Conserved Domains and Phylogenetic Relationships of the Circumsporozoite Protein of Plasmodium vivax in Sri Lanka

International research communications
Gunarathne L N and Udagama P V
6th ASEAN Congress of Tropical Medicine and Parasitology (ACTMP), Kuala Lumpur, Malaysia.Pp 169
Publication year: 2014

Gunarathne L N and Udagama P V (2014). Conserved Domains and Phylogenetic Relationships of
the Circumsporozoite Protein of Plasmodium vivax in Sri Lanka.6th ASEAN Congress of
Tropical Medicine and Parasitology (ACTMP), Kuala Lumpur, Malaysia.Pp 169.

Seroepidemiologic study on human papilloma virus as a risk factor for oral and pharyngeal cancer in Sri Lanka

International research communications
Gunasekera S K, Perera K A and Udagama P V
Cancer Biology & Medicine, 22 nd Asia Pacific Cancer Conference, Tiangin, China. Pp 142
Publication year: 2013

Gunasekera S K, Perera K A and Udagama P V (2013). Seroepidemiologic study on human
papilloma virus as a risk factor for oral and pharyngeal cancer in Sri Lanka. Cancer Biology &
Medicine, 22 nd Asia Pacific Cancer Conference, Tiangin, China. Pp 142.

Patterns of gene flow in Plasmodium vivax population currently circulating in Sri Lanka – a comparative genetic population based study

International research communications
Dulshara, S A D, Wickramaarchchi T, Escalante A, and Udagama PV
American Society of Tropical Medicine&Hygience, 62 nd Annual Meeting, Washington DC, USA. Pp108
Publication year: 2013

Dulshara, S A D, Wickramaarchchi T, Escalante A, and Udagama PV (2013). Patterns of gene flow in
Plasmodium vivax population currently circulating in Sri Lanka – a comparative genetic
population based study. American Society of Tropical Medicine&Hygience, 62 nd Annual
Meeting, Washington DC, USA. Pp108.

Comparison of population structure of Plasmodium vivax currently circulating in Sri Lanka and of that a decade ago based on diversity of four selected antigen encoding loci

International research communications
Amarasekera A D D S, Wickramaarchchi T, Gunarathne L, Escalante A, and Udagama P V
15 th International Congress of Immunology, Italy. Pp 662
Publication year: 2013

Amarasekera A D D S, Wickramaarchchi T, Gunarathne L, Escalante A, and Udagama P V (2013).
Comparison of population structure of Plasmodium vivax currently circulating in Sri Lanka and
of that a decade ago based on diversity of four selected antigen encoding loci.15 th
International Congress of Immunology, Italy. Pp 662.

Phagocytosis as an immunological biomarker to detect aquatic heavy metal pollution in Euphlyctis hexadactylus (Ranidae): An in depth in vitro study

International research communications
Priyadarshani S, Wickramasinghe D D, and Udagama, P V
17 th International Forestry and Environment Symposium, Pp44
Publication year: 2012

Priyadarshani S, Wickramasinghe D D, and Udagama, P V (2012). Phagocytosis as an
immunological biomarker to detect aquatic heavy metal pollution in Euphlyctis hexadactylus
(Ranidae): An in depth in vitro study. 17 th International Forestry and Environment Symposium,
Pp44.

Effect of Artemisia vulgaris ethanolic leaf extract on end-stage disease associated with Plasmodium berghei rodent malaria

International research communications
Bamunuarachchi B A G S, Ratnasooriya W D, Premakumara G A S and Udagama, P
Pandit G P Wickramarachchi Memorial International Research Symposium, Pp 45
Publication year: 2012

Bamunuarachchi B A G S, Ratnasooriya W D, Premakumara G A S and Udagama, P (2012). Effect
of Artemisia vulgaris ethanolic leaf extract on end-stage disease associated with Plasmodium
berghei rodent malaria. Pandit G P Wickramarachchi Memorial International Research
Symposium, Pp 45.

Some pharmacological effects of Carica papaya leaf concentrate in rats

International research communications
Gammulle A S, Ratnasooriya W D, Jayakody J R A C, Fernando C and Udagama-Randeniya P V
Proceedings of the 3 rd International Conference on Medical Plants and Herbal Products, Colombo, Sri Lanka. Pp S9
Publication year: 2011

Gammulle A S, Ratnasooriya W D, Jayakody J R A C, Fernando C and Udagama-Randeniya P V
(2011). Some pharmacological effects of Carica papaya leaf concentrate in rats. Proceedings
of the 3 rd International Conference on Medical Plants and Herbal Products, Colombo, Sri
Lanka. Pp S9

Antimalarial activitiy of Artemisia vulgaris ethanolic leaf extract in a Plasmodium bergeimurine malariamodel

International research communications
Bamunuarachchi B A G S, Ratnasooriya W D, Premakumara G A S and Udagama-Randeniya, P V
Proceedings of the 3 rd International Conference on Medical Plants and Herbal Products, Colombo, Sri Lanka. Pp 82
Publication year: 2011

Bamunuarachchi B A G S, Ratnasooriya W D, Premakumara G A S and Udagama-Randeniya, P V
(2011). Antimalarial activitiy of Artemisia vulgaris ethanolic leaf extract in a Plasmodium
bergeimurine malariamodel. Proceedings of the 3 rd International Conference on Medical
Plants and Herbal Products, Colombo, Sri Lanka. Pp 82.

Use of amphibians as environmental markers for eco immunotoxicological studies in Sri Lanka:A preliminary study

International research communications
Madushani, W A N, Wickramasinghe, D D and Udagama-Randeniya, P V
15 th International Forestry and Environment Symposium, Pp64-65
Publication year: 2010

Madushani, W A N, Wickramasinghe, D D and Udagama-Randeniya, P V (2010). Use of amphibians
as environmental markers for eco immunotoxicological studies in Sri Lanka:A preliminary
study.15 th International Forestry and Environment Symposium, Pp64-65.

Strain-specific and strain- transcending immune responses against Plasmodium vivax merozoite surface protein-1p42 in Sri Lanka

International research communications
Dias S, Wickramarachchi Tand Udagama-Randeniya P V
14 th International Congress of Immunology, Kobe Japan.Pp. i32
Publication year: 2010

Dias S, Wickramarachchi Tand Udagama-Randeniya P V(2010).Strain-specific and strain-
transcending immune responses against Plasmodium vivax merozoite surface protein-1p42 in
Sri Lanka.14 th International Congress of Immunology, Kobe Japan.Pp. i32.

Preliminary study on macrophage migration inhibitory factor (MIF) andreactive oxygen species (ROS) as markers of male infertility forSri Lankan males

International research communications
Obeysekera M P, AmarasekaraAD S, Fernando C, WijerathnaS, and Udagama-Randeniya P V
14 th International Congress of Immunology, Kobe Japan. Pp. i180
Publication year: 2010

Obeysekera M P, AmarasekaraAD S, Fernando C, WijerathnaS, and Udagama-Randeniya P V
(2010). Preliminary study on macrophage migration inhibitory factor (MIF) andreactive oxygen
species (ROS) as markers of male infertility forSri Lankan males. 14 th International Congress
of Immunology, Kobe Japan. Pp. i180.

Genetic diversity and the ensuing strain specific immunity to asexual erythrocytic stage vaccine candidate antigens, MSP-1, AMA-1 and DBP, of Plasmodium vivax in Sri Lanka

International research communications
Udagama-Randeniya P V, Dias S, Premaratne P and Wickramarachchi T
(From Parasite to prevention: Advances in the understanding of malaria, Edinburgh, UK) Malaria Journal, 9 (Suppl 2): Pp55
Publication year: 2010

Udagama-Randeniya P V, Dias S, Premaratne P and Wickramarachchi T (2010).Genetic diversity
and the ensuing strain specific immunity to asexual erythrocytic stage vaccine candidate
antigens, MSP-1, AMA-1 and DBP, of Plasmodium vivax in Sri Lanka. (From Parasite to
prevention: Advances in the understanding of malaria, Edinburgh, UK) Malaria Journal, 9
(Suppl 2): Pp55.

Genetic diversity at the domain II locus of Plasmodium vivax Apical Membrane Antigen -1 (pvAMA-1) in Sri Lankan isolates

International research communications
Dias S, Munasinghe-Gunasekera A and Udagama-Randeniya P
The Annual Meeting of the Royal Society of Tropical Medicine and Hygiene, UK, pp 35
Publication year: 2008

Dias S, Munasinghe-Gunasekera A and Udagama-Randeniya P (2008). Genetic diversity at the
domain II locus of Plasmodium vivax Apical Membrane Antigen -1 (pvAMA-1) in Sri Lankan
isolates. The Annual Meeting of the Royal Society of Tropical Medicine and Hygiene, UK, pp
35.

Ecto and intestinal parasites of wild dwelling Rattus rattus in Sri Lanka

International research communications
Ratnaweera P B, Wijesinghe M R and Udagama-Randeniya P V
Thirteenth International Forestry and Environment Symposium, Sri Lanka, pp 63
Publication year: 2008

Ratnaweera P B, Wijesinghe M R and Udagama-Randeniya P V (2008). Ecto and intestinal parasites
of wild dwelling Rattus rattus in Sri Lanka. Thirteenth International Forestry and Environment
Symposium, Sri Lanka, pp 63.

Immunoepidemiology of PvRII, a putative vaccine candidate representing Plasmodium vivax Duffy Binding Protein, in Sri Lanka

International research communications
Premaratne P H,Dias S, Handunnetti S M, Yazdani S S,Chitins C E andUdagama-Randeniya P V
56 th of the Ann. Meeting of the American Society of Tropical Medicine and Hygiene, Philadelphia, USA. Supplement to The American Journal of Tropical Medicine and Hygiene Volume 77, Issue 5, Abstract book -pp 55-56
Publication year: 2007

Premaratne P H,Dias S, Handunnetti S M, Yazdani S S,Chitins C E andUdagama-Randeniya P V
(2007). Immunoepidemiology of PvRII, a putative vaccine candidate representing
Plasmodium vivax Duffy Binding Protein, in Sri Lanka.56 th of the Ann. Meeting of the
American Society of Tropical Medicine and Hygiene, Philadelphia, USA. Supplement to The
American Journal of Tropical Medicine and Hygiene 77 (5), Abstract book -pp 55-56

Analysis of Single Nucleotide polymorphisms at the Plasmodium vivax Apical Membrane Antigen 1 (PvAMA1) locus among Sri Lankan isolates

International research communications
Gunasekera A, Wickramarachchi W T A,Ganguli I, Perera K L R L, Premaratne, Handunnetti S M, Udagama-Randeniya P V and Wirth D F
54th Ann. Meeting of the American Societyof Tropical Medicine and Hygiene, Miami, FL, USA
Publication year: 2005

Gunasekera A, Wickramarachchi W T A,Ganguli I, Perera K L R L, Premaratne, Handunnetti S M,
Udagama-Randeniya P V and Wirth D F (2005). Analysis of Single Nucleotide
polymorphisms at the Plasmodium vivax Apical Membrane Antigen 1 (PvAMA1) locus among
Sri Lankan isolates. 54th Ann. Meeting of the American Societyof Tropical Medicine and
Hygiene, Miami, FL, USA.

Genetic diversity of the Apical Membrane Antigen-1 locus among clinical isolates of Plasmodium vivax in Sri Lanka

International research communications
Munesinghe-Gunasekera, A,Wicramarachchi, W T A, Ganguly, I, Perera, K L R L, Udagama- Randeniya, P V, Handunetti, S M and Wirth, D F
American Society of Tropical Medicine and Hygiene, Miami, Florida, USA
Publication year: 2004

Munesinghe-Gunasekera, A,Wicramarachchi, W T A, Ganguly, I, Perera, K L R L, Udagama-
Randeniya, P V, Handunetti, S M and Wirth, D F (2004). Genetic diversity of the Apical
Membrane Antigen-1 locus among clinical isolates of Plasmodium vivax in Sri Lanka.
American Society of Tropical Medicine and Hygiene, Miami, Florida, USA.

Profiles of IgG and IgM antibodies to PV66/AMA1 in individuals naturally infected with Plasmodium vivax from Sri Lanka

International research communications
Wickramarachchi,W T A,Premarathne, H P, Perera, K L R L, Bandara, S, Thomas, A,Handunetti, S M and Udagama-Randeniya, P V
6 th FIMSA Advance course and conference “Molecular Mechanisms of infection and Immunity”October 20-25, Ayutthaya, Thailand
Publication year: 2002

Wickramarachchi,W T A,Premarathne, H P, Perera, K L R L, Bandara, S, Thomas, A,Handunetti, S M
and Udagama-Randeniya, P V (2002). Profiles of IgG and IgM antibodies to PV66/AMA1 in
individuals naturally infected with Plasmodium vivax from Sri Lanka.6 th FIMSA Advance
course and conference “Molecular Mechanisms of infection and Immunity”October 20-25,
Ayutthaya, Thailand.

Antibody responses of naturally infected individuals to asexualerythrocytic stage vaccine candidates of P. vivax in Sri Lanka

International research communications
Wickramarachchi,W T A,Perera, K L R L, Bandara, S, Thomas, A, Longacre,S,Handunetti, S M and Udagama-Randeniya, P V
Vivax malaria research: 2002 and beyond, February 3- 8, Bangkok, Thailand, pp27,
Publication year: 2002

Wickramarachchi,W T A,Perera, K L R L, Bandara, S, Thomas, A, Longacre,S,Handunetti, S M and
Udagama-Randeniya, P V (2002). Antibody responses of naturally infected individuals to
asexualerythrocytic stage vaccine candidates of P. vivax in Sri Lanka. Vivax malaria research:
2002 and beyond, February 3- 8, Bangkok, Thailand, pp27,

Disease scenario and status of diagnostics in Sri Lanka

International research communications
Randeniya P V
TCDC International Training Workshop on Emerging Trends in the Diagnosis of Infectious Diseases, December, Lucknow, India
Publication year: 1998

Randeniya P V(1998). Disease scenario and status of diagnostics in Sri Lanka. Country paper
presented at theTCDC International Training Workshop on Emerging Trends in the Diagnosis
of Infectious Diseases, December, Lucknow, India.

Evidence for coniferyl-alcohol oxidation promotion of lignification in developing xylem of conifers

International research communications
Savidge R A and Udagama-Randeniya P V
12th North American Forest Biology Workshop, Sault Ste. Marie, Ontario, Canada. pp188
Publication year: 1992

Savidge R A and Udagama-Randeniya P V (1992). Evidence for coniferyl-alcohol oxidation
promotion of lignification in developing xylem of conifers. Proceedings, 12th North American
Forest Biology Workshop, Sault Ste. Marie, Ontario, Canada. pp188.

Coniferyl-alcohol oxidase promotion of lignification in developing xylem of conifers

International research communications
Savidge R A and Randeniya P V
1992 Annual Meeting of the Society for ExperimentalBiology, Volume 43, Issue 250, Pages 64
Publication year: 1992

Savidge R A and Randeniya P V (1992) Coniferyl-alcohol oxidase promotion of lignification in
developing xylem of conifers. Journal of Experimental Botany, Abstracts of Papers and
Posters on Topics Relevant to Plant Biology Presented at the 1992 Annual Meeting of the
Society for ExperimentalBiology, 43(250):64.

An antigen present in both sexual and asexual stages of Plasmodium vivax as a component of a transmission blocking vaccine

International research communications
Longacre S, Mattei D M, Udagama P V, Premawansa S, del Portillo H A, Khoury E, Mendis K N and David P H
Bulletin de la societe francaise de parasotologie, Paris
Publication year: 1990

Longacre S, Mattei D M, Udagama P V, Premawansa S, del Portillo H A, Khoury E, Mendis K N and
David P H. (1990). An antigen present in both sexual and asexual stages of Plasmodium
vivax as a component of a transmission blocking vaccine? S5. F19.Bulletin de la societe
francaise de parasotologie, Paris.

A Plasmodium vivax antigen shared between gametes and blood stages is a target of transmission blocking immunity

International research communications
David P H, Premawansa S, Udagama P V, Peiris J S M, Mattei D M, Maitipe P, Khoury E, Aikawa M and Mendis K N.
XIIth International Congress for Tropical Medicine and Malaria, Amsterdam, The Netherlands. (P A Kager and A M Polderman, Eds.) pp. 102
Publication year: 1988

David P H, Premawansa S, Udagama P V, Peiris J S M, Mattei D M, Maitipe P, Khoury E, Aikawa M
and Mendis K N. (1988). A Plasmodium vivax antigen shared between gametes and blood
stages is a target of transmission blocking immunity. XIIth International Congress for Tropical
Medicine and Malaria, Amsterdam, The Netherlands. (P A Kager and A M Polderman, Eds.)
pp. 102.

Characterization and cloning of Plasmodium vivax antigens

International research communications
David P H, Udagama P V, Gysin J, Peiris J S M, Mattei D M, Langsley G W, Postal J M, Khoury E and Mendis K N
Third International Congress of Malaria and Babesiosis, Annecy, France pp. 203
Publication year: 1987

David P H, Udagama P V, Gysin J, Peiris J S M, Mattei D M, Langsley G W, Postal J M, Khoury E
and Mendis K N. (1987). Characterization and cloning of Plasmodium vivax antigens. Third
International Congress of Malaria and Babesiosis, Annecy, France pp. 203.

Transmission blocking immunity to Plasmodium vivax malaria

International research communications
Mendis K N , Peiris J S M, Munesinghe Y D, Ranawaka M B, Premawansa S, Udagama P V, Carter R andDavid P H
Sixth International congress of Parasitology, Brisbane, Australia, (Howell, M J, ed), Australian Academy of Science, Canberra
Publication year: 1986

Mendis K N , Peiris J S M, Munesinghe Y D, Ranawaka M B, Premawansa S, Udagama P V, Carter
R andDavid P H (1986). Transmission blocking immunity to Plasmodium vivax malaria. Hand
book,Programme and Abstracts, Sixth International congress of Parasitology, Brisbane,
Australia, (Howell, M J, ed), Australian Academy of Science, Canberra.