2023

• Senaratna, C.V., Perera, P.K., Arulkumaran, S., Abeysekara, N., Piyumanthi, P., Hamilton, G.S., Rajakaruna, R.S. and Dharmage, S.C. (2023) Association of helminth infestation with childhood asthma: a nested case-control study. International Journal of Infectious Diseases. DOI: https://doi.org/10.1016/j.ijid.2023.01.004 PDF

• Kapukotuwa, R.W.M.G.K., Weerakoon, K.C., Abeysekara, C.L. and Rajakaruna R.S. (2023) Anthropogenic activities of the proximate community along Rawan oya tributary of Mahaweli river in Kandy District, Sri Lanka. International Journal of Water. PDF

• Ranatunga, S., Dangolla, A., Bodahewa, A.P., Peiris, K.H.A.T.D., Rajakaruna, R.M.B.K., Senevirathne, R.M.A.N. and Rajakaruna, R.S. (2023) First detection and molecular identification of Babesia peroncitoi in pigs in Sri Lanka. Ceylon Journal of Science. Ceylon Journal of Science, 52(1), 107–110. DOI: http://doi.org/10.4038/cjs.v52i1.8110 PDF

• Thathsarani, N., Jayawardena, U.A., and Rajakaruna, R.S. (2023) Microplastic pollution in the Indian Ocean: Passageways and the contamination of the open ocean and its marine environment. Toxicology Advances 5(2):9. https://doi.org/10.53388/TA20.  PDF

• Jayawardena, U.A., Amerasinghe, P.H. and Rajakaruna, R.S. (2023) Light and temperature induced shedding, encystment and excystment of avian fluke Philophthalmu sp. under laboratory conditions 10.21203/rs.3.rs-2635267/v1  PDF

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2022

• Thilakarathne, S.S., Wijewardena, N., Perera, P.K., Mallawa, C. and Rajakaruna, R.S. (2022) Filariasis in dogs brought to the Veterinary Teaching Hospital, University of Peradeniya, Sri Lanka. Veterinary Research https://doi.org/10.1007/s00436-022-07742-x PDF

• Kapukotuwa, R.W.M.G.K., Jayasena, N., Abeysekara, C.L., Weerakoon, K.C.and Rajakaruna R.S. (2022) High levels of microplastics in commercial salt and industrial salterns in Sri Lanka. Marine Pollution Bulletin, 174: 113239 www.elsevier.com/locate/marpolbul https://doi.org/10.1016/j.marpolbul.2021.113239. PDF

• Rajakaruna, M., Rajakaruna, H. and Rajakaruna, R. (2022) Dynamic regulations on mobility and vaccinations for controlling Covid-19 spread. Nature Scientific Reports 12:3554 | https://doi.org/10.1038/s41598-022-07371-5 PDF

• Ranatunga, S., Dangolla, A., Sooriyapathirana, S.S.D. and Rajakaruna, R.S. (2022) High asymptomatic cases of babesiosis in dogs and comparison of diagnostic performance of conventional PCR vs blood smears. Acta Parasitologica. PDF

• De Silva, T.K., Rajakaruna, R.S., Rajapakse, R.P.V.J. and Perera, P.K. (2022) First molecular identification of Ancylostoma species in dogs in a rural tea estate community in Sri Lanka and the detection of other zoonotic gastrointestinal parasites. Acta Parasitologica. PD

• Bandaranayaka, K.O., Dissanyakae, U.I., and Rajakaruna, R.S. (2022) Diversity and Geographic distribution of dog tick species in Sri Lanka and the life cycle of brown dog tick, Rhipicephalus sanguineus under laboratory conditions. Acta Parasitologica. DOI: 10.1007/s11686-022-00622-5 PDF

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2021

• Diyes, G.C.P. and Rajakaruna, R.S. (2021) Teratological anomalies of an adult Asiatic blue tick, Rhipicephalus microplus (Acari: Ixodidae) Systematic and Applied Acarology. 26(1): 320–324. PDF

• Bandaranayaka, K.O., Dissanayke, U.I. and Rajakaruna, R.S. (2021) Experimental aspects of the life cycle of Rhipicephalus (Boophilus) microplus and Hyalomma isaaci on New Zealand white rabbits. Ceylon Journal of Science.50: 47-56 DOI: http://doi.org/10.4038/ cjs.v50i1.7846. PDF

• Diyes, G.C.P., Bandara, K.M.U.J., Rajakaruna, R.S. and Karunaratne, S.H.P.P. (2021) Acaricide resistance in the spinose ear tick, Otobius megnini (Acari: Argasidae) infesting racehorses in Sri Lanka. Journal of the National Science Foundation. 2021 49 (4): 551 - 561
  DOI: http://dx.doi.org/10.4038/jnsfsr.v49i4.10307 PDF

• Bandaranayaka, K.O., Kularatne, S.A.M., Rajapakse, R.P.V.J., Abeysundara, U.B., Rajapaksha, R.M.M.A. and Rajakaruna, R.S. (2021) Human Otoacariasis in Two Climatically Diverse Districts in Sri Lanka: Seasonality, Risk Factors, and Case Notes. Acta Parasitologica. PDF

• Thilakarathne, S.S., Rajakaruna, R.S., Fernando, D., Rajapakse, R.P.V.J. and Perera, P.K. (2021) Comparison of gastro-intestinal parasites with zoonotic and anthroponotic potential in two subspecies of toque macaque (Macaca sinica) in Sri Lanka. Veterinary Parasitology: Regional Studies and Reports 24: 100558. https://doi.org/10.1016/j.vprsr.2021. 100558 PDF

• Jeganathan, P. and Rajakaruna, R.S. (2021) Testicular oocytes in the common hour-glass tree frog exposed to pesticides. Ceylon Journal of Science. 50(3) 2021: 249-259 PDF

 

2020

• Mashkour, N., Ahasan, S.,  Barnes, A., Bell, I., Bowater, R.,  Elliman, J., Flint, M., Hamann, M., Jakob-Hoff, M., R.,  Jones,  K., Orduna, S.K., Loganathan, A.L., Rajakaruna, R., Mark Read, M., Walker, G., Work, T., Wittaker, M., Baverstock, W., Blyde, D., Crespo-Picazo, J.L., Eghbali, M., Freggi, D., Gardner, B., Giliam, J., Hale, H., Hyland, K.P., March, D., Mobaraki, A., Mohammadi, M., Nicolle, N., Owens, L., Parga, M., Robinson, D., Saladin, C., Spiby, K., Hipolito, T.V., Wrobel, D., Young, E. and Ariel, A. (2020) Sea turtle disease risk analysis. PLosOne.https://doi.org/10.1101/2020.03.10.985432. PDF  

• Dangolla, A., Wijesundara, D.L.R., Blair, D., Fernando, D.D., Wijesundera, K.K., Chathuranga, W.G.D. de Silva W.A.P.P. and Rajakaruna R.S. (2020) Canine trypanosomosis in Sri Lanka: An emerging problem reported from three distinct geographic locations. Parasitology International. 77. https://doi.org/10.1016/j.parint.2020.102129. PDF

• Sepalage, C.S., Perera, P.K. and Rajakaruna, R.S. (2020) Enteric helminthiasis in dogs of University of Peradeniya premises: a potential public health problem. Ceylon Journal of Science 49: 29-36 DOI: http://doi.org/10.4038/cjs.v49i1.7703. PDF

• Rajakaruna, R.S., Pemadasa, M.G.N.M., Elepathage, M. and Abeysundara, S.P. (2020) Fisher perception and practices and sea turtle bycatch in Sri Lanka. Indian Ocean Turtle Newsletter. 31:1-13. PDF

• Sepalage, C.S. and Rajakaruna, R.S. (2020) Gastro-intestinal helminth and protozoan infections of wild mammals in four major national parks in Sri Lanka. Journal of Threatened Taxa. 12: 17093–17104 DOI: 10.11609/jott.5160.12.15.17093-17104 PDF

 

 2019

• Rajakaruna, R.S. and Diyes, G.C.P. (2019) Spinose ear tick Otobius megnini infestations in race horses. In Ticks and Tick Borne pathogens. Editors: M. Abubakar and P.K. Perera. InTechOpen. PDF

• Pathirana, N.U.K., Meegaskumbura, M. and Rajakaruna, R.S. (2019) Infection sequence alters disease severity—Effects of the sequential exposure of two larval trematodes to Polypedates cruciger tadpoles. Ecology and Evolution 1-11. PDF

• Pathirana, N.U.K., Meegaskumbura, M. and Rajakaruna, R.S. (2019) Host resistance and tolerance to parasitism: age dependent fitness consequences in common hourglass tree frog Polypedates cruciger exposed to two larval trematodes. Canadian Journal of Zoology.97: 11 https://doi.org/10.1139/cjz-2018-0126. PDF

• Jayatilaka, P.S., Pinnagoda, P.P.H., Gunawardena, P.E., Ginarathne, K.M.H., Silva, I.D., Wijeyawardena, N., Mallawa, M.R.C.K., Karunaratne, T.M.K., Dangolla, A and Rajakaruna, R.S. (2019) Emergence of a thrombocytopenic disorder in a group of working dogs of Sri Lanka Air Force. Sri Lanka Veterinary Journal 65:13-15. PDF

• Bandaranayaka, K.O., Rajapakse, R.P.V.J. and Rajakaruna, R.S. (2019) Potentially zoonotic gastrointestinal parasites of dogs in Lunugala Tea estate community in Central Sri Lanka. Ceylon Journal of Science. 48: 43–50. DOI: http://doi.org/10.4038/cjs.v48i1.7587. PDF

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 2018

• Dyes, G.C.P., Rajapakse, R.P.V.J. and Rajakaruna R.S. (2018) Molecular evidence of Babesia infections in Spinose ear tick, Otobius megnini infesting stabled horses in Nuwara Eliya racecourse: A case study. Ceylon Journal of Science 47(4) 2018: 405-409. PDF

• Abeysekara, N.N., Rajapakse, R.P.V.J. and Rajakaruna, R.S. (2018) Comparative cross-sectional survey on gastrointestinal parasites of captive, semi-captive, and wild Elephants of Sri Lanka. Journal of Threatened Taxa. 10(5): 11583–11594. PDF

• Pathirana, N.U.K. and Rajakaruna, R.S. (2018) Trematode infections in frogs: Do all cercarial morphotypes infect and induce effects on the common hourglass tree frog, Polypedates cruciger? Ceylon Journal of Science. 47: 319-330. DOI: http://doi.org/10.4038/cjs.v47i4.7549 PDF

• Phillott, A., Hewapathiranage, S., and Rajakaruna, R.S. (2018) Unregulated numbers and management practices of sea turtle hatcheries: An on-going concern in Sri Lanka. Indian Ocean Turtle Newsletter. 27: 8-17. PDF 

• Ratnayake, Y. and Rajakaruna, R.S. (2018) Cocktail effect of Profenophos and Abamectin on tadpoles of Asian Common Toad (Duttaphrynus melanostictus) Ceylon Journal of Science 47: 185-194. PDF

 

2017

• Diyes, P., Karunaratne, N., Silva, S., Karunaratne, I. and Rajakaruna, R.S. (2017) Ants as potential biological control agents of spinose ear tick, Otobius megnini (Dugès) associated with horse otoacariasis in Sri Lanka. Acarologia 57: 747-753 DOI: 10.1051/acarologia/20174200. PDF

• Sands, F., Apanaskevich, D., Matthee, S., Horak, I., Harrison, A., Karim, S., Mohammad, M., Mumcuoglu, K., Rajakaruna, R.S., Santos-Silva, M., Kamani, J. and Matthee, C. (2017) Effects of tectonics and large scale climatic changes on the evolutionary history of Hyalomma ticks. Molecular Phylogenetics and Evolution 114: 153–165. PDF

• Jenkins, T.P., Rathnayake, Y, Perera, P.K., Peachey, L.E., Nolan, M.J. Krause L., Rajakaruna, R.S. Cantacessi, C. (2017) Infections by human gastrointestinal helminths are associated with changes in faecal microbiota diversity and composition. PLoS ONE 12(9): doi.org/10.1371/journal.pone. 0184719. PDF

• Jayawardena, U.A., Rohr, J.R., Amerasinghe, P.H. Navaratne, A.N., and Rajakaruna, R.S.  (2017) Effects of agrochemicals on disease severity of Acanthostomum burminis infections (Digenea: Trematoda) in the Asian common toad, Duttaphrynus melanostictus BMC Journal of Zoology. doi: https://doi.org/10.1101/165795. PDF

• Ekanayake, E.M.L., Kapurusinghe, T., Saman, M.M., Rathanakumara, D.S., Samaraweera, P., and Rajakaruna, R.S. (2017) Genetic diversity of the green sea turtle (Chelonia mydas) population nesting at Kosgoda rookery, Sri Lanka. Journal of Threatened Taxa. 9(6): 10261–10268. PDF

• Dyes, G.C.P., Apanaskevich, D.A. and Rajakaruna R.S. (2017) Life cycle of Rhipicephalus haemaphysaloides under laboratory conditions. Medical and Veterinary Entomology DOI:10.1111/mve.12238. PDF

• Kobbekaduwa, V, Fillieux, C., Thudugala, A., Rajapakse, R.P.V.J. and Rajakaruna, R.S. (2017) First record of tapeworm Moniezia (Cestoda: Anoplocephalidae) infections in leopards: Coprological survey of gastrointestinal parasites of wild and captive cats in Sri Lanka. Journal of Threatened Taxa 9(3): 9956–9961. PDF

• Dissanayake, S., Rajapakse, R.P.V.J. and Rajakaruna, R.S. (2017) Gastrointestinal parasites of domesticated and feral horses (Equus caballus) in Sri Lanka. Ceylon Journal of Science.46: 17-26. DOI: http://doi.org/10.4038/cjs.v46i1.7414. PDF

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 2016

• Dyes, G.C.P. and Rajakaruna R.S. (2016) Life cycle of Spinose ear tick, Otobius megnini (Acari: Argasidae) infesting the race horses in Nuwara Eliya, Sri Lanka. Acta Tropica DOI: 10.1016/j.actatropica.2016.11.026. PDF

• Ekanayake, E.M.L., Kapurusinghe, T., Saman, M.M., Rathanakumara, D.S., Samaraweera, P., and Rajakaruna, R.S. (2016) Reproductive Output and Morphometrics of Green Turtle, Chelonia mydas Nesting at the Kosgoda Rookery in Sri Lanka. Ceylon Journal of Science 45:103-116. PDF

• Ariyaratne, S., Apanaskevich, D., Amerasinghe, P.H. and Rajakaruna, R.S. (2016) Diversity and distribution of tick species (Acari: Ixodidae) associated with human otoacariasis and socio-ecological risk factors of tick infestations in Sri Lanka. Experimental and Applied Acarology. DOI 10.1007/s10493-016-0056-z PDF

• Dyes, G.C.P. and Rajakaruna R.S. (2016) Seasonal dynamics of spinose ear tick Otobius megnini associated with horse otoacariasis in Sri Lanka. Acta Tropica. 159:170-175. PDF

• Apanaskevich, D., Bandaranayaka, K., Apanaskevich, M. Rajakaruna, R.S. (2016) Redescription of Amblyomma integrum (Acari: Ixodidae) adults and immature stages. Medical and Veterinary Entomology. DOI: 10.1111/mve.12178. PDF

• Aviruppola, A.J.M.K., Rajapakse, R.P.V.J. and Rajakaruna, R.S. (2016) Prevalence and intensity of gatrointestinal parasites of mammals in Dehiwala National Zoological Gardens of Sri Lanka. Ceylon Journal of Science 45(1): 83-96. PDF

• Bandaranayaka, K.O., Apanaskevich, D.A. and Rajakaruna, R.S. (2016) Life cycle of Amblyomma integrum under laboratory conditions. Experimental and Applied Acarology http://link.springer.com/article/10.1007%2Fs10493-016-0034-5.  PDF

• Jayawardhana, U.A., Rohr, J., Nawaratne, A.N., Amerasinghe, P.H. and Rajakaruna, R.S. (2016) Combined effect of Pesticides and trematode infections on amphibian survival, growth and malformations in hourglass tree frog Polypedates cruciger. EcoHealth 13:111-22. PDF

• Bandaranayaka, K.O., Apanaskevich, D.A. and Rajakaruna, R.S. (2016) Life cycle of Nosomma monstrosum (Acari: Ixodidae) under laboratory conditions. Experimental and Applied Acarology. 69(1):97-106. PDF

• Yathramullage, S., Dissanayake, U., Rajakaruna, R.S. and Meegaskumbura, S. (2016) New records of small mammal hosts for four tick species from Sri Lanka. Ceylon Journal of Science. 45: 29-37. PDF

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 2015

• Dyes, G.C.P. and Rajakaruna R.S. (2015) Diversity and distribution of tick species infesting goats with four new host records from Sri Lanka. Journal of the National Science Foundation. 43(3):225-234. PDF

• Diyes, G.C.P., Karunaratne, W.A.I.P., Tomberlin, J.K. and Rajakaruna, R.S. (2015) First record of Megaselia scalaris (Loew) (Diptera: Phoridae) infesting a spinose ear tick, Otobius megnini, colony in Sri Lanka. Tropical Biomedicine. 32(4): 1–5. PDF

• Liyanarachchi, D.R., Rajakaruna, R.S., Dikkumbura, A.W., De Silva, A. and Rajapakse, R.P.V.J. (2015) Ticks (Acarina: Ixodida) infesting five reptile species in Sri Lanka with sixteen new host records. Zootaxa. 3964: 146-148. PDF

• Liyanaarachchi, D.R., Rajakaruna, R.S., Dikkumbura, A.W. and Rajapakse, R.P.V.J. (2015) Ticks infesting wild and domestic animals and humans of Sri Lanka with new host records. Acta Tropica 142:64–70. PDF

• Schousboe, M.L., Ranjitkar, S., Rajakaruna, R.S., Amerasinghe, P.H., Morales, F., Ord, R., Pearce, R., Leslie, T., Rowland, M., Gadalla, N., Konradsen, F., Bygbjerg, I.C., Roper, C. and Alifrangis, M. (2015) Multiple origins of mutations in the mdr1 gene -a putative marker of chloroquine resistance in Plasmodium vivax. PloS Neglected Tropical Diseases. DOI:10.1371/journal.pntd.0004196. PDF

• Liyanarachchi, D.R., Rajakaruna, R.S. and Rajapakse, R.P.V.J. (2015) Spotted fever group rickettsia in ticks infesting humans, wild and domesticated animals of Sri Lanka: one health approach. Ceylon Journal of Science. 44 (2): 69-76. PDF​

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 2014

• Schousboe, M.L., Ranjitkar, S., Rajakaruna, R.S., Amerasinghe, P.H., Konradsen, F., Morales, F., Ord, R., Pearce, R., Leslie, T., Rowland, M., Gadalla, N., Bygbjerg, I.C., Alifrangis, M. and Roper, C. (2014) Global and local genetic diversity of two polymorphic loci in Plasmodium vivax parasites from Asia, Africa and the Americas. Malaria Journal. 13: PDF

 

2013

• Jayawardena, U.A., Navaratne, A.N., Amerasinghe, P.H. and Rajakaruna, R.S. (2013) Malformations and mortality in the Asian Common Toad induced by exposure to pleurolophocercous cercariae (Trematoda: Cryptogonimidae). Parasitology International 62:246-252. PDF

• Rajakaruna, R.S. and Ekanayeke, E.M.L. (2013) Sea Turtle conservation and research focus in Sri Lanka. Wildlife. 9:51-55. PDF

• Kandasamy, G., Rajapakse, R.P.V.J. and Rajakaruna, R.S. (2013) Gastro-intestinal and blood parasites of a free grazing flock of sheep in Kaithady farm in the Jaffna district. Journal of the National Science Foundation. 41:195-201. PDF

• Ekanayake, E.M.L., Kapurusinghe, T. Saman M.M., Samaraweera P., Ranawana, K.B. and Rajakaruna R.S. (2013). Paternity of green turtles (Chelonia mydas) clutches laid at Kosgoda, Sri Lanka. Herpetological Conservation and Biology. 8:27-36. PDF

• Jayawardena, U. and Rajakaruna R.S. (2013) Understanding Possible Etiologies of Amphibian Crisis in Sri Lanka. Froglog 21:47-49. PDF

• Uthpala A. Jayawardena, Vasyl V. Tkach, Ayanthi N. Navaratne, Priyanie H. Amerasinghe & Rupika S. Rajakaruna (2013) Malformations and mortality in the Asian common toad induced by exposure to pleurolophocercous cercariae (Trematoda: Cryptogonimidae) Froglog 22:86. PDF

• Perera, P.K., Rajapakse, R.P.V.J. and Rajakaruna, R.S. (2013) Gastrointestinal parasites of dogs in Hantana area, Kandy district. Journal of the National Science Foundation 41: 83-93. PDF

• Rajakaruna, R.S., Ekanayake E.M.L., Kapurusinghe T., and Ranawana, K.B. (2013) Sea turtle hatcheries in Sri Lanka: Their activities and potential contribution to sea turtle conservation. Indian Ocean Turtle Newsletter. 17: 2-12. PDF

• Gunatilake, B.M.N.S and Rajakaruna, R.S. (2013) Occurrence of acanthocephalans in two cockroach species, Periplaneta americana and Pycnoscelus surinamensis. Ving. Journal of Science 11: 26-31. https://vingnanam.sljol.info/articles/abstract/10.4038/ vingnanam.v11i1. 4114/  PDF

• Jayawardena, U.A., Navaratne, A., and Amerasinghe, P.H. and Rajakaruna, R.S. (2013) Effect of exposure of ultraviolet B radiation on two anuran species Polypedates cruciger and Duttaphrynus melanostictus under empirical conditions. Ceylon Journal of Science 42:45-53. PDF

 

2012

• Rajakaruna, R.S., Wijetilake, N., E.M.L Ekanayake and Ranawana, K.B. (2012) Tortoiseshell trade in Sri Lanka: Is centuries-old trade now history?  Marine Turtle Newsletter. 134:9-11. PDF

• Sumangali, K., Rajapakse, R.P.V.J. and Rajakaruna, R.S. (2012) Urban rodents as potential reservoirs of zoonoses: a parasitic survey in two selected areas in Kandy district. Ceylon Journal of Science. 44: 71-77. PDF

• Bandara, N.W.R.V.N., Rajakaruna, R.S. and Rajapakse, R.P.V.J. (2012) Coccidia infections in goats in the Wet Zone of Sri Lanka. Sri Lanka Veterinary Journal 59:13-18. PDF

• Mahagedara, P.D. and Rajakaruna R.S. (2012) Parasites of two co-occurring house gecko species, Hemidactylus frenatus and Gehyra mutilata from Central Sri Lanka. Journal of Science 11: 32-38. PDF

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 2011

• Schousboe, M.L., Rajakaruna, R.S., Amerasinghe, P.H., Konradsen, F., Ord, R., Pearce, R., Bygbjerg, I.C., Roper, C. and Alifrangis, M. (2011) Analysis of polymorphism in the merozoite surface protein-3α gene and two microsatellite loci in Sri Lankan Plasmodium vivax: Evidence of population sub-structure in Sri Lanka. American Journal of Tropical Medicine and Hygiene. 85: 994-10. PDF

• Ariyaratne S., Dilrukshi R.M.P.I., Amerasinghe P.H. and Rajakaruna, R.S. (2011) Intra-aural ecdysis of a tick (Dermacentor auratus Supino, 1897) Ceylon Medical Journal. 56: 133-134. PDF

• Rajakaruna, R.S. and Warnakulasooriya, K.N. (2011) Gastrointestinal parasites in dairy cattle in Kandy district Sri Lanka. Annual Research Journal SLSAJ. 11:92-99. PDF

• Jayawardena, U.A., Navaratne, A.N., Amerasinghe, P.H. and Rajakaruna, R.S. (2011) Acute and chronic toxicity of four commonly used agricultural pesticides on the common toad, Bufo melanostictus. Journal of the National Science Foundation. 39(3): 267-276. PDF

• Harishchandra, H.K.S.P., Karunaratne, S.H.P.P. and Rajakaruna, R.S. (2011) Effect of mosquito larvicide Abate® on the developmental stages of the Asian common toad, Bufo melanostictus. Ceylon Journal of Science 40: 133-140. PDF

• Zhang, J.J., Senaratne, T.N.,  Daniels, R.,  Valim C.,  Alifrangis, M., Amerasinghe, P. Konradsen, F., Rajakaruna, R. Wirth, D.F., and Karunaweera, N.D. (2011) Distribution pattern of Plasmodium falciparum chloroquine transporter (pfcrt) gene haplotypes in Sri Lanka 1996 - 2006. American Journal of Tropical Medicine and Hygiene. 85(5) 811. PDF

 

 2010

• Rajakaruna, R.S., Alifrangis, M., Amerasinghe, P.H. and Konradsen, F. (2010) Pre-elimination stage of malaria in Sri Lanka: assessing the level of hidden parasites in the population. Malaria Journal. 9:25 doi:10.186/1475-2875-9-25. PDF

• Jayawardena, U. A., Rajakaruna, R.S., Navaratne, A., and Amerasinghe, P.H. (2010)  Monostome cercariae induced malformations in amphibians: effect of infection at the pre-limb-bud stage tadpoles of Polypedates cruciger Blyth. Journal of the National Science Foundation 38:241-248. PDF

• Jayawardena, U.A., Rajakaruna, R.S., Navaratne, A.N., and Amerasinghe, P.H. (2010) Toxicity of pesticides exposure on common hourglass tree frog, Polypedates cruciger. International Journal of Agriculture and Biology. 12: 641–648. PDF. 

• Ekanayake E.M.L. Rajakaruna, R.S., Kapurusinghe, T., Saman M.M., Samaraweera, P. and Ranawana, K.B. (2010) Nesting behaviour of the green turtles at Kosgoda rookery, Sri Lanka. Ceylon Journal of Science (Biological Science) 39(2): 109-120. PDF

• Gunawardena, S., Karunaweera, N.D., Ferreira, M.U., Phone-Kyaw, M., Pollack, R.J, Alifrangis, M., Rajakaruna, R.S., Konradsen, F.  Amerasinghe, P.H., Schousboe, M.L., Galappaththy, G.N.L., Abeyasinghe, R.R., Hartl, D.L. and Wirth, D.F. (2010) Geographic structure of Plasmodium vivax: Microsatellite analysis of parasite populations from Sri Lanka, Myanmar, and Ethiopia. American Journal of Tropical Medicine and Hygiene. 82: 235-242. PDF

• Jayawardena, U.A., Rajakaruna, R.S. and Amerasinghe, P.H. (2010) Cercariae of trematodes in three climatic zones in Sri Lanka. Ceylon Journal of Science (Biological Science) 39:95-108. PDF

 

 2009

• Rajakaruna, R.S., Dssanayake, D.M.N.J., Ekanayake, E.M.L. and Ranawana, K.B. (2009) Sea turtle conservation in Sri Lanka: assessment of knowledge, attitude and prevalence of consumptive use of turtle products among coastal community. Indian Ocean Turtle Newsletter 10: 1-13. PDF

 

 2008

• Rajakaruna, R.S.,  Amerasinghe, P.H., Galappaththy, G.N.L., Konradsen, F., Breit, O.J.T., Alifrangis, M. (2008) Current status of malaria and anti-malarial drug resistance in Sri Lanka. Ceylon Journal of Science (Biological Science) 37: 15-22. PDF

• Rajakaruna, R.S., Piyatissa, P.M.J.R., Jayawardena, U. A., Navaratne, A., and Amerasinghe, P.H. (2008) Trematode infection induced malformations in the common hourglass tree frog. Journal of Zoology. 275: 89-95. PDF

 2007

• Rajakaruna, R.S., Samarawickrama, V.A.M.P.K. and Ranawana, K.B. (2007) Amphibian declines and possible etiologies: the case for Sri Lanka. Journal of the National Science Foundation Sri Lanka. 35: 3-8. PDF

• Schousboe, M.L., Rajakaruna, R.S., Salanti, A., Hapuarachchi, H.C., Galappaththy, G.N.L., Bygbjerg, I.C., Amerasinghe, P.H., Konradsen, F. and Alifrangis, M. (2007) Island-wide differences in single nucleotide polymorphisms of the P. vivax dihydrofolate reductase (Pvdhfr) and dihydropteroate synthetase (Pvdhps) genes in Sri Lanka. Malaria Journal.6:28-33. PDF

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 2006

• Rajakaruna, R.S., Weerasinghe, M., Alifrangis, M., Amerasinghe, P.H. and Konradsen, F. (2006) Role of private drug vendors in malaria treatment in Sri Lanka. Journal of Vector Borne Diseases.  43: 58-65. PDF

• Rajakaruna, R.S., Brown, J.A., Kaukinen, K. and Miller, K.M (2006) MHC and kin recognition in juvenile Atlantic salmon and brook trout. Molecular Ecology 15(14): 4569-4575. PDF

• Rajakaruna, R.S. and Brown, J.A. (2006) Effect of diet on kin recognition in juvenile Atlantic salmon (Salmo salar) and brook trout (Salvelinus fontinalis) Canadian Journal of Zoology. 84: 1-7. PDF

 

 2005

• Rajakaruna, R.S., Brown, J.A., Kaukinen, K. and Miller, K.M (2005) Allelic variation in the MHC class II gene in Atlantic salmon (Salmo salar) and brook trout (Salvelinus fontinalis). Ceylon Journal of Science (Biological Science) 33: 1-13.

• Rajakaruna, R.S. and Brown, J.A. (2005) A preliminary study on the effect of social environment on the growth in juvenile Atlantic salmon (Salmo salar) and brook trout (Salvelinus fontinalis) Ceylon Journal of Science (Biological Science)  33:77-84. 

1997

• Ramasamy, R. and Rajakaruna, R.S. (1997) Association of malaria with inactivation of alpha 1,3-galactosyl transferase in catarrhines. Biochemica Et Biophysica Acta. 1360:241-246. PDF

 

1996

• Ramasamy, R., Kanagaratnam, R., Misiura, K., Rebowski, G., Amarakoon (Rajakaruna), R.S. and Stec, W.J. (1996) Anti-sense oligodeoynucleotide phosphorothioates non-specifically inhibit invasion of red blood cells by malaria parasites. Biochemical and Biophysical Research Communications. 218:930-933. PDF

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