Agrobacterium Mediated Transformation of Sri Sumrong 60, a Thai Cotton Variety
Keywords:
Bacillus thuringiensis, Agrobacterium tumefaciens, cotton, somatic embryogenesis, crylA(b)Abstract
Techniques were developed for the induction of embryogenic callus, as well as the transformation and regeneration of Sri Sumrong 60, a Thai cotton variety. Somatic embryogenesis was obtained by culturing hypocotyls explants on MS based medium containing zeatin and NAA and subculturing on an hormone-free medium. This method yielded 23-50% embryogenic callus induction. Transformation of Sri Sumrong 60 with a synthetic CryIA (b) gene was achieved by using Agrobacterium tumefaciens strain, with the addition of 100 mM acetosyringone to the medium during inoculation and co-cultivation steps. PCR amplification was used to verify the presence of cryIA (b) in regenerated plants, thus suggesting the successful transformation of the Thai cotton variety Sri Sumrong 60.
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online 2452-316X print 2468-1458/Copyright © 2022. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/),
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