Microscopy from Scientific Research

Images of Meringosphaera and its kleptoplasts collected in April 2021 from the A17 sampling station and visualized by CARD-FISH, showing that the plastids are numerous and intact despite the lack of detection in the qPCR assay. The cells were imaged on a confocal microscope with the 405, 488, and 633 nm lasers. In all panels, the green signal is from the Alexa 488 dye bound to the Mer482 probe that was designed to specifically target Meringosphaera 18S rRNA, the blue signal is from the nucleic acid stain DAPI, and the red signal is from chlorophyll a autofluorescence.

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