The tannosome is an organelle forming condensed tannins in the chlorophyllous organs of Tracheophyta | Zendy

JeanMarc Brillouet | Zendy; Charles Romieu | Zendy; Benoı̂t Schoefs | Zendy; Katalin Solymosi | Zendy; Véronique Cheynier | Zendy; Hélène Fulcrand | Zendy; Jean-Luc Verdeil | Zendy; Geneviève Conéjéro | Zendy

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The tannosome is an organelle forming condensed tannins in the chlorophyllous organs of Tracheophyta

Author(s) -

JeanMarc Brillouet,

Charles Romieu,

Benoı̂t Schoefs,

Katalin Solymosi,

Véronique Cheynier,

Hélène Fulcrand,

Jean-Luc Verdeil,

Geneviève Conéjéro

Publication year - 2013

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mct168

Subject(s) - organelle , biology , tannin , chloroplast , thylakoid , biochemistry , vacuole , endoplasmic reticulum , biophysics , cytoplasm , botany , gene

Condensed tannins (also called proanthocyanidins) are widespread polymers of catechins and are essential for the defence mechanisms of vascular plants (Tracheophyta). A large body of evidence argues for the synthesis of monomeric epicatechin on the cytosolic face of the endoplasmic reticulum and its transport to the vacuole, although the site of its polymerization into tannins remains to be elucidated. The aim of the study was to re-examine the cellular frame of tannin polymerization in various representatives of the Tracheophyta.

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