Projects

IDENTIFICATION, CHARACTERIZATION, AND BIOLOGY OF FOREIGN AND EMERGING INSECT-TRANSMITTED PLANT PATHOGENS Appropriated (D)   Accession Number: 411484

PSYLLID MEDIATED COMPLETION OF PATHOGENICITY TESTS (KOCH'S POSTULATES) WITH A PURE CULTURE OF THE ASSOCIATED HUANGLONGBING CAUSAL BACTERIUM Trust (T)   Accession Number: 416487

Publications

The development of 'HoneySweet' - a transgenic Plum pox virus (PPV) resistant plum and the application of intron-hairpin (ihp) RNA technology for PPV resistance in stone fruits - (Abstract)

Scorza, R., Hily, J., Callahan, A.M., Damsteegt, V.D., Ravelonandro, M. 2008. The development of 'HoneySweet' - a transgenic Plum pox virus (PPV) resistant plum and the application of intron-hairpin (ihp) RNA technology for PPV resistance in stone fruits. HortScience. 4:1069.

A genetic linkage map for an apricot (Prunus armeniaca L.) BCI population mapping Plum pox virus resistance - (Peer Reviewed Journal)

Lalli, D., Abbott, A., Zhebentyayeva, T., Badenes, M., Damsteegt, V.D., Polak, J., Krska, B., Salava, J. 2008. A genetic linkage map for an apricot (Prunus armeniaca L.) BCI population mapping Plum pox virus resistance. Tree Genetics & Genomics. 4:481-493.

Plum pox virus coat protein gene intron-hairpin-RNA (ihpRNA) constructs provide resistance to Plum pox virus in Nicotiana benthamiana and Prunus domestica - (Peer Reviewed Journal)

Hily, J., Scorza, R., Ravelonandro, M., Damsteegt, V.D., Bassett, C.L., Petri, C., Liu, Z. 2007. Plum pox virus coat protein gene intron-hairpin-RNA (ihpRNA) constructs provide resistance to Plum pox virus in Nicotiana benthamiana and Prunus domestica. Journal of the American Society for Horticultural Science. 132(6):850-858.

IDENTIFICATION OF A MUTATION IN THE PLUM POX POTYVIRUS NIB GENE ASSOCIATED WITH ADAPTATION TO PEA (PISUM SATIVUM) - (Peer Reviewed Journal)

Wallis, C.M., Schneider, W.L., Stone, A.L., Sherman, D.J., Damsteegt, V.D., Gildow, F.E. 2007. Identification of a mutation in the plum pox potyvirus nib gene associated with adaptation to pea (pisum sativum). Journal of General Virology. 88:2839-2845.

Murraya paniculata (orange jasmine), a host and possible inoculum reservoir for Candidatus Liberibacter asiaticus, causal agent of Huanglongbing - (Abstract)

Damsteegt, V.D., Schneider, W.L., Stone, A.L. 2007. Murraya paniculata (orange jasmine), a host and possible inoculum reservoir for Candidatus Liberibacter asiaticus, causal agent of Huanglongbing. Phytopathology. 97:S26 . Phytopathology.

Deregulation of plum pox resistant transgenic plum 'Honeysweet' - (Proceedings/Symposium)

Scorza, R., Hily, J., Callahan, A.M., Malinowski, T., Cambra, M., Capote, N., Zagrai, I., Damsteegt, V.D., Briard, P., Ravelonandro, M. 2007. Deregulation of plum pox resistant transgenic plum 'Honeysweet'. Acta Horticulturae. 738:669-673.

PRUNUS HOST RANGE OF PLUM POX VIRUS (PPV) IN THE UNITED STATES BY APHID AND GRAFT INOCULATION - (Peer Reviewed Journal)

Damsteegt, V.D., Scorza, R., Stone, A.L., Schneider, W.L., Webb, K.K., Demuth, M.A., Gildow, F.E. 2007. Prunus host range of plum pox virus (ppv) in the United States by aphid and graft inoculation. Plant Disease. 91:18-23

AN ASSESSMENT MODEL FOR RATING HIGH-THREAT CROP PATHOGENS - (Peer Reviewed Journal)

Schaad, N.W., Abrams, J., Madden, L.V., Frederick, R.D., Luster, D.G., Damsteegt, V.D., Vidaver, A.K. 2006. An assessment model for rating high-threat crop pathogens. Phytopathology 96:616-621

TRANSMISSION OF XYLELLA FASTIDIOSA WELLS, CAUSAL AGENT OF CITRUS VARIEGATED CHLOROSIS, BY THE GLASSY-WINGED SHARPSHOOTER, HOMALODISCA COAGULATA SAY - (Peer Reviewed Journal)

Damsteegt, V.D., Brlansky, R.H., Phillips, P.A., Roy, A. 2006. Transmission of xylella fastidiosa wells, causal agent of citrus variegated chlorosis, by the glassy-winged sharpshooter, homalodisca coagulata say. Plant Disease 90:567-570

QUANTIFICATION OF POSITIVE AND NEGATIVE STRAND RATIOS FOR PLUM POX VIRUS BY REAL-TIME FLUORESCENT REVERSE TRANSCRIPTION-PCR - (Peer Reviewed Journal) - (10-Dec-05)

'HONEYSWEET' - A TRANSGENIC PLUM POX VIRUS RESISTANT PLUM - DEVELOPMENT, FIELD TESTING, AND REGULATORY ISSUES. - (Abstract)

Scorza, R., Gonsalves, D., et. al. 'Honeysweet' - A Transgenic Plum Pox Virus Resistant Plum - Development, Field Testing, and Regulatory Issues. International Symposium on Biotechnology of Temperate Fruit Crops and Tropical Species. Abstract. October 10-14, 2005 in Daytona Beach, Florida, USA.

IDENTIFICATION AND MAPPING OF RESISTANCE GENE ANALOGS (RGAS) IN PRUNUS: A RESISTANCE MAP FOR PRUNUS - (Peer Reviewed Journal)

Lalli, D.A., Decroocq, V., Blenda, A.V., Schurdi-Levraud, V., Garay, L., Le Gall, O., Damsteegt, V.D., Reighard, G.L., Abbott, A.V. 2005. Identification and mapping of resistance gene analogs (rgas) in prunus: a resistance map for prunus. Journal of Theoretical and Applied Genetics (2005) 111:1504-1513

IN PLANTA INTERACTIONS OF THREE PLUM POX POTYVIRUS STRAINS WITHIN CULTIVAR LOVELL PEACH SEEDLINGS - (Abstract)

Damsteegt, V.D., Stone, A.L., Sherman, D.J., Schneider, W.L., Gildow, F., Luster, D.G. 2005. In planta interactions of three plum pox potyvirus strains within cultivar Lovell peach seedlings[abstract]. Phytopathology. 95:S22.

THE SOYBEAN APHID, APHIS GLYCINES, A NEW VECTOR OF ENDEMIC DWARFING AND YELLOWING ISOLATES OF SOYBEAN DWARF LUTEOVIRUS - (Abstract)

Damsteegt, V.D., Stone, A.L., Schneider, W.L., Sherman, D.J., Gildow, F.E., Luster, D.G. 2005. The soybean aphid, Aphis glycines, a new vector of endemic dwarfing and yellowing isolates of soybean dwarf luteovirus [abstracr]. Phytopathology. 95:S22.

PLUM POX POTYVIRUS POPULATION DIVERSITY IN PENNSYLVANIA, IN SINGLE ORCHARDS, AND IN INDIVIDUAL REPLICATING POPULATIONS - (Other)

Schneider, W.L., Sherman, D.J., Stone, A.L., Buckley, K., Damsteegt, V.D. 2005. Plum pox potyvirus population diversity in Pennsylvania, in single orchards, and in individual replicating populations [abstract]. Phytopathology. 95:S94.

A COMBINED AGAR ABSORBENT AND BIO-PCR ASSAY FOR SENSITIVE DETECTION OF XYLELLA FASTIDIOSA IN GRAPE AND CITRUS - (Peer Reviewed Journal)

Fatmi, M., Damsteegt, V.D., Schaad, N.W. 2005. A combined agar absorbent and bio-pcr assay for sensitive detection of xylella fastidiosa in grape and citrus. Plant Pathology. 54:1-7

POTENTIAL PRUNUS HOST RANGE OF PPV-PENN ISOLATES BY APHID TRANSMISSION - (Proceedings/Symposium)

Damsteegt, V.D., Stone, A.L., Gildow, F.E., Schneider, W.L., Luster, D.G. 2004. Potential prunus host range of ppv-penn isolates by aphid transmission. Acta Horticulture 657:201-206

TRANSMISSION OF TWO NORTH AMERICAN ISOLATES OF PLUM POX VIRUS: IDENTIFICATION OF APHID VECTORS AND SPECIES-SPECIFIC TRANSMISSION FROM INFECTED STONE FRUITS - (Proceedings/Symposium)

Gildow, F.E., Damsteegt, V.D., Stone, A.L., Schneider, W.L., Luster, D.G., Levy, L. 2004. Transmission of two north american isolates of plum pox virus: identification of aphid vectors and species-specific transmission from infected stone fruits. Acta Horticulture 657:207-212

TRANSMISSION OF THREE NORTH AMERICAN ISOLATES OF PLUM POX VIRUS: IDENTIFICATION OF APHID VECTORS AND SPECIES-SPECIFIC TRANSMISSION FROM INFECTED STONE FRUITS - (Proceedings/Symposium)

Gildow, F., Damsteegt, V.D., Stone, A.L., Schneider, W.L., Luster, D.G., Levy, L. 2004. Transmission of three north american isolates of plum pox virus: identification of aphid vectors and species-specific transmission from infected stone fruits. Acta Horticulture 657:207-212

MOLECULAR GENETIC MAPPING OF THE PLUM POX VIRUS RESISTANCE GENES IN APRICOT - (Peer Reviewed Journal)

Acta Horticulture 657:283-288

THE GLASSY-WINGED SHARPSHOOTER IS CONFIRMED AS A VECTOR OF CVC - (Trade Journal)

Phillips, P.A., Damsteegt, V.D., Brlansky, R.H. 2004. The glassy-winged sharpshooter is confirmed as a vector of CVC. CAPCA Adviser Magazine. May/June 2004. pp 22-25.

DETECTION AND QUANTIFICATION OF PLUM POX POTYVIRUS IN APHID VECTORS BY REAL-TIME FLUORESCENT REVERSE TRANSCRIPTION-PCR - (Peer Reviewed Journal)

Acta Horticulture 657:135-140

PLUM POX IN NORTH AMERICA: IDENTIFICATION OF APHID VECTORS AND A ROLE FOR FRUIT IN VIRUS SPREAD - (Peer Reviewed Journal)

Gildow, F., Damsteegt, V.D., Stone, A.L., Schneider, W.L., Luster, D.G., Levy, L. 2004. Plum pox in north america: identification of aphid vectors and a role for fruit in virus spread. Phytopathology. 94:868-874.

SPECIFIC DETECTION AND QUANTIFICATION OF PLUM POX POTYVIRUS BY REAL-TIME FLUORESCENT REVERSE TRANSCRIPTION-PCR - (Peer Reviewed Journal)

Schneider, W.L., Sherman, D.J., Stone, A.L., Damsteegt, V.D., Frederick, R.D. 2004. Specific detection and quantification of plum pox potyvirus by real-time fluorescent reverse transcription-PCR. Journal of Virological Methods.120:97-105.

COMPARATIVE HOST RANGE OF U.S. ISOLATES OF PLUM POX VIRUS AMONG PRUNUS AND OTHER WOODY PLANT SPECIES FOLLOWING GRAFT INOCULATION OR APHID TRANSMISSION - (Abstract)

Damsteegt, V.D., Scorza, R., Gildow, F.E., Schneider, W.L., Stone, A.L., Luster, D.G. 2004. Comparative host range of U.S. isolates of plum pox virus among Prunus and other woody plant species following graft inoculation or aphid transmission. Phytopathology. 94:S24.

APHID TRANSMISSION OF STEM PITTING CITRUS TRISTEZA VIRUS FROM MIXED VIRUS INFECTIONS - (Abstract)

Brlansky, R.H., Roy, A., Damsteegt, V.D. 2004. Aphid transmission of stem pitting citrus tristeza virus from mixed virus infections. Phytopathology 94:S10.

DETECTION AND QUANTIFICATION OF PLUM POX POTYVIRUS DOUBLE-STRANDED RNA WITH REAL-TIME PCR - (Abstract)

Schneider, W.L., Stone, A.L., Sherman, D.J., Damsteegt, V.D. 2004. Detection and quantification of plum pox potyvirus double-stranded RNA with real-time PCR. Phytopathology. 94:S93.

GLASSY-WINGED SHARPSHOOTER TRANSMISSION OF XYLELLA FASTIDIOSA, CAUSAL AGENT OF CITRUS VARIEGATED CHLOROSIS - (Abstract)

Damsteegt, V.D., Brlansky, R.H., Phillips, P.A., Roy, A. 2003. Glassy-winged sharpshooter transmission of xylella fastidiosa, causal agent of citrus variegated chlorosis. Phytopathology 93:S19.

HOST ADAPTATION AND MEMORY IN PLUM POX POTYVIRUS POPULATIONS - (Abstract)

Schneider, W.L., Stone, A.L., Wallis, C., Sherman, D.J., Shank, K., Damsteegt, V.D., Gildow, F. 2003. Host adaptation and memory in plum pox potyvirus populations. Phytopathology 93:S100.

DEVELOPMENT OF ASSESSMENT MODELS FOR RATING HIGH-THREAT CROP PATHOGENS - (Abstract)

Schaad, N.W., Abrams, J., Madden, L.V., Frederick, R.D., Luster, D.G., Damsteegt, V.D., Vidaver, A.K. 2004. Development of assessment models for rating high-threat crop pathogens. American Society for Microbiology. 215:72.

MOLECULAR ANALYSES OF CITRUS TRISTEZA VIRUS SUBISOLATES SEPARATED BY APHID TRANSMISSION - (Peer Reviewed Journal)

Brlansky, R. H., Damsteegt, V. D., Howd, D. S., Roy, A. 2003. Molecular analyses of Citrus tristeza virus subisolates separated by aphid transmission. Plant Disease 87:397-401.

VECTOR TRANSMISSION OF THE CAUSAL AGENTS OF CITRUS VARIEGATED CHLOROSIS, HUANGLONGBING AND CITRUS TRISTEZA USING ENDEMIC AND NEWLY ESTABLISHED INSECT SPECIES - (Abstract)

Bralnsky, R.H., Damsteegt, V.D. Vector transmission of the causal agents of citrus variegated chlorosis, huanglongbing and citrus tristeza using endemic and newly established insect species. American Phytopathological Society Abstracts. Presented at Regional Meeting in August, 2003.

POTENTIAL PRUNUS HOST RANGE OF PPV-PENN ISOLATES BY APHID TRANSMISSION - (Proceedings/Symposium)

Damsteegt, V.D., Stone, A.L., Gildow, F.E., Schneider, W.L., Luster, D.G. 2004. Potential prunus host range of ppv-penn isolates by aphid transmission. Acta Horticulture Proceedings. p. 46.

THE EFFECT OF COLD-INDUCED DORMANCY ON PTGS IN PLUM CLONES CONTAINING THE PLUM POX COAT PROTEIN GENE - (Abstract)

Callahan, A.M., Scorza, R., Levy, L., Damsteegt, V.D., Ravelonandro, M. 2002. The effect of cold-induced dormancy on PTGS in plum clones containing the plum pox coat protein gene. International Biotechnology Congress, 10th International Association of Plant Tissue Culture & Biotechnology Congress Proceedings, P-1261, pp 99.

A COMBINED AGAR ABSORBENT AND BIO-PCR ASSAY FOR RAPID, SENSITIVE DETECTION OF XYLELLA FASTIDIOSA (XF) IN GRAPE AND CITRUS - (Abstract)

Fatmi, M., Damsteegt, V.D., Schaad, N.W. 2003. A combined agar absorbent and BIO-PCR assay for rapid, sensitive detection of Xylella fastidiosa (XF) in grape and citrus. Phytopathology. 93:S25.

HISTOLOGY OF SWEET ORANGE STEM PITTING CAUSED BY AN AUSTRALIAN ISOLATE OF CITRUS TRISTEZA VIRUS - (Peer Reviewed Journal)

Brlansky, R.H., Howd, D.S., Broadbent, P., Damsteegt, V.D. 2002. Histology of sweet orange stem pitting caused by an australian isolate of citrus tristeza virus. Plant Disease 86:1169-1174

SPECIFIC DETECTION AND QUANTIFICATION OF PLUM POX POTYVIRUS BY REAL-TIME FLUORESCENT RT-PCR - (Abstract) - (31-Mar-02)

APHID VECTOR COMPETENCE AND TRANSMISSION OF PENNSYLVANIA ISOLATES OF PLUM POX VIRUS FROM INFECTED PEACH FRUIT - (Abstract)

GILDOW, F.E., DAMSTEEGT, V.D., STONE, A.L., LUSTER, D.G. APHID VECTOR COMPETENCE AND TRANSMISSION OF PENNSYLVANIA ISOLATES OF PLUM POX VIRUS FROM INFECTED PEACH FRUIT. AMERICAN PHYTOPATHOLOGICAL SOCIETY ABSTRACTS. 2002.