Additional file 4.

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Movie S2. Pyronin Y labeling reveals a partial coalescence of RNA aggregates after 4 weeks of dehydration. Microspores collected and fixed after 4 weeks without watering were sectioned and double stained with DAPI and PY. Subnuclear PY (green) signal was detected in successive confocal slices and these were rendered as a 3D model. Movie is in .mov format playable with QuickTime.

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Boothby and Wolniak BMC Cell Biology 2011 12:45   doi:10.1186/1471-2121-12-45