U.S. flagAn official website of the United States government
                    Here's how you know **Official websites use .gov**
                            
                            A **.gov** website belongs to an official government organization in the United States.
 **Secure .gov websites use HTTPS**
                            
                            A **lock** (                            
                              A locked padlock                                                      
                            
                            ) or **https://** means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.


Menu Agricultural Research Service
						
                    U.S. DEPARTMENT OF AGRICULTURE
 Molecular Plant Pathology Laboratory: Beltsville, MD
 close



    Research

                    Research Projects
                                    Publications
                                    Collaborations
                                    News
                People

                    Staff Listing
                                    Careers


        


                    Databases
                        Alfalfa Transcription Factor Database
                                    iPhyClassifier - Phytoplasma Sequence ClassificationSearch small
                    Search
            
            ARS Home
                                About ARS
                                Contact Us




ARS Home Northeast Area Beltsville, Maryland (BARC) Beltsville Agricultural Research Center Molecular Plant Pathology Laboratory People & Locations







Avijit  Roy

                                                                (PhD)
                        Molecular Plant Pathology Laboratory

                        




                        
                        Research Plant Pathologist
                        Phone: (301) 504-6374
                        
                        
                        Fax: (Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsDiscovery, Characterization, and Diagnostics of Endemic and Exotic Citrus Pathogens Using High Throughput Sequencing (HTS)
                                                    In-House Appropriated
                                                                    (D)Accession Number: 441768A Comprehensive Survey of Flat Mite Transmitted Viruses in Different Hosts and in Brevipalpus spp. in Colombia
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 442860**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Meta-transcriptomic analysis uncovers the presence of four novel viruses and multiple known virus genera in a single Hibiscus rosa-sinensis plant in Colombia
                                                        

- (Peer Reviewed Journal)Roy, A., Grinstead, S.C., Leon, G.M., Juan Carlos, C.P., Nunziata, S., Padmanabhan, C., Hammond, J. 2024. Meta-transcriptomic analysis uncovers the presence of four novel viruses and multiple known virus genera in a single Hibiscus rosa-sinensis plant in Colombia. Viruses. 16:267. https://doi.org/10.3390/v16020267.Genetic analysis of the emerging citrus yellow vein clearing virus reveals a divergent virus population in American isolates
                                                        

- (Peer Reviewed Journal)Abrahamian, P., Tian, T., Posis, K., Guo, Y., Yu, D., Blomquist, C., Wei, G., Adducci, B., Vidalakis, G., Bodaghi, S., Osman, F., Roy, A., Nunziata, S.O., Nakhla, M., Mavrodieva, V., Rivera, Y. 2023. Genetic analysis of the emerging citrus yellow vein clearing virus reveals a divergent virus population in American isolates. Plant Disease. https://doi.org/10.1094/PDIS-09-23-1963-RE.Genome-wide analysis of citrus yellow vein clearing virus in California reveals high genetic variability

- (Abstract Only)First report of Passion fruit green spot virus in yellow Passion fruit (Passiflora edulis f. flavicarpa) in Casanare in Colombia
                                                        

- (Peer Reviewed Journal)Roy, A., Guillermo, L.M., Nunziata, S., Padmanabhan, C., Rivera, Y., Brlansky, R.H., Hartung, J.S. 2023. First report of Passion fruit green spot virus in yellow Passion fruit (Passiflora edulis f. flavicarpa) in Casanare in Colombia. Plant Disease. 107:2270. https://doi.org/10.1094/PDIS-09-22-2267-PDN.High-throughput sequencing application in the detection and discovery of viruses associated with the regulated citrus leprosis disease complex
                                                        

- (Peer Reviewed Journal)Padmanabhan, C., Nunziata, S., Guillermo, L.M., Rivera, Y., Mavrodieva, V.A., Nakhla, M.K., Roy, A. 2023. High-throughput sequencing application in the detection and discovery of viruses associated with the regulated citrus leprosis disease complex. Frontiers in Plant Science. 13. Article e1058847. https://doi.org/10.3389/fpls.2022.1058847.“First report of the hibiscus strain of citrus leprosis virus C2 infecting passionfruit (Passiflora edulis)”
                                                        

- (Peer Reviewed Journal)Olmedo-Velarde, A., Roy, A., Larreasarmiento, A., Wang, X., Padmanabhan, C., Nunziata, S., Nakhla, M.K., Hu, J., Melzer, M.J. 2022. “First report of the hibiscus strain of citrus leprosis virus C2 infecting passionfruit (Passiflora edulis)”. Plant Disease. https://doi.org/10.1094/PDIS-10-21-2314-PDN.Smilax auriculata: A new host for Orchid fleck virus identified in Florida, USA
                                                        

- (Peer Reviewed Journal)Dey, K., Vilez-Climent, M., Padmanabhan, C., Nunziata, S., Rivera, Y., Mcvay, J., Roy, A. 2022. Smilax auriculata: A new host for Orchid fleck virus identified in Florida, USA. Plant Disease. https://doi.org/10.1094/PDIS-09-21-2085-PDN.Transcriptomic analyses reveal physiological changes in sweet orange roots affected by citrus blight
                                                        

- (Peer Reviewed Journal)Fu, S., Shao, J.Y., Roy, A., Brlansky, R., Zhou, C., Hartung, J.S. 2019. Transcriptomic analyses reveal physiological changes in sweet orange roots affected by citrus blight. BMC Genomics. 20:969. https://doi.org/10.1186/s12864-019-6339-0.Reassortment of genome segments creates stable lineages among strains of Orchid fleck virus infecting citrus in Mexico
                                                        

- (Peer Reviewed Journal)Roy, A., Stone, A.L., Otero-Colina, G., Wei, G., Brlansky, R., Ochoa, R., Bauchan, G.R., Schneider, W.L., Nakhla, M., Hartung, J.S. 2019. Reassortment of genome segments creates stable lineages among strains of Orchid fleck virus infecting citrus in Mexico. Phytopathology. 110:106-120. https://doi.org/10.1094/PHYTO-07-19-0253-FI.The transcriptome of roots of sweet orange tree with symptoms of citrus blight

- (Abstract Only)First report of Hibiscus infecting Cilevirus in Citrus sinensis in Meta and Casanare, Colombia
                                                        

- (Peer Reviewed Journal)Roy, A., Stone, A.L., Leon, M.G., Hartung, J.S., Wei, G., Mavrodieva, V., Nakhla, M.K., Schneider, W.L., Brlansky, R.H. 2018. Sweet orange showing leprosis symptoms in Colombia are naturally infected with Hibiscus infecting cilevirus and citrus leprosis virus C2. Plant Disease. https://doi.org/10.1094/PDIS-01-18-0150-PDN.First report of Cilevirus associated with green ringspot on senescent hibiscus leaves in Tampa, Florida
                                                        

- (Peer Reviewed Journal)Roy, A., Stone, A.L., Melzer, M.J., Hartung, J.S., Mavrodieva, V., Nakhla, M.K., Brlansky, R.H., Schneider, W.L. 2017. First report of Cilevirus associated with green ringspot on senescent hibiscus leaves in Tampa, Florida. Plant Disease. http://doi.org/10.1094/PDIS-11-17-1699-PDN.Complete nucleotide sequence of a novel Hibiscus-infecting Cilevirus from Florida and its relationship with closely associated Cileviruses

- (Peer Reviewed Journal)Roy, A., Stone, A.L., Melzer, M.J., Hartung, J.S., Shao, J.Y., Mavrodieva, V., Nakhla, M.K., Brlansky, R.H., Schneider, W.L. 2018. Complete nucleotide sequence of a novel Hibiscus-infecting Cilevirus from Florida and its relationship with closely associated Cileviruses. Genome Announcements. 6(4):e01521-17.Citrus blight research

- (Trade Journal)Schneider, W.L., Roy, A., Hartung, J.S., Shao, J.Y., Brlansky, R. 2015. Citrus blight research. Citrus Industry. page 12-14.Citrus leprosis research update

- (Trade Journal)Brlansky, R.H., Roy, A., Schneider, W.L., Hartung, J.S. 2015. Citrus leprosis research update. Citrus Industry. 20-22.


Return to top


Connect with ARS Sign up


ARS Home
                            USDA.gov
                            Plain Writing
                            Policies & Links
                            Civil Rights Statements
                            FOIA
                            Accessibility Statement
                            Privacy Policy
                            Non-Discrimination Statement
                            Quality of Information
                            USA.gov
                            WhiteHouse.gov