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Sam Grinstead
National Germplasm Resources Laboratory
Biological Science Technician

Phone: (301) 504-8573
Fax: (301) 504-8397
Room 025

10300 BALTIMORE AVENUE
BLDG 004 BARC-WEST
BELTSVILLE, MD 20705

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Identification and characterization of Miscanthus yellow fleck virus, a new polerovirus infecting Miscanthus sinensis Reprint Icon - (Peer Reviewed Journal)
Bolus, S.J., Malapi-Wight, M., Grinstead, S.C., Fuentes-Bueno, I., Hendrickson, L., Hammond, R., Mollov, D.S. 2020. Identification and characterization of Miscanthus yellow fleck virus, a new polerovirus infecting Miscanthus sinensis. PLoS ONE. https://doi.org/10.1371/journal.pone.0239199.
Screening for sugarcane yellow leaf virus in sorghum in Florida revealed its occurrence in mixed infections with sugarcane mosaic virus and a new marafivirus Reprint Icon - (Peer Reviewed Journal)
Boukari, W., Mollov, D.S., Wei, C., Tang, L., Grinstead, S.C., Tahir, N., Mulandesa, E., Hincappie, M., Beiriger, R., Rott, P. 2020. Screening for sugarcane yellow leaf virus in sorghum in Florida revealed its occurrence in mixed infections with sugarcane mosaic virus and a new marafivirus. Plant Pathology. https://doi.org/10.1016/j.cropro.2020.105373.
Identification of complete genome sequencing of alfalfa virus S diagnosed in alfalfa plants (Medicago sativa L.) from Washington State, USA Reprint Icon - (Peer Reviewed Journal)
Nemchinov, L.G., Grinstead, S.C., Irish, B.M., Shao, J.Y. 2020. Identification of complete genome sequencing of alfalfa virus S diagnosed in alfalfa plants (Medicago sativa L.) from Washington State, USA. Plant Disease. https://doi.org/10.1094/PDIS-06-20-1374-PDN.
Identification of a novel isolate of Alfalfa virus S from China suggests a possible role of seed contamination in the distribution of the virus Reprint Icon - (Peer Reviewed Journal)
Nemchinov, L.G., Mollov, D.S., Grinstead, S.C. 2020. Identification of a novel isolate of Alfalfa virus S from China suggests a possible role of seed contamination in the distribution of the virus.. Plant Disease. https://doi.org/10.1094/PDIS-04-20-0906-SC.
Exploring the virome of Vasconcellea x heilbornii: the first step towards a sustainable production program for babaco in Ecuador Reprint Icon - (Peer Reviewed Journal)
Cornejo-Franco, J., Flores, F., Chica, E., Grinstead, S.C., Mollov, D.S., Quito-Avila, D. 2020. Exploring the virome of Vasconcellea x heilbornii: the first step towards a sustainable production program for babaco in Ecuador. European Journal of Plant Pathology. https://doi.org/10.1007/s10658-020-02037-2.
High throughput sequencing, a routine tool for sugarcane virus detection - (Abstract Only)
Mollov, D.S., Grinstead, S.C., Fuentes-Bueno, I., Malapi-Wight, M. 2020. High throughput sequencing, a routine tool for sugarcane virus detection. American Society of Sugar Cane Technologists. Vol 83:1, page 20.
Biological properties and genomic sequence of an isolate of Cherry rasp leaf virus from tomato Reprint Icon - (Peer Reviewed Journal)
Bratsch, S., Grinstead, S.C., Lockhart, B., Mollov, D.S. 2020. Biological properties and genomic sequence of an isolate of Cherry rasp leaf virus from tomato. Journal of Plant Pathology. https://doi.org/10.1007/s42161-020-00522-5.
Ramu stunt virus: genomic diversity across Papua New Guinea - (Peer Reviewed Journal)
Braithwaite, K., Ngo, C., Grinstead, S.C., Mollov, D.S. 2019. Ramu stunt virus: genomic diversity across Papua New Guinea. Proceedings of the International Society of Sugarcane Technologists. 30:948-952.
Characterization of a new cytorhabdovirus discovered in papaya (Carica papaya) plantings of Ecuador and its relationship with a bean-infecting strain from Brazil Reprint Icon - (Peer Reviewed Journal)
Medina-Salguero, A., Cornejo-Franco, J., Grinstead, S.C., Mollov, D.S., Mowery, J.D., Flores, F., Quito-Avila, D. 2019. Characterization of a new cytorhabdovirus discovered in papaya (Carica papaya) plantings of Ecuador and its relationship with a bean-infecting strain from Brazil. PLoS One. https://doi.org/10.1371/journal.pone.0215798.
New Emaravirus identified in spicebush (Lindera benzoin) - (Abstract Only)
Molecular characterization and detection of two novel carlaviruses infecting cactus Reprint Icon - (Peer Reviewed Journal)
Peng, L., Wu, L., Grinstead, S.C., Kinard, G.R., Li, R. 2019. Molecular characterization and detection of two novel carlaviruses infecting cactus. Archives of Virology. https://doi.org/10.1007/s00705-019-04279-w.
A new tymovirus isolated from Solanum quitoense: characterization and prevalence in two solanaceous crops in Ecuador Reprint Icon - (Peer Reviewed Journal)
Cornejo-France, J., Alvarez-Quito, R., Grinstead, S.C., Mollov, D.S., Karasev, A., Ochoa, J., Quito-Avila, D. 2019. A new tymovirus isolated from Solanum quitoense: characterization and prevalence in two solanaceous crops in Ecuador. Plant Disease. https://doi.org/10.1094/PDIS-01-19-0113-RE.
Characterization of Tomato necrotic spot virus, a subgroup 1 ilarvirus causing necrotic foliar, stem, and fruit symptoms in tomatoes in the United States Reprint Icon - (Peer Reviewed Journal)
Bratsch, S., Grinstead, S.C., Creswell, T., Ruhl, G., Mollov, D.S. 2019. Characterization of Tomato necrotic spot virus, a subgroup 1 ilarvirus causing necrotic foliar, stem, and fruit symptoms in tomatoes in the United States. Plant Disease. https://doi.org/10.1094/PDIS-11-18-2112-RE.
Using high throughput sequencing in plant virus diagnostics - (Abstract Only)
Sugarcane streak mosaic virus detected in Louisiana - (Abstract Only)
Mollov, D.S., Grinstead, S.C., Hale, A.L., Malapi-Wight, M., Grisham, M.P. 2018. Sugarcane streak mosaic virus detected in Louisiana. Sugar Journal. 81:19.
First report of Beet western yellows virus infecting Epiphyllum spp - (Peer Reviewed Journal)
Eicholtz, M.I., Grinstead, S.C., Wu, L., Kinard, G.R., Li, R. 2017. First report of Beet western yellows virus infecting Epiphyllum spp. Plant Disease. https://doi.org/10.1094/PDIS-08-17-1238-PDN.
A first report and complete genome sequence of alfalfa enamovirus from Sudan - (Peer Reviewed Journal)
Nemchinov, L.G., Grinstead, S.C., Mollov, D.S. 2017. A first report and complete genome sequence of alfalfa enamovirus from Sudan. Genome Announcements. e00531-17. doi: 10.1128/genomeA.00531-17.
Alfalfa virus S, a new species in the family Alphaflexiviridae - (Peer Reviewed Journal)
Nemchinov, L.G., Grinstead, S.C., Mollov, D.S. 2017. Alfalfa virus S, a new species in the family Alhapflexiviridae. PLoS One. 12(5):e0178222.
Identification and genome characterization of a new virus infecting the weed Sorghum almum in Florida - (Abstract Only)
Mollov, D.S., Grinstead, S.C., Tahir, M., Rott, P. 2017. Identification and genome characterization of a new virus infecting the weed Sorghum almum in Florida. Sugar Journal. 80:16.
A new virus from the family Tombusviridae infecting sugarcane - (Abstract Only)
Tahir, N., Grinstead, S.C., Mollov, D.S. 2017. A new virus from the family Tombusviridae infecting sugarcane. Phytopathology. S5:98.
Complete nucleotide sequence and genome organization of a novel allexivirus from alfalfa (Medicago sativa) - (Abstract Only)
Characterization and complete genome sequence of a previously uncharacterized panicovirus from Bermuda grass detected by high throughput sequencing - (Peer Reviewed Journal)
Tahir, M., Lockhart, B., Grinstead, S.C., Mollov, D.S. 2017. Characterization and complete genome sequence of a previously uncharacterized panicovirus from Bermuda grass detected by high throughput sequencing. Archives of Virology. 162(4):1099-1102.
Next generation sequencing technology: a powerful tool for the genome characterization of sugarcane mosaic virus from Sorghum almum - (Abstract Only)
Mollov, D.S., Grinstead, S.C., Tahir, M.N., Kaye, C., Wei, C., Rott, P. 2016. Next generation sequencing technology: a powerful tool for the genome characterization of sugarcane mosaic virus from Sorghum almum. Sugar Journal. P. 13.
Nucleotide sequence and genome organization of a novel Panicovirus from Bermuda grass - (Abstract Only)
Tahir, M., Lockhart, B., Grinstead, S.C., Mollov, D.S. 2016. Nucleotide sequence and genome organization of a novel Panicovirus from Bermuda grass. Phytopathology. 106:S4.107.