Abstract
The growth of harmful microalga, Prymnesium parvum, causes red tides in coastal environments, and can also cause damage to fisheries. The iron chemical condition in the coastal environments varies both spatially and temporally and changes the physiological characteristics of red tide microalgae regulating the algal growth. For investigating the molecular mechanisms of iron-stress microalgae, the iron limited culture of P. parvum was established, and the functional genes induced the transcription by iron stress was detected using differential display analysis. A number of differences in the gene transcriptional levels were revealed on the agarose gels and suggest that the algal cells under the iron stress induce the transcription of these functional genes to adapt to environmental stress.
