Page Banner

United States Department of Agriculture

Agricultural Research Service

Related Topics

Karen E Keller
Horticultural Crops Research
Biological Science Technician(Biochemistry)

Phone: (541) 738-4042
Fax: (541) 738-4025

3420 NW ORCHARD AV
CORVALLIS , OR 973305014


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
First report of a resistance-breaking strain of Raspberry bushy dwarf virus in red raspberry (Rubus idaeus) in North America -
Lanning, K.K., Moore, P.P., Keller, K.E., Martin, R.R. 2016. First report of a resistance-breaking strain of Raspberry bushy dwarf virus in red raspberry (Rubus idaeus) in North America. Plant Disease. 100(4):868. doi: 10.1094/PDIS-09-15-1011-PDN.
A novel emaravirus is associated with redbud yellow ringspot disease -
Di Bello, P.L., Laney, A.G., Druciarek, T., Ho, T., Gergerich, R.C., Keller, K.E., Martin, R.R., Tzanetakis, I.E. 2016. A novel emaravirus is associated with redbud yellow ringspot disease. Virus Research. 222:41-47. doi: 10.1016/j.virusres.2016.05.027.
Evidence of sympatric speciation of elderberry carlaviruses -
Ho, T., Keller, K.E., Postman, J.D., Martin, R.R., Tzanetakis, I.E. 2016. Evidence of sympatric speciation of elderberry carlaviruses. Virus Research. 215:72-75. doi: 10.1016/j.virusres.2016.01.017.
Population Structure of Blueberry Mosaic Associated Virus: Evidence of Genetic Exchange in Geographically Distinct Isolates Reprint Icon -
Thekke-Veetil, T., Polashock, J.J., Marn, M.V., Plesko, I.M., Schilder, A.C., Keller, K.E., Martin, R.R., Tzanetakis, I.E. 2015. Population Structure of Blueberry Mosaic Associated Virus: Evidence of Genetic Exchange in Geographically Distinct Isolates. Virus Research. 201:79-84.
A variant of Rubus yellow net virus with altered genomic organization -
Diaz-Lara, A., Mosier, N.J., Keller, K.E., Martin, R.R. 2014. A variant of Rubus yellow net virus with altered genomic organization. Virus Genes. 50(1):104-110.
Blueberry mosaic associated virus – A putative, new member of Ophioviridae -
Thekke Veetil, T., Polashock, J.J., Keller, K.E., Martin, R.R., Ho, T., Tzanetakis, I.E. 2016. Blueberry mosaic associated virus – A putative, new member of Ophioviridae. Acta Horticulturae. 1117:103-110. doi: 10.17660/ActaHortic.2016.1117.18.
A new Ophiovirus is associated with blueberry mosaic disease -
Thekke-Veetil, T., Tzanetakis, I.E., Keller, K.E., Martin, R.R. 2014. A new Ophiovirus is associated with blueberry mosaic disease. Virus Research. 189:92-96.
Molecular characterization and population structure of Blueberry mosaic associated virus -
Thekke-Veetil, T., Polashock, J.J., Marn, M.V., Plesko, I.M., Keller, K.E., Martin, R.R., Ho, T., Tzanetakis, I.E. 2015. Molecular characterization and population structure of Blueberry mosaic associated virus. Proceedings of the North American Blueberry Research and Extension Workers Conference. doi:10.7282/T3JQ12PG.
Molecular characterization and population structure of a new ampelovirus associated with blackberry yellow vein disease -
Thekke-Veetil, T., Sabanadzovic, N.A., Keller, K.E., Martin, R.R., Sabanadzovic, S., Tzanetakis, I.E. 2013. Molecular characterization and population structure of a new ampelovirus associated with blackberry yellow vein disease. Virus Research. 178:234-240.
The fascinating world of berry viruses- mixed infections are the norm -
Martin, R.R., Quito-Avila, D.F., Keller, K.E., Mosier, N.J., Diaz-Lara, A., Sarver, K.E., Dittrich, J.E., Tzanetakis, I.E. 2013. The fascinating world of berry viruses- mixed infections are the norm. Abstract for: VIII Congress Biologa Vegetal, December 2-5, 2013, Pucon, Chile.
An emerging disease in blueberry -
Martin, R.R., Quito, A., Keller, K.E., Cline, W.O., Harmon, P.F., Brannen, P.M. 2012. Emerging disease in blueberry caused by a novel RNA virus. Proceedings of Petria. 22(3):335.
Occurrence of aphidborne viruses in southernmost South American populations of Fragaria chiloensis ssp. chiloensis -
Rojas, P., Almada, R.R., Sandoval, C., Keller, K.E., Martin, R.R., Caligari, P.S. 2013. Occurrence of aphidborne viruses in southernmost South American populations of Fragaria chiloensis ssp. chiloensis. Plant Pathology. 62:428-435.
Identification and characterization of a new ampelovirus infecting cultivated and wild blackberries -
Sabanadzovic, S., Keller, K.E., Martin, R.R., Tzanetakis, I.E. 2011. Identification and characterization of a new ampelovirus infecting cultivated and wild blackberries. APS Annual Meeting. 101(6):S158.
Characterization of a novel Emaravirus infecting blackberry -
Hassan, M., Keller, K.E., Martin, R.R., Sabanadzovic, S. 2011. Characterization of a novel Emaravirus infecting blackberry. APS Annual Meeting. 101(6):S170.
Sweet burden of sugarberry - a novel ampelovirus found in Celtis laevigata -
Zhou, J., Keller, K.E., Martin, R.R., Tzanetakis, I.E. 2011. Sweet burden of sugarberry - a novel ampelovirus found in Celtis laevigata. APS Annual Meeting. 101(6):S158.
Complete sequence and genetic characterization of Raspberry latent virus, a novel member of the family Reoviridae -
Quito, D.F., Jelkmann, W., Tzanetakis, I.E., Keller, K.E., Martin, R.R. 2011. Complete sequence and genetic characterization of Raspberry latent virus, a novel member of the family Reoviridae. Virus Research. 155:397-405..
A new Potyvirus sp. infects Verbena exhibiting leaf mottling symptoms -
Kraus, J., Cleveland, S., Tzanetakis, I.E., Keller, K.E., Putnam, M., Martin, R.R. 2010. A new Potyvirus sp. infects Verbena exhibiting leaf mottling symptoms. Plant Disease. 94:1132-1136.
New Viruses Found in Fig Exhibiting Mosaic Symptoms -
Tzanetakis, I.E., Laney, A.G., Keller, K.E., Martin, R.R. 2010. New viruses found in fig exhibiting mosaic symptoms. International Conference on Graft Transmissible Diseases of Fruit Crops. Available: http://icvf.jki.bund.de/
Influence of Grapevine leafroll associated viruses (GLRaV-2 and -3) on the Fruit Composition of Oregon Vitis vinifera L. cv. Pinot Noir: Free Amino Acids, Sugars, and Organic Acids -
Lee, J., Keller, K.E., Rennaker, C.D., Martin, R.R. 2009. Influence of Grapevine leafroll associated viruses (GLRaV-2 and -3) on the fruit composition of Oregon Vitis vinifera L. cv. Pinot noir: free amino acids, sugars, and organic acids. Food Chemistry. 117:99-105.
Construction and characterization of two bacterial artificial chromosome libraries of pea (Pisum sativum L.) for the isolation of economically important genes Reprint Icon -
Coyne, C.J., Mcclendon, M.T., Walling, J.G., Timmerman-Vaughn, G.M., Murray, S., Meksem, K., Lightfoot, D.A., Shultz, J.L., Keller, K.E., Martin, R.R., Inglis, D.A., Rajesh, P.N., Mcphee, K.E., Weeden, N.F., Grusak, M.A., Storlie, E.W. 2007. Construction and characterization of two bacterial artificial chromosome libraries of pea (Pisum sativum L.) for the isolation of economically important genes. Genome 50:871-875.
Y15_999FW, A DOMINANT SCAR MARKER LINKED TO THE FUSARIUM WILT RACE 1 (FW) RESISTANCE GENE IN PEA -
Okubara, P.A., Keller, K.E., Mcclendon, M.T., Inglis, D.A., Mcphee, K.E., Coyne, C.J. 2005. Y15_999fw, a dominant scar marker linked to the fusarium wilt race 1 (fw) resistance gene in pea. Pisum Genetics. Vol.37, pp32-35.
THE USE OF REVERSE TRANSCIPTASE FOR EFFICIENT FIRST AND SECOND STRAND CDNA SYNTHESIS FROM DSRNA TEMPLATES -
Tzanetakis, I.E., Keller, K.E., Martin, R.R. 2005. The use of reverse transciptase for efficient first and second strand cdna synthesis from dsrna templates. Journal of Virological Methods. 124:73-77.
DEVELOPMENT OF RESISTANCE TO RASPBERRY BUSHY DWARF VIRUS IN 'MEEKER' RED RASPBERRY -
Martin, R.R., Keller, K.E., Mathews, H. 2004. Development of resistance to raspberry bushy dwarf virus in 'meeker' red raspberry. Acta Horticulturae. 656:186-191.
TWO CRINIVIRUSES ARE ASSOCIATED WITH THE STRAWBERRY PALLIDOSIS DISEASE -
Tzanetakis, I.E., Halgren, A.B., Keller, K.E., Wintermantel, W.M., Martin, R.R. 2004. Two criniviruses are associated with the strawberry pallidosis disease. Acta Horticulturae.
A SIMPLIFIED CDNA CLONING METHOD FOR RECALCITRANT DOUBLE-STRANDED RNA VIRAL TEMPLATES USING REVERSE TRANSCRIPTASE -
Tzanetakis, I.E., Keller, K.E., Martin, R.R. A simplified cdna cloning method for recalcitrant double-stranded rna viral templates using reverse transcriptase. Phytopathology. 2004. v94 p. S104.
IDENTIFICATION AND DETECTION OF A CRINIVIRUS ASSOCIATED WITH STRAWBERRY PALLIDOSIS DISEASE -
Tzanetakis, I.E., Halgren, A.B., Keller, K.E., Hokanson, S.C., Maas, J.L., McCarthy, P.L., Martin, R.R. 2004. Identification and detection of a crinivirus associated with strawberry pallidosis disease. Plant Disease. 88:383-390.
PEA CALICO- OLD PLAYERS, NEW GAME? -
Keller, K.E., Hampton, R.O., Meyers, J.R., Tzanetakis, I.E., Dean, D., Martin, R.R. 2003. Pea calico- old players, new game?. Phytopathology. 93:S44.
TWO CRINIVIRUSES ARE ASSOCIATED WITH THE STRAWBERRY PALLIDOSIS DISEASE -
Tzanetakis, I.E., Halgren, A.B., Keller, K.E., Wintermantel, W.M., Martin, R.R. 2003. Two criniviruses are associated with the strawberry pallidosis disease. Acta Horticulturae.
POTYVIRUS GENOME-LINKED PROTEIN (VPG) DETERMINES PEA SEED-BORNE MOSAIC VIRUS PATHOTYPE-SPECIFIC VIRULENCE IN PISUM SATIVUM -
SUPPRESSION OF POTYVIRUS INFECTION BY COEXPRESSED CLOSTEROVIRUS PROTEIN -
Last Modified: 5/2/2016
Footer Content Back to Top of Page