Science: Recent submissions

Now showing items 161-180 of 846

Characterization of Colletotrichum isolates causing avocado anthracnose and first report of C. gigasporum infecting avocado in Sri Lanka

Hunupolagama, D.M.; Wijesundera, R.L.C.; Chandrasekharan, N.V.; Wijesundera, W.S.S.; Kathriarachchi, Hashendra; Fernando, T.H.P.S. (2015)

Colletotrichum can be identified as the major causative fungal agent of avocado anthracnose all over the world. In Sri Lanka, Colletotrichum gloeosporioides reported to be the sole causative agent of avocado anthracnose. ...
A new genus and a major temperate bamboo lineage of the Arundinarieae (Poaceae: Bambusoideae) from Sri Lanka based on a multi-locus plastid phylogeny

Attigala, Lakshmi; Triplett, Jimmy K; Kathriarachchi, Hashendra; Clark, Lynn G (2014)

Kuruna, a new temperate woody bamboo (Poaceae, Bambusoideae, Arundinarieae) genus from Sri Lanka, is recognized based on chloroplast sequence data from five markers (coding: ndhF 3’ end; non-coding: rps16-trnQ, trnC-rpoB, ...
Characterization of a Bacillus megaterium strain with metal bioremediation potential and in silico discovery of novel cadmium binding motifs in the regulator, CadC

Kumari, W.M.N.H.; Thiruchittampalam, Shalini; Weerasinghe, Samantha; Chandrasekharan, N.V; Wijayarathna, C.D (Springer, 2021)

Bioremediation of toxic metal ions using bacterial strains is a promising tool. Metal binding motifs in microbial proteins are involved in the regulation and transport of such toxic metals for metal detoxification. A ...
Mitochondrial-COII sequence polymorphism reflects spatial genetic clustering of Anopheles culicifacies sibling species E in Sri Lanka

Harischandra, I.N.; Dassanayake, R.S.; de Silva, B.G.D.N.K. (Journal of Vector Borne Diseases, 2021)

Background & objectives: Malaria infects around 216 million people annually with estimated 445,000 deaths globally. Anopheles culicifacies is the vector of malaria in Sri Lanka, a complex of five morphologically identical ...
Facility reference level for common x-ray procedures: A preliminary study

Satharasinghe, DM; Jeyasugiththan, J; Pallewatte, AS; Wanninayake, WMNMB (Asia-Oceania Congress of Medical Physics (AOCMP), 2020)

Ionizing radiation is an essential tool in medical diagnosis and it brings great benefit to the patient. However, the associated risks due to the radiation are unavoidable. Therefore, close monitoring of radiation exposure ...
Evolution and biogeography of Memecylon

Amarasinghe, P.; Joshi, S.; Page, N.; Wijedasa, L.S.; Merello, M.; Kathriarachchi, Hashendra; Stone, R.D.; Judd, W.; Kodandaramaiah, U.; Cellinese, N. (2021)

PREMISE: The woody plant group Memecylon (Melastomataceae) is a large clade occupying diverse forest habitats in the Old World tropics and exhibiting high regional endemism. Its phylogenetic relationships have been ...
Regulation of Osteoblast Differentiation by Cytokine Networks

Amarasekara, Sachini; Kim, Sumi; Rho, Jaerang (2021)

Osteoblasts, which are bone-forming cells, play pivotal roles in bone modeling and remodeling. Osteoblast differentiation, also known as osteoblastogenesis, is orchestrated by transcription factors, such as runt-related ...
Development of in-house ELISAs as an alternative method for the serodiagnosis of leptospirosis

Niloofa, Roshan; Karunanayake, Lilani; de Silva, H. Janaka; Premawansa, Sunil; Rajapakse, Senaka; Handunnetti, Shiroma (2021)

Background Leptospirosis is most often diagnosed clinically, and a laboratory test with high diagnostic accuracy is required. Methods IgM and IgG ELISAs using Leptospira antigens were established and evaluated in ...
Profiling of amino acids in traditional and improved rice (Oryza sativa L.) varieties of Sri Lanka and their health promoting aspects

Liyanaarachchi, G. V. V.; Mahanama, K.R.R.; Somasiri, H.P.P.S.; Punyasiri, P.A.N.; Wijesena, K.A.K. (Springer, 2021)

Investigation made on the variation in amino acid compositions among selected traditional and newly improved rice varieties cultivated in Sri Lanka is presented. The free amino acid (FAA) composition including gamma-amino ...
Hematological Abnormalities in COVID-19: A Narrative Review

Rahman, Asma; Niloofa, Roshan; Jayarajah, Umesh; De Mel, Sanjay; Abeysuriya, Visula; Seneviratne, Suranjith L. (2021)

COVID-19 is caused by SARS-CoV-2. Although pulmonary manifestations have been identified as the major symptoms, several hematological abnormalities have also been identified. This review summarizes the reported ...
Variation in fur properties may explain differences in heat-related mortality among Australian flying-foxes

Ratnayake, Himali Udeshinie; Welbergen, Justin Arno; Ree, Rodney van der; Kearney, Michael Ray (2021)

Fur properties play a critical role in the thermoregulation of mammals and are becoming of particular interest as the frequency, intensity, and duration of extreme heat events are increasing under climate change. Australian ...
Applicability of semi quantitative approach to assess the potential environmental risks for sustainable implementation of water supply schemes: a case study of Sri Lanka

Bellanthudawa, B. K. A.; Halwatura, D.; Nawalage, N. M. S. K.; Sundarapperuma, S. R. Y. S. S. B.; Kudagama, D.; Wijesinghe, L.; Darshana, W. D.; Sifan, M. S. M.; Dassanayake, D. M. J. L.; Jayasuriya, J. M. S. N.; Pinnagoda, P. L. A. D. C.; Rathnayaka, R. M. C. Y. (2021)

Identification and quantification of environmental and socio-economic impact risks and effective monitoring of water projects are crucial for sustainable water resource management. Hence, the present study was conducted ...
Unveiling Members of Colletotrichum acutatum Species Complex Causing Colletotrichum Leaf Disease of Hevea brasiliensis in Sri Lanka

Hunupolagama, D. M.; Chandrasekharan, N. V.; Wijesundera, W. S. S.; Kathriarachchi, Hashendra; Fernando, T. H. P. S.; Wijesundera, R. L. C. (2017)

Colletotrichum is an important fungal genus with great diversity, which causes anthracnose of a variety of crop plants including rubber trees. Colletotrichum acutatum and Colletotrichum gloeosporioides have been identified ...
Reorientational dynamics of molecules in liquid methane: A molecular dynamics simulation study

Monika Madhavi, W.A.; Weerasinghe, Samantha; Momot, Konstantin I. (Elsevier, 2021)

Rotational motion of molecules in liquids plays an important role in determining the liquids' Nuclear Magnetic Resonance (NMR) spin-relaxation properties. The traditional theory of NMR spin relaxation assumes that the ...
Kirkwood–Buff-Derived Force Field for Peptides and Proteins: Philosophy and Development of KBFF20

Ploetz, Elizabeth A.; Karunaweera, Sadish; Bentenitis, Nikolaos; Chen, Feng; Dai, Shu; B. Gee, Moon; Jiao, Yuanfang; Kang, Myungshim; Kariyawasam, Nilusha L.; Naleem, Nawavi; Weerasinghe, Samantha; Smith, Paul E. (American Chemical Society, 2021)

A new classical nonpolarizable force field, KBFF20, for the simulation of peptides and proteins is presented. The force field relies heavily on the use of Kirkwood–Buff theory to provide a comparison of simulated and ...
Low-temperature thermocatalytic particulate carbon decomposition via urea solution-combustion derived CeO2 nanostructures

Ratnayake, S.P.; Mantilaka, M.M.M.G.P.G.; Sandaruwan, C.; Dahanayake, D.; Gunasekara, Y. Pivini; Jeyasakthy, S.; Gurusinghe, N.M.; Wanninayake, U.K.; de Silva, K.M. Nalin (Elsevier, 2021)

A facile, one-pot, urea solution combustion route was utilized to synthesize highly catalytic CeO2 nanostructures. CeO2 prepared under varying thermal conditions was characterized by electron microscopy, energy dispersive ...
Nano-manganese oxide and reduced graphene oxide-incorporated polyacrylonitrile fiber mats as an electrode material for capacitive deionization (CDI) technology

Siriwardane, I. W.; Rathuwadu, N. P. W.; Dahanayake, D.; Sandaruwan, Chanaka; de Silva, Rohini M.; de Silva, K. M. Nalin (Royal Society of Chemistry, 2021)

Capacitive deionization (CDI) is a trending water desalination method during which the impurity ions in water can be removed by electrosorption. In this study, nano-manganese dioxide (MnO2) and reduced graphene oxide ...
In silico analysis of effector proteins to elucidate infection strategies of fungal plant pathogens

Senanayaka, S.A.A.R.; Ariyawansa, K.G.S.U. (2020)

Plant pathogenic fungi infect plants to fulfill their nutrient requirements, and this process (pathogenesis) usually leads to disease development. The susceptibility or resistance of host plants against pathogens is partly ...
A transcriptomics approach to understanding mechano-transduction by Epichloësymbionts of grasses.

Ozturk, Aslinur; Ariyawansa, K.G.S.U.; Maclean, Paul; Koolaard, John; Bradshaw, Rosie E.; Dupont, Pierre-Yves; Eaton, Carla J.; Read, Nick D.; Gow, Neil A.R.; Voisey, Christine R. (2019)

Fungal growth is influenced by many factors, and we have recently confirmed that mechanical signals are particularly important in inducing intercalary growth in the grass symbiont, Epichloëfestucae. Hyphae growing in culture ...
EndophyticTrichodermaatroviride as biocontrol agents and growth promoters of the rice variety Bg 360

Jayasinghe, N.A.H.S.M.; Ariyawansa, K.G.S.U. (2020)

Fungal endophytes that reside symbiotically inside plant tissues are ubiquitous in nature and are known for their multifaceted functional roles against biotic and abiotic stresses in plants, thus recognized as a valuable ...

Now showing items 161-180 of 846

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