Page Banner

United States Department of Agriculture

Agricultural Research Service

Research Project: Genome Sequence-Based Strategies for Detection & Identification of Plant Pathogenic Phytoplasmas & Spiroplasmas, & Vascular Walled Bacteria

Location: Molecular Plant Pathology

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)

‘Candidatus Phytoplasma hispanicum’, a novel taxon associated with Mexican periwinkle virescence disease of Catharanthus roseus - (Peer Reviewed Journal)
(02-Jun-16)
Criteria for phytoplasma 16Sr group/subgroup delineation and the need of a platform for proper registration of new groups and subgroups - (Peer Reviewed Journal)
Zhao, Y., Davis, R.E. 2016. Criteria for phytoplasma 16Sr group/subgroup delineation and the need of a platform for proper registration of new groups and subgroups. International Journal of Systematic and Evolutionary Microbiology. 66:2121-2123.
First Report of a New ‘Candidatus Phytoplasma pini’-related strain Associated with Witches’-broom of Virginia pine in Maryland - (Peer Reviewed Journal)
Costanzo, S., Rascoe, J., Nakhla, K., Zhao, Y., Davis, R.E. 2016. First Report of a New ‘Candidatus Phytoplasma pini’-related strain Associated with Witches’-broom of Virginia pine in Maryland. Plant Disease. http://dx.doi.org/10.1094/PDIS-01-16-0097-PDN.
Cauliflower is a new host of a subgroup 16SrVII-B phytoplasma associated with stunting disease - (Peer Reviewed Journal)
(05-Dec-15)
Multilocus genotyping of a ‘Candidatus Phytoplasma aurantifolia’-related strain associated with cauliflower phyllody disease in China - (Peer Reviewed Journal)
Cai, H., Wang, L., Mu, W., Wan, Q., Wei, W., Davis, R.E., Chen, H., Zhao, Y. 2016. Multilocus genotyping of a ‘Candidatus Phytoplasma aurantifolia’-related strain associated with cauliflower phyllody disease in China. Annals of Applied Biology. 169:64-74.
Recent advances in phytoplasma research: from genetic diversity and genome evolution to pathogenic redirection of plant stem cell fate - (Abstract Only)
Zhao, Y., Wei, W., Davis, R.E. 2015. Recent advances in phytoplasma research: from genetic diversity and genome evolution to pathogenic redirection of plant stem cell fate. Meeting Abstract. First International Symposium on Molecular Diagnostics … Production. Trujillo, Peru, 11/26-28/ 2015.
Complete genome sequence of Spiroplasma turonicum, a parasite of horse fly, Haematopota sp. (Diptera: Tabanidae) - (Peer Reviewed Journal)
Davis, R.E., Shao, J.Y., Zhao, Y., Gasparich, G., Gaynor, B., Donofrio, N. 2015. Complete genome sequence of Spiroplasma turonicum, a parasite of horse fly, Haematopota sp. (Diptera: Tabanidae). Genome Announcements. 3(6):e01367-15.
Complete genome sequence of Spiroplasma kunkelii strain CR2-3x, causal agent of corn stunt disease in Zea mays L. - (Peer Reviewed Journal)
Davis, R.E., Shao, J.Y., Dally, E.L., Zhao, Y., Gasparich, G.E., Gaynor, B.J., Athey, J.C., Harrison, N.A., Donofrio, N. 2015. Complete genome sequence of Spiroplasma kunkelii strain CR2-3x, causal agent of corn stunt disease in Zea mays L. Genome Announcements. 3(5):e01216-15.
Draft genome sequence of ‘Candidatus Phytoplasma pruni’ strain CX, a plant pathogenic bacterium - (Peer Reviewed Journal)
Lee, I., Shao, J.Y., Bottner-Parker, K.D., Gundersen, D.E., Zhao, Y., Davis, R.E. 2015. Draft genome sequence of ‘Candidatus Phytoplasma pruni’ strain CX, a plant pathogenic bacterium. Genome Announcements. 3(5):e01117-15.
Pathological modifications of plant stem cell destiny - (Abstract Only)
Wei, W., Davis, R.E., Zhao, Y. 2015. Pathological modifications of plant stem cell destiny. Meeting Abstract. 2015 Mid-Atlantic Plant Molecular Biology Society Meeting.
First report of ‘Candidatus Phytoplasma asteris’ subgroup 16SrI-A associated with a disease of potato (Solanum tuberosum) in Lithuania - (Peer Reviewed Journal)
Ivanauskas, A., Urbonaite, I., Jomantiene, R., Valiunas, D., Davis, R.E. 2016. First report of ‘Candidatus Phytoplasma asteris’ subgroup 16SrI-A associated with a disease of potato (Solanum tuberosum) in Lithuania. Plant Disease. 100:207.
Lilac (Syringa sp.) hosts a new ‘Ca. Phytoplasma pruni’-related strain in Utah: ribosomal RNA and secY genes distinguish the phytoplasma from previously described lineages - (Peer Reviewed Journal)
Davis, R.E., Dally, E.L., Zhao, Y., Thomson, S.V., Nischwitz, C. 2016. Lilac (Syringa sp.) hosts a new ‘Ca. Phytoplasma pruni’-related strain in Utah: ribosomal RNA and secY genes distinguish the phytoplasma from previously described lineages. Plant Disease. vol. 100: page 207.
Molecular identification of Phytoplasmas infecting diseased pine trees in the UNESCO-protected Curonian Spit of Lithuania - (Peer Reviewed Journal)
Valiunas, D., Jomantiene, R., Ivanauskas, A., Urbonaite, I., Sneideris, D., Davis, R.E. 2015. Molecular identification of Phytoplasmas infecting diseased pine trees in the UNESCO-protected Curonian Spit of Lithuania. Forests. 6:2469:2483.
Development of biomarkers and a diagnostic tool for investigation of coinfections by and interactions between potato purple top and potato witches’-broom phytoplasmas in tomato - (Peer Reviewed Journal)
Wei, W., Wu, W., Davis, R.E., Lee, I., Zhao, Y. 2016. Development of biomarkers and a diagnostic tool for investigation of coinfections by and interactions between potato purple top and potato witches’-broom phytoplasmas in tomato. Annals of Applied Biology. 168:133-141.
Ming aralia (Polyscias fruticosa), a new host of phytoplasma subgroup 16SrVII-B 'Candidatus Phytoplasma fraxini'- related strains, in Brazil - (Peer Reviewed Journal)
Pereira, T.B., Banzato, T.C., Bedendo, I.P., Dally, E.L., Davis, R.E. 2016. Ming aralia (Polyscias fruticosa), a new host of phytoplasma subgroup 16SrVII-B 'Candidatus Phytoplasma fraxini'- related strains, in Brazil. Plant Disease. 100:645.
Occurrence, distribution, and possible functional roles of simple sequence repeats in phytoplasma genomes     Reprint Icon - (Peer Reviewed Journal)
Wei, W., Davis, R.E., Suo, X., Zhao, Y. 2015. Occurrence, distribution, and possible functional roles of simple sequence repeats in phytoplasma genomes. International Journal of Systematic and Evolutionary Microbiology. 65:2748-2760.
16SrXII group phytoplasma strains, including 16SrXII-E (‘Candidatus Phytoplasma fragariae’) and a new 16SrXII subgroup, 16SrXII-H, are associated with diseased potatoes … in the Yunan and Inner Mongolia regions of China - (Peer Reviewed Journal)
Cheng, M., Dong, J., Lee, I., Bottner-Parker, K.D., Zhao, Y., Davis, R.E., Laski, P.J., Zhang, Z., Mcbeath, J.H. 2015. 16SrXII group phytoplasma strains, including 16SrXII-E (‘Candidatus Phytoplasma fragariae’) and a new 16SrXII subgroup, 16SrXII-H, are associated with diseased potatoes … in the Yunan and Inner Mongolia regions of China. European Journal of Plant Pathology. 142:305-318.
Unraveling the etiology of North American grapevine yellows (NAGY): multilocus genotyping and structural analysis of secY proteins distinguish NAGYIII phytoplasma strains from strains causing X-disease - (Peer Reviewed Journal)
Davis, R.E., Dally, E.L., Zhao, Y., Lee, I., Wei, W., Wolf, T.K., Beanland, L., Ledoux, D.G., Johnson, D.A., Fiola, J.A., Walter-Peterson, H., Dami, I., Chien, M. 2015. Unraveling the etiology of North American grapevine yellows (NAGY): multilocus genotyping and structural analysis of secY proteins distinguish NAGYIII phytoplasma strains from strains causing X-disease. Phytopathology. 99:1087-1097.
The lilac cultivar Syringa ‘Charisma’ is a new host for ‘Candidatus Phytoplasma pruni’, the group 16SrIII, subgroup A, phytoplasma - (Peer Reviewed Journal)
Green, M.J., Dally, E.L., Davis, R.E. 2015. The lilac cultivar Syringa ‘Charisma’ is a new host for ‘Candidatus Phytoplasma pruni’, the group 16SrIII, subgroup A, phytoplasma. Plant Disease. 99:886.
Should ‘Candidatus Phytoplasma’ be retained within the order Acholeplasmatales? - (Peer Reviewed Journal)
Zhao, Y., Davis, R.E., Wei, W., Lee, I. 2015. Should ‘Candidatus Phytoplasma’ be retained within the order Acholeplasmatales?. International Journal of Systematic and Evolutionary Microbiology. 65:1075-1082.
3-Dimensional modeling of protein structures distinguishes closely related phytoplasmas - (Abstract Only)
Davis, R.E., Zhao, Y., Lee, I., Wei, W. 2015. 3-Dimensional modeling of protein structures distinguishes closely related phytoplasmas. Phytopathology. 105:S12.
‘Candidatus Phytoplasma palmicola’, a novel taxon associated with a lethal yellowing-type disease (LYD) of coconut (Cocos nucifera L.) in Mozambique - (Peer Reviewed Journal)
Harrison, N., Davis, R.E., Oropeza, C., Eden-Green, S., Dollet, M., Dickinson, M., Konan, J.L. 2014. ‘Candidatus Phytoplasma palmicola’, a novel taxon associated with a lethal yellowing-type disease (LYD) of coconut (Cocos nucifera L.) in Mozambique. International Journal of Systematic and Evolutionary Microbiology. 64:1890-1899.
Possible insect vectors of phytoplasmas affiliated with subgroups 16SrI-B, 16SrI-C, 16SrIII-B and 16SrIII-P in Lithuania - (Peer Reviewed Journal)
Ivanauskas, A., Valiunas, D., Jomantiene, R., Picciau, L., Davis, R.E. 2014. Possible insect vectors of phytoplasmas affiliated with subgroups 16SrI-B, 16SrI-C, 16SrIII-B and 16SrIII-P in Lithuania. Zemdirbyste-Agriculture. 101:313-320.
New subgroup 16SrIII-V phytoplasmas associated with false-blossom diseased cranberry (Vaccinium macrocarpon) plants and with known and potential insect vectors in New Jersey     Reprint Icon - (Peer Reviewed Journal)
Lee, I., Polashock, J.J., Bottner-Parker, K.D., Bagadia, P.G., Rodriguez-Saona, C., Zhao, Y., Davis, R.E. 2014. New subgroup 16SrIII-V phytoplasmas associated with false-blossom diseased cranberry (Vaccinium macrocarpon) plants and with known and potential insect vectors in New Jersey. European Journal of Plant Pathology. 139:393-400.
Aster yellows group (16SrI), subgroups 16SrI-A and 16SrI-B, phytoplasmas associated with lettuce yellows in Texas - (Peer Reviewed Journal)
Lee, I., Bottner-Parker, K.D., Zhao, Y., Davis, R.E., Black, M.C. 2014. Aster yellows group (16SrI), subgroups 16SrI-A and 16SrI-B, phytoplasmas associated with lettuce yellows in Texas. New Disease Reports. 29:5.
Phytoplasma-host interactions: tomato gibberellin homeostasis and its role in defense against potato purple top phytoplasma infection - (Review Article)
Ding, Y., Wei, W., Wu, W., Davis, R.E., Jiang, Y., Lee, I., Hammond, R., Sheng, J., Shen, L., Zhao, Y. 2013. Phytoplasma-host interactions: tomato gibberellin homeostasis and its role in defense against potato purple top phytoplasma infection. World Biomedical Frontiers. http://biomedfrontiers.org/infection-2013-11-39.
Phytoplasmal infection derails genetically preprogrammed meristem fate and alters plant architecture - (Peer Reviewed Journal)
Wei, W., Davis, R.E., Nuss, D.F., Zhao, Y. 2013. Phytoplasmal infection derails genetically preprogrammed meristem fate and alters plant architecture. Proceedings of the National Academy of Sciences. 110:19149-19154.
Family acholeplasmataceae (including phytoplasmas) - (Book / Chapter)
Martini, M., Marcone, C., Lee, I.-M., Firrao, G. 2014. The family Acholeplasmataceae (including phytoplasmas). In: E. Rosenberg, E. F. DeLong, S. Lory, E. Stackebrandt, F. Thompson, editors. The prokaryotes. Berlin: Springer-Verlag. p. 469-504.
Functional analysis of a lipolytic protein, a potential phytoplasma pathogenicity factor - (Peer Reviewed Journal)
(07-Sep-13)
First report of sweet cherry virescence disease in China and its association with infection by a ‘Candidatus Phytoplasma ziziphi’-related strain - (Peer Reviewed Journal)
Wang, J., Zhu, D., Liu, Q., Davis, R.E., Zhao, Y. 2014. First report of sweet cherry virescence disease in China and its association with infection by a ‘Candidatus Phytoplasma ziziphi’-related strain. Plant Disease. 98:419.
Phytoplasma genomes: Evolution through mutually complimentary mechanisms, gene loss and horizontal acquisition - (Book / Chapter)
(16-Aug-13)
Evaluation of the DNA-dependent RNA polymerase ß-subunit gene (rpoB) for phytoplasma classification and phylogeny - (Peer Reviewed Journal)
Valiunas, D., Jomantiene, R., Davis, R.E. 2014. Evaluation of the DNA-dependent RNA polymerase ß-subunit gene (rpoB) for phytoplasma classification and phylogeny. International Journal of Systematic and Evolutionary Microbiology. 63:3904-3914.
Procedure for collecting and packaging grapevine samples - (Other)
(21-Jun-13)
'Candidatus phytoplasma solani’, a novel taxon associated with stolbur and bois noir related diseases of plants - (Peer Reviewed Journal)
Quaglino, F., Zhao, Y., Casati, P., Bulgari, D., Bianco, P., Wei, W., Davis, R.E. 2013. 'Candidatus phytoplasma solani’, a novel taxon associated with stolbur and bois noir related diseases of plants. International Journal of Systematic and Evolutionary Microbiology. 63:2879-2894.
Phytoplasma infection in prized linden cultivar Tilia platyphyllos “Laciniata”: Is “Laciniata” a valid cultivar? - (Peer Reviewed Journal)
Jomantiene, R., Staniulis, J., Davis, R.E. 2013. Phytoplasma infection in prized linden cultivar Tilia platyphyllos “Laciniata”: Is “Laciniata” a valid cultivar? . Journal of Plant Pathology. 95:391-393.
Role of gibberellic acid in tomato defense response to potato purple top phytoplasma infection - (Peer Reviewed Journal)
Ding, Y., Wei, W., Wu, W., Davis, R.E., Jiang, Y., Lee, I., Hammond, R., Sheng, J., Shen, L., Zhao, Y. 2013. Role of gibberellic acid in tomato defense response to potato purple top phytoplasma infection. Annals of Applied Biology. 162(2)191-199.
Characterization and molecular differentiation of 16SrI-E and 16SrIX-E phytoplasmas associated with blueberry stunt disease in New Jersey     Reprint Icon - (Peer Reviewed Journal)
Bagadia, P.G., Polashock, J.J., Bottner-Parker, K.D., Zhao, Y., Davis, R.E., Lee, I. 2013. Characterization and molecular differentiation of 16SrI-E and 16SrIX-E phytoplasmas associated with blueberry stunt disease in New Jersey. Molecular and Cellular Probes. 27:90-97.
Potato purple top phytoplasma-induced disruption of gibberellin homeostasis in tomato plants - (Peer Reviewed Journal)
Ding, Y., Wu, W., Wei, W., Davis, R.E., Lee, I., Hammond, R., Sheng, J., Shen, L., Jiang, Y., Zhao, Y. 2013. Potato purple top phytoplasma-induced disruption of gibberellin homeostasis in tomato plants. Annals of Applied Biology. 162:131-139.
Last Modified: 8/25/2016
Footer Content Back to Top of Page