| Glycine-rich proteins as structural components of plant cell walls. | |
| | |
MedLine Citation:
|
PMID: 11693524 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
Glycine-rich proteins (GRPs) have been found in the cell walls of many higher plants and form a third group of structural protein components of the wall in addition to extensins and proline-rich proteins. The primary sequences of GRPs contain more than 60% glycine. GRPs are localized mainly in the vascular tissue of the plant, and their coding genes provide an excellent system to analyze the molecular basis of vascular-specific gene expression. In French bean, the major cell wall GRP has been localized at the ultrastructural level in the modified primary cell wall of protoxylem. Immunological studies showed that it forms a major part of these highly extensible and specialized cell walls. Specific digestion of GRP1.8 from bean by collagenase suggests that it shares structural similarities with collagen. The protein is synthesized by living protoxylem cells as well as xylem parenchyma cells. After cell death, GRPs are exported from neighboring xylem parenchyma cells to the protoxylem wall, a rare example of protein transport between cells in plants. We propose that GRPs are part of a repair system of the plant during the stretching phase of protoxylem. |
| | |
Authors:
|
C Ringli; B Keller; U Ryser |
Related Documents
:
|
19386544 - High plasticity in the production of diatom-derived polyunsaturated aldehydes under nut... 21784864 - Lytn, a murein hydrolase in the cross-wall compartment of staphylococcus aureus, is inv... 19448034 - The organization pattern of root border-like cells of arabidopsis is dependent on cell ... 11092634 - Fibrobacter succinogenes s85 ferments ball-milled cellulose as fast as cellobiose until... 8468284 - Plasmolysis bays in escherichia coli: are they related to development and positioning o... 7573474 - Pulmonary cytochrome p-450 monooxygenase system and clara cell differentiation in rats. |
Publication Detail:
|
Type: Journal Article; Review |
Journal Detail:
|
Title: Cellular and molecular life sciences : CMLS Volume: 58 ISSN: 1420-682X ISO Abbreviation: Cell. Mol. Life Sci. Publication Date: 2001 Sep |
Date Detail:
|
Created Date: 2001-11-05 Completed Date: 2001-12-05 Revised Date: 2008-11-21 |
Medline Journal Info:
|
Nlm Unique ID: 9705402 Medline TA: Cell Mol Life Sci Country: Switzerland |
Other Details:
|
Languages: eng Pagination: 1430-41 Citation Subset: IM |
Affiliation:
|
Institute of Plant Biology, University of Zürich, Switzerland. |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Amino Acid Sequence Cell Wall / chemistry* Fabaceae / chemistry Gene Expression Regulation, Plant Genes, Reporter Glycine / chemistry*, physiology* Models, Genetic Molecular Sequence Data Plant Proteins / chemistry*, physiology* Promoter Regions, Genetic Protein Structure, Secondary Protein Structure, Tertiary Sequence Homology, Amino Acid Soybeans / chemistry |
| Chemical | |
Reg. No./Substance:
|
0/Plant Proteins; 56-40-6/Glycine |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Hydroxyproline-rich glycoproteins in plant reproductive tissues: structure, functions and regulation...
Next Document: Protein oxidation and 20S proteasome-dependent proteolysis in mammalian cells.