The embryonic development of the mollusc Viviparus ater is examined by histological and histochemical procedures as well as by ontogeny of the expression of TGF-b1- and TGF-b type II receptor-like molecules. Developmental stages with different morphological patterns were found and they show specific spatial distributions of molecules immunoreactive to anti-TGF-b1 and -TGF-b-receptor antibodies. These molecules are present early during development. They were detected at stage E10 (10% of embryonic development), remained present during further development and in the most advanced stages. These findings support a role for TGF-b1-related factors in pattern formation and the growth of various organs in V. ater.
Role of TGF-b1-like factors in the embryonic development of the mollusc Viviparus ater / Franchini, Antonella. - In: INVERTEBRATE REPRODUCTION & DEVELOPMENT. - ISSN 0792-4259. - STAMPA. - 42:2-3(2002), pp. 157-162. [10.1080/07924259.2002.9652772]
Role of TGF-b1-like factors in the embryonic development of the mollusc Viviparus ater.
FRANCHINI, Antonella
2002
Abstract
The embryonic development of the mollusc Viviparus ater is examined by histological and histochemical procedures as well as by ontogeny of the expression of TGF-b1- and TGF-b type II receptor-like molecules. Developmental stages with different morphological patterns were found and they show specific spatial distributions of molecules immunoreactive to anti-TGF-b1 and -TGF-b-receptor antibodies. These molecules are present early during development. They were detected at stage E10 (10% of embryonic development), remained present during further development and in the most advanced stages. These findings support a role for TGF-b1-related factors in pattern formation and the growth of various organs in V. ater.
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