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1 November 2003 TRANSFORMATION OF SUGAR BEET CELL SUSPENSION CULTURES
SNEZANA D. IVIC, ANN C. SMIGOCKI
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Abstract

A sugar beet transformation method was developed using particle bombardment of short-term suspension cultures of a breeding line FC607. Highly embryogenic suspension cultures derived from leaf callus were bombarded with the uidA (gusA) reporter gene under the control of either the osmotin or proteinase inhibitor II gene promoter, and the npt II selectable marker gene. Transient uidA expression was visualized as 500–4000 blue units per 200 mg of bombarded cells 2 d after bombardment. Stably-transformed calluses were recovered on both kanamycin and paromomycin media. The greatest number of GUS ( ) calluses was obtained when 50 or 100 mg l−1 of kanamycin was applied 2 d after transformation for 3–5 wk, followed by either no selection or reduced levels of the antibiotic. PCR analyses of the GUS ( ) callus lines revealed the expected size fragment for uidA and npt II genes. Stable incorporation of the uidA gene into the genome was confirmed by Southern blot analyses. Several transformed embryos were detected by histochemical β-glucuronidase (GUS) staining.

SNEZANA D. IVIC and ANN C. SMIGOCKI "TRANSFORMATION OF SUGAR BEET CELL SUSPENSION CULTURES," In Vitro Cellular and Developmental Biology - Plant 39(6), 573-577, (1 November 2003). https://doi.org/10.1079/IVP2003433
Received: 11 December 2002; Accepted: 1 March 2003; Published: 1 November 2003
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