Abstract
Lophocolea heterophylla (Schrad.) Dum. (a leafy liverwort) produces sporophytes with seta cells that elongate 50-fold in 3 to 4 days. Wall components of these cells have been characterized by microscopic histochemistry, colorimetry, and gas chromatography of neutral sugars. Seta cell walls are qualitatively similar to primary cell walls of higher plants. The pectic fraction, however, responds differently to standard histochemical staining and extraction. Quantitatively, mannose, fucose, and rhamnose are in higher percentage, and arabinose and xylose are lower than typically found in vascular plants. Hexuronic acids increase on a percentage basis during elongation; pentoses decrease slightly, while hexose levels remain about the same. Increase in total wall carbohydrate after 2,400% elongation of setae was 1.8-fold.
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- ISHERWOOD F. A., JERMYN M. A. Changes in the cell wall of the pear during ripening. Biochem J. 1956 Sep;64(1):123–132. doi: 10.1042/bj0640123. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Jensen W. A., Ashton M. Composition of Developing Primary Wall in Onion Root Tip Cells. I. Quantitative Analyses. Plant Physiol. 1960 May;35(3):313–323. doi: 10.1104/pp.35.3.313. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Labavitch J. M., Ray P. M. Turnover of cell wall polysaccharides in elongating pea stem segments. Plant Physiol. 1974 May;53(5):669–673. doi: 10.1104/pp.53.5.669. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Lamport D. T., Miller D. H. Hydroxyproline arabinosides in the plant kingdom. Plant Physiol. 1971 Oct;48(4):454–456. doi: 10.1104/pp.48.4.454. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Loescher W., Nevins D. J. Auxin-induced Changes in Avena Coleoptile Cell Wall Composition. Plant Physiol. 1972 Nov;50(5):556–563. doi: 10.1104/pp.50.5.556. [DOI] [PMC free article] [PubMed] [Google Scholar]