![[Member-Image]](../assets/img/staff/1-parakrama_k.webp)
Deputy Vice Chancellor/ University of Peradeniya- 
Dengue vector control in Sri Lanka
Professor Lakshman Samaranayake Award for Research Excellence in Science (2023), University of Peradeniya, Sri Lanka.
PIFI Research Fellowship, Chinese Academy of Sciences (2021-2023)
General Research Committee Award (2018) for carrying out exceptionally high quality research/pioneering research in Sri Lanka over a period of time, Sri Lanka Association for the Advancement of Science (SLAAS), Sri Lanka.
SUSRED (Support Scheme for Supervision of Research Degrees) Award (2018) National Science Foundation, Sri Lanka.
CVCD Excellence Award (2016) for the most outstanding senior researcher in the field of biological sciences including agriculture and allied sciences, Committee of Vice Chancellors and Directors, University Grant Commission, Sri Lanka
Wellcome Trust Research Award, Welcome Trust, UK (2001)
17 Presidential Research Awards, National Research Council (1999-2019)
National Science Foundation Merit Award for the Best Scientific Research in Biology (1999), National Science Foundation- Sri LankaMedical and Veterinary Entomology
Chathuranga W. G. D.,
Weeraratne, T.C., Abeysundara, S.P., Karunaratne, S.H.P.P. and de Silva,
W.A.P.P (2023). Breeding site
selection and co-existing patterns of tropical mosquitoes. Medical and Veterinary Entomology, : 1–12.
DOI: https://doi.org/10.1111/mve.12656
Tropical Agricultural Research
Marasinghe, J. P., Karunarane,
S.H.P.P., Surendran S.N., Hemachandra K.S. and Nugaliadde L. (2023). Insecticide
Resistance, Resistance Mechanisms, and Phylogeny of Three Myzus persicae
Populations in Cabbage from Three Agroclimatic Zones of Sri Lanka. Tropical Agricultural Research, 34 (2): 80-93.
DOI: http://doi.org/10.4038/tar.v34i2.8621
Current Pollution Reports
Wang, C., Liu, S., Feng,
H., Barrett, H., Peng, H., Karunaratne, S.H.P.P., Zhang, Y. and Yang, M. (2023). Effects of Triclosan
on the Development of Antimicrobial Resistance
in the Environment: A Review. Current Pollution Reports, .
DOI: https://doi.org/10.1007/s40726-023-00270-x
Journal of Tropical Medicine
J. M. Manel K. Herath, Hemalika T. K. Abeyasundara, W. A. Priyanka P. De Silva, Thilini C. Weeraratne and S. H. P. Parakrama Karunaratne (2022). Weather-Based Prediction Models for the Prevalence of Dengue
Vectors Aedes aegypti and Ae. albopictus. Journal of Tropical Medicine, Volume 2022, Article ID 4494660: 10 pages.
DOI: https://doi.org/10.1155/2022/4494660
Journal of National Science Foundation Sri Lanka
S.H.P.P. Karunaratne and S.N. Surendran (2022). Mosquito Control: A Review on the Past, Present and Future Strategies. Journal of National Science Foundation Sri Lanka, 50 (Special): 277-292.
DOI: http://dx.doi.org/10.4038/jnsfsr.v50i0.11244
Ceylon Journal of Science
W.G.D. Chathuranga, T.C. Weereratne, S.H.P.P. Karunaratne and W.A.P.P. De Silva (2022). Spatial distribution pattern of ornithophilic mosquitoes along the vertical axis in forest
habitats. Ceylon Journal of Science, 51(3): 209-216.
DOI: DOI: http://doi.org/10.4038/cjs.v51i3.8029
Annals of Sri Lanka Department of Agriculture
J.P. Marasinghe, R.J.K.N.P. Samarasinghe, S.R.K. Madugalla, L. Nugaliyadde, K.S. Hemachandra, S.H.P.P. Karunaratne (2022). Bio-efficacy of Selected Novel Insecticides for the Management of Whiteflies and Aphids in Bitter Gourd and Brinjal in Sri Lanka. Annals of Sri Lanka Department of Agriculture, 24: 33-47.
Parasites & Vectors
Weeraratne, T.C., Karunaratne, S.H.P.P., Reimer, L.J., De Silva, W.A.P.P. & Wondji, C.S. (2021). Use of transcriptional age grading
technique to determine the chronological age of Sri Lankan female dengue
mosquitoes; Aedes aegypti and Aedes albopictus.. Parasites & Vectors, 14: 493.
DOI: https://doi.org/10.1186/s13071-021-04994-x.
PLoS ONE
Pathirage, D.R.K., Weeraratne, T.C., Senanayake, S.C., Karunaratne, S.H.P.P. and Karunaweera, N.D. (2021). Genetic diversity and population structure of Phlebotomus argentipes: vector of leishmaniasis in Sri Lanka. PLoS ONE, .
DOI: https://doi.org/10.1371/journal.pone.0256819
Parasitology Research
Chathuranga, W.G.D., Fernando, B.R., Weereratne, T.C., Karunaratne,
S.H.P.P. and De Silva, W.A.P.P. (2021). Blood parasites of bird communities in Sri Lanka and their mosquito
vectors.
. Parasitology Research, .
DOI: https://doi.org/10.1007/s00436-021-07049-3
Journal of national Science Foundation Sri Lanka
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 national Science Foundation Sri Lanka, 49(4): 551-561.
DOI: http://dx.doi.org/10.4038/jnsfsr.v49i4.10307
Journal of National Science Foundation Sri Lanka
Marasinghe, J.P. and Karunaratne, S.H.P.P. (2021). Evaluation of
insecticide resistance and underlying resistance mechanisms in selected
whitefly populations in Sri Lanka. Journal of National Science Foundation Sri Lanka, 49(4): 469-478.
DOI: http://dx.doi.org/10.4038/jnsfsr.v49i4.10312
Parasites & Vectors
Pathirage, D.R.K., Karunaratne, S.H.P.P., Senanayake, S.C. and Karunaweera, N.D. (2020). Insecticide susceptibility of the sand fly leishmaniasis vector Phlebotomus argentipes in Sri Lanka. Parasites & Vectors, 13: 246.
DOI: https://doi.org/10.1186/s13071-020-04117-y
Ecological Entomology
De Silva, W.A.P.P., Bernal, X.E., Chathuranga, W.G.D., Herath, B.P., Ekanayake, C., Abeysundara, H.T.K. and Karunaratne, S.H.P.P. (2020). Feeding patterns revealed host partitioning in a community of frog-biting mosquitoes. Ecological Entomology, 1: 9.
DOI: https://doi.org/10.1111/een.12874
Journal of Asia-Pacific Entomology
Chathuranga, W.G.D., Karunaratnea, S.H.P.P., De Silva, W.A.P.P. (2020). Predator–prey interactions and the cannibalism of larvae of Armigeres subalbatus (Diptera: Culicidae). Journal of Asia-Pacific Entomology, 23: 124-131.
DOI: https://doi.org/10.1016/j.aspen.2019.11.010
International Journal of Tropical Insect Science
Nugapola, N.W.N.P., De Silva, W.A.P.P., Weeraratne, T.C. and Karunaratne, S.H.P.P. (2020). kdr type mutations and enhanced GST based insecticide resistance in dengue vector mosquitoes Aedes aegypti and Aedes albopictus. International Journal of Tropical Insect Science, .
DOI: https://doi.org/10.1007/s42690-020-00219-3
Ceylon Journal of Science
Surendran, S.N.,
Senthilnanthanan, M., Jayadas, T.T.P., Karunaratne, S.H.P.P.
and Ramasamy, R (2020). Impact of salinization and pollution of groundwater on the adaptation of
mosquito vectors in the Jaffna peninsula, Sri Lanka. . Ceylon Journal of Science, 49(2): 135-150.
DOI: https://doi.org/10.4038/cjs.v49i2.7734
Journal of Entomological Science
Surendran, S.N., Marasinghe, J.P., , Gajapathy, K., Tharmatha, T., Sivabalakrishnan,
K., Weeraratne, T.C. and Karunaratne, S.H.P.P. (2019). Genotyping of Bemisia tabaci (Hemiptera: Aleyrodidae) reveals the presence of two
genetic groups in Sri Lanka. Journal of Entomological Science, 54(2): 87-93.
DOI: https://doi.org/10.18474/JES18-68
Parasites & Vectors
Sivabalakrishnan, K., Weerarathne, T.C., Thileepan, A., Karunaratne,
S.H.P.P., Ramasamy,, R. and Surendran, N.S. (2019). Susceptibility to common insecticides and detoxifying enzyme activities
in Anopheles sundaicus (sensu lato) after cessation of indoor residual spraying
of insecticides in the Jaffna Peninsula and its surroundings in northern Sri
Lanka. Parasites & Vectors, 12:13.
DOI: https://doi.org/10.1186/s13071-018-3254-1
Ceylon Journal of Science
Daluwaththa, H.S.S. Karunaratne. S.H.P.P., de Silva, W.A.P.P. (2019). Species composition of mosquitoes associated with a livestock field
station. Ceylon Journal of Science, 48(1): 77-84.
DOI: https://doi.org/10.4038/cjs.v48i1.7591
Frontiers in Public Health
Surendran, S.N., Sivabalakrishnan, K., Sivasingham,
A., Jayadas, T.T.P., Karvannan, K., Santhirasegaram, S., Gajapathy, K., Senthilnanthanan,
M., Karunaratne, S.H.P.P. and Ramasamy, R. (2019). Anthropogenic Factors Driving Recent Range Expansion
of the Malaria Vector Anopheles stephensi.. Frontiers in Public Health, 7: 53.
DOI: https://doi.org/10.3389/fpubh.2019.00053
Parasites & Vectors
Punchiheva, R., De
Silva, W.A.P.P., Weeraratne, T.C. and Karunaratne,
S.H.P.P. (2019). Insecticide
resistance mechanisms with novel ‘kdr’ type gene mutations
in the tropical bed bug Cimex
hemipterus. Parasites & Vectors, 12: 310.
DOI: https://doi.org/10.1186/s13071-019-3565-x
Parasites and Vectors
Surendran, S.N.,
Jayadas, T.T.P., Sivabalakrishnan, K., Santhirasegaram, S., Karvannan, K.,
Weerarathne, T.C., Karunaratne, S.H.P.P.,
Ramasamy, R. (2019). Development
of the major arboviral vector Aedes
aegypti in urban drain-water and associated pyrethroid
insecticide resistance is a potential global health challenge. Parasites and Vectors, 12: 337.
DOI: https://doi.org/10.1186/s13071-019-3590-9
Parasites & Vectors
Weeraratne, T.C., Surendran, S.N. and Karunaratne, S.H.P.P. (2018). DNA barcoding of
morphologically characterized mosquitoes belonging to subfamily Culicinae from
Sri Lanka. Parasites & Vectors, 11: 266.
DOI: https://doi.org/10.1186/s13071-018-2810-z
Journal of Vector Ecology
Chathuranga, W.G.D., Karunaratne, S.H.P.P., Fernando, B.R. and De Silva, W.A.P.P. (2018). Diversity, distribution, abundance and feeding
pattern of tropical Ornithophilic mosquitoes. Journal of Vector Ecology, 43(1): 158-167.
DOI: https://doi.org/10.1111/jvec.12295
Parasites & Vectors
Surendran, S.N., Sivabalakrishnan,
K., Gajapathy, K., Arthiyan, S., Jayadas, T.T.P., Karvannan, K., Raveendran,
S., Karunaratne, S.H.P.P. and Ramasamy,
R. (2018). Genotype and biotype of invasive Anopheles
stephensi in Mannar Island of Sri Lanka. Parasites & Vectors, 11: 3.
DOI: https://DOI.org/10.1186/s13071-017-2601-y
Malaria Journal
Weeraratne, T.C., Surendran, Walton, C. & Karunaratne, S.H.P.P. (2018). Genetic diversity and population structure of Malaria vector mosquitoes Anopheles subpictus, Anopheles peditaeniatus
and Anopheles vagus in five districts
of Sri Lanka. Malaria Journal, 17: 271.
DOI: https://doi.org/10.1186/s12936-018-2419-x
Ceylon Journal of Science
Karunaratne, S.H.P.P., De Silva, W.A.P.P., Weeraratne, T.C. and Surendran, S.N. (2018). Insecticide Resistance in Mosquitoes: Development, Mechanisms and Monitoring. Ceylon Journal of Science, 47(4): 299-309.
DOI: https://doi.org/10.4038/cjs.v47i4.7547
Malaria Journal
Weeraratne, T.C., Surendran, S.N., Reimer, L.J., Wondji, C.S., Perera, M.D.B., Walton, C. & Karunaratne, S.H.P.P. (2017). Molecular characterization of Anopheline (Diptera:Culicidae) mosquitoes from eight geographical locations of Sri Lanka. Malaria Journal, 16: 234.
DOI: https://doi.org/10.1186/s12936-017-1876-y
Parasites & Vectors
Nugapola, N.W.N.P., De Silva, W.A.P.P. & Karunaratne, S.H.P.P. (2017). Distribution and phylogeny of Wolbachia strains in wild mosquito populations of Sri Lanka. Parasites & Vectors, 10: 230.
DOI: https://doi.org/10.1186/s13071-017-2174-9
Pesticide Biochemistry and Physiology
Bandara, K.M.U.J. and Karunaratne, S.H.P.P. (2017). Mechanisms of acaricide resistance in the cattle tick Rhipicephalus (Boophilus) microplus in Sri Lanka. Pesticide Biochemistry and Physiology, 139: 68-72 .
Journal of the National Science Foundation
Marasinghe, J.P., Hemachandra, K. S., Nugaliyadde, L. and Karunaratne, S.H.P.P. (2017). Control failure of Sri Lankan whitefly (Bemisia tabaci Genn.) is due to high resistance development against recommended insecticides. Journal of the National Science Foundation, 45(1): 23-31 .
International Journal of Tropical Insect Science
Abeyasuriya, K.G. T.N., Nugapola, N.W.N.P., Perera, D.B.M., Kasrunaratne, W.A.I.P. and Karunaratne, S.H.P.P. (2017). Effect of dengue mosquito control insecticide thermal fogging on non-target insects. International Journal of Tropical Insect Science, Vol. 37, No. 1, pp. 11–18 .
Parasites & Vectors
Surendran, S.N., Truelove, N., Sarma, D.K., Jude, P.J., Ramasamy, R., Gajapathy, K., Peiris, L.B.S., Karunaratne, S.H.P.P., Walton, C. (2015). Karyotypic assignment of Sri Lankan Anopheles culicifacies species B and E does not correlate with cytochrome oxidase subunit I and microsatellite genotypes. Parasites & Vectors, 06/2015; 8(1): 327.
DOI: https://doi.org/10.1186/s13071-015-0944-9
Pesticide Biochemistry and Physiology
Karunaratne, S.H.P.P., Weeraratne, T.C., Perera, M.D.B. & Surendran, S.N. (2013). Insecticide resistance and, efficacy of space spraying and larviciding in the control of dengue vectors Aedes aegypti and Aedes albopictus in Sri Lanka. Pesticide Biochemistry and Physiology, 107: 98-105 .
International Journal of Tropical Insect Science
Weeraratne, T.C., Perera, M.D.B., Mansoor, M.A.C.M. and Karunaratne, S.H.P.P. (2013). Prevalence and the breeding habitats of dengue vectors Aedes aegypti and Aedes albopictus in semi-urban areas in two different climatic zones in Sri Lanka. International Journal of Tropical Insect Science, 33 (4): 216-226 .
Parasites & Vectors
Surendran, S.N., Jude, P.J., Weerarathne, T.C., Karunaratne, S.H.P.P. & Ramasamy, R. (2012). Variations in susceptibility to common insecticides and resistance mechanisms among morphologically identified sibling species of the malaria vector Anopheles subpictus in Sri Lanka. Parasites & Vectors, 5: 34 .
Science
Bartholomay, L.C., Waterhouse, R.M., Mayhew, G.F., Campbell, C.L., Michel, K., Zou, Z., Ramirez, J.L., Das, S., Alvarez, K., Arensburger, P., Bryant, B., Chapman, S.B., Dong, Y., Erickson, S.M., Karunaratne, S.H.P.P., Kokoza, V., Kodira, C.D., Pignatelli, P., Shin, S.W., Vanlandingham, D.L., Atkinson, P.W., Birren, B., Christophides, G.K., Clem, R.J., Hemingway, J., Higgs, S., Megy, K., Ranson, H., Zdobnov, E. M., Raikhel, A.S., Christensen, B.M., Dimopoulos, G., Muskavitch, M.A.T. (2010). Pathogenomics of Culex quinquefasciatus and meta-analysis of infection responses to diverse pathogens. Science, 330: 88-90.
Malaria Journal
Perera, M.D.B., Hemingway, J. and Karunaratne, S.H.P.P. (2008). Multiple insecticide resistance mechanisms involving metabolic changes and insensitive target sites selected in anopheline vectors of malaria in Sri Lanka. Malaria Journal, 7: 168 .
Insect Biochemistry and Molecular Biology
Strode, C., Wondji, C.S., David, J-P, Hawkes, N.J., Lumjuan, N., Nelson, D.R., Drane, D.R., Karunaratne, S.H.P.P., Hemingway, J., Black, W.C. & Ranson, H. (2008). Genomic analysis of detoxification genes in the mosquito Aedes aegypti. Insect Biochemistry and Molecular Biology, 38(1): 113 – 123 .
Journal of Vector Borne Diseases
Kannathasan, S., Antonyrajan, A., Srikrishnaraj, K.A., Karunaratne, S.H.P.P., Karunaweera, N.D., Surendran, S.N. (2008). Studies on prevalence of anopheline species and community perception of malaria in Jaffna district, Sri Lanka. Journal of Vector Borne Diseases, 45: 231 - 239 .
Tropical Medicine and International Health
Wondji, C.S., De Silva, W.A.P.P., Hemingway, J. Ranson & KARUNARATNE, S.H.P.P. (2008). Characterization of knock down resistance (kdr) in DDT and pyrethroid resistant Culex quinquefasciatus populations from Sri Lanka. Tropical Medicine and International Health, 13(4): 548 - 555 .
Journal of the National Science Foundation of Sri Lanka
DE SILVA, W.A.P.P., KARUNARATNE, S.H.P.P. & MANUWEERA, G.K. (2008). Insecticidal activity of Euphorbia antiquorum latex and its preliminary chemical analysis. Journal of the National Science Foundation of Sri Lanka, 36(1): 15 - 23 .
Pesticide Biochemistry and Physiology
KARUNARATNE, S.H.P.P., DAMAYANTHI, B.T., FAREENA M.H.J., IMBULDENIYA, V., & HEMINGWAY, J. (2007). Insecticide resistance in the tropical bedbug Cimex hemipterus. Pesticide Biochemistry and Physiology, 88: 102-107 .
Pesticide Biochemistry and Physiology
KARUNARATNE, S.H.P.P., HAWKES, N.J., PERERA, M.D.B., RANSON, H. & HEMINGWAY, J. (2007). Mutated sodium channel genes and elevated monooxygenases are found in pyrethroid resistant populations of Sri Lankan malaria vectors. Pesticide Biochemistry and Physiology, 88: 108-113 .
Journal of the National Science Foundation of Sri Lanka
KARUNARATNE, S.H.P.P., WEERAKOON, K.C., NUGALIYADDA, L. & MANUWEERA, G.K. (2007). Susceptibility of rice insect pests and their natural enemies to commonly used insecticides. Journal of the National Science Foundation of Sri Lanka, 35(2): 97-102 .
Journal of the National Science Foundation of Sri Lanka
KARUNARATNE, S.H.P.P. & WEERAKOON, K.C. (2007). Involvement of metabolic and insensitive acetylcholin-esterase mecanisms in insecticide resistance of rice insect pest and predatory populations at Batalagoda, Sri Lanka. Journal of the National Science Foundation of Sri Lanka, 35(2): 103-108 .
Archives of Disease in Childhood
Thomas, D.R. McCarroll, L., Roberts, R., Karunaratne, S.H.P.P., Roberts. C., casey, D., Morgan, S., Touhig, K., Morgan, J. Collins F. and Hemingway, J. (2006). Surveillance of insecticide resistance in head lice using biochemical and molecular methods. Archives of Disease in Childhood, 91: 777-779 .
Bulletin of Entomological Research
SURENDRAN, S.N., KARUNARATNE, S.H.P.P., ADAMS, Z, HEMINGWAY, J. & HAWKES, N.J. (2005). Molecular and Biochemical Characterization of a Sand Fly Population from Sri Lanka: Evidence for Insecticide Resistance due to Altered Esterases and Insensitive Acetylcholinesterase. Bulletin of Entomological Research, 95: 371-380 .
Journal of the National Science Foundation of Sri Lanka
DAMAYANTHI, B.T. & KARUNARATNE, S.H.P.P. (2005). Biochemical characterisation of insecticide resistance in vegetable insect pests and predatory ladybird beetles. Journal of the National Science Foundation of Sri Lanka, 33(2): 115-122 .
Transactions of the Royal Society of Tropical Medicine & Hygiene
Kelly-Hope, L.A, Yapabandara, A.M.G.M, Wickramasinghe, M.B, Perera, M.D.B, Karunaratne, S.H.P.P., Fernando, W.P, Siyambalagoda, R.R.M.L.R, Herath, P.R.J, Galappaththy, G.N.L & J. Hemingway (2005). Spatio-temporal distribution of insecticide resistance in Anopheles culicifacies and Anopheles subpictus in Sri Lanka. Transactions of the Royal Society of Tropical Medicine & Hygiene, 99: 751-761 .
Current Science
KARUNARATNE, V., WICKRAMASINGHE, A., HERATH, A.M.C., AMERASINGHE, P.H., KARUNARATNE, S.H.P.P. & RAJAPAKSE, R.M.G. (2005). Phototoxic effect of some porphyrin derivatives against the larvae of Aedes aegypti, a major vector of dengue fever. Current Science, 89(1): 170-173 .
Physiological Entomology
VONTAS, J.G., MCCARROLL, L., KARUNARATNE, S.H.P.P., LOUIS, C., HURD, H. & HEMINGWAY, J. (2004). Does environmental stress affect insecticide-vectored parasite transmission?. Physiological Entomology, 29: 210-213 .
Bulletin of the World Health Organization
KARUNARATNE, S.H.P.P. & HEMINGWAY, J. (2001). Malathion resistance and prevalence of the malathion carboxylesterase mechanism in populations of Sri Lankan mosquito vectors of disease. Bulletin of the World Health Organization, 79: 1060-1064 .
Nature
MCCARROLL, L., PATON, M.G., KARUNARATNE, S.H.P.P, JAYASURIYA, H.T.R., KALPAGE, K.S.P. & HEMINGWAY, J. (2000). Insecticides and mosquito-borne diseases: Insecticide resistance in mosquitoes can also interfere with developing parasites. Nature, 407: 961-962.
Medical and Veterinary Entomology
KARUNARATNE, S.H.P.P. & HEMINGWAY, J. (2000). Insecticide resistance spectra and the underlying resistance mechanisms in populations of Japanese encephalitis vector mosquitoes, Culex tritaeniorhynchus and C. gelidus, from Sri Lanka. Medical and Veterinary Entomology, 14: 430-436 .
Biochemical Journal
PATON, M.G., KARUNARATNE, S.H.P.P., GIAKOUMAKI, E., ROBERTS, N. & HEMINGWAY J. (2000). Quantitative analysis of gene amplification in insecticide resistant Culex mosquitoes. Biochemical Journal, 346: 17-24 .
Southeast Asian Journal of Tropical Medicine and Public Health
KARUNARATNE, S.H.P.P. (1999). Insecticide cross-resistance spectra and underlying resistance mechanisms of Sri Lankan anopheline vectors of malaria. Southeast Asian Journal of Tropical Medicine and Public Health, 30 (3): 460-469 .
International Journal of Pest Management
KARUNARATNE, S.H.P.P., SMALL, G.J. & HEMINGWAY, J. (1999). Characterization of the elevated esterase- associated insecticide resistance mechanism in Nilaparvata lugens Stal and other planthopper species. International Journal of Pest Management, 45(3): 225-230 .
collected from rice and the wild grass Leersia hexandra.
HEMINGWAY, J., KARUNARATNE, S.H.P.P. & CLARIDGE, M.F. (1999). Insecticide resistance spectrum and underlying resistance mechanisms in tropical populations of the brown planthopper (Nilaparvata lugens. collected from rice and the wild grass Leersia hexandra., International Journal of Pest Management: 45(3).
Medical and Veterinary Entomology
SMALL, G.J., KARUNARATNE, S.H.P.P. & HEMINGWAY, J. (1999). Molecular and kinetic evidence for allelic varients of esterase Est β1 in the mosquito Culex quinquefasciatus. Medical and Veterinary Entomology, 13: 274-281 .
Insect Molecular Biology
KARUNARATNE, S.H.P.P., VAUGHAN, A., PATON, M.G. & HEMINGWAY J. (1998). Amplification of a serine esterase gene is involved in insecticide resistance in Sri Lankan Culex tritaeniorhynchus. Insect Molecular Biology, 74): 307-315 .
Journal of the National Science Council of Sri Lanka
KARUNARATNE, S.H.P.P. & HEMINGWAY, J. (1998). Identical restriction enzyme maps of the amplicon containing the Estα21 and Estβ21 insecticide resistance genes in Culex quinquefasciatus colonies from Saudi Arabia, Tanzania and Sri Lanka. Journal of the National Science Council of Sri Lanka, 26(4): 311-319 .
Medical and Veterinary Entomology
SMALL G.J., KARUNARATNE, S.H.P.P., CHADEE, D.D. & HEMINGWAY, J. (1998). Characterization of amplified esterase Estβ12 associated with organophosphate resistance in a multi-resistant population of the mosquito Culex quinquefasciatus from Cuba. Medical and Veterinary Entomology, 12: 187-191 .
Medical and Veterinary Entomology
HEMINGWAY, J. & KARUNARATNE, S.H.P.P. (1998). Mosquito carboxylesterases: A review of the molecular biology and biochemistry of a major insecticide resistance mechanism. Medical and Veterinary Entomology, 12: 1-12 .
Pesticide Biochemistry & Physiology
KARUNARATNE, S.H.P.P. & HEMINGWAY, J. (1996). Different insecticides select multiple carboxylesterase isoenzymes and different resistance levels from a single population of Culex quinquefasciatus. Pesticide Biochemistry & Physiology, 54: 4-11 .
The Journal of Biological Chemistry
KARUNARATNE, S.H.P.P., HEMINGWAY, J., JAYAWARDENA, K.G.I., DASSANAYAKA, V. & VAUGHAN, A. (1995). Kinetic and molecular differences in the amplified and non-amplified esterases from insecticide resistant and susceptible Culex quinquefasciatus mosquitoes. The Journal of Biological Chemistry, 270(52): 31124-31128 .
Pesticide Biochemistry & Physiology
KARUNARATNE, S.H.P.P., JAYAWARDENA, K.G.I. & HEMINGWAY, J. (1995). The cross-reactivity spectrum of a polyclonal antiserum raised against the native amplified A2 esterase involved in insecticide resistance. Pesticide Biochemistry & Physiology, 53: 75-83 .
Bulletin of Entomological Research
JAYAWARDENA, K.G.I., KARUNARATNE, S.H.P.P., KETTERMAN, A.J. & HEMINGWAY, J. (1994). Determination of the role of elevated B2 esterase in insecticide resistance in Culex quinquefasciatus from studies on the purified enzyme. Bulletin of Entomological Research, 84: 39-44 .
American Journal of Tropical Medicine and Hygiene
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