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Summary. A simple and efficient procedure suitable for extraction of high-quality RNA from cultured conifer tissues, somatic embryos, zygotic embryos, needles, stem and root tissues was developed. It produced from 100 g up to 700 g total RNA per gram tissue dependent on the types of tissues used. RNA quality was estimated by spectrophotometry, agarose gel electrophoresis, in vitro translation of mRNA,...
Abstract. Putrescine, spermidine, and spermine levels during somatic embryogenesis of interior spruce (Picea glaucaPicea engelmannii complex) were quantified. On abscisic acid supplemented growth medium putrescine and spermidine levels increased two-fold coinciding with maturation of the early somatic embryos to globular embryos. Polyclonal antibodies raised against Escherichia coli arginine decarboxylase...
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