On the origin of the yolk protein ferritin in snails

@article{Bottke2004OnTO,
  title={On the origin of the yolk protein ferritin in snails},
  author={Werner Bottke and Monika Burschyk and Jutta Volmer},
  journal={Roux's archives of developmental biology},
  year={2004},
  volume={197},
  pages={377-382}
}
SummaryThe iron storage protein, ferritin, is the major yolk protein in freshwater snails. In this report we show by in vitro labelling experiments that yolk ferritin of the snails Lymnaea stagnalis L. and Planorbarius corneus L. is an exogenous protein synthesized in the midgut gland and secreted into the hemolymph. Gonad and mantle tissue are inactive in the synthesis of yolk ferritin, but, together with the midgut gland, they synthesize another ferritin type (soma ferritin) which is not… 
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