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Xylem parenchyma cell walls lack a gravitropic response in conifer compression wood

Authorized Users Only
2015
Authors
Donaldson, Lloyd
Nanayakkara, Bernadette
Radotić, Ksenija
Đikanović, Daniela
Mitrović, Aleksandra
Bogdanović Pristov, Jelena
Simonović Radosavljević, Jasna
Kalauzi, Aleksandar
Article (Published version)
Metadata
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Abstract
Cell wall fluorescence and immunocytochemistry demonstrate that xylem parenchyma cell walls do not show changes in structure and composition related to gravitropic response comparable to those of tracheids, even when they have lignified secondary cell walls. Tracheid cell walls in compression wood have altered composition and structure which generates the strain responsible for correction of stem lean as part of the gravitropic response of woody plants. Xylem parenchyma cell walls vary among conifer species and can be lignified secondary walls (spruce) or unlignified primary walls (pine). It can be expected that xylem parenchyma with lignified secondary cell walls might show features of compression wood comparable to those of tracheids that have a similar type of cell wall. A comparison of xylem parenchyma cell walls in normal and compression wood in species with lignified and non-lignified parenchyma cell walls provides a unique opportunity to understand the process of reaction wood f...ormation in conifers. Using both UV/visible fluorescence microscopy of cell wall fluorophores and immunocytochemistry of galactan and mannan epitopes, we demonstrate that xylem parenchyma cell walls do not show the changes in composition and structure typical of compression wood tracheids. Adjacent cells of different types but with similar cell wall structure can undergo cell wall developmental changes related to support or defence functions independent of their neighbours. Tracheids are sensitive to gravitropic signals while xylem parenchyma cells are not.

Keywords:
Xylem parenchyma / Suberin / Mannan / Lignification / Galactan / Compression wood / Cell wall
Source:
Planta, 2015, 242, 6, 1413-1424
Publisher:
  • Springer, New York
Funding / projects:
  • Study of structure-function relationships in the plant cell wall and modifications of the wall structure by enzyme engineering (RS-173017)
  • New Zealand Ministry of Business Innovation and EmploymentNew Zealand Ministry of Business, Innovation and Employment (MBIE)

DOI: 10.1007/s00425-015-2381-6

ISSN: 0032-0935

PubMed: 26287313

WoS: 000363042600011

Scopus: 2-s2.0-84944352247
[ Google Scholar ]
14
6
URI
http://rimsi.imsi.bg.ac.rs/handle/123456789/844
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za multidisciplinarna istraživanja
TY  - JOUR
AU  - Donaldson, Lloyd
AU  - Nanayakkara, Bernadette
AU  - Radotić, Ksenija
AU  - Đikanović, Daniela
AU  - Mitrović, Aleksandra
AU  - Bogdanović Pristov, Jelena
AU  - Simonović Radosavljević, Jasna
AU  - Kalauzi, Aleksandar
PY  - 2015
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/844
AB  - Cell wall fluorescence and immunocytochemistry demonstrate that xylem parenchyma cell walls do not show changes in structure and composition related to gravitropic response comparable to those of tracheids, even when they have lignified secondary cell walls. Tracheid cell walls in compression wood have altered composition and structure which generates the strain responsible for correction of stem lean as part of the gravitropic response of woody plants. Xylem parenchyma cell walls vary among conifer species and can be lignified secondary walls (spruce) or unlignified primary walls (pine). It can be expected that xylem parenchyma with lignified secondary cell walls might show features of compression wood comparable to those of tracheids that have a similar type of cell wall. A comparison of xylem parenchyma cell walls in normal and compression wood in species with lignified and non-lignified parenchyma cell walls provides a unique opportunity to understand the process of reaction wood formation in conifers. Using both UV/visible fluorescence microscopy of cell wall fluorophores and immunocytochemistry of galactan and mannan epitopes, we demonstrate that xylem parenchyma cell walls do not show the changes in composition and structure typical of compression wood tracheids. Adjacent cells of different types but with similar cell wall structure can undergo cell wall developmental changes related to support or defence functions independent of their neighbours. Tracheids are sensitive to gravitropic signals while xylem parenchyma cells are not.
PB  - Springer, New York
T2  - Planta
T1  - Xylem parenchyma cell walls lack a gravitropic response in conifer compression wood
EP  - 1424
IS  - 6
SP  - 1413
VL  - 242
DO  - 10.1007/s00425-015-2381-6
ER  - 
@article{
author = "Donaldson, Lloyd and Nanayakkara, Bernadette and Radotić, Ksenija and Đikanović, Daniela and Mitrović, Aleksandra and Bogdanović Pristov, Jelena and Simonović Radosavljević, Jasna and Kalauzi, Aleksandar",
year = "2015",
abstract = "Cell wall fluorescence and immunocytochemistry demonstrate that xylem parenchyma cell walls do not show changes in structure and composition related to gravitropic response comparable to those of tracheids, even when they have lignified secondary cell walls. Tracheid cell walls in compression wood have altered composition and structure which generates the strain responsible for correction of stem lean as part of the gravitropic response of woody plants. Xylem parenchyma cell walls vary among conifer species and can be lignified secondary walls (spruce) or unlignified primary walls (pine). It can be expected that xylem parenchyma with lignified secondary cell walls might show features of compression wood comparable to those of tracheids that have a similar type of cell wall. A comparison of xylem parenchyma cell walls in normal and compression wood in species with lignified and non-lignified parenchyma cell walls provides a unique opportunity to understand the process of reaction wood formation in conifers. Using both UV/visible fluorescence microscopy of cell wall fluorophores and immunocytochemistry of galactan and mannan epitopes, we demonstrate that xylem parenchyma cell walls do not show the changes in composition and structure typical of compression wood tracheids. Adjacent cells of different types but with similar cell wall structure can undergo cell wall developmental changes related to support or defence functions independent of their neighbours. Tracheids are sensitive to gravitropic signals while xylem parenchyma cells are not.",
publisher = "Springer, New York",
journal = "Planta",
title = "Xylem parenchyma cell walls lack a gravitropic response in conifer compression wood",
pages = "1424-1413",
number = "6",
volume = "242",
doi = "10.1007/s00425-015-2381-6"
}
Donaldson, L., Nanayakkara, B., Radotić, K., Đikanović, D., Mitrović, A., Bogdanović Pristov, J., Simonović Radosavljević, J.,& Kalauzi, A.. (2015). Xylem parenchyma cell walls lack a gravitropic response in conifer compression wood. in Planta
Springer, New York., 242(6), 1413-1424.
https://doi.org/10.1007/s00425-015-2381-6
Donaldson L, Nanayakkara B, Radotić K, Đikanović D, Mitrović A, Bogdanović Pristov J, Simonović Radosavljević J, Kalauzi A. Xylem parenchyma cell walls lack a gravitropic response in conifer compression wood. in Planta. 2015;242(6):1413-1424.
doi:10.1007/s00425-015-2381-6 .
Donaldson, Lloyd, Nanayakkara, Bernadette, Radotić, Ksenija, Đikanović, Daniela, Mitrović, Aleksandra, Bogdanović Pristov, Jelena, Simonović Radosavljević, Jasna, Kalauzi, Aleksandar, "Xylem parenchyma cell walls lack a gravitropic response in conifer compression wood" in Planta, 242, no. 6 (2015):1413-1424,
https://doi.org/10.1007/s00425-015-2381-6 . .

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