Gunawardana, D.; Abeysiri, S.; Manage, P. (2023) Legacy of “New Normal” Plastics and “New Nitrogen” in the Cyanotoxin Footprint in Mangrove Ecosystems. Phycology 3, 106-126. https://doi.org/10.3390/phycology301000


Gunawardana, D. (2022) Genetic, Structural, Physicochemical, and Molecular Epidemiological Landscape of Three New Mutations Found in the Spike (S) Protein of Highly Transmissible Sri Lankan Delta Variant Sub-lineage AY.28: A222V, A701S, and A1078S. Journal of Environmental and Public Health, Volume 2022 | Article ID 4364131 | https://doi.org/10.1155/2022/4364131 [Impact Factor of 2.791]

Gunawardana, D., and Herath, V. (2022). A Hypothesis on How the Azolla Symbiosis Mitigates Nitrous Oxide Based on In Silico Analyses. J 5, no. 1: 166-185. https://doi.org/10.3390/j5010013

Weralupitiya C, Wanigatunge RP, Gunawardana D., Vithanage M, Magana-Arachchi D. Cyanotoxins uptake and accumulation in crops: Phytotoxicity and implications on human health. Toxicon. 2022 Mar 11:S0041-0101(22)00068-X. doi: 10.1016/j.toxicon.2022.03.003. [Impact Factor 3.033]

Yamasinghe, UR and Gunawardana, D. (2022) Isolation and characterization of putative nitrogen-fixing endophytes from three distinct wild rice species in Sri Lanka. (Accepted for Publication), Current Scientia.


Gunawardana, D. (2021)  Divergence of plastid 2-oxoglutarate “only” transporters away from general transporters by using a cysteine-rich architecture. Sri Lankan J. Biol. 2021, 6 (2): 20-31. DOI: http://doi.org/10.4038/sljb.v6i2.81

Gunawardana, D, (2021). Water: panacea, pearl and problem child. Sri Lankan Journal of Biology, 6 (1), pp.1–2. DOI: http://doi.org/10.4038/sljb.v6i1.68


Gunawardana, D.  (2020) An in silico Study of Two Transcription Factors Controlling Diazotrophic Fates of the Azolla Major Cyanobiont Trichormus azollae. Bioinformatics and Biology Insights. doi:10.1177/1177932220977490

Perera, G.R., Gunawardana, D., Jayatissa R., Silva, B.G. (2020) Estimation of Iron Content and Its Contribution in Iron-Fortified Food Products Consumed by School Children in Sri Lanka,” Journal of Food Quality, vol. 2020, Article ID 6079379, 8 pages, 2020.https://doi.org/10.1155/2020/6079379. [impact factor 1.36]


Gunawardana, D. (2019) An Exploration of Common Greenhouse Gas Emissions by the Cyanobiont of the Azolla–Nostoc Symbiosis and Clues as to Nod Factors in Cyanobacteria. Plants8, 587. [Impact factor 2.76] DOI: 10.3390/plants8120587 

Perera R., Gunawardana D., Jayatissa R., Silva B.G. (2019) Iron content of some popular cooked foods consumed by the rural school children in Sri Lanka (Accepted for publication – Journal of Food Quality) [impact factor 1.36]

Wedage, W. M. M., Aberathne, N., Harischandra, I.N., Gunawardana D. (2019) Sub1, a nodulation-proficient Non-Rhizobial inhabitant of Pueraria phaseoloidesThe Scientific World Journal (https://doi.org/10.1155/2019/9782684) [Scopus Indexed]


Pushpakumara, B.L.D.U, Gunawardana, D. (2018) Preliminary data on the presence of an alternate vanadium nitrogenase in a culturable cyanobiont of Azolla pinnata: Implications on CKDu. Data in Brief, 21, pp.2590-2597. https://doi.org/10.1016/j.dib.2018.11.073 [Impact factor – 0.97]

Atugoda D.R.A.M.T.R, Mandakini L.L.U, Bandara N.J.G.J., Gunawardana, D. (2018) How a taxonomically-ambiguous cyanobiont and vanadate assist in the phytoremediation of cadmium by Azolla pinnata: implications for CKDu. Environment and Pollution 7(1) 53-65.


Domashevskiy, A.V., Rodriguez D.J., Gunawardana, D., Goss, D.J (2016) Preparation of Functional, Fluorescently Labeled mRNA Capped with Anthraniloyl-m7GpppG. in “Synthetic mRNA: Production, Introduction Into Cells, and Physiological Consequences”. Methods in Molecular Biology, 61-75 (chapter 4).  

Gunawardana, D. (2016) PDZ binding domains, Structural Disorder and Phosphorylation – A menage-a-trois tailing Dcp2 mRNA decapping enzymes. Protein and Peptide Letters 23(999). DOI: 10.2174/0929866523666160506151720 (IF – 1.156)

Mandakini, L.L.U, Bandara, N.J.G.J., Gunawardana D. (2016) A study on the phytoremediation potential of Azolla pinnata under laboratory conditions. Journal of Tropical Forestry and Environment 6(1): 36-49.


Gunawardana, D., Domashevskey, A.V., Gayler, K.R., Goss, D.J. (2015) Efficient preparation and properties of mRNAs containing a fluorescent cap analog Anthraniloyl-m7-GpppG. Translation 3:1 e988538 [Citations – 5] (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4682804/)


Gunawardana, D., Likic, V.A., Gayler, K.R. (2009) Comprehensive bioinformatics analysis of the Nudix superfamily in Arabidopsis thaliana. Comparative and Functional Genomics 820381 (IF– 2.03); [citations – 21]


Gunawardana, D., Cheng, H.C., Gayler, K.R. (2008) Functional domains of the Arabidopsis thaliana mRNA decapping enzyme Nucleic Acids Research 36(1) 203-216 [Impact Factor  – 11.14]; [citations – 27] (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2248764/)

Sheehy, J., Gunawardana, D., Danila, F., Tan, K..G., Ferrer, A.B., Mitchell, P.L. (2008) Systems biology or the biology of systems: routes to reducing hunger. New Phytologist 179(3) 579-582 (Impact Factor – 8.512); [citations – 11]


Swarbrick, J. D., Buyya, S., Gunawardana, D., Gayler, K. R., McLennan, A. G., Gooley, P. R. (2005) Structure and substrate-binding mechanism of human Ap4A hydrolase. J Biol Chem 280(9): 8471-81 (IF – 4.238); [citations – 33] (https://www.ncbi.nlm.nih.gov/pubmed/15596429)

Swarbrick, J. D., Buyya, S., Gunawardana, D., Fletcher, J. I., Branson, K., Smith, B., Pepe, S., McLennan, A. G., Gayler, K. R., Gooley, P. R. (2005) H, 13C, and 15N resonance assignments of the 17 kDa Ap4A hydrolase from Homo sapiens in the presence and absence of ATP. J Biomol NMR 31(2): 181-182. (IF –2. 534) [Citations – 1]


Gunwardana, D., Buyya, S. Peisley, A., Fletcher, J. Maksel, D. Mclennan, A.G., Gooley, P.R., Galyer, K.R (2002) Mutagenesis studies on the NUDT hydrolase Ap4A hydrolase. Drug Development Research 56 (4), 568-568 [IF – 1.92]