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Stewart M Gray
Biological Integrated Pest Management Unit
Research Plant Pathologist

Phone: (607) 255-7844
Fax: (607) 255-1132
Room VN LAB
USDA-ARS, ROBERT W. HOLLEY CENTER, TOWER ROAD
ITHACA, NY, 14853-2901

Projects
Management of Nematodes and Virus Diseases Affecting Potato and Grain Crops
Appropriated (D)
  Accession Number: 411675
The Regulation of Circulative Virus Transmission in Aphids
Grant (G)
  Accession Number: 413336
Development of Comprehensive Strategies to Manage Potato Virus Y and Eradicate the Tuber Necrotic Variants Recently Introduced into the U.S.
Reimbursable (R)
  Accession Number: 418073
The Genetic and Biochemical Regulation of Circulative Virus Transmission in Aphids
Reimbursable (R)
  Accession Number: 412800
Complete Sequence and Diversity of the Pvy Complex
Reimbursable (R)
  Accession Number: 415296
Improved Diagnostics and Management Strategies for Potato Viruses
Specific Cooperative Agreement (S)
  Accession Number: 411280
Development and Release of Golden Nematode Resistant Potatoes
Specific Cooperative Agreement (S)
  Accession Number: 409483
Biological and Genetic Analysis of Potato Virus Y Isolates Affecting the U. S. Potato Crop
Specific Cooperative Agreement (S)
  Accession Number: 413341

Publications
Serological properties of ordinary and necrotic isolates of Potato virus Y: a case study of PVYN misidentification - (Peer Reviewed Journal)
Karasev, A.V., Nikolaeva, O.V., Hu, X., Sielaff, Z., Whitworth, J.L., Lorenzen, J., Gray, S.M. 2009. Serological properties of ordinary and necrotic isolates of Potato virus Y: a case study of PVYN misidentification. American Journal of Potato Research. Available: http://www.springerlink.com/content/04u8141225868w72/
A Comparison of Protein Extraction Methods Suitable for Gel-Based Proteomics Studies of Aphid Proteins - (Peer Reviewed Journal)
Cilia, M., Fish, T., Yang, X., Mclaughlin, M., Thannhauser, T.W., Gray, S.M. 2009. A Comparison of Protein Extraction Methods Suitable for Gel-Based Proteomics Studies of Aphid Proteins. Journal of Biomolecular Techniques. 20(4):201-215.
The C-terminus of the Polerovirus P5 readthrough domain limits virus infection to the phloem - (Peer Reviewed Journal)
Peter, K., Gildow, F., Palukaitis, P., Gray, S.M. 2009. The C-terminus of the Polerovirus P5 readthrough domain limits virus infection to the phloem. Journal of Virology. 83(11):5419-5429.
A novel recombinant strain of Potato virus Y allows identification of a new viral genetic determinant of vein necrosis in tobacco - (Peer Reviewed Journal)
Hu, X., Meacham, T., Ewing, L., Gray, S.M., Karasev, A.V. 2009. A novel recombinant strain of Potato virus Y allows identification of a new viral genetic determinant of vein necrosis in tobacco. Virus Genes. 143(1):68-76.
Barley Yellow Dwarf - (Literature) - (01-Nov-08)
Positive Darwinian selection at single amino acid sites conferring plant virus resistance - (Peer Reviewed Journal)
Cavatorta, J., Savage, A., Yeam, I., Gray, S.M., Jahn, M. 2008. Positive Darwinian selection at single amino acid sites conferring plant virus resistance. Journal of Molecular Evolution. 67(5):551-559.
Identification of Potato virus Y Strains Associated with Tuber Damage During a Recent Virus Outbreak in Potato in Idaho - (Peer Reviewed Journal)
Karasev, A.V., Meacham, T., Hu, X., Whitworth, J.L., Gray, S.M., Olsen, N., Nolte, P. 2008. Identification of Potato virus Y Strains Associated with Tuber Damage During a Recent Virus Outbreak in Potato in Idaho. Plant Disease.92:1371
Emerging diversity in Potato virus Y poses new challenges for the U.S. potato industry - (Abstract)
Gray, S.M., Karasev, A., Lorenzen, J., Whitworth, J.L., Nolte, P., Perry, K. 2008. Emerging diversity in Potato virus Y poses new challenges for the U.S. potato industry. Phytopathology. 98:S61.
Analysis of Cyclophilin involvement in CYDV-RPV transmission by Schizaphis graminum - (Abstract)
Tamborindeguy, C., Gray, S.M. 2008. Analysis of Cyclophilin involvement in CYDV-RPV transmission by Schizaphis graminum. Phytopathology. 98:S154.
Impact of Potato virus Y on long term storage of potato - (Abstract)
Groves, R., Charkowski, A., Bussan, A., Gray, S.M. 2008. Impact of Potato virus Y on long term storage of potato. Phytopathology. 98:S62.
Molecular evolutionary analysis of resistance gene eIF4E and creation of novel resistance alleles in potato - (Abstract)
Cavatorta, J., Perez, K., Jahn, M., Gray, S.M. 2008. Molecular evolutionary analysis of resistance gene eIF4E and creation of novel resistance alleles in potato. Phytopathology. 98:S33.
Phloem limitation of potato leafroll virus is an asset not a liability - (Abstract)
Peter, K., Palukaitis, P., Bussan, A., Gray, S.M. 2008. Phloem limitation of potato leafroll virus is an asset not a liability. Phytopathology. 98:S124.
Genomic resources for Myzus persicae: EST sequencing, SNP identification, and microarray design - (Peer Reviewed Journal)
Ramsey,, J., Wilson,, A., De Vos,, M., Sun,, Q., Tamborindinguy,, C., Winfield,, A., Mallack,, G., Smith,, D., Fenton,, B., Gray, S.M., Jander,, G. 2007. Genomic resources for Myzus persicae: EST sequencing, SNP identification, and microarray design. Biomed Central (BMC) Genomics. 8:423.
The naming of Potato virus Y strains infecting potato - (Peer Reviewed Journal)
Singh,, R.P., Valkonen,, J.T., Gray, S.M., Boonham,, N., Jones,, A.C., Kerlan,, C., Schubert,, J. 2008. The naming of Potato virus Y strains infecting potato. Archives of Virology. 153(1):1-13.
Coupling genetics and proteomics to identify aphid proteins associated with vector-specific transmission of Polerovirus (Luteoviridae) - (Peer Reviewed Journal)
Yang, X., Thannhauser, T.W., Burrows, M.E., Cox Foster, D., Gildow, F., Gray, S.M. 2008. Coupling genetics and proteomics to identify aphid proteins associated with vector-specific transmission of Polerovirus (Luteoviridae). Journal of Virology. 82:291-299.
Small deletions in the potato leafroll virus readthrough protein affect particle morphology, aphid transmission, virus movement and accumulation - (Peer Reviewed Journal)
Peter,, K., Liang,, D., Palukaitis,, P., Gray, S.M. 2007. Small deletions in the potato leafroll virus readthrough protein affect particle morphology, aphid transmission, virus movement and accumulation. Journal of General Virology. 88:1821-1830.
Point mutations in the potato leafroll virus major capsid protein alter virion stability and aphid transmission - (Peer Reviewed Journal)
Kaplan, I.`., Lee, L., Ripoli, D., Palukaitis, P., Gildow, F., Gray, S.M. 2007. Point mutations in the potato leafroll virus major capsid protein alter virion stability and aphid transmission. Journal of General Virology. 88:1821-1830.
A Chinese Isolate of Barley Yellow Dwarf Virus-Pav Represents a Third Distinct Species Within the Pav Serotype - (Peer Reviewed Journal)
Liu, F., Wang, X., Xie, Y., Gray, S.M., Zhou, G., Gao, B. 2007. A chinese isolate of barley yellow dwarf virus-pav represents a third distinct species within the pav serotype. Archives of Virology. 152:1365-1373
Biological and Serological Properties of Potato Virus Y Isolates in Northeastern Us Potatoes - (Peer Reviewed Journal)
Baldauf, P., Gray, S.M., Perry, K. 2006. Biological and serological properties of potato virus y isolates in northeastern us potatoes. Plant Disease. 90:559-596.
Biometrical Genetic Analysis of Luteovirus Transmission in the Aphid Schizaphis Graminum - (Peer Reviewed Journal)
Burrows, M.E., Caillaud, M.C., Smith, D.M., Gray, S.M. 2007. Biometrical genetic analysis of luteovirus transmission in the aphid schizaphis graminum. Heredity. 98:106-113.
Transmission of Viruses That Cause Barley Yellow Dwarf Is Controlled by Different Loci in the Aphid, Schizaphis Graminum - (Peer Reviewed Journal)
Gray, S.M., Caillaud, M., Burrows, M.E., Smith, D. 2007. Transmission of viruses that cause barley yellow dwarf is controlled by different loci in the aphid, schizaphis graminum. Journal of Insect Science. 24:53-78.
Analysis of Genetic Bottlenecks During Horizontal Transmission of Cucumber Mosaic Virus - (Peer Reviewed Journal)
Ali, A., Li, H., Schneider, W.L., Sherman, D.J., Gray, S.M., Smith, D., Roossinck, M.J. 2006. Analysis of genetic bottlenecks during horizontal transmission of cucumber mosaic virus. Journal of Virology. 80:8345-8350
Proteins in the Aphid Schizaphis Graminum Associated with Vectoring Luteoviruses - (Abstract)
Thannhauser, T.W., Yang, X., Gray, S.M., Burrows, M.E., Cox-Foster, D., Gildow, F. 2006. Proteins in the aphid schizaphis graminum associated with vectoring luteoviruses. Phytopathology. 96:S127.
Soil-Borne Wheat Mosaic Virus - (Other)
Cadle Davidson, L.E., Gray, S.M. 2006. Soil-borne wheat mosaic virus. The Plant Health Instructor. DOI: 10:1094/PHI-I-2006-0424-01.
Evaluation of Resistance to Soilborne Wheat Mosaic Virus by Analysis of Disease Incidence Data - (Peer Reviewed Journal)
Cadle Davidson, L.E., Sorrells, M.E., Gray, S.M., Bergstrom, G.C. 2006. Evaluation of resistance to soilborne wheat mosaic virus by analysis of disease incidence data. Plant Disease 90(8):1039-1044.
Evaluation of Resistance to Wheat Spindle Streak Mosaic Virus by Analysis of Disease Incidence Data - (Peer Reviewed Journal)
Cadle Davidson, L.E., Sorrells, M.E., Gray, S.M., Bergstrom, G.C. 2006. Evaluation of resistance to wheat spindle streak mosaic virus by analysis of disease incidence data. Plant Disease 90(8):1045-1050.
The Genetic Regulation of Luteovirus and Polerovirus Transmission in the Aphid Schizaphis Graminum - (Peer Reviewed Journal)
Burrows, M.E., Benson, E., Smith, D., Caillaud, M., Gildow, F., Gray, S.M. 2006. The genetic regulation of luteovirus and polerovirus transmission in the aphid schizaphis graminum. Phytopathology. 96:828-837.
Aphid Transmission of Plant Viruses - (Book/Chapter) - (27-Jan-06)
A Surface Loop of the Potato Leafroll Virus Coat Protein Is Involved in Virion Assembly, Systemic Movement and Aphid Transmission - (Peer Reviewed Journal)
Lee, L., Kaplan, I., Ripoll, D., Liang, D., Palukaitis, P., Gray, S.M. 2005. A surface loop of the potato leafroll virus coat protein is involved in virion assembly, systemic movement and aphid transmission. Journal of Virology. 79:1207-1214.
Global Bydv/cydv Sequencing Project - (Abstract)
Gray, S.M., Miller, W.A., Anderson, J.M., Gai, X. 2004. Global bydv/cydv sequencing project. Phytopathology. 94:S71.
Cellular and Molecular Regulation of Luteovirus Transmission by Aphid Vectors - (Abstract)
Gildow, F.E., Cox-Foster, D., Gray, S.M. 2004. Cellular and molecular regulation of luteovirus transmission by aphid vectors. Phytopathology. 94:S134.
The Genetics of Luteovirus Transmission in the Aphid Vector, Schizaphis Graminum - (Abstract)
Burrows, M.E., Smith, D., Benson, E., Gray, S.M. 2004. The genetics of luteovirus transmission in the aphid vector, schizaphis graminum. Phytopathology. 94:S12.
A Surface Loop of the Potato Leafroll Virus Coat Protein Is Involved in Virion Stability and Aphid Transmission - (Abstract)
Kaplan, I., Lee, L., Ripoll, D.E., Liang, D., Palukaitis, P., Gray, S.M. 2004. A surface loop of the potato leafroll virus coat protein is involved in virion stability and aphid transmission. Phytopathology. 94:S58.
Site-Directed Mutagenesis and Generation of Chimeric Viruses by Homologous Recombination in Yeast to Facilitate Analysis of Plant-Virus Interactions - (Peer Reviewed Journal)
Liang, D., Gray, S.M., Palukaitis, P. 2004. Site-directed mutagenesis and generation of chimeric viruses by homologous recombination in yeast to facilitate analysis of plant-virus interactions. Molecular Plant Microbe Interactions. 17:571-576.
Luteovirus-Aphid Interactions - (Review Article)
GRAY, S.M., GILDOW, F.E. LUTEOVIRUS-APHID INTERACTIONS. ANNUAL REVIEW OF PHYTOPATHOLOGY. 2003. V. 41. P. 539-566.
Using Air Pressure Cells to Evaluate the Effect of Soil Environment on the Transmission of Wheat Soil-Borne Mosaic Virus - (Peer Reviewed Journal)
Davidson, L.E., Schindelbeck, R.R., Van Es, H.M., Gray, S.M., Bergstrom, G.C. 2003. Using air pressure cells to evaluate the effect of soil environment on the transmission of wheat soil-borne mosaic virus. Phytopathology. 93:1131-1136.
Using Air Pressure Cells to Evaluate the Effect of Soil Environment on the Transmission of Wheat Soil-Borne Mosaic Virus - (Peer Reviewed Journal)
DAVIDSON, L.E., SCHINDELBECK, R.R., VAN ES, H.M., GRAY, S.M., BERGSTROM, G.C. USING AIR PRESSURE CELLS TO EVALUATE THE EFFECT OF SOIL ENVIRONMENT ON THE TRANSMISSION OF WHEAT SOIL-BORNE MOSAIC VIRUS. PHYTOPATHOLOGY. 2003. V. 93. P. 1131-1136.
Timing of Potato Virus Y Infection and Implications for Patterns of Virus Movement into and among Tubers - (Abstract)
GROVES, R.L., GRAY, S.M. 2003. TIMING OF POTATO VIRUS Y INFECTION AND IMPLICATIONS FOR PATTERNS OF VIRUS MOVEMENT INTO AND AMONG TUBERS. PHYTOPATHOLOGY. 93:S30.
Assessing Resistance to Soilborne Viruses on Small Grains in a Four-Year Study: Strategies, Barriers, and Analysis - (Abstract)
CADLE-DAVIDSON, L., SORRELLS, M., GRAY, S.M., BERGSTROM, G. ASSESSING RESISTANCE TO SOILBORNE VIRUSES ON SMALL GRAINS IN A FOUR-YEAR STUDY: STRATEGIES, BARRIERS, AND ANALYSIS. PHYTOPATHOLOGY. 2003. p. 33.
Ciliated Protozoans As Alternate Hosts for Wheat Spindle Streak Mosaic Virus - (Abstract)
CADLE-DAVIDSON, L., CADLE-DAVIDSON, M., NERAD, T., GRAY, S.M., BERGSTROM, G. CILIATED PROTOZOANS AS ALTERNATE HOSTS FOR WHEAT SPINDLE STREAK MOSAIC VIRUS. PHYTOPATHOLOGY. 2003. p. 22.
Identifying Biologically Active Regions of the Potato Leafroll Virus Coat Protein - (Abstract)
Lee, L., Liang, D., Palukaitis, P., Gray, S.M. 2003. Identifying biologically active regions of the potato leafroll virus coat protein. American Society for Virology Meeting. p. 27.
Assessing the Resistance of Winter Wheat to Wheat Spindle Streak Mosaic Bymovirus - (Peer Reviewed Journal)
CARROLL, J.E., BERGSTROM, G.C., GRAY, S.M. ASSESSING THE RESISTANCE OF WINTER WHEAT TO WHEAT SPINDLE STREAK MOSAIC BYMOVIRUS. CANADIAN JOURNAL OF PLANT PATHOLOGY. 2002.
Biological Analysis of Potato Leafroll Virus Structural Proteins - (Abstract)
Liang, D., Lee, L., Smith, D., Palukaitis, P., Gray, S.M. 2003. Biological analysis of potato leafroll virus structural proteins. American Society for Virology Meeting. p.17.

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Last Modified: 11/25/2009
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