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Evidence of plasma clotting system in earthworms






Journal of Invertebrate Pathology 51(3): 221-228

Evidence of plasma clotting system in earthworms

A coagulation of Eisenia fetida andrei coelomic fluid occurs spontaneously in vitro. It is due to the conversion of two plasma proteins of MW 40 and 45 kDa in an insoluble fiber clot. A serine protease activity is suspected triggering the coagulation process. A potent enhancement of coagulation is obtained in presence of freeze-dired mucus, normally secreted by epidermal cells. The presence of chloragosomes favors the development of the clot network. Possible roles of clotting in earthworm life conditions are discussed.

Accession: 005411656

DOI: 10.1016/0022-2011(88)90029-8

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