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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 (PhD)
Molecular Plant Pathology Laboratory
Research Plant Pathologist

Phone: (301) 504-6374
Fax:

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Projects
Discovery, Characterization, and Diagnostics of Endemic and Exotic Citrus Pathogens Using High Throughput Sequencing (HTS)
In-House Appropriated (D)
  Accession Number: 441768
A 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 Reprint Icon - (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 Reprint Icon - (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 Reprint Icon - (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 Reprint Icon - (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 Reprint Icon - (Research Notes)
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)” Reprint Icon - (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 Reprint Icon - (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 Reprint Icon - (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 Reprint Icon - (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 Reprint Icon - (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 Reprint Icon - (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.