Abstract

Capillary electrophoresis revealed that the endogenous level of ACC (1-aminocyclopropane-1-carboxylic acid) in the gametophytes of Anemia phyllitidis was elevated during GA3-induced male determination, whereas AOA (aminooxyacetic acid, specific inhibitor of ACC synthase) in untreated as well as in the GA3-treated gametophytes decreased concentration of ACC. The mechanism of ethylene involvement in controlling antheridiogenesis reflected at the level of ACC, which is supposed to mediate interactions between ethylene and gibberellins, is proposed.

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