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Extracellular diffusion pathway for heartwood substances in Albizia julibrissin Durazz.

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Published/Copyright: June 1, 2005
Holzforschung
From the journal Volume 58 Issue 5

Abstract

A three-dimensional network of intercellular spaces, deemed an extracellular diffusion pathway for heartwood substances, was detected in Albizia julibrissin. Electron microscopy revealed a large number of blind pits in ray parenchyma cells, most facing intercellular spaces. Heartwood substances, which are synthesized in the ray parenchyma cells, are released not only into neighboring cells through pit pairs, but also into the intercellular spaces through the blind pits. There were two types of wood fiber in the heartwood region: one with a lumen surface lined with heartwood substances and one that lacked such lining on its lumen surface. This finding supports the observation that the cellular distribution of heartwood substances is not homogenous throughout the heartwood. There was no positive correlation, however, between this uneven distribution and the distance of a wood fiber from the ray.

Keywords: Albizia julibrissin; blind pit; diffusion pathway; heartwood substances; intercellular space; resin cast replica; three-dimensional network
:
Corresponding author. Laboratory of Tree Cell Biology, Division of Forest and Biomaterials Science, Graduate School of Agriculture, Kyoto University, Kitashirakawa-Oiwake-cho, Sakyo-ku, Kyoto 606-8502, Japan. Fax: +81-75-753-6300, E-mail:

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Published Online: 2005-06-01
Published in Print: 2004-08-01

© Walter de Gruyter

Articles in the same Issue

  1. The effects of initial spacing on wood density, fibre and pulp properties in jack pine (Pinus banksiana Lamb.)
  2. An improved procedure for isolation of residual lignins from hardwood kraft pulps
  3. Small angle scattering in the Porod region from hydrated paper sheets at varying humidities
  4. Application of confocal Raman spectroscopy for the topochemical distribution of lignin and cellulose in plant cell walls of beech wood (Fagus sylvatica L.) compared to UV microspectrophotometry
  5. UV-microscopic analysis of acetylated spruce and birch cell walls
  6. On-line study of lignin behaviour in dilute alkaline solution by the SEC-UV method
  7. Extracellular diffusion pathway for heartwood substances in Albizia julibrissin Durazz.
  8. New glucosides from Eucalyptus globulus wood, bark and kraft pulps
  9. Nondestructive characterization of wood by monitoring of local elastic anisotropy and dynamic nonlinearity
  10. Chemical reaction of maritime pine sapwood (Pinus pinaster Soland) with alkoxysilane molecules: A study of chemical pathways
  11. Thermal forming of chemically modified wood to make high-performance plastic-like wood composites
  12. Eco-composite from poly(lactic acid) and bamboo fiber
  13. Bamboo fiber (BF)-filled poly(butylenes succinate) bio-composite – Effect of BF-e-MA on the properties and crystallization kinetics
  14. Dimensional changes in Corsican pine (Pinus nigra Arnold) modified with acetic anhydride measured using a helium pycnometer
  15. Microwave-enhanced release of formaldehyde from plywood
  16. Artificial weathering of tropical woods. Part 1: Changes in wettability
  17. Artificial weathering of tropical woods. Part 2: Color change
  18. Inhibition of fungal degradation of wood by 2-hydroxypyridine-N-oxide
  19. Microwave treatment to accelerate fixation of copper-ethanolamine (Cu-EA) treated wood
https://doi.org/10.1515/HF.2004.075
Keywords for this article
Albizia julibrissin; blind pit; diffusion pathway; heartwood substances; intercellular space; resin cast replica; three-dimensional network

Articles in the same Issue

  1. The effects of initial spacing on wood density, fibre and pulp properties in jack pine (Pinus banksiana Lamb.)
  2. An improved procedure for isolation of residual lignins from hardwood kraft pulps
  3. Small angle scattering in the Porod region from hydrated paper sheets at varying humidities
  4. Application of confocal Raman spectroscopy for the topochemical distribution of lignin and cellulose in plant cell walls of beech wood (Fagus sylvatica L.) compared to UV microspectrophotometry
  5. UV-microscopic analysis of acetylated spruce and birch cell walls
  6. On-line study of lignin behaviour in dilute alkaline solution by the SEC-UV method
  7. Extracellular diffusion pathway for heartwood substances in Albizia julibrissin Durazz.
  8. New glucosides from Eucalyptus globulus wood, bark and kraft pulps
  9. Nondestructive characterization of wood by monitoring of local elastic anisotropy and dynamic nonlinearity
  10. Chemical reaction of maritime pine sapwood (Pinus pinaster Soland) with alkoxysilane molecules: A study of chemical pathways
  11. Thermal forming of chemically modified wood to make high-performance plastic-like wood composites
  12. Eco-composite from poly(lactic acid) and bamboo fiber
  13. Bamboo fiber (BF)-filled poly(butylenes succinate) bio-composite – Effect of BF-e-MA on the properties and crystallization kinetics
  14. Dimensional changes in Corsican pine (Pinus nigra Arnold) modified with acetic anhydride measured using a helium pycnometer
  15. Microwave-enhanced release of formaldehyde from plywood
  16. Artificial weathering of tropical woods. Part 1: Changes in wettability
  17. Artificial weathering of tropical woods. Part 2: Color change
  18. Inhibition of fungal degradation of wood by 2-hydroxypyridine-N-oxide
  19. Microwave treatment to accelerate fixation of copper-ethanolamine (Cu-EA) treated wood
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