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First Report of the Pale Cyst Nematode, Globodera pallida, in the United States.
- S. Hafez, P. Sundararaj, Z. Handoo, A. Skantar, L. Carta, D. Chitwood
- BiologyPlant disease
- 28 February 2007
The morphology of cysts and second-stage juveniles and molecular analyses established the identity of the species as the pale cyst nematode Globodera pallida, a new country record for G. pallida in the United States.
Morphological and Molecular Identification of Globodera pallida Associated with Potato in Idaho.
The identity of a newly discovered population of pale potato cyst nematode Globodera pallida associated with potato in eastern Idaho was established by morphological and molecular methods.…
Morphological, Molecular, and Differential-Host Characterization of Meloidogyne floridensis n. sp. (Nematoda: Meloidogynidae), a Root-Knot Nematode Parasitizing Peach in Florida.
A root-knot nematode, Meloidogyne floridensis n. sp., is described and illustrated from peach originally collected from Gainesville, Florida. This new species resembles M. incognita, M. christiei, M.…
Developing a Real-Time PCR Assay for Detection and Quantification of Pratylenchus neglectus in Soil.
A real-time quantitative polymerase chain reaction (qPCR) assay was developed to detect and quantify P. neglectus from DNA extracts of soil and potentially provides a useful platform for efficient detection and quantification of P. neglectedus directly from field soils.
Description of Globodera ellingtonae n. sp. (Nematoda: Heteroderidae) from Oregon.
A new species of cyst nematode, Globodera ellingtonae, is described from soil collected from a field in Oregon and differs from the related species G. mexicana by its distinctive J2 tail, and by one or another of the following.
Root-Knot Nematodes in Golf Course Greens of the Western United States.
Polymerase chain reaction restriction fragment length polymorphism of the intergenic region between the cytochrome oxidase and 16S rRNA genes in the mitochondrial genome with restriction enzyme SspI was able to distinguish populations of M. graminis from M. marylandi, providing a fast and inexpensive method for future diagnosis of these nematodes from turf.
Transcriptome Analysis of Resistant and Susceptible Alfalfa Cultivars Infected With Root-Knot Nematode Meloidogyne incognita
- O. Postnikova, Maria N. Hult, J. Shao, A. Skantar, L. Nemchinov
- Biology, MedicinePloS one
- 24 February 2015
Although the susceptible cultivar showed a more pronounced defense response to the infection, feeding sites were successfully established in its roots, and basal gene expression levels under normal conditions differed between the two cultivars, which may confer advantage to one of the genotypes toward resistance to nematodes.
Effects of Geldanamycin on Hatching and Juvenile Motility in Caenorhabditis elegans and Heterodera glycines
- A. Skantar, K. Agama, S. Meyer, L. Carta, B. Vinyard
- BiologyJournal of Chemical Ecology
- 28 September 2005
It is indicated that geldanamycin-producing strains of Streptomyces may be useful as biocontrol agents for nematodes and suggest that the heat shock chaperone Hsp90, the known molecular target of geldAnamycin, may be involved in nematode egg hatch and motility.
Molecular characterization and phylogenetic evaluation of the hsp90 gene from selected nematodes.
The phylogenetic potential of the nuclear Hsp90 chaperone gene is examined to help strengthen branch support or clarify tree topologies when other molecules show ambiguous alignments, greater branch-length heterogeneity, or codon bias in certain taxonomic groups.
Multiplex Real-Time PCR Assays for the Identification of the Potato Cyst and Tobacco Cyst Nematodes.
This rapid, sensitive, and specific quantitative PCR assay presents a useful tool for PCN regulatory response and management programs.