CALCIUM DEFICIENCY CAN INDUCE THE TRANSITION FROM OVAL TO FUSIFORM CELLS IN CULTURES OF PHAEODACTYLUM TRICORNUTUM BOHLIN1,2
- 1 March 1974
- journal article
- Published by Wiley in Journal of Phycology
- Vol. 10 (1) , 89-90
- https://doi.org/10.1111/j.1529-8817.1974.tb02682.x
Abstract
SUMMARY: The diatom Phaeodactylum tricornutum Bohlin is known to be pleomorphic. Previously it was considered that growth on medium solidified with agar produced ovate cells, whereas growth in liquid medium gave rise to fusiform cells. We have shown that ovate cells can be propagated in liquid medium if the calcium content of the medium is below 15 mg/liter. If the concentration of calcium is raised, fusiform cells develop.Keywords
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