paper Siebert S, Thomsen S, Reimer MM, Bosch TCG (2005) Control of foot differentiation in Hydra: phylogenetic footprinting indicates interaction of head, bud and foot patterning systems. Mech. Dev. 122(9):998-1007

paper Habetha M and Bosch TCG (2005) Symbiotic Hydra express a plant-like peroxidase gene during oogenesis. J. Exp. Biol. 208:2157-2164

paper Khalturin K, Kürn U, Pinnow N and Bosch TCG (2005) Towards a molecular code for individuality in the absence of MHC: screening for individually variable genes in the urochordate Ciona intestinalis. Dev. Comp. Immunol. 29(9):759-773