@article {91,
	title = {Horizontal gene transfer contributed to the evolution of extracellular surface structures, the freshwater polyp Hydra is covered by a complex fibrous cuticle containing glycosaminoglycans and proteins of the PPOD and SWT (sweet tooth) families},
	year = {2012},
	author = {A. Bottger and A.C. Doxey and M.W. Hess and K. Pfaller and W. Salvenmoser and R. Deutzmann and A. Geissner and B. Pauly and J. Altstatter and S. Munder and A. Heim and H.J. Gabius and B.J. McConkey and C.N. David}
}
