نتایج جستجو برای: photorhabdus bacteria
تعداد نتایج: 180541 فیلتر نتایج به سال:
Abstract Background The complex including entomopathogenic nematodes (EPNs) of the genera Steinernema and Heterorhabditis their mutualistic partner, i.e., Xenorhabdus Photorhabdus bacteria, respectively possesses many attributes ideal biological control agents against numerous insect pests as a third partner. Despite authenic opportunities for practical use biocontrol globally, they are challen...
An oxygen electrode inserted into a dead Munducu sex~u larva infected with Heterorhabditis nematodes carrying the bacterium Photorhabdus luminescens showed barely detectable levels of oxygen in a 1 to 2 mm zone below the cuticle, and virtual anaerobiosis deeper in the carcass. This observation indicates that the bacteria in this habitat, where they are actively growing, are probably carrying ou...
A biosensor is an analytical device which integrates a biological recognition element with a physical transducer to generate a measurable signal proportional to the concentration of the analyses. A microbial biosensor consists of a transducer in conjunction with immobilized viable or non-viable microbial cells. Non-viable cells obtained after Permeable or whole cells containing periplasmic enzy...
We sequenced four Vibrio parahaemolyticus strains, three of which caused serious acute hepatopancreatic necrosis disease. Sequence analysis of the virulent strains revealed not only genes related to cholera toxin and the type IV pilus/type IV secretion system but also a unique, previously unreported, large extrachromosomal plasmid that encodes a homolog to the insecticidal Photorhabdus insect-r...
In vivo bioluminescent imaging permits the visualization of bacteria in live animals, allowing researchers to monitor, both temporally and spatially, the progression of infection in each animal. We sought to engineer stably luminescent clinical strains of Staphylococcus aureus, with the goal of using such strains in mouse models. The gram-positive shuttle vector pMAD was used as the backbone fo...
Dam, the most described bacterial DNA-methyltransferase, is widespread in gamma-proteobacteria. Dam DNA methylation can play a role in various genes expression and is involved in pathogenicity of several bacterial species. The purpose of this study was to determine the role played by the dam ortholog identified in the entomopathogenic bacterium Photorhabdus luminescens. Complementation assays o...
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