Tobacco mature pollen has extremely desiccated cytoplasm, and is metabolically quiescent. Upon re-hydration it becomes metabolically active and that results in later emergence of rapidly growing pollen tube. These changes in cytoplasm hydration and metabolic activity are accompanied by protein phosp...
ORGANISM(S): Nicotiana tabacum (Common tobacco) Saccharomyces cerevisiae (Baker's yeast)
