Search
Search Results
-
Bt Soybean Cry1Ac Does Not Affect Development, Reproduction, or Feeding Behavior of Red-Banded Stink Bug Piezodorus guildinii (Hemiptera: Pentatomidae)
Bt soybean cultivation is increasing worldwide. The Cry1Ac protein expressed in Bt soybean efficiently controls several lepidopteran pests. The stink...
-
Frequency of Cry1Ac and Cry2Ab resistance alleles in pink bollworm, Pectinophora gossypiella Saunders from Andhra Pradesh, India
Since 2002, transgenic crops that produce Cry1Ac and Cry2Ab toxins have been used in India to control bollworms. From 2002 to 2009, Bt-cotton...
-
Media Optimization for Direct Somatic Embryogenesis, Regeneration in Sugarcane and Genetic Transformation using cry1Ac Gene
Sugarcane, an important agro-industrial crop, has narrow genetic base, low fertility and is difficult to cross, making crop improvement through...
-
Elucidating the role of artificial diet on protease enzyme activity in larval midgut of Helicoverpa armigera as influenced by modification of artificial diet by Cry1Ac toxin
Digestive midgut protease activity in fifth instar larvae (L 5 ) of Helicoverpa armigera was investigated under controlled conditions, where, an...
-
Response of pink bollworm Pectinophora gossypiella (Saunders) to Cry1Ac and Cry2Ab toxin
BackgroundDuring field surveillance in Gujarat, India, in 2009, scientists found that pink bollworm was surviving in the first generation of Bollgard...
-
A chromosome-level genome assembly of the soybean pod borer: insights into larval transcriptional response to transgenic soybean expressing the pesticidal Cry1Ac protein
BackgroundGenetically modified (GM) crop plants with transgenic expression of Bacillus thuringiensis (Bt) pesticidal proteins are used to manage...
-
Clean gene technology to develop selectable marker-free pod borer-resistant transgenic pigeon pea events involving the constitutive expression of Cry1Ac
AbstractThe most crucial yield constraint of pigeon pea is susceptibility to the pod borer Helicoverpa armigera , which causes extensive damage and...
-
Transgenic Bt cotton expressing Cry1Ac/1Ab does not have detrimental effects on the predator Arma chinensis through its prey Helicoverpa armigera
The commercial utilization of genetically modified crops expressing Bacillus thuringiensis (Bt) insecticidal toxins requires careful assessment of...
-
A versatile contribution of both aminopeptidases N and ABC transporters to Bt Cry1Ac toxicity in the diamondback moth
BackgroundBiopesticides and transgenic crops based on Bacillus thuringiensis (Bt) toxins are extensively used to control insect pests, but the rapid...
-
Development of marker-free insect resistant transgenic okra (Abelmoschus esculentus L. Moench) expressing the cry1Ac gene and identification of vector backbone-free events
Agrobacterium -mediated co-transformation method was used to generate marker-free insect resistant transgenic okra plants expressing the cry1Ac gene....
-
Bacillus thuringiensis Cry1Ac toxin and protoxin do not provoke acute or chronic cytotoxicity on macrophages and leukocytes
The bioinsecticidal Cry1Ac proteins (protoxin and toxin) are potent immunogens that can activate macrophages by inducing upregulation of...
-
Bt cotton producing Cry1Ac and Cry2Ab does not harm the parasitoid Aenasius arizonensis (Girault): a host-mediated tritrophic assay
Transgenic crops with genes from Bacillus thuringiensis ( Bt ) Berliner, a soil bacterium producing δ-endotoxin that is lethal to several phytophagous...
-
Addition of proteinase K during the culture alter the physiology of Bacillus thuringiensis culture and the cry1Ac, nprX, nprA, and spo0A gene transcription
Bacillus thuringiensis is the major bioinsecticide worldwide produced due to the Cry protein activity. Several studies have been done to improve the...
-
Cry toxin expression in different plant parts of Bt cotton at different phenological stages
BackgroundCompared to Bollgard-I, the utilization of Cry2Ab protein in Bollgard-II cotton cultivars enhances insect control. Field and laboratory...
-
Site-directed mutagenesis in Cry proteins of Bacillus thuringiensis to demonstrate the role of domain II and domain III in toxicity enhancement toward Spodoptera litura
BackgroundBacillus thuringiensis ( Bt ) is a gram-positive bacterium responsible for the production of a wide variety of insecticidal Cry, Cyt, and...
-
Insect Pest Management in Rice Through Genetic Engineering
Resistance breeding programs resulted in the successful development of rice cultivars expressing resistance to major insect pests of rice. However,...
-
The evaluation of resistance risk to Cry2Ab and cross-resistance to other insecticides in Helicoverpa armigera
To delay the resistance of pests to Bt cotton producing Cry1Ac, pyramided cotton has been planted to replace Cry1Ac-cotton. However, the resistance...
-
Potential of Cry1Ac from Bacillus thuringiensis against the tomato pinworm, Tuta absoluta (Meyrick) (Gelechiidae: Lepidoptera)
The tomato pinworm, Tuta absoluta (Meyrick) (Gelechiidae: Lepidoptera), is an introduced serious pest of tomato in India. Management of this insect...
-
Development of transgenic cotton (Narasimha) using triple gene Cry2Ab-Cry1F-Cry1Ac construct conferring resistance to lepidopteran pest
High-yielding Indian cotton varieties are not amenable for regeneration and transformation because they are recalcitrant in nature. In this work, we...
-
First report of peculiar damaging behaviour of fall armyworm Spodoptera frugiperda (J E Smith) on the pre-blooming stage of cotton in India
Spodoptera frugiperda , fall armyworm (FAW), is one of the notorious insect-pest that has invaded a large number of countries in a short span of time...
