Isolates of Bacillus thuringiensis
RAPD-PCR characterization of Bacillus thuringiensis soil isolates from Mizoram with insecticidal activity against Culex tritaeniorhynchus
... higher larvicidal activity than reference strain against both A. aegypti and C. quinquefasciatus. The variation within the type of cry genes was observed in the chosen Bt isolates. There is no relationship between ...
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Distribution of cry and cyt Genes among Indigenous Bacillus thuringiensis Isolates with Mosquitocidal Activity
... Bacillus thuringiensis strains isolated from Madurai, TamilNadu, India were evaluated for their mosquitocidal activity, as well as cry and cyt genes ...these isolates was spherical in nature and a ...
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Larvicidal Activities of Indigenous Bacillus thuringiensis Isolates and Nematode Symbiotic Bacterial Toxins against the Mosquito Vector, Culex pipiens (Diptera: Culicidae)
... crystals. Bacillus thuringiensis index was calculated for each positive sample (Xavier et ...ringiensis isolates were accomplished on the basis of esculin-hydrolysis, lecithinase, he- molytic, and ...
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Effect of Chlorine and Temperature on Larvicidal Activity of Cuban Bacillus thuringiensis Isolates
... In previous studies, Cry4, Cry10, Cry11 and Cyt proteins were established as the prin- cipal virulence factors of Cuban native B. thu- ringiensis isolates (8, 9). Nevertheless we as- sociated the reduction of the ...
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CHARACTERIZATION OF A NATIVE BACILLUS THURINGIENSIS ISOLATES FROM MALAYSIA THAT PRODUCES EXOSPORIUM-ENCLOSED PARASPORAL INCLUSION
... B. thuringiensis contains a set of self-replicating plasmids and they are transferred during conjugation (Thomas et ...B. thuringiensis strains can vary in number and in size (4-150 MDa) (Fagundes et ...B. ...
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Genetic Structure of Population of Bacillus cereus and B thuringiensis Isolates Associated with Periodontitis and Other Human Infections
... sessed. Bacillus thuringiensis is primarily a biopesticide for in- sects due to its production of insecticidal toxins, which is the only established difference from ...
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Antimicrobial Effect of Lactobacillus kunkeei Against Pathogenic Bacteria Isolated from Bees’ Gut
... of isolates with MALDI-TOF MS Biotyper was ...kunkeei, Bacillus cereus, Bacillus megatherium, Bacillus simplex, Bacillus thuringiensis, Delfia acidovorans, Escherichia coli, ...
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New Innovations in Bacillus Thuringiensis Research- A Review
... Bacillus thuringiensis (Bt) is a naturally occurring bacterium common in soils throughout the world and belongs to the group Bacillus cereus sensu lato (Huang et ...B. thuringiensis and need ...
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ISOLATION AND IDENTIFICATION OF BACILLUS THURINGIENSIS BY BIOCHEMICAL METHOD
... The isolates obtained from dilutions of 10-3 10-4 were found to be positive for Bacillus thuringiens showed cream colour and fried egg like ...soil isolates from Japan, morphologically referable to ...
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Potential of Bacillus thuringiensis and Nuclear Polyhedrosis Virus for controlling the Cotton Leaf Worm, Spodoptera littoralis (Boisd.)
... differences in synergistic effect obtained at the two tested virus concentrations for all isolates. As for the 4 th instar larvae, synergistic effect at 5x10 6 PIBs/gram diet with Bt was higher than that obtained ...
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An Overview on the Crystal Toxins from Bacillus thuringiensis
... of Bacillus thuringiensis (Bt) are known to produce crystalline proteins (δ-endotoxins) concomitantly with sporulation during their stationary phase of growth, which are demonstrated as lethal to ...
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Comparative Genomics of Bacillus thuringiensis Reveals a Path to Specialized Exploitation of Multiple Invertebrate Hosts
... The Bacillus cereus group, which encom- passes Bacillus thuringiensis and Bacillus anthracis, contains pathogens that can infect insects, nematodes, and ...many isolates is well known, ...
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Bacillus sphaericus in the biological control of mosquito vector complex
... When the crystal is ingested by mosquito larvae, the protein crystal matrix (parasporal matrix) is dissolved in the anterior stomach, midgut proteinases and alkaline pH (pH 9-10) slowly convert protoxin 42 to a 39 kDa ...
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Yield analysis and adaptation for Bacillus thuringiensis (Bt) and non-Bacillus thuringiensis (Bt) Cotton varieties in the kingdom of Eswatini
... resistant, Bacillus Thuringiensis (BT) cotton is the most popular genetically modified cotton seed used throughout the ...bacterium Bacillus Thuringiensis in a crystal form in order to ...
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Microbial larvicides for malaria control in The Gambia
... Methods: The impact of water-dispersible WDG and corn granule CG formulations of commercial Bacillus sphaericus strain 2362 Bs; VectoLex® and Bacillus thuringiensis var.israelensis strai[r] ...
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Recombinant bacteria for mosquito control
... potent isolates of these and other bacteria. Many isolates of Bt and Bs, and even other bacterial species such as Clostridium bifermentans, have been discovered with mosquitocidal ...Bt isolates is ...
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Evaluation of The commercial Bacillus thuringiensis (BT) products
... Bacillus thuringiensis is the most widely used biological insecticide and is a positive-warm aerobic bacterium that was found at the ...of Bacillus thuringiensis is at the effect of Cry visit ...
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Effect of Bacillus thuringiensis on oviposition andparasitization by parasitoid Habrobracon hebetor Say (Hymenoptera: Braconidae) on Corcyra cephalonica Stainton (Lepidoptera: Pyralidae)
... Effect of Bacillus thuringiensis on oviposition and parasitization by parasitoid Habrobracon hebetor Say (Hymenoptera: Braconidae).. on Corcyra cephalonica Stainton (Lepidoptera: Pyrali[r] ...
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What is the evidence on the inheritance of resistance alleles in populations of lepidopteran/coleopteran maize pest species: a systematic map protocol
... problem for more than 100 years [1]. It occurs regularly where pest populations are exposed to a uniform, strong and continuous selection pressure [1-3] and is therefore expected also for insect resistant GM crops ...
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Community-based surveillance and control of malaria vectors in urban Dar es Salaam, Tanzania
... Artemisinin Combination Therapy Bill&Melinda Gates Foundation Bacillus sphaericus Bacillus thuringiensis var israelinsis Community Based confidence interval Community Owned Resource Pers[r] ...
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