Search Results - "Hartung, J. S."

Development and Optimization of a Real-Time Detection Assay for Xanthomonas fragariae in Strawberry Crown Tissue with Receiver Operating Characteristic Curve Analysis by Turechek, W.W, Hartung, J.S, McCallister, J

“…Angular leaf spot of strawberry is caused by the bacterium Xanthomonas fragariae. The disease is transmitted primarily through systemically infected nursery…”
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Primers based on the rpf gene region provide improved detection of Xanthomonas axonopodis pv. citri in naturally and artificially infected citrus plants by Coletta-Filho, H.D, Takita, M.A, Souza, A.A. de, Neto, J.R, Destéfano, S.A.L, Hartung, J.S, Machado, M.A

“…To have a PCR-based detection method for Xanthomonas axonopodis pv. citri (Xac) using primers designed in a specific region of its genome. A Xac-specific…”
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Rapid, specific and quantitative assays for the detection of the endophytic bacterium Methylobacterium mesophilicum in plants by Lacava, P.T., Li, W.B., Araújo, W.L., Azevedo, J.L., Hartung, J.S.

“…Xylella fastidiosa is a xylem-limited bacterium that causes citrus variegated chlorosis disease in sweet orange. There is evidence that X. fastidiosa interacts…”
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Occurrence of prophage and historical perspectives associated with the dissemination of huanglongbing in mainland China by Fu, S., Bai, Z., Su, H., Liu, J., Hartung, J. S., Zhou, C., Wang, X.

“…Huanglongbing (HLB), associated with a non‐culturable bacterium ‘Candidatus Liberibacter asiaticus’ (CLas), is a highly destructive citrus disease with a long…”
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Cloning and sequence analysis of an infectious clone of Citrus yellow mosaic virus that can infect sweet orange via Agrobacterium-mediated inoculation by Huang, Q, Hartung, J.S

“…Citrus yellow mosaic virus (CYMV), a member of the family Caulimoviridae, genus Badnavirus, causes citrus mosaic disease, a disease that occurs commonly in…”
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Presence of Xylella fastidiosa in sweet orange fruit and seeds and its transmission to seedlings by Li, W.B, Pria, W.D. Jr, Lacava, P.M, Qin, X, Hartung, J.S

“…Xylella fastidiosa, a xylem-limited bacterium, causes several economically important diseases in North, Central, and South America. These diseases are…”
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Detection of ‘Candidatus Liberibacter asiaticus’ in citrus by concurrent tissue print‐based qPCR and immunoassay by Fu, S. M., Liu, H. W., Liu, Q. H., Zhou, C. Y., Hartung, J. S.

“…‘Candidatus Liberibacter asiaticus’ (CLas) is associated with the most destructive disease of citrus, huanglongbing (HLB). The most widely used methods for…”
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Characterization of phenotypically distinct strains of Xanthomonas axonopodis pv; citri from Southwest Asia by Verniere, C. (Station de Recherche Agronomique INRA-CIRAD, San Giuliano, Corsica (France).), Hartung, J.S, Pruvost, O.P, Civerolo, E.L, Alvarez, A.M, Maestri, P, Luisetti, J

“…Strains of Xanthomonas axonopodis pv. citri were isolated from Mexican lime (Citrus aurantifolia) trees in several countries in southwest Asia. These strains…”
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Genetic relationships among strains of Xanthomonas fragariae based on random amplified polymorphic DNA PCR, repetitive extragenic palindromic PCR, and enterobacterial repetitive intergenic consensus PCR data and generation of multiplexed PCR primers useful for the identification of this phytopathogen by Pooler, M.R. (U.S. National Arboretum, Washington, DC.), Ritchie, D.F, Hartung, J.S

“…Genetic relationships among 25 isolates of Xanthomonas fragariae from diverse geographic regions were determined by three PCR methods that rely on different…”
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Detection of Xanthomonas campestris pv. citri by the polymerase chain reaction method by Hartung, J.S. (Plant Sciences Institute, ARS, USDA, Beltsville, MD), Daniel, J.F, Pruvost, O.P

“…pFL1 is a pUC9 derivative that contains a 572-bp EcoRI insert cloned from plasmid DNA of Xanthomonas campestris pv. citri XC62. The nucleotide sequence of pFL1…”
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Citrus variegated chlorosis bacterium: axenic culture, pathogenicity, and serological relationships with other strains of Xylella fastidiosa by Hartung, J.S. (USDA, ARS, Beltsville Agriculture Research Center-West, Beltsville, MD.), Beretta, J, Brlansky, R.H, Spisso, J, Lee, R.F

“…A xylem-limited bacterium serologically related to strains of Xylella fastidiosa has been associated previously with citrus variegated chlorosis a new and…”
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Specific PCR detection and identification of Xylella fastidiosa strains causing citrus variegated chlorosis by Pooler, M.R. (Fruit Laboratory, ARS, USDA, Beltsville, MD.), Hartung, J.S

“…By cloning and sequencing specific randomly amplified polymorphic DNA (RAPD) products, we have developed pairs of PCR primers that can be used to detect…”
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Detection of Xylella fastidiosa in potential insect vectors by immunomagnetic separation and nested polymerase chain reaction by Pooler, M.R., Myung, I.S., Bentz, J., Sherald, J., Hartung, J.S.

“…A sensitive and specific assay for detecting Xylella fastidiosa in potential insect vectors was developed. This assay involves immunomagnetic separation of the…”
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16S rDNA Sequence Analysis of Xylella fastidiosa Strains by Chen, J., Jarret, R.L., Qin, X., Hartung, J.S., Banks, D., Chang, C.J., Hopkins, D.L.

“…The 16S rDNA encoding the small subunit ribosomal RNA were amplified by PCR, cloned, and sequenced from 16 strains of Xylella fastidiosa originating from nine…”
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An evaluation of the genetic diversity of Xylella fastidiosa isolated from diseased citrus and coffee in Sao Paulo, Brazil by XIAOTING QIN, MIRANDA, Vicente S, MACHADO, Marcos A, LEMOS, Eliana G. M, HARTUNG, John S

“…ABSTRACT Strains of Xylella fastidiosa, isolated from sweet orange trees (Citrus sinensis) and coffee trees (Coffea arabica) with symptoms of citrus variegated…”
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Inheritance of Resistance in Strawberry to Bacterial Angular Leafspot Disease Caused by Xanthomonas fragariae by Lewers, K.S, Maas, J.L, Hokanson, S.C, Gouin, C, Hartung, J.S

“…Bacterial angular leafspot disease ( Xanthomonas fragariae Kennedy and King) of strawberry ( Fragaria species and F. ×ananassa Duch. cultivars) has become…”
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Strains of Xylella fastidiosa rapidly distinguished by arbitrarily primed-PCR by DA COSTA, P. I, FRANCO, C. F, MIRANDA, V. S, TEIXEIRA, D. C, HARTUNG, J. S

“…Genomic DNAs isolated from strains of Xylella fastidiosa that caused citrus variegated chlorosis, coffee leaf scorch, Pierce's Disease of grapevine, and plum…”
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Genetic relationships among strains of Xylella fastidiosa from RAPD-PCR data by Pooler, M.R. (Fruit Laboratory, ARS, USDA, Beltsville Agricultural Research Center, Beltsville, MD.), Hartung, J.S

“…Genetic relationships among 11 Xylella fastidiosa strains isolated from mulberry, almond, ragweed, grape, plum, elm, and citrus were determined by random…”
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Identification of sources of resistance to bacterial angular leafspot disease of strawberry by HARTUNG, J. S, GOUIN, C. C, LEWERS, K. S, MAAS, J. L, HOKANSON, S

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Isolation and modulation of growth of a colonization-impaired strain of Enterobacter cloacae in cucumber spermosphere by Roberts, D P, Marty, A M, Dery, P D, Hartung, J S

“…Enterobacter cloacae A-46 was isolated for use in an environmental containment strategy for genetically modified derivative strains with enhanced biocontrol…”
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