Hajeewaka C. Mendis

RESEARCH Fellow I

Entomology and Plant Pathology

EDUCATION:

Ph.D., Florida State University, Tallahassee, FL, USA (Cell and Molecular Biology). Dissertation : Importance of molecular weight and succinylation of the bacterial exopolysaccharide succinoglycan for the symbiosis ofsinorhizobium meliloti in the host plant medicago truncatula. Advisor: Kathryn M. Jones
B.Sc., University of Colombo, Sri Lanka (Botany)

PUBLICATIONS:

  • Mendis H. C., Thomas, V. P., Schwientek, P.,Salamzade, R., Waidyarathne, P., Kloepper, J & De La Fuente, L. (2018). Strain-Specific Quantification of Root Colonization by Plant Growth Promoting Rhizobacteria Bacillus firmus I-1582 and Bacillus amyloliquefaciens QST713 in non-sterile soil and field conditions. PLoS ONE 13(2): e0193119
  •  Mendis HC, Madzima TF, Queiroux C, Jones KM. 2016. Function of succinoglycan polysaccharide in Sinorhizobium meliloti host plant invasion depends on succinylation, not molecular weight. mBio 7(3):e00606-16. doi:10.1128/mBio.00606-16.
  • Mendis, H. C., Queiroux, C., Brewer, T. E., Davis, O. M., Washburn, B. K., & Jones, K. M. (2013). The Succinoglycan Endoglycanase Encoded by exoK Is Required for Efficient Symbiosis of Sinorhizobium meliloti 1021 with the Host Plants Medicago truncatula and Medicago sativa (Alfalfa). Molecular Plant-Microbe Interactions, 26(9), 1089-1105.
  • Jones, K. M., Mendis, H. C., & Queiroux, C. (2013). Single-plant, Sterile Microcosms for Nodulation and Growth of the Legume Plant Medicago truncatula with the Rhizobial Symbiont Sinorhizobium meliloti. JoVE (Journal of Visualized Experiments), (80), e50916-e50916.
  • Ranasinghe, C. S., Madurapperuma, W. S., Nainanayake, N. P. A. D., Mendis, H. C., & Fernando, W. P. K. K. (2009). Tender coconuts for export market: evaluation of cultivars and improved protocol for extended shelf-life. Indian Coconut Journal, 51(12), 18-25.
  • Madurapperuma, W. S., Mendis, H.C., Ranasinghe, C. S., Premasiri, N. and Gunawardena, M. (2007) Comparative study of water movement in Leaf Scorch Decline affected and healthy coconut palms using Li as a non-radio active tracer. Cocos, 18: 74-82.

SELECTED ABSTRACTS/TALKS:

  • Mendis H. C., S Santra, M. Young, P. Rajasekaran, E. Johnson, L. De La Fuente (2017). Evaluation of novel antimicrobial compounds to control growth and biofilm formation of ‘Candidatus Liberibacter asiaticus’ surrogates Xanthomonas citri citri and Liberibacter crescens in vitro and under microfluidic chambers. Materials Innovation for Sustainable Agriculture Symposium, University of Central Florida, Orlando, FL. (Poster).
  • Mendis H. C., S Santra, M. Young, P. Rajasekaran, E. Johnson, L. De La Fuente (2017). In vitro Evaluation of novel antimicrobial compounds to control growth and biofilm formation of citrus bacterial pathogens. 5th International Research Conference on Huanglongbing, Orlando, FL. (Oral presentation)
  • Mendis, H. C., Thomas, V., Schwientek, P., Salamzade, R., Kloepper, J. & De La Fuente, L. (2016). Developing a quantitative polymerase chain reaction protocol to quantitate root colonization by Bacillus amyloliquefaciens and Bacillus firmus. Annual meeting of American Phytopathological Society, Tampa, FL. (Poster).
  • Mendis, H. C., Naranjo, E., Santra, S., Young, M., Rajasekaran, P., Johnson, E. & De La Fuente, L. (2016). Evaluation of novel antimicrobial compound ZinkicideTM to control growth and biofilm formation of Candidatus Liberibacter asiaticus surrogate Xanthomonas axonopodis Citri strain 306. Annual meeting of American Phytopathological Society, Tampa, FL. (Poster).
  • Mendis, H.C., Queiroux C, & Jones K. M., (2014), The role of succinylation of the Sinorhizobium meliloti exopolysaccharide succinoglycan in host plant invasion, Southeastern Microbiology Summit, Southeastern Branch of American Society of Microbiology, Jacksonville, FL. (Talk).
  • Mendis, H.C., Washburn, B.K., & Jones K.M., (2010), Suppressors of a rhizobial lipopolysaccharide defect restore symbiosis on alfalfa., Annual meeting of The Southern Section of the American Society of Plant Biologists, University of Tennessee Conference Center, Knoxville, TN. (Poster).
  • Mendis H. C., Ranasinghe C. S. & Nainanayake N. P. A. D. (2008). Identification of different coconut cultivars for beverage purposes. 64th Annual meeting of the Sri Lanka Association for the Advancement of Science., Colombo, Sri Lanka. (Talk).