نتایج جستجو برای: parasporal crystals
تعداد نتایج: 55581 فیلتر نتایج به سال:
The Bacillus cereus group includes eight species: anthracis, B. cereus, cytotoxicus, mycoides, pseudomycoides, thuringiensis, weihenstephanensis and toyonensis, which are highly related at the phylogenetic level. In this work, we performed isolation characterization of a novel sp. strain exhibiting parasporal crystals with insecticidal activity that was initially classified as thuringiensis str...
The Japanese beetle, Popillia japonica, is a minor pest in Japan but has become serious invasive species several parts of the world, causing damage variety crops and high costs for its control. Many different methods control have already been applied, including chemical cultural measures, as well mass-trapping. efficacy biological attempts, using parasitoids, nematodes, fungi, or bacteria also ...
The synthesis and localization of an endospore surface epitope associated with the development of Pasteuria penetrans was determined using a monoclonal antibody (MAb) as a probe. Nematodes, uninfected or infected with P. penetrans, were harvested at 12, 16, 24, and 38 days after inoculation (DAI) and then examined to determine the developmental stage of the bacterium. Vegetative growth of P. pe...
Bacillus thuringiensis strains isolated from Latin American soil samples that showed toxicity against three Spodoptera frugiperda populations from different geographical areas (Mexico, Colombia, and Brazil) were characterized on the basis of their insecticidal activity, crystal morphology, sodium dodecyl sulfate-polyacrylamide gel electrophoresis of parasporal crystals, plasmid profiles, and cr...
The cry gene content of Bacillus thuringiensis subsp. aizawai HD-133 was analyzed by a combination of high-pressure liquid chromatography (HPLC) and exclusive PCR. A total of six cry genes were detected in genomic DNA purified from HD-133, four from the cry1 family (cry1Aa, cry1Ab, cry1C, and cry1D) as well as a gene each from the cry2 (cry2B) and the cry1I families. To directly determine which...
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