Hardening of bio-silica in sponge spicules involves an aging process after its enzymatic polycondensation: Evidence for an aquaporin-mediated water absorption
Keywords: AQP; aquaporin; Cu; copper; DAPI; 4â²,6-diamidino-2-phenylindole; EDX; energy-dispersive X-ray; Fe; ferrum (iron); HF; hydrofluoric acid; IEF; isoelectric focusing; Mn; manganese; PCR; polymerase chain reaction; PEG; poly(ethylene glycol); qRT-PCR; quant