SUSL Staff Directory

Dr. RGU Jayalal

Lecturer (prob.)

jayalal@appsc.sab.ac.lk

Qualifications

PhD in Lichenology, Postgraduate Institute of Science, University of Peradeniya (2010).

BSc (Hons) in Botany, University of Peradeniya (2003).


Profile

I am a Lichenologist and a field Botanist from Sri Lanka. I am also interested in the field of Microbiology, Plant Biotechnology, Forestry, Bio-monitoring, and Air pollution monitoring. I have teaching experience on Forestry, Lichenology, Molecular Biology and Bio-technology and Microbiology at the Sabaragamuwa University of Sri Lanka, University of Peradeniya and the Rajarata University of Sri Lanka.


Research Interests

Lichenology

Plant Taxonomy

Microbiology

Molecular Biology


Recent Publications

Full papers published in Indexed Journals

  • S. Y. Kondratyuk, L. LŐkÖs, J. P. Halda, D. K. Upreti, G. K. Mishra, M. Haji Moniri, E. Farkas, J. S. Park, B. G. Lee, D. Liu, J.-J. Woo, R. G. U. Jayalal, S.-O. Oh, J.-S. Hur. (2016). New and noteworthy lichen-forming and lichenicolous fungi 5. Acta Botanica Hungarica 58(3-4):319-396 · September 2016. DOI: 10.1556/ABot.58.2016.3-4.7
  • Weerakoon, G., Wolseley, P.A., Arachchige, O., Cáceres, M.E., Jayalal, U. and Aptroot, A. (2016). Eight new lichen species and 88 new records from Sri Lanka. The Bryologist 119(2):131-142 · June 2016. DOI: 10.1639/0007-2745-119.2.131
  • Jayalal, U., Oh, S.O., Park, J.S., Sung, J.H., Kim, S.H. & Hur, J.S. (2015). Evaluation of air quality using lichens in three different types of forest in Korea. Forest Science & Technology. Pp1-8 DOI: 10.1080/21580103.2014.1003983
  • Yang, Y., Park, S.Y., Nguyen, T.T., Yu, Y. H., Nguyen, T.V., Sun, E.G., Jayalal, U.,  Jeong, M.H., Pereira, I, Moon, C., Ha, H.H., Kim, K.K., Hur, J.S., and Kim, H (2015). Lichen Secondary Metabolite, Physciosporin, Inhibits Lung Cancer Cell Motility. PLoSONE10(9):e0137889.doi:10.1371/ journal.pone.0137889
  • Weerakoon, G., Jayalal, U., Wijesundara, D.S.A., Karunaratne, V. & Lücking, R. (2015). Six new Graphidaceae (lichenized Ascomycota: Ostropales) from Horton Plains National Park, Sri Lanka.Nowa Hedwigia, 101.DOI: 10.1127/nova_hedwigia/2015/0241
  • Jayalal U., Divakar, P.K, Joshi S., Oh, S.O, Kim, J.A., & J.S (2014). Overview of Xanthoparmelia taxa from South Korea including the description of two new species (Parmeliaceae, Ascomycota) Phytotaxa 181(2): 96–109.http://dx.doi.org/10.11646/phytotaxa.181.2.3
  • Jayalal U., Oh, S. O, Lücking, R., Joshi S., Park J–S, Koh Y. J. & Hur J.S (2013). Contribution to the foliicolous lichen flora of South Korea. Mycobiology 41(4): 202–209. http://dx.doi.org/10.5941/MYCO.2013.41.4.202
  • Joshi S., Kondratyuk, S. Y., Crişan, F., Jayalal U., Oh Soon-Ok, & Hur J.S. (2013). New addition to the Lichen Mycota of republic of Korea. Mycobiology 41(4): 177–182. http://dx.doi.org/10.5941/MYCO.2013.41.4.177
  • Joshi S., Jayalal, U., Oh Soon–Ok, LI Xinrong LI, Rong Liang JIA & Hur J.S. (2014). New records of lichens from Shapotou area, China. Mycosystema 33(1): 167‐173. DOI: 10.13346/j.mycosystema.120279
  • Jayalal U., Joshi S., Oh Soon-Ok, Kim, J.A., Crişan, F. & Hur J.S. (2013). Lichen genus Sticta in South Korea. Mycobiology 42(1): 6–11.http://dx.doi.org/10.5941/MYCO.2014.42.1.6
  • Joshi S., Jayalal, U., Oh Soon–Ok, Nguyen, T.N., Dzung, A. & Hur, J.S. (2014). A New Species of Graphis and New Lichen Records from Vietnam, Including a Second Worldwide Report of Sarcographina cyclospora. Mycobiology 42(1): 17–21. http://dx.doi.org/10.5941/MYCO.2014.42.1.17
  • Jayalal, U. & Aptroot, A. (2013). The first report of Roccella minuta from Asia. Evansia 30(1):15-16. doi: 10.1639/079.030.0102
  • Jayalal U., Joshi S., Oh Soon–Ok, Park J–S, Koh Y. J. & Hur J–S (2013). Notes on the lichen genus Hypotrachyna (Parmeliaceae) from South Korea. Mycobiology 41(1): 13–17. http://dx.doi.org/10.5941/MYCO.2013.41.1.13
  • Jayalal U., Joshi S., Oh Soon-Ok, Koh Y. G. & Hur J-S. (2013). Lichen mycota in South Korea-The genus Usnea. Mycobiology 41 (3): 126-130. http://dx.doi.org/10.5941/MYCO.2013.41.3.126
  • Jayalal U., Joshi S., Oh Soon-Ok, Koh Y. G. & Hur J-S. (2013). Lichen genus Dirinaria in South Korea. Mycobiology 41(3): 155-158 http://dx.doi.org/10.5941/MYCO.2013.41.3.155
  • Jayalal U., Aptroot, A., Nguyen, T.T., Dzung,N.A., Joshi, S., Oh, S.O. & Hur, J.S. (2013). Further additions to the macrolichen mycota of Vietnam. Mycotaxon 124:51-59. http://dx.doi.org/10.5248/124.51
  • Jayalal, U., Oh, S.O, Lücking, R, Park, J.S & Hur, J.S (2013). Contributions to the Foliicolous Lichens Flora of South Korea. Mycobiology 41(4): 202-209. doi. http://dx.doi.org/10.5941/MYCO.2013.41.4.202.
  • Joshi S., Kondratyuk, S.Y, Crişan, F., Jayalal U., Oh Soon-Ok, & Hur J-S. (2013). New Additions to Lichen Mycota of the Republic of Korea. Mycobiology 41 (4):177-182.doi. http://dx.doi.org/10.5941/MYCO.2013.41.4.177
  • Joshi S., Jayalal U., Oh Soon-Ok, Koh, Y.J. Nguyen T. T., Dunzg N. A. & J-S. Hur. (2013). New species and new records in the family Graphidaceae (Ascomycota: Ostropales) from Vietnam. The Lichenologist 45(5): 599–609. doi:10.1017/S002428291300025X
  • Joshi, S., Nguyen, T. T., Dzung, N. A., Jayalal, U., Oh, S.O.  & Hur, J.S. (2013). New records of corticolous lichens from Vietnam. Mycotaxon 123:479-489. http://dx.doi.org/10.5248/123.479
  • Joshi S., Jayalal U., Oh Soon-Ok, Park J-S & Hur J-S. (2013). New Records and an annotated key for the identification of Graphis Adans. in South Korea. Mycobiology 41(2): 73–76. http://dx.doi.org/10.5941/MYCO.2013.41.2.73
  • Joshi S., Jayalal, U, Lokos, L., Park, Oh Soon–Ok, Koh Y. J. & Hur J–S (2013). Leiorreuma exaltatum and Trapelia coarctata, New to Korean lichen flora. Mycobiology 41(1): 56–58. http://dx.doi.org/10.5941/MYCO.2013.41.1.56
  • Joshi S., Jayalal U., Lazlo L., Oh Soon–Ok & Hur J–S. (2013). Graphis koreana (Graphidaceae), a new species from South Korea. The Lichenologist 45(5): 593–597. doi:10.1017/S0024282913000224
  • Joshi,S., Jayalal, U., Oh, S. O., Koh, Y.J., Nguyen, T.T., Dzung, N.A. & Hur, J.S. (2013). New species and new records in the family Graphidaceae (Ascomycota: Ostropales) from Vietnam. The Lichenologist 45(5): 599–609.doi:10.1017/S002428291300025X
  • Joshi, S., Nguyen, T.T., Dzung, N.A., Jayalal, U., Oh, S.O. & Hur, J.S. (2013). Lichen genus Fissurina Fée (Graphidaceae) from Vietnam. Mycotaxon 124:309-321. http://dx.doi.org/10.5248/124.309
  • Joshi S., Nguyen T. T., Jayalal U., Oh Soon–Ok & Hur J–S. (2013). New records of corticolous lichens from Vietnam. Mycotaxon 123:479-489.http://dx.doi.org/10.5248/123.479
  • Joshi, S., Jayalal, U., Oh, S.O., Nguyen, T.T., Dzung, N.A., & Hur, J.S. (2013). The Lichen genus Graphis from Vietnam. Mycotaxon 125:69-80. http://dx.doi.org/10.5248/125.69
  • Jayalal, R.G.U., Wolseley, P.A., Gueidan, C., Wijesundara, D.S.A. and Karunaratne, V. (2012). Two new Anzia species from Sri Lanka. The Lichenologist 44(3):1-10.doi:10.1017/S0024282911000946.
  • Jayalal, R.G.U., Wolseley, P.A., Wijesundara, D.S.A. and Karunaratne, V. (2012). Lichen studies in the biodiversity hot spot, Horton Plains National Park-a world heritage site from Sri Lanka. British Lichen Society Bulletin.110:34-42.
  • Jayalal U., Joshi S., Soon–Ok Oh, Jung–Shin Park and Hur J–S. (2012). First report of the lichen species, Heterodermia flabellata(fée) D. D. Awasthi, and updated taxonomic key of heterodermia in South Korea. Mycobiology 40(3): 202–204. http://dx.doi.org/10.5941/MYCO.2012.40.3.202
  • Joshi S., Jayalal U., Park J–S, Oh Soon–Ok & Hur J–S (2012). New records of lichen genus Thelotrema Ach. (Thelotremoid Graphidaceae) from South Korea. Mycobiology 40(4): 225–230. http://dx.doi.org/10.5941/MYCO.2012.40.4.225
  • Bombuwela, K., Kathirgamanathar, S, Thadhani, V, Jayalal, R.G.U., Adikaram, N.K.B., Wijesundara, D.S.A., Andersen, R., Wolseley, P. and Karunaratne, V. (2008). Chemistry of Heterodermia microphylla, a lichen new to Sri Lanka. Journal of National Science Foundation Sri Lanka, 36(3):251-252.
  • Karunaratne, V., Jayalal, R.G.U., Jayasinghe, S. and Wijesundara, S. (2009). Liches drugs and butterflies. A tale of discovery from Sri Lanka. Chemistry Review 19(2), 20-24.

 

Full papers published in Peer Reviewed Journals

  • Jayalal, R.G.U., Ileperuma, O.A., Wolseley, P., Wijesundara, D.S.A. and Karunaratne, V. (2017). Correlation of atmospheric purity index to the diversity of lichens in the Horton Plains National Park, Sri Lanka. Ceylon Journal of Science 46(2): 13-29. DOI: http://doi.org/10.4038/cjs.v46i2.7426
  • Jayalal, R.G.U. and Adikaram, N.K.B. (2007). Influence of Trichoderma harzianum metabolites on the development of green mould disease in the Oyster mushroom. Ceylon Journal of Science (Bio Science) 36(1):53-60.

 

International symposium

  • Jayalal, R.G.U., Wolseley, P., Wijesundara, S. and Karunaratne, V. (2008). Macrolichen diversity as an indicator of environmental changes in montane forest of Horton Plains National Park, Sri Lanka. The 6th IAL symposium and annual ABLS meetings, California, USA. Pp.140.
  • Jayalal, R.G.U., Wolseley, P., Wijesundara, S. and Karunaratne, V. (2012). Macrolichens diversity can be used as a tool to analyse the forest condition at Horton Plains National Park, Sri Lanka. Proceedings of the 7th IAL symposium Bangkok, Thailand. Pp.47.
  • Jayalal, R.G.U., Wolseley, P., Wijesundara, S. and Karunaratne, V. (2012). Anzia mahaeliyensis and Anzia flavotenuis, two new species from Horton Plains, Sri Lanka. Proceedings of the 7th IAL symposium Bangkok, Thailand. Pp. 139.
  • Jayalal, U., Oh,S.O., Joshi,S., Park, J.S., Koh,Y.J. and Hur, J.S. (2012). Foliicolous Lichens and Their Distribution in Jeju Island, South Korea. Proceedings of the International Meeting of the Federation of Korean Microbiological Societies. Pp. 173.
  • Jayalal, U., Joshi,S., Oh,S.O., Park, J.S., Koh,Y.J. and Hur, J.S. (2012). A Taxonomic Study on South Korean Species of Canoparmelia (Parmeliaceae). Proceedings of the International Meeting of the Federation of Korean Microbiological Societies. Pp. 174.
  • Joshi, S., Jayalal, U., Oh, S.O, Park, J.S and Hur, J.S. (2012). A Synopsis of Thelotremoid Grapidaceae (Ascomycota: Ostroplaes) from the Republic of Korea. Proceedings of the International Meeting of the Federation of Korean Microbiological Societies. Pp. 172.
  • Joshi, S., Jayalal, U. Oh, S.O, Nguyen, T.T., Dzung, N.A. and Hur, J.S. (2012). Lichen Genus Fissurina Fée (Graphidaceae) from Vietnam. Proceedings of the International Meeting of the Federation of Korean Microbiological Societies. Pp. 173.
  • Jayalal, U., Joshi,S., Oh, S.O., and Hur, J.S. (2013). Distribution of lichen genus Sticta in South Korea. Proceedings of the International Meeting of the Federation of Korean Microbiological Societies. Pp. 192.
  • Jayalal, U., Joshi,S., Oh, S.O., Jung-Shin Park, and Hur, J.S. (2013). Corticolous lichen diversity as indicators of air pollution in South Korea. Proceedings of the International Meeting of the Federation of Korean Microbiological Societies. Pp. 208.
  • Joshi, S., Jayalal, U., Oh, S.O, and Hur, J.S. (2013). Investigations on crustose lichens from Patagonia region of Chile, South America. Proceedings of the International Meeting of the Federation of Korean Microbiological Societies. Pp. 191.
  • Joshi, S., Jayalal, U., Oh, S.O, and Hur, J.S. (2013). Notes on lichen genus Ocellularia G. Mey. (Graphidaceae) in Vietnam. Proceedings of the International Meeting of the Federation of Korean Microbiological Societies. Pp. 191.
  • Joshi, S., Jayalal, U., Nguyen, T.T., Nguyen, A.D., Oh, S.O, and Hur, J.S. (2013). Lichenological investigations in Vietnam. Proceedings of the International Symposium for the 10th Anniversary of KoLRI. Pp. 173.
  • Jayalal, U., Joshi, S., Kondratyuk, S., Lökos, L., Park, J.S., Oh, S.O, and Hur, J.S. (2013). The lichen flora work and its current status in South Korea. Proceedings of the International Symposium for the 10th Anniversary of KoLRI. Pp. 189-190.

 

Abstracts

  • Jayalal, R.G.U. and Adikaram, N.K.B. (2003). A green mould disease in Oyster mushroom compost. Proceedings of the Peradeniya University Research Sessions. Vol 8. Pp.158.
  • Jayalal, R.G.U., Wijesundara, D.S.A. and Karunaratne, V. (2005). Preliminary survey of lichen flora of Horton Plains. Proceeding of the Peradeniya University Research Sessions Vol. 10. Pp. 107.
  • Jayalal, R.G.U., Wijesundara, D.S.A. and Karunaratne, V. (2006). Preliminary Survey of Macrolichen flora of the Horton Plains National Park. 10th Anniversary International Symposium of the Sabaragamuwa University of Sri Lanka. Pp.265.
  • Jayalal, R.G.U., Illeperuma, O.A., Wijesundara, D.S.A. and Karunaratne, V. (2006). Monitoring air pollution levels in the Horton Plains National Park using passive gas sampling technique. Sri Lanka Association for the Advancement of Science. Proceeding of the 62nd Annual Sessions.  Pp. 124.
  • Jayalal, R.G.U., Wijesundara, D.S.A. and Karunaratne, V. (2006). Preliminary survey on the lichen–host species diversity in the Horton Plains National Park. Proceeding of the Peradeniya University Research Sessions. Vol. 11. Pp. 132.
  • Jayalal, R.G.U., Wolseley, P., Wijesundara, D.S.A. and Karunaratne, V. (2007). New record of Anzia (Lichenized ascomycotina, parmeliaceae) from Horton Plains National Park. Proceeding of the Peradeniya University Research Sessions. Vol. 12, Pp. 60.
  • Jayalal, R.G.U., Wijesundara, D.S.A. and Karunaratne, V. (2007). Distribution of Lobariaceae (a lichen family) within the Horton Plains National Park Sri Lanka. Proceedings of the 63rd annual sessions, Association for the Advancement of Science. Pp. 59-60.
  • Jayalal, R.G.U., Wolseley, P., Wijesundara, S. and Karunaratne, V. (2008). Distribution of lichens with respect to pH variation of the host trees within the Horton Plains National Park, Sri Lanka. 64th annual sessions, Sri Lanka Association for the Advancement of Science. Pp. 104.
  • Jayalal, R.G.U., Wijesundara, D.S.A. and Karunaratne, V. (2008). Lichenological works in Sri Lanka. 13th International Forestry and Environment Symposium 2008, Pp.69-70.
  • Jayalal, R.G.U., Wolseley, P., Wijesundara, S. and Karunaratne, V. (2008).Sterile crust lichens as indicators of forest health in Horton Plains National Park, Sri Lanka. Peredeniya University Research Sessions 13, 309-311.
  • Jayalal, R.G.U., Wolseley, P., Wijesundara, S. and Karunaratne, V. (2009). Determination of ecological continuity of Horton Plains National Park using macrolichens as indicators. Peredeniya University Research Sessions 14, 192-194.
  • Jayalal, R.G.U., Wolseley, P., Wijesundara, S. and Karunaratne, V. (2011). Lichens as indicators of environmental conditions in Horton Plains National Park. 16th International Forestry and Environment Symposium, Pp.38.
  • Rathnayake, W.P.M, Senanayake, W.G.M, Herath, A.C. and Jayalal, R.G.U. (2012). Identification of lichens species in Mihinthale sanctuary and isolation of chemical constituents. National Symposium on Chemistry for Life, Rajarata University of Sri Lanka, Mihinthale.
  • P.C. Wijepala, G. Seneviratne, R.M.A.R. Ratnayake, S. Gunaratne and R.G.U. Jayalal (2016). Physical nature of culture media alters microbial amylase enzyme production. Proceedings of the Peradeniya University International Research Sessions, Sri Lanka, Vol. 20, Pp. 198.

 

Chapters in edited books

  • Karunaratne D.N, Jayalal R.G.U. and Karunaratne V. (2012). Lichen Polysaccharides. In: The Complex World of Polysaccharides, Ed: by Desiree Nedra Karunaratne, ISBN 978-953-51-0819-1.PP:215-226. DOI: 10.5772/51021.
  • Jayalal, U. (2012). Lichens in Horton Plains. In: Horton Plains, Sri Lanka’s Cloud Forest National Park. Ed: Rohan Pethiyagoda, ISBN 10-9559114413. World Heritage Trust Publications.

 

For more information visit the following links.

http://scholar.google.com/citations?user=NuD5S2QAAAAJ&hl=en

http://www.researchgate.net/profile/Udeni_Jayalal