Sponges are a promising source of organic compounds of potential interest regarding industrial and medical applications. For detailed studies on such compounds, large amounts of sponge biomass are required. Obtaining that is at present extremely difficult because most sponges are relatively rare in nature and their mass cultivation in the laboratory has not yet been accomplished. In this study the possibility of culturing Aplysina aerophoba fragments in laboratory was examined. While a substantial biomass increase was not yet observed, we achieved fragmented sponge tissue to develop into a functional sponge as a first success.
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