Fig. 6From: Phospholipase D activation is required for 1-aminocyclopropane 1-carboxylic acid signaling during sexual reproduction in the marine red alga Neopyropia yezoensis (Rhodophyta)Mature levels of N. yezoensis for evaluation in the pharmacological experiments. a: the gametophyte without spermatangia, b: the gametophyte with spermatangia exhibited slight discoloration, c: the gametophyte with spermatangia exhibited clear discoloration, and d: the gametophyte degraded cell walls and released spermata. Arrowheads indicate spermatangia. Scale bar = 50 μmBack to article page