Dr. G.N Dilrukshi

BSc Medical Laboratory Sciences (USJ), Doctor of Philosophy (USJ)

Senior Lecturer (Grade II)

Medical Laboratory Sciences

Medical Microbiology, Molecular Biology

Microbiome in health and disease, Infectious diseases and antimicrobial resistance, PCR, Sequencing and NGS, Biofilm

MDU4303 Clinical Biochemistry II

MDU4307 Virology & Mycology

MDU4406 Histopathology

MDU6503 Clinical Biochemistry III

MDU6705 Work Based Training IV

Niluka Dilrukshi, Jananie Kottahachchi, Thushari Dissanayake, Manjula Weerasekera, Asanga Sampath, Neluka Fernando. Unravelling Streptococcus agalactiae: Serotype distribution, virulence factors, obstetrics history and clinical presentation correlations in tertiary care hospitals of the western province of Sri Lanka. Indian Journal of Medical Microbiology, Volume 49, 2024, 100617, ISSN 0255-0857, https://doi.org/10.1016/j.ijmmb.2024.100617

Niluka Dilrukshi, Jananie Kottahachchi, Thushari Dissanayake, Neluka Fernando. Antibiotic Sensitivity of Group B Streptococcus from Pregnant Mothers and its Association with Resistance Genes. Med Princ Pract 2023;32(2):126-132. doi: 10.1159/000530525. Epub 2023 Apr 6. c.

Sohani Medis, Thushari Dissanayake, Jananie Kottahachchi, Dhananja Namali, Samanmalee Gunasekara, Gayan Wijesinghe, Niluka Dilrukshi, Manjula Weerasekera. Biofilm formation and antibiotic resistance among Coagulase Negative Staphylococcus species isolated from central venous catheters of intensive care unit patients. Indian J Med Microbiol. 2023 Mar-Apr; 42:71-76. doi: 10.1016/j.ijmmb.2022.10.007. Epub 2022 Nov 15.

Guruge Niluka Dilrukshi, Jananie Kottahachchi, Thushari Dissanayake, Manjula Weerasekera, Mudara Peiris, Sohani Medis, Neluka Fernando. In -vitro biofilm formation of vaginal isolates of Streptococcus agalactiae; Effect of pH and culture media. 2021“Brazilian archives of biology and technology an international journal” • https://doi.org/10.1590/1678-4324-2021210151

Dilrukshi GN, Kottahachchi J, Dissanayake DMBT, Pathiraja RP, Karunasingha J, Sampath MKA, Vidanage UA, Fernando SSN. Group B Streptococcus colonization and their antimicrobial susceptibility among pregnant women attending antenatal clinics in tertiary care hospitals in the Western Province of Sri Lanka. Taylor & Francis Journal ‘Journal of Obstetrics and Gynecology’, an international, peer-reviewed journal. 2020 https://doi.org/10.1080/01443615.2020.1716313

G.N. Dilrukshi , M.M.F. Sajidha , J.M.U.N.B. Jayewardane D.M.B.T. Dissanayake. Human, cattle and goat blood as substitutes for sheep blood in blood-supplemented culture media. Sri Lankan Journal of Infectious Diseases 2018 Vol.8 (1):12-24. DOI: http://dx.doi.org/10.4038/sljid.v8i1.8163

Dilrukshi GN, Kottahachchi J, Dissanayake DMBT, Sampath MKA, Muneeswaran K, Fernando EDR, and Fernando SSN. “Interactions between Group B streptococcus and the vaginal microbiome in pregnant women”. 28th Annual Conference on Technological Advances in Science, Medicine, and Engineering (TASME) 2024 at the University of Toronto’s Scarborough Campus.

KumariW.P.P.P., AththanapolaA.K.K.S, JayarathneB.U., DilrukshiG.N., Abeynayake J. and Wijeratne D. T. “Seroprevalence of Hepatitis B Surface Antibody and associated factors among the Healthcare workers of the Western Province in Sri Lanka”. 28th Annual Conference on Technological Advances in Science, Medicine, and Engineering (TASME) 2024 at the University of Toronto’s Scarborough Campus. .

Dilrukshi GN, Kottahachchi J, Dissanayake DMBT, Sampath MKA, Jayasekara ULASL, Fonseka WASI, Vidanage UA, Fernando SSN. ‘Serotype distribution of Streptococcus agalactiae among pregnant women attending to selected antenatal clinics in Western Province of Sri Lanka’. International Research Conference in Health Sciences 2022.

Dilrukshi GN, Kottahachchi J , Dissanayake DMBT, Surige CS , Suranimala W, Perera WPS, Kapuwalla KG, Fernando SSN. Antibiotic resistance in Group B Streptococcus isolated from vaginal and rectal swabs of pregnant mothers. International Congress of Infectious Diseases 2022.

Dilrukshi GN, Kottahachchi J, Dissanayake DMBT, Weerasekera M, Silva TJ, Fernando SSN. Effect of pH and different growth media on the biofilm formation by Group B Streptococcus isolated from pregnant mothers in Sri Lanka. Research Conference in Health Sciences 2021.

Dilrukshi GN, Kottahachchi , Peiris MMK, Dissanayake DMBT, Wickrama WDSA, VidanageUA, Gunawardhana HDDN, Fernando SSN. Biofilm formation at different pH levels by group B Streptococcus isolated from pregnant women. International Conference on Multidisciplinary Approaches 2020.

Dilrukshi GN, Dissanayake DMBT, Fernando SSN, Kottahachchi J. Preliminary Study on Carriage of Group B Streptococcus among Pregnant Women in Selected Hospitals in Western Province of Sri Lanka. SLCM Annual Scientific Sessions 2019.

Dilrukshi GN, Kottahachchi J, Dissanayake DMBT, Karunasingha J, Sampath MKA, Pathiraja RP, Vidanage UA, Fernando SSN. Group B Streptococcus colonization among pregnant women: Comparison of culture and real time polymerase chain reaction. International Conference on Health Sciences 2019, Faculty of Medical Sciences, University of Sri Jayewardenepura.

Dilrukshi GN, Peris MMK, Dissanayake DMBT, Fernando SSN, Kottahachchi J. Vaginal carriage and biofilm forming ability of Group B Streptococcus among Pregnant Women in selected hospitals in western province of Sri Lanka. Sri Lankan Society for microbiology, 2019.

G.N. Dilrukshi, M.M.F. Sajida, J.M.U.N.B. Jayewardene, D.M.B.T. Dissanayake. Performance of human, cattle and goat blood as alternative to sheep blood in blood supplemented culture media. National Health Research Symposium 2017.

GAM Kularatnam, HW Dilanthi, SMV Subasinghe, S Jayasena, KADV Gunarathne, GN Dilrukshi, D De Silva, V Kesavan, EA Jasinge. Evaluation of the validity of the urine Berry spot test in screening for Mucopolysaccharidosis. Pathologist Research Symposium 2016.

First Prize in poster presentation – National Health Research Symposium 2019. First Prize in poster presentation for the paper titled “Maternal Colonization Rate and Antibiotic Susceptibility for Group B Streptococcus by Culture and Real-time PCR”. Dilrukshi GN, Kottahachchi J, Dissanayake DMBT, Fernando SSN..

Second Prize in oral presentation – Sri Lanka college of Obstetricians & Gynaecologists, 52nd annual scientific congress 2019.

Second Prize in oral presentation for the paper titled ‘Establishment of a molecular based rapid detection method to identify group B Sreptococcus in pregnant women’ Suranimala WMDH, Karunarathna HMTK, Kottawatta KSA, Kodithuwakku SP, Muhandiram MRS, Kalupahana RS, Dilrukshi GN, Ratnayake RMCJ.

Sri Lankan Society for Microbiology Publication Award 2024. Unravelling Streptococcus agalactiae: Serotype distribution, virulence factors, obstetrics history and clinical presentation correlations in tertiary care hospitals of the western province of Sri Lanka. Niluka Dilrukshi , Jananie Kottahachchi, Thushari Dissanayake, Manjula Weerasekera, Asanga Sampath, Neluka Fernando.