Abstract
Symbiodinium microadriaticum Freudenthal is widely regarded to represent one pandemic species of endosymbiotic dinoflagellates. Thin-sectioned and freeze-fractured chloroplasts of symbionts derived from different hosts reveal the envelope to be composed of three membraneous layers, the middle one featuring an uncommon cleavage pattern. Unusual thylakoid arrangement and inclusions indicate intrinsic differences in the chloroplasts among these algae. The results are discussed in the light of evolutionary differentiation withinSymbiodinium.
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Blank, R.J. Unusual chloroplast structures in endosymbiotic dinoflagellates: A clue to evolutionary differentiation within the genusSymbiodinium (Dinophyceae). Pl Syst Evol 151, 271–280 (1986). https://doi.org/10.1007/BF02430280
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DOI: https://doi.org/10.1007/BF02430280