نتایج جستجو برای: living nematode
تعداد نتایج: 193470 فیلتر نتایج به سال:
we describe a 61-year-old man who developed a mild gastrointestinal discomforts including diarrhea associated with feces containing many larvae similar to rhabditiform larvae of strongyloides stercoralis diagnosed finally as diploscapter coronata, a free-living nematode. this case is unusual infection in human and there are a few reports of this worm as a real parasite. microscopically, diplo...
In vitro tests were carried out to assess the activity of 26 Brazilian isolates of predatory fungi of the genus Arthrobotrys on a free-living nematode (Panagrellus sp.) and on infective larvae of Haemonchus placei, a parasitic gastrointestinal nematode of cattle. The results showed that the free-living nematode Panagrellus sp. was the most preyed upon, compared to H. placei, for all the fungal ...
In vitro tests were carried out to verify the activity of 26 Brazilian isolates of predatory fungi of the genus Arthrobotrys on a free-living nematode (Panagrellus sp.) and on infective larvae of Cooperia punctata, a parasitic gastrointestinal nematode of cattle. The results showed that the free-living nematode Panagrellus sp. was the most preyed upon, compared to C. punctata, for all the funga...
rhabditidae is a family of free-living nematodes. free living nematodes due to their active movement and resistance to chlorination, do not remove in conventional water treatment processes thus can be entered to distribution systems and cause adverse health effects. ultraviolet radiation (uv) can be used as a method of inactivating for these organisms. this cross sectional study was done to inv...
The sensitivity of acetylcholinesterases (ACHE) isolated from the plant-parasitic nematodes Meloidogyne arenaria, M. incognita, and Heterodera glycines and the free-living nematode Caenorhabditis elegans to carbamate and organophosphate nematicides was examined. The AChE from plant-parasitic nematode species were more sensitive to carbamate inhibitors than was AChE from C. elegans, but response...
A nematicide, beauvericin (1), was isolated from cultures of the fungus Fusarium bulbicola, and its structure was identified by spectroscopic analysis. Compound 1 showed nematicidal activities against the pine wood nematode Bursaphelenchus xylophilus and the free-living nematode Caenorhabditis elegans.
In the past few years, an increasing number of draft genome sequences of multiple free-living and parasitic nematodes have been published. Although nematode genomes vary in size within an order of magnitude, compared with mammalian genomes, they are all very small. Nevertheless, nematodes possess only marginally fewer genes than mammals do. Nematode genomes are very compact and therefore form a...
Aging has been characterised in detail in relatively few animal species. Here we describe the aging process in free-living adults of the parasitic nematode Strongyloides ratti. We find that the phenomenology of aging in S. ratti free-living females, resembles that of the short-lived free-living nematode Caenorhabditis elegans, except that it unfolds far more rapidly. The mean (3.0 +/- 0.1 days)...
Recently, nematode viruses infecting Caenorhabditis elegans have been reported from the family Nodaviridae, the first nematode viruses described. Here, we report the observation of a novel endogenous viral element (EVE) in the genome of Bursaphelenchus xylophilus, a plant parasitic nematode unrelated to other nematodes from which viruses have been characterised. This element derives from a diff...
BACKGROUND The phylum Nematoda is biologically diverse, including parasites of plants and animals as well as free-living taxa. Underpinning this diversity will be commensurate diversity in expressed genes, including gene sets associated specifically with evolution of parasitism. METHODS AND FINDINGS Here we have analyzed the extensive expressed sequence tag data (available for 37 nematode spe...
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