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


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
First report of nectarine virus M in grapefruit (Citrus x paradisi Macfad.) in association with citrus chlorotic blotch disease in Texas, USA - (Peer Reviewed Journal)
Roy, A., Ouro-Djobo, A., Grinstead, S.C., Hammond, J., Setamou, M., Alabi, O.J. 2024. First report of nectarine virus M in grapefruit (Citrus x paradisi Macfad.) in association with citrus chlorotic blotch disease in Texas, USA. Plant Disease. https://doi.org/10.1094/PDIS-05-24-1024-PDN.
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.
First report of Hibiscus soymovirus in Hibiscus rosa-sinensis in Colombia in mixed infection - (Peer Reviewed Journal)
Roy, A., Grinstead, S.C., Juan Carlos, C.P., Hammond, J., Leon, G.M. 2024. First report of Hibiscus soymovirus in Hibiscus rosa-sinensis in Colombia in mixed infection. Plant Disease. 108:826. https://doi.org/10.1094/PDIS-10-23-2153-PDN.
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.
Distribution, host plants and vector mites of the citrus leprosis virus in Colombia - ()
Guillermo, L.M., Campos Pinzon, J., Guevara, Y., Roy, A. 2023. Distribution, host plants and vector mites of the citrus leprosis virus in Colombia. Extension Reports. https://doi.org/10.21930/agrosavia.investigation.7406429.
“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 - ()
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 - ()
Brlansky, R.H., Roy, A., Schneider, W.L., Hartung, J.S. 2015. Citrus leprosis research update. Citrus Industry. 20-22.