Abstract
The presence of fibrillar structures (FS) in the cell corner middle lamella (CCML) regions was demonstrated in several species of plants. The FS in the CCML of bass wood, oak wood, and bamboo became clearly visible after removal of lignin by wood decay fungi. The occurrence of FS in the CCML was also confirmed by examining early stages of cell wall formation in silver poplar, Japanese red pine, Arabidopsis and alfalfa. The fibrillar texture became increasingly less defined with the onset of lignification as the interfibrillar spaces were masked by lignin polymers and the fibrillar network became embedded within the lignin matrix. The FS stained positively with PATAg and ruthenium red, which is interpreted to be an indicator of the presence of structural polysaccharides (non-cellulosics and pectins). Our work demonstrated that fibrillar network is a characteristic feature of CCML of plant cell walls that is clearly visible prior to lignification of this cell wall region, but becomes invisible after the deposition of lignin.
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©2015 by De Gruyter
Articles in the same Issue
- Frontmatter
- Original Articles
- Influence of spruce xylan characteristics on tensile strength of spruce kraft pulp
- Evidence for a very slow disaggregation of lignosulfonates
- Slow relaxation mode of sodium lignosulfonate in saline solutions
- Influence of carboxylic group content on the solution behavior of carboxymethylated lignin (CML) in water
- Chemithermomechanical and kraft pulping of Pinus radiata wood chips after the hydrothermal extraction of hemicelluloses
- In-plane shear strength of paper measured by asymmetric four-point bending test
- Strain distribution and load transfer in the polymer-wood particle bond in wood plastic composites
- Structural changes in spruce wood during different steps of steam explosion pretreatment
- A critical review of the multilayer sorption models and comparison with the sorption site occupancy (SSO) model for wood moisture sorption isotherm analysis
- Hygric properties of Norway spruce and sycamore after incubation with two white rot fungi
- On-line monitoring of hygroscopicity and dimensional changes of wood during thermal modification by means of neutron imaging methods
- Influence of blue stain on density and dimensional stability of Pinus radiata timber from northern Galicia (Spain)
- Bacterial and abiotic decay in waterlogged archaeological Picea abies (L.) Karst studied by confocal Raman imaging and ATR-FTIR spectroscopy
- Effects of vitamin E combined with antioxidants on wood flour/polypropylene composites during accelerated weathering
- Short Note
- Tensile behaviour and fracture mechanism of moso bamboo (Phyllostachys pubescens)
- Lignin masks the presence of fibrillar network structure in the cell corner middle lamella (CCML)
Articles in the same Issue
- Frontmatter
- Original Articles
- Influence of spruce xylan characteristics on tensile strength of spruce kraft pulp
- Evidence for a very slow disaggregation of lignosulfonates
- Slow relaxation mode of sodium lignosulfonate in saline solutions
- Influence of carboxylic group content on the solution behavior of carboxymethylated lignin (CML) in water
- Chemithermomechanical and kraft pulping of Pinus radiata wood chips after the hydrothermal extraction of hemicelluloses
- In-plane shear strength of paper measured by asymmetric four-point bending test
- Strain distribution and load transfer in the polymer-wood particle bond in wood plastic composites
- Structural changes in spruce wood during different steps of steam explosion pretreatment
- A critical review of the multilayer sorption models and comparison with the sorption site occupancy (SSO) model for wood moisture sorption isotherm analysis
- Hygric properties of Norway spruce and sycamore after incubation with two white rot fungi
- On-line monitoring of hygroscopicity and dimensional changes of wood during thermal modification by means of neutron imaging methods
- Influence of blue stain on density and dimensional stability of Pinus radiata timber from northern Galicia (Spain)
- Bacterial and abiotic decay in waterlogged archaeological Picea abies (L.) Karst studied by confocal Raman imaging and ATR-FTIR spectroscopy
- Effects of vitamin E combined with antioxidants on wood flour/polypropylene composites during accelerated weathering
- Short Note
- Tensile behaviour and fracture mechanism of moso bamboo (Phyllostachys pubescens)
- Lignin masks the presence of fibrillar network structure in the cell corner middle lamella (CCML)