Absorption of Some Amino Acids by Sporophytes Isolated from Polytrichum formosum and Ultrastructural Characteristics of the Haustorium Transfer Cells |
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| Authors: | CAUSSIN C; FLEURAT-LESSARD P; BONNEMAIN J L |
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| Institution: | Laboratoire de Biologie et Physiologie végétales Station de Biologie de Beau-Site 25, Faubourg St-Cyprien 86000-Poitiers, France |
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| Abstract: | The absorption of 14C-labelled amino acids (glycine, threonineand  -aminoisobutyric acid) by the isolated sporophyte of Polytrichumformosum takes place mainly in the haustorium. The isolationof the sporophyte does not alter the absorption capacity ofits haustorium nor its ultrastructure, in particular that ofits peripheral transfer cells. amino acids, transfer cells, sporophyte, Polytrichum formosum, haustorium |
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