Tobacco zygotic embryogenesis in vitro: the original cell wall of the zygote is essential for maintenance of cell polarity, the apical-basal axis and typical suspensor formation.

Abstract

We have developed a reliable in vitro zygotic embryogenesis system in tobacco. A single zygote of a dicotyledonous plant was able to develop into a fertile plant via direct embryogenesis with the aid of a co-culture system in which fertilized ovules were employed as feeders. The results confirmed that a tobacco zygote could divide in vitro following the… (More)

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