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Biosynthesis of the alpha', alpha, and beta subunits of the soybean 7S storage protein (conglycinin) was studied by in vivo and in vitro experiments. One hour in vivo labeling produced polypeptides of 72 kilodaltons (kD) and 78 kD which, in a subsequent 1-h chase period, gave rise to a heterodisperse band of polypeptides of 76-83 kD, the apparent molecular(More)
The predominant storage protein of soybean seed, glycinin, is composed of two heterogeneous classes of related subunits, the acidics (Mr approximately 38,000) and the basics (Mr approximately 22,000). Immunoreaction of polypeptides translated in vitro from isolated seed mRNA using antibodies prepared against either purified acidic or basic subunit groups(More)
The crystal proteins, or section sign-endotoxins, of Bacillus thuringiensis are specifically lethal to Lepidopteran insects. We utilized a truncated and modified portion of a cloned crystal protein gene to construct a chimeric gene capable of expression in plant cells. Using an Agrobacterium tumefaciens binary vector system, we then transferred the chimeric(More)
A series of structurally related substituted phenethylamines shows extreme toxicity toward wild-type callus tissue cultures of tobacco (Nicotiana tabacum), soybean (Glycine max), corn (Zea mays), and sunflower (Helianthus annuus L.), but tobacco crown gall cultures are resistant to the compounds. The essential components that result in toxicity of the(More)
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