Review
The macromolecular aromatic domain in suberized tissue: A changing paradigm
Phytochemistry, Vol.47(6), pp.915-933
1998
Handle:
https://hdl.handle.net/2376/100491
PMID: 11536868
Abstract
This article reviews the current status of our understanding of the macromolecular aromatic domain of suberized tissue from histochemical, structural, and biochemical perspectives.
As a structural feature of specialized cell walls, suberization remains an enigma, despite its obvious importance both during normal growth and development and as a stress response in plants. While it is clear that suberized tissues contain both polyaromatic and polyaliphatic domains, and that each of these has its own unique characteristics, whether there is a contiguous macromolecule that can be called suberin is an open question. From a structural perspective, the aromatic domain is unique and distinct from lignin, and is apparently comprised primarily of (poly)hydroxycinnamates, such as amides (e.g., feruloyltyramine). The aliphatic domain is also unique, being quite distinct from cutin in terms of both its chemical composition and cellular location. In the present paper, histochemical, structural and biochemical data, particularly regarding the polyaromatic domain of suberized tissues, are critically reviewed. A revised description of the polyaromatic domain of suberized tissues, based on the consensus that is emerging from the current data, is presented and especially includes a spatially distinct (poly)hydroxycinnamoyl-containing macromolecule.
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Details
- Title
- The macromolecular aromatic domain in suberized tissue: A changing paradigm
- Creators
- Mark A Bernards - University of Northern British Columbia, 3333 University Way, Prince George BC, Canada, V2N 4Z9Norman G Lewis - The Institute of Biological Chemistry, Washington State University, Pullman WA, 99164-6340, U.S.A
- Publication Details
- Phytochemistry, Vol.47(6), pp.915-933
- Academic Unit
- Biological Chemistry, Institute of
- Publisher
- Elsevier Ltd
- Identifiers
- 99900546689501842
- Language
- English
- Resource Type
- Review