Добірка наукової літератури з теми "Nematode quantification"
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Статті в журналах з теми "Nematode quantification"
Sayler, Ronald J., Courtney Walker, Fiona Goggin, Paula Agudelo, and Terrence Kirkpatrick. "Conventional PCR Detection and Real-Time PCR Quantification of Reniform Nematodes." Plant Disease 96, no. 12 (December 2012): 1757–62. http://dx.doi.org/10.1094/pdis-12-11-1033-re.
Повний текст джерелаMin, Yu Yu, Koki Toyota, and Erika Sato. "A novel nematode diagnostic method using the direct quantification of major plant-parasitic nematodes in soil by real-time PCR." Nematology 14, no. 3 (2012): 265–76. http://dx.doi.org/10.1163/156854111x601678.
Повний текст джерелаKatsuta, Akane, Koki Toyota, Yu Yu Min, and The Thiri Maung. "Development of real-time PCR primers for the quantification of Meloidogyne graminicola, Hirschmanniella oryzae and Heterodera cajani, pests of the major crops in Myanmar." Nematology 18, no. 3 (2016): 257–63. http://dx.doi.org/10.1163/15685411-00002957.
Повний текст джерелаHuang, Danqiong, Guiping Yan, Neil Gudmestad, and Andrea Skantar. "Quantification of Paratrichodorus allius in DNA extracted from soil using TaqMan Probe and SYBR Green real-time PCR assays." Nematology 19, no. 8 (2017): 987–1001. http://dx.doi.org/10.1163/15685411-00003101.
Повний текст джерелаFrankenberg, Andrea, Andreas Paffrath, Johannes Hallmann, and Harald Schmidt. "Occurrence and importance of plant-parasitic nematodes in organic farming in Germany." Nematology 9, no. 6 (2007): 869–79. http://dx.doi.org/10.1163/156854107782331261.
Повний текст джерелаArora, Deepika, Guiping Yan, and Richard Baidoo. "Developing a real-time PCR assay for direct detection and quantification of Pratylenchus scribneri in field soil." Nematology 22, no. 7 (July 24, 2020): 733–44. http://dx.doi.org/10.1163/15685411-00003336.
Повний текст джерелаHuang, Danqiong, Guiping Yan, Neil C. Gudmestad, and Jonathan Whitworth. "Assessment of Factors Associated with Molecular Quantification of Stubby Root Nematode Paratrichodorus allius from Field Soil DNA." Plant Disease 103, no. 12 (December 2019): 3265–73. http://dx.doi.org/10.1094/pdis-12-18-2240-re.
Повний текст джерелаWaeyenberge, Lieven, Nancy de Sutter, Nicole Viaene, and Annelies Haegeman. "New Insights Into Nematode DNA-metabarcoding as Revealed by the Characterization of Artificial and Spiked Nematode Communities." Diversity 11, no. 4 (April 2, 2019): 52. http://dx.doi.org/10.3390/d11040052.
Повний текст джерелаYan, Guiping, Richard W. Smiley, and Patricia A. Okubara. "Detection and Quantification of Pratylenchus thornei in DNA Extracted from Soil Using Real-Time PCR." Phytopathology® 102, no. 1 (January 2012): 14–22. http://dx.doi.org/10.1094/phyto-03-11-0093.
Повний текст джерелаGorny, Adrienne M., Xiaohong Wang, Frank S. Hay, and Sarah J. Pethybridge. "Development of a Species-Specific PCR for Detection and Quantification of Meloidogyne hapla in Soil Using the 16D10 Root-Knot Nematode Effector Gene." Plant Disease 103, no. 8 (August 2019): 1902–9. http://dx.doi.org/10.1094/pdis-09-18-1539-re.
Повний текст джерелаДисертації з теми "Nematode quantification"
Prada, Jimenez de Cisneros Joaquin M. "Quantification of host-parasite interactions : sheep and their nematodes." Thesis, University of Glasgow, 2014. http://theses.gla.ac.uk/6156/.
Повний текст джерелаPensec, Flora. "Les triterpénoïdes chez la vigne : quantifications, voies de biosynthèse et intérêt pour la lutte contre des bioagresseurs." Thesis, Mulhouse, 2013. http://www.theses.fr/2013MULH8854/document.
Повний текст джерелаVitis vinifera is susceptible to many pathogens. These past few years, treatment policies led to the withdrawal of many pesticides. Renee, no chemical treatments are available to treat some grapevine diseases such as the grapevine trunk diseases caused by fungi complexes and the grapevine fanleaf degeneration, a viral disease transmitted from grapevine to grapevine by vector nematodes. Grapevine is known for the production of secondary metabolites as a response to pathogen infections. In this work, we focused on phytoanticipins such as triterpenoids, that are found as preformed compounds and that confer a basal resistance level to plants. First, a chemical analysis was made on the triterpenoid composition of some grapevine cultivars and organs. This study revealed that the triterpenoid composition is specific to the V. vinifera cultivar and the organ. In a genomic approach, 9 candidate genes involved in the triterpene biosynthesis were identified and their expression was studied in different organs, varieties and biotic or abiotic stress conditions. This explorative study shows correlations between gene expression and differential triterpene production at the leaf surface of the different varieties. In the last part of this study, the use of glycosylated triterpenes, also called saponins, as a substitution solution to withdrawed treattnents against major grapevine diseases was tested. Therefore, the efficiency of saponins extracted from gypsophila and quillaja was tested against fungi associated to grapevine trunk diseases and some nematodes vector of the grapevine fanleaf degeneration. These tests evidenced that the fungi were able to avoid saponins toxicity, whereas such treatment was efficient to kill nematodes. In order to evaluate the effect of the treatment on the environment, the efficient doses were tested and bad no significant impact on some bioindicators
Fonseca, Luís Miguel Bidarra da. "The use of monoclonal antibodies and molecular techniques for the identification and quantification of the pinewood nematode, Bursaphelenchus Xylophilus." Doctoral thesis, 2009. http://hdl.handle.net/10316/9908.
Повний текст джерелаRahman, Muhammad Shefatur. "Genetic and biological analysis of root lesion nematode (Pratylenchus thornei) resistance loci in wheat." Thesis, 2019. http://hdl.handle.net/2440/123683.
Повний текст джерелаThe root lesion nematode Pratylenchus thornei feeds on roots of wheat (Triticum aestivum) plants, causing significant damage to the roots at the cellular level, resulting in yield reduction. In a previous study, P. thornei resistance QTL, QRlnt.sk-6D and QRlnt.sk-2B were identified in a Sokoll/Krichauff wheat DH population. The current project was undertaken with the aim to dissect the genetic and biological basis of this resistance. To better define the genetic basis of resistance, both resistance loci were fine mapped using the Sokoll/Krichauff DH population and six newly developed RIL populations. Bulked segregation analysis with the 90K Wheat SNP array identified linked SNPs, which were subsequently converted to KASP assays for mapping in the DH and RIL populations. QRlnt.sk-6D was delimited to a 3.5 cM interval, representing 1.77 Mbp in the bread wheat cv. Chinese Spring reference genome sequence and 2.29 Mbp in the Ae. tauschii genome sequence. These intervals contained 42 and 43 gene models in the respective annotated genome sequences. QRlnt.sk-2B was delimited to 1.4 cM, corresponding 3.14 Mbp in the durum wheat cv. Svevo reference sequence and 2.19 Mbp in Chinese Spring. The interval in Chinese Spring contained 56 high confidence gene models. Intervals for both QTL contained genes with similarity to those previously reported to be involved in disease resistance, namely genes for phenylpropanoid-biosynthetic-pathway-related enzymes, NBS-LRR proteins and protein kinases. The potential roles of these candidate genes in P. thornei resistance are discussed. The KASP markers reported in this study could potentially be used for marker assisted breeding of P. thornei resistant wheat cultivars. To quantify P. thornei from wheat root, a qPCR-based assay was developed. A standard curve was produced to quantify P. thornei from wheat root samples. The standard curve was validated by estimating P. thornei from sixteen wheat lines with known levels of resistance. Overall, the assay was 2.4-fold less expensive compared to the commercial service (PreDicta B test, SARDI). The DNA extraction protocol was inexpensive as it works without using a commercial DNA extraction kit. In order to identify metabolites associated with resistance loci, the GC-MS based metabolic profiles of root exudates and root tissues from the resistant lines were compared with the susceptible lines. In root exudates, 21 metabolites were found to be associated with resistance QTL. Likewise, from root tissue, 15 metabolites were found to be associated with the resistance QTL. These metabolites were derived from diverse biochemical groups, including amino acids and amines, organic acids, sugars, sugar alcohols and sugar phosphates. The possible roles of these resistance compounds in P. thornei resistance is largely unknown. However, their nematotoxic properties against other plant parasitic nematodes were discussed. In response to P. thornei infection, the histological and histochemical responses of wheat roots were investigated. The use of the fluorescent dye PKH26 (for P. thornei labelling) and confocal microscopy enabled visualisation of live P. thornei both out and inside wheat root tissue. In response to P. thornei infection, secondary cell wall thickening (deposition of cellulose, callose, lignin and suberin) was observed in the P. thornei resistant cultivar, Sokoll. Secondary cell wall thickening might result in physical reinforcement of the cell wall restricting P. thornei migration in the resistant root tissues.
Thesis (Ph.D.) -- University of Adelaide, School of Agriculture, Food & Wine, 2020
Vandal, Myriam. "Pratylenchus alleni : son spectre d’hôtes, sa reproduction dans un contexte de changements climatiques et sa quantification par PCR quantitative." Thèse, 2017. http://hdl.handle.net/1866/19134.
Повний текст джерелаIn Canada, yield losses attributed to nematodes are generally associated with root-lesion nematodes from the genus Pratylenchus. In 2011, a new exotic species was detected in Canada and identified as Pratylenchus alleni Ferris. Pratylenchus alleni is rare in the Northeastern U.S. and its discovery has raised new concerns. To determine whether this species is a threat to agricultural production in Québec, my project aims to collect information about its pathogenicity. First, the host range of P. alleni was studied and the results showed that the nematode was developing well on potato, but poorly performed on alfalfa and red clover. The reproduction of P. alleni has also been studied in a context of climate change. The results showed that anticipated temperature and CO2 increases should favor P. alleni since it has a better reproduction rate on soybeans subjected to a night/day temperature regime of 17/28°C and a CO2 concentration of 1200 ppm compared to 12/23˚C (400 ppm) and 15/26°C (800 ppm) regimes. In the same study, a reduction of 19 to 58 % of roots dry weight of soybeans inoculated with P. alleni was observed compared to control plants. A simultaneous molecular detection and quantification method by qPCR of P. alleni and P. penetrans, the most widespread Pratylenchus species in Eastern Canada, was also developed. For each species, a TaqMan probe associated with the CY5 fluorophore for P. alleni and FAM for P. penetrans targeting the D2/D3 expansion segments of the large ribosomal subunit (28S) were developed and proved to be specific to each species. These results bring new insights into this new pest and highlight its pathogenicity.
Частини книг з теми "Nematode quantification"
Ortega, Samuel, Stein-Kato Lindberg, Kathryn E. Anderssen, and Karsten Heia. "Perspective Chapter: Hyperspectral Imaging for the Analysis of Seafood." In Hyperspectral Imaging - A Perspective on Recent Advances and Applications [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.108726.
Повний текст джерела