Answers are grounded in this paper and cite their sources.
A natural population of Heterosigma akashiwo was collected and incubated in the dark with autoclaved marine sediment. A portion of the cells in the population changed into cysts, which were identical to H.akashiwo cysts found in the field. The cysts required at least 2 weeks of mandatory dormancy before germination.
No takes yet. Share an insight, caveat, or question.
Itakura et al. (1996) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: