Intragenic Agrobacterium-mediated gene transfer mimics micro translocations without foreign DNA
Year: 2025
Type: article
Abstract: Main conclusion Agrobacterium-mediated transformation of Nicotiana tabacum, using an intragenic T-DNA region derived entirely from the N. tabacum genome, results in the equivalence of micro-translocations within genomes.Abstract Intragenic Agrobacterium-mediated gene transfer was achieved in Nicotiana tabacum using a T-DNA composed entirely of N. tabacum DNA, including T-DNA borders and the acetohydroxyacid synthase gene conferring resistance to sulfonylurea herbicides. Genomic analysis of a resulting plant, with single locus inheritance of herbicide resistance, identified a single insertion of the intragenic T-DNA on chromosome 5. The insertion event was composed of three N. tabacum DNA fragments from other chromosomes, as assembled on the T-DNA vector. This validates that intragenic transformation of plants can mimic micro-translocations within genomes, with the absence of foreign DNA.
Source: Figshare
Institution: AgResearch
Language: English
Subfield: Molecular Biology
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W7090181213
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