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A Stable -Mediated Transformation of Cotton ( L.) and Plant Regeneration From Transformed Hairy Root via Embryogenesis. | LitMetric

AI Article Synopsis

Article Abstract

Genetic transformation is a powerful tool to study gene function, secondary metabolism pathways, and molecular breeding in crops. Cotton ( L.) is one of the most important economic crops in the world. Current cotton transformation methods take at least seven to culture and are labor-intensive and limited to some cultivars. In this study, we first time achieved plantlet regeneration of cotton via embryogenesis from transformed hairy roots. We inoculated the cotyledon explants of a commercial cultivar Zhongmian-24 with strain AR1193, harboring a binary vector pBI-35S::GFP that contained the (neomycin phosphotransferase) gene and the (green fluorescent protein) gene as a fluorescent marker in the T-DNA region. 82.6% explants produced adventitious roots, of which 53% showed GFP expression after transformation. 82% of transformed hairy roots produced embryonic calli, 12% of which regenerated into stable transformed cotton plants after 7 months of culture. The integration of in the transformed cotton genomes were confirmed by PCR (Polymerase chain reaction) and Southern blot analysis as well as the stable expression of GFP were also detected by semi-quantitative RT-PCR analysis. The resultant transformed plantlets were phenotypically, thus avoiding Ri syndrome. Here we report a stable and reproducible method for -mediated transformation of using cotyledon as explants, which provides a useful and reliable platform for gene function analysis of cotton.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7767857PMC
http://dx.doi.org/10.3389/fpls.2020.604255DOI Listing

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