SYNTHETIC DERIVATIVES OF THE SPONGE ALKALOID AGELADINE A AS TISSUE AND CELL SPECIFIC STAINS FOR LIVE IMAGING OF MARCROSTOMUM LIGNANO
2013
The marine platyhelminth Macrostomum lignano lives in sediments
of the Adriatic shores and experiences episodes of hypoxia and
exposure to toxins and large temperature variations in its natural
environment. The flatworm is robust and easy to maintain in coculture
with its prey, the diatom Nitzschia spp. at 16:8 h light/dark
cycle and 20 ± 2 °C. With a view to establishing this flatworm as
physiological model for environmental stress, toxin exposure and
organismic adaptations we have performed a series of live imaging
techniques using established and new dyes (Rivera-Ingraham et
al. 2013). Here we report the staining of M. lignano with synthetic
derivatives of the sponge-derived natural product ageladine A. The
new synthetic derivatives show different pH dependent excitation/
emission profiles and different staining characteristics. One
compound in particular (P3) shows highly organ specific staining,
staining only the rhabdites.
Rivera-Ingraham GA, Bickmeyer U, Abele D. J Exp Biol. 2013 Mar
26. [Epub ahead of print]
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