نتایج جستجو برای: parasitic nematodes
تعداد نتایج: 45053 فیلتر نتایج به سال:
Plant-parasitic nematodes (PPNs) are significant pests that result in considerable economic losses global crop production. Due to the high toxicity of chemical nematicides, there is a need develop new strategies for nematode control. In this context, nematophagous fungi may offer viable option biological Two fungal strains (GUCC2212 and GUCC2232) were isolated from cysts Globodera sp., identifi...
The most evolutionary advanced adaptations for plant parasitism by nematodes are the products of parasitism genes expressed in their esophageal gland cells and secreted through their stylet into host tissue to control the complex process of parasitism. Molecular analyses of nematode parasitism genes are revealing the complexity of the tools that enable the nematode to attack plants, and the res...
The effect of tillage intensity on nematode community trophic structure and the role of nematodes in the regulation of decomposition rates in agroecosystems were examined. Conventional (CT) and no-tillage (NT) agroecosystems were sampled monthly for 1 year. Tillage affected nematode trophic structure and total abundance. Monthly mean densities of bacterivorous, fungivorous, and total nematodes ...
Ivermectin is one of the most important drugs in veterinary and human medicine for the control of parasitic infection and was the joint focus of the 2015 Nobel Prize in Physiology or Medicine, some 35 years after its remarkable discovery. Although best described for its activity on glutamate-gated chloride channels in parasitic nematodes, understanding of its mode of action remains incomplete. ...
to identify the faunal parasitic nematodes of mazandaran, guilan and ardebil provinces, roughly 30 soil samples were collected from the rhizosphere of forest trees during 2005-2009. nematodes were extracted from soil through centrifugal flotation technique. the extracted nematodes were transferred to pure glycerin using common methods. permanent slides were made and nematodes identified as base...
Background: Parasitic nematodes are very destructive to crops, ornamental plants and woody as well which cause most severe diseases in feed on the roots of these plants.
 Objective: Main aim this study is identify different species associated with Maple (Acer caesium) Poplar (populous nigra) trees at district Swabi, Khyber Pakhtunkhwa, Pakistan.
 Methodology: Some growing areas Distri...
There is a huge disparity across the phylum Nematoda in terms of our molecular knowledge. For some species, such as the parasitic Brugia malayi, we possess complete genome sequences (both nuclear and mitochondrial) as well as detailed information about life history, reproduction and relationships with symbionts. For countless other species (especially free-living species from marine environment...
Plant parasitic nematodes need to overcome the barrier presented by plant cell wall in order invade their host. A variety of degrading enzymes are present endoparasitic including that degrade cellulose (beta 1,4 endoglucanases) and various pectin components. We describe cloning functional analysis genes encoding GH53 arabinogalactan endo-1,4-beta-galactosidases from three related Globodera rost...
identification of plant parasitic nematode collected from pulse fields in northern khorasan province
in order to identify the plant parasitic nematodes of pulse fields in northern khorasan province, 41 soil and root samples were collected from rhizosphere of pisum sp., phaseoulus sp., lens sp. during 2011 and 2012. the nematodes were extracted by combined sieving and centrifugal-flotation method of jenkins (1969) and transferred to glycerin by using method of de grisse (1969). the permanent sl...
Parasitic nematodes cause a massive worldwide burden on human health along with loss of livestock and agriculture productivity. Anthelmintics have been widely successful in treating parasitic nematodes. However, resistance is increasing, little known about the molecular genetic causes for most these drugs. The free-living roundworm Caenorhabditis elegans provides tractable model to identify gen...
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