Abstract
The cultivation of genetically engineered crops has been expanded rapidly in worldwide in a very short span of time. Bt eggplant is a transgenic eggplant created by inserting a crystal protein gene Cry1Ac from the soil bacterium Bacillus thuringiensis. Four Bt eggplant varieties - BARI Bt Eggplant-1, BARI Bt Eggplant-2, BARI Bt Eggplant-3 and BARI Bt Eggplant-4 are started to cultivate in Bangladesh in 2014 as first genetically engineered crop in the country. In the present study, ELISA technique was adopted to quantify the Cry1Ac proteins in the fruits of newly released four Bt eggplant varieties. The expression of Cry1Ac was found among the fruits of the varieties varied from 29.53 to 33.99 µg g-1. Int. J. Appl. Sci. Biotechnol. Vol 5(3): 356-360
Highlights
From the initial planting of 1.7 million hectares in 1996 when the first biotech crop was commercialized, the 185.1 million hectares planted in 2016 indicates 110-fold increase, biotech crops are considered as the fastest adopted crop technology in the history of modern agriculture (ISAAA, 2016)
Commercial release of insect resistant transgenic crops transformed with genes from the bacterium Bacillus thuringiensis, a successful developments in the area of genetic engineering during 1990s (Ferry et al, 2006)
Bacillus thuringiensis (Bt) Eggplant is a genetically engineered eggplant developed by inserting a crystal protein gene, Cry1Ac from the bacterium into the genome of eggplant cultivars
Summary
From the initial planting of 1.7 million hectares in 1996 when the first biotech crop was commercialized, the 185.1 million hectares planted in 2016 indicates 110-fold increase, biotech crops are considered as the fastest adopted crop technology in the history of modern agriculture (ISAAA, 2016). The crop is damaged severely by the notorious insect eggplant fruit and shoot borer (EFSB) and the damage may cause up to 90% losses in yield (Parimi & Zehr, 2009). For controlling this pest, farmers frequently apply large quantities of insecticides, but the success is very poor. Commercial release of insect resistant transgenic crops transformed with genes from the bacterium Bacillus thuringiensis, a successful developments in the area of genetic engineering during 1990s (Ferry et al, 2006). Bt Eggplant is a genetically engineered eggplant developed by inserting a crystal protein gene, Cry1Ac from the bacterium into the genome of eggplant cultivars.
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