Search Results - "Williamson, V.M."

Inter- and intra-specific cuticle variation between amphimictic and parthenogenetic species of root-knot nematode ( Meloidogyne spp.) as revealed by a bacterial parasite ( Pasteuria penetrans) by Davies, K.G., Rowe, J.A., Williamson, V.M.

“…Specific host–parasite interactions exist between species and strains of plant parasitic root-knot nematodes and the Gram-positive bacterial hyperparasite…”
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PCR-Based Methods for Tagging the Mi-1 Locus for Resistance to Root-Knot Nematode in Begomovirus-Resistant Tomato Germplasm by El Mehrach, K, Hatimi, A, Gharsallah Chouchane, S, Salus, M.S, Martin, C.T, Maxwell, D.P, Mejía, L, Williamson, V.M, Vidavski, F

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Identification of genes whose transcripts accumulate rapidly in tomato after root-knot nematode infection by LAMBERT, K.N, FERRIE, B.J, NOMBELA, G, BRENNER, E.D, WILLIAMSON, V.M

“…Root-knot nematodes (Meloidogyne spp.) penetrate tomato (Lycopersicon esculentum) and other hosts near root tips and migrate intercellularly to the developing…”
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Silencing a Candidate Nematode Effector Gene Corresponding to the Tomato Resistance Gene Mi-1 Leads to Acquisition of Virulence by Gleason, C.A, Liu, Q.L, Williamson, V.M

“…The Mi-1 gene in tomato confers effective resistance against several species of root-knot nematode, including Meloidogyne javanica. A strain of M. javanica…”
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Nematode resistance in plants: the battle underground by Williamson, Valerie M., Kumar, Amar

“…Parasitic nematodes infect thousands of plant species, but some plants harbor specific resistance genes that defend against these pests. Several nematode…”
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The root knot nematode resistance gene Mi from tomato is a member of the leucine zipper, nucleotide binding, leucine-rich repeat family of plant genes by Milligan, S.B. (University of California, Davis, CA.), Bodeau, J, Yaghoobi, J, Kaloshian, I, Zabel, P, Williamson, V.M

“…The Mi locus of tomato confers resistance to root knot nematodes. Tomato DNA spanning the locus was isolated as bacterial artificial chromosome clones, and 52…”
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Nematode pathogenesis and resistance in plants by Williamson, Valerie Moroz, Hussey, Richard S.

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The nematode resistance gene Mi of tomato confers resistance against the potato aphid by Rossi, M. (University of California, Davis, CA.), Goggin, F.L, Milligan, S.B, Kaloshian, I, Ullman, D.E, Williamson, V.M

“…Resistance against the aphid Macrosiphum euphorbiae previously was observed in tomato and attributed to a novel gene, designated Meu-1, tightly linked to the…”
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Salicylic acid is part of the Mi-1-mediated defense response to root-knot nematode in tomato by Branch, C, Hwang, C.F, Navarre, D.A, Williamson, V.M

“…The Mi-1 gene of tomato confers resistance against three species of root-knot nematode in tomato (Lycopersicon esculentum). Transformation of tomato carrying…”
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Meiotic parthenogenesis in a root-knot nematode results in rapid genomic homozygosity by Liu, Q.L, Thomas, V.P, Williamson, V.M

“…Many isolates of the plant-parasitic nematode Meloidogyne hapla reproduce by facultative meiotic parthenogenesis. Sexual crosses can occur, but, in the absence…”
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EDS1 in tomato is required for resistance mediated by TIR-class R genes and the receptor-like R gene Ve by Hu, G, DeHart, A.K.A, Li, Y, Ustach, C, Handley, V, Navarre, R, Hwang, C.F, Aegerter, B.J, Williamson, V.M, Baker, B

“…In tobacco and other Solanaceae species, the tobacco N gene confers resistance to tobacco mosaic virus (TMV), and leads to induction of standard defense and…”
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Root-knot nematode resistance genes in tomato and their potential for future use by Williamson, V.M. (University of California, Davis, CA.)

“…The gene Mi, which confers resistance to several species of root-knot nematode, is present in many modern tomato cultivars. Recent cloning of this gene…”
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Discrimination of six Pratylenchus species using PCR and species-specific primers by Al-Banna, L, Ploeg, A.T, Williamson, V.M, Kaloshian, I

“…A PCR-based assay for identification of six species of Pratylenchus common in California is described. In this assay, five forward species-specific primers…”
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nematode-resistance gene, Mi-1, is associated with an inverted chromosomal segment in susceptible compared to resistant tomato by Seah, S, Yaghoobi, J, Rossi, M, Gleason, C.A, Williamson, V.M

“…The gene Mi-1 confers effective resistance in tomato (Lycopersicon esculentum) against root-knot nematodes and some isolates of potato aphid. This locus was…”
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Host-specific pathogenicity and genome differences between inbred strains of Meloidogyne hapla by Liu, Q.L, Williamson, V.M

“…Five isolates of M. hapla originating from the Netherlands and California were inbred by sequential transfer of single egg masses to produce six strains…”
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Fine mapping of the nematode resistance gene Mi-3 in Solanum peruvianum and construction of a S. lycopersicum DNA contig spanning the locus by Yaghoobi, J, Yates, J.L, Williamson, V.M

“…Currently, the only genetic resistance against root-knot nematodes in the cultivated tomato Solanum lycopersicum (Lycopersicon esculentum) is due to the gene…”
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Developmental regulation of Mi-mediated aphid resistance is independent of Mi-1.2 transcript levels by Goggin, F.L, Shah, G, Williamson, V.M, Ullman, D.E

“…Mi-1.2, a member of the intracellular, nucleotide-binding site-leucine-rich repeat family of resistance genes, confers resistance in tomato (Lycopersicon…”
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Rme1 is necessary for Mi-1-mediated resistance and acts early in the resistance pathway by Martinez de Ilarduya, O, Nombela, G, Hwang, C.F, Williamson, V.M, Muniz, M, Kaloshian, I

“…The tomato gene Mi-1 confers resistance to root-knot nematodes (Meloidogyne spp.), potato aphid, and whitefly. Using genetic screens, we have isolated a…”
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Sequence of a symbiont by Williamson, Valerie M, Kaya, Harry K

“…The complete genome sequence of the insect pathogen and nematode symbiont Photorhabdus luminescens identifies a trove of antibiotic and toxin genes…”
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Mapping a new nematode resistance locus in Lycopersicon peruvianum by YAGHOOBI, J, KALOSHIAN, I, WEN, Y, WILLIAMSON, V. M

“…Accessions of the wild tomato species Lycopersicon peruvianum were screened with a root-knot nematode population (557R) which infects tomato plants carrying…”
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