Search Results - "Willis, D.K."

Detection and Variability of Aster Yellows Phytoplasma Titer in Its Insect Vector, Macrosteles quadrilineatus (Hemiptera: Cicadellidae) by Frost, K. E., Willis, D. K., Groves, R. L.

“…The aster yellows phytoplasma (AYp) is transmitted by the aster leafhopper, Macrosteles quadrilineatus Forbes, in a persistent and propagative manner. To study…”
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Precise efficiency calibration of an HPGe detector: source measurements and Monte Carlo calculations with sub-percent precision by Hardy, J.C., Iacob, V.E., Sanchez-Vega, M., Effinger, R.T., Lipnik, P., Mayes, V.E., Willis, D.K., Helmer, R.G.

“…With the goal of measuring precise gamma-ray intensities for short-lived (<5 s) accelerator-produced activities, we have calibrated the efficiency of an HPGe…”
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Role of the Hrp type III protein secretion system in growth of Pseudomonas syringae pv. syringae B728a on host plants in the field by Hirano, S.S, Charkowski, A.O, Collmer, A, Willis, D.K, Upper, C.D

“…hrp genes are reportedly required for pathogenicity in Pseudomonas syringae pv. syringae (Pss) and other phytopathogenic bacterial species. A subset of these…”
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Soluble Form of the Tomato spotted wilt virus (TSWV) Glycoprotein GN (GN-S) Inhibits Transmission of TSWV by Frankliniella occidentalis by Whitfield, A.E, Kumar, N.K.K, Rotenberg, D, Ullman, D.E, Wyman, E.A, Zietlow, C, Willis, D.K, German, T.L

“…Tomato spotted wilt virus (TSWV) is an economically important virus that is transmitted in a persistent propagative manner by its thrips vector, Frankliniella…”
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Genetic evidence that the gacA gene encodes the cognate response regulator for the lemA sensor in Pseudomonas syringae by Rich, J J, Kinscherf, T G, Kitten, T, Willis, D K

“…Mutational analysis of the bean-pathogenic Pseudomonas syringae pv. syringae strain B728a has led to the genetic identification of the gacA gene as encoding…”
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The lemA gene required for pathogenicity of Pseudomonas syringae pv. syringae on bean is a member of a family of two-component regulators by Hrabak, E.M. (University of Wisconsin, Madison, WI), Willis, D.K

“…The lemA gene of the plant pathogen Pseudomonas syringae pv. syringae is required for disease lesion formation on bean plants. Cosmid clones that complemented…”
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Biological and molecular evidence that Pseudomonas syringae pathovars coronafaciens, striafaciens and garcae are likely the same pathovar by Barta, T.M, Willis, D.K

“…Using a combination of physiological tests, molecular analysis and assays, we investigated the taxonomic relationship among the oat pathogens Pseudomonas…”
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hrp Genes of phytopathogenic bacteria by Willis, D.K. (USDA, ARS, Plant Disease Resistance Research Unit, University of Wisconsin, Madison, WI), Rich, J.J, Hrabak, E.M

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Suppression of a sensor kinase-dependent phenotype in Pseudomonas syringae by ribosomal proteins L35 and L20 by Kitten, T. (University of Wisconsin, Madison, WI.), Willis, D.K

“…The lemA gene of Pseudomonas syringae pv. syringae encodes the sensor kinase of a bacterial two-component signal transduction system. Phenotypes that are lemA…”
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Multiple loci of Pseudomonas syringae pv. syringae are involved in pathogenicity on bean: restoration of one lesion-deficient mutant requires two tRNA genes by Rich, J.J. (University of Wisconsin-Madison, Madison, WI.), Willis, D.K

“…A mutational analysis of lesion-forming ability was undertaken in Pseudomonas syringae pv. syringae B728a, causal agent of bacterial brown spot disease of…”
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Regulation of tabtoxin production by the lemA gene in Pseudomonas syringae by Barta, T.M. (University of Minnesota, Navane, MN), Kinscherf, T.G, Willis, D.K

“…Pseudomonas syringae pv. coronafaciens, a pathogen of oats, was mutagenized with Tn5 to generate mutants defective in tabtoxin production. From a screen of…”
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Cloning and expression of the tabtoxin biosynthetic region from Pseudomonas syringae by Kinscherf, T.G. (University of Wisconsin, Madison, WI), Coleman, R.H, Barta, T.M, Willis, D.K

“…Pseudomonas syringae BR2, a causal agent of bean wildfire, was subjected to Tn5 mutagenesis in an effort to isolate mutants unable to produce the beta-lactam…”
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Pathovar-specific requirement for the Pseudomonas syringae lemA gene in disease lesion formation by Rich, J.J. (ARS, USDA, Madison, WI), Hirano, S.S, Willis, D.K

“…The lemA gene is conserved among strains and pathovars of Pseudomonas syringae. In P. syringae pv. syringae B728a, a causal agent of bacterial brown spot…”
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Identification and cloning of genes involved in phaseolotoxin production by Pseudomonas syringae pv. "phaseolicola" by Peet, R.C, Lindgren, P.B, Willis, D.K, Panopoulos, N.J

“…Article Usage Stats Services JB Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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Involvement of the lemA gene in production of syringomycin and protease by Pseudomonas syringae pv. syringae by Hrabak, E.M. (University of Wisconsin, Madison, WI), Willis, D.K

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Infection of Arabidopsis thaliana ecotype Columbia by tomato spotted wilt virus by German, T.L. (University of Wisconsin, Madison, WI.), Adkins, S, Witherell, A, Richmond, K.E, Knaack, W.R, Willis, D.K

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DNA sequence and transcriptional analysis of the tblA gene required for tabtoxin biosynthesis by Pseudomonas syringae by BARTA, T. M, KINSCHERF, T. G, UCHYTIL, T. F, WILLIS, D. K

“…The tblA gene of Pseudomonas syringae is required for tabtoxin biosynthesis and is under the control of a regulatory gene, lemA. We have determined the…”
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Genetic regulation in plant pathogenic pseudomonads by Willis, D K, Rich, J J, Kinscherf, T G, Kitten, T

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Genetics of toxin production and resistance in phytopathogenic bacteria by Willis, D. K., Barta, T. M., Kinscherf, T. G.

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Genes of the RecE and RecF pathways of conjugational recombination in Escherichia coli by Clark, A J, Sandler, S J, Willis, D K, Chu, C C, Blanar, M A, Lovett, S T

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