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Fig. 1. | BMC Biology

Fig. 1.

From: A non-photosynthetic green alga illuminates the reductive evolution of plastid electron transport systems

Fig. 1.

A novel strain of non-photosynthetic Volvocales green algae, chlamydomonad sp. NrCl902. a Light microscopic observation of a cell. Bar = 10 μm. b Light microscopic observation of the orange eyespot, indicated by a closed double arrowhead, at the anterior part of a cell. Bar = 10 μm. c Transmission electron microscopy of non-photosynthetic plastids containing starch granules. Bar = 1 μm. Arrowheads show the membranes enclosing starch granules. S: starch granule, N: nucleus, M: mitochondrion, P: plastid. d DIC, e SYBR Green, f Mitotracker, g Merge. n: nuclear DNA. SYBR Green fluorescence signals other than the nuclear DNA are highly likely organellar DNAs. Bar = 5 μm. Double arrowheads indicate SYBR Green signal not overlapped with Mitotracker signal, suggesting presence of plastid DNA (pl nucleoid)

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