T. L .K. Jayasumana, T. I. Galappaththi, P. G. A. Pushpakumara, C. D. Gamage, N. H. Smith,H. R. N. Jinadasa. 2018. Screening raw milk for Mycobacterium bovis contamination in dairy farms in Central province, Sri Lanka. Proceedings of the Annual Sessions of Sri Lanka Veterinary Association, 2018.
  5. Molecular characterization of Mycobacterium tuberculosis isolates from Sri Lankan elephants. 2018. M. T. L. K. Jayasumana, B. V. P. Perera, A. Dangolla, M. A. Salgadu, G.S.P.de. S. Gunawardena, N. H. Smith, D. Magana-Arachchi, H. R. N. Jinadasa. Proceedings of the Annual Sessions of Sri Lanka Veterinary Association, 2018.
  6. T. I. Galappaththi, P.G. A. Pushpakumara, B. N. Dissanayake, N. K. Wawegama, H. R. N. Jinadasa. 2019. Detection of Mycoplasma bovis Mastitis in Upcountry Dairy Farms of Sri Lanka Using PCR. Proceedings of the Annual Sessions of Sri Lanka Veterinary Association, 2019.
  7. W.A.S.M. Premaratne, W.C.I. Perera, K.G.J.S. Disnaka, R.N. Jinadasa, Kavindra Wijesundera. 2019. An Outbreak Probably Caused by Streptococcus suis or Haemophilus parasuis in a Swine Breeder Farm: A Case Study Proceedings of the Annual Sessions of Sri Lanka Veterinary Association, 2019.
  8. P.G.A.S. Palkumbura, S.A.M.A.B.Y. Alagiyawanna, H. R. N. Jinadasa. 2019. Evaluation of Microbiological Quality of Five Pet Shampoo Products Available in Sri Lanka. Proceedings of the Annual Sessions of Sri Lanka Veterinary Association, 2019.
  9. Y. S. A. Amarasena, H. M. H. S. Ariyarathna, H. R. N. Jinadasa. 2019. In Vitro Antibacterial Activity in Acidified Nitrite in Canine Urine. Proceedings of the Annual Sessions of Sri Lanka Veterinary Association, 2019.
  10. Galappaththi TI, Pushpakumara PGA, Dissanayake BN and Jinadasa HRN. 2019. Prevalence and molecular diversity of extended spectrum β lactamases (ESBL) producing coliforms among cows with mastitis in upcountry dairy farms of Sri Lanka. Annual scientific sessions of Sri Lanka Society of Microbiology 2019.