Evolutionary history of callose synthases in terrestrial plants with emphasis on proteins involved in male gametophyte development
Fig 3
Callose synthase expression in Arabidopsis thaliana pollen.
A) Abundance of expressed CalS transcripts in mature pollen and sperm cells. B) Expression profiles of pollen-expressed CalS transcripts in wild type Col-0 and bzip18/- and bzip34/- mutant A. thaliana mature pollen.