A global analysis of parenchyma tissue fractions in secondary xylem of seed plants

Hugh Morris; Lenka Plavcova; Patrick Cvecko; Esther Fichtler; Mark A. F. Gillingham; Hugo I. Martinez-Cabrera; Daniel J. Mcglinn; Elisabeth Wheeler; Jingming Zheng; Kasia Zieminska; Steven Jansen

doi:10.1111/nph.13737

A global analysis of parenchyma tissue fractions in secondary xylem of seed plants

Hugh Morris, Lenka Plavcova, Patrick Cvecko, Esther Fichtler, Mark A. F. Gillingham, Hugo I. Martinez-Cabrera, Daniel J. Mcglinn, Elisabeth Wheeler, Jingming Zheng, Kasia Zieminska, Steven Jansen

Western Sydney University

Research output: Contribution to journal › Article › peer-review

227 Citations (Scopus)

Abstract

Parenchyma is an important tissue in secondary xylem of seed plants, with functions ranging from storage to defence and with effects on the physical and mechanical properties of wood. Currently, we lack a large-scale quantitative analysis of ray parenchyma (RP) and axial parenchyma (AP) tissue fractions. Here, we use data from the literature on AP and RP fractions to investigate the potential relationships of climate and growth form with total ray and axial parenchyma fractions (RAP). We found a 29-fold variation in RAP fraction, which was more strongly related to temperature than with precipitation. Stem succulents had the highest RAP values (mean Â± SD: 70.2 Â± 22.0%), followed by lianas (50.1 Â± 16.3%), angiosperm trees and shrubs (26.3 Â± 12.4%), and conifers (7.6 Â± 2.6%). Differences in RAP fraction between temperate and tropical angiosperm trees (21.1 Â± 7.9% vs 36.2 Â± 13.4%, respectively) are due to differences in the AP fraction, which is typically three times higher in tropical than in temperate trees, but not in RP fraction. Our results illustrate that both temperature and growth form are important drivers of RAP fractions. These findings should help pave the way to better understand the various functions of RAP in plants.

Original language	English
Pages (from-to)	1553-1565
Number of pages	13
Journal	New Phytologist
Volume	209
Issue number	4
DOIs	https://doi.org/10.1111/nph.13737
Publication status	Published - 2016

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© 2015 New Phytologist Trust. This is an open access article under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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title = "A global analysis of parenchyma tissue fractions in secondary xylem of seed plants",

abstract = "Parenchyma is an important tissue in secondary xylem of seed plants, with functions ranging from storage to defence and with effects on the physical and mechanical properties of wood. Currently, we lack a large-scale quantitative analysis of ray parenchyma (RP) and axial parenchyma (AP) tissue fractions. Here, we use data from the literature on AP and RP fractions to investigate the potential relationships of climate and growth form with total ray and axial parenchyma fractions (RAP). We found a 29-fold variation in RAP fraction, which was more strongly related to temperature than with precipitation. Stem succulents had the highest RAP values (mean {\^A}± SD: 70.2 {\^A}± 22.0%), followed by lianas (50.1 {\^A}± 16.3%), angiosperm trees and shrubs (26.3 {\^A}± 12.4%), and conifers (7.6 {\^A}± 2.6%). Differences in RAP fraction between temperate and tropical angiosperm trees (21.1 {\^A}± 7.9% vs 36.2 {\^A}± 13.4%, respectively) are due to differences in the AP fraction, which is typically three times higher in tropical than in temperate trees, but not in RP fraction. Our results illustrate that both temperature and growth form are important drivers of RAP fractions. These findings should help pave the way to better understand the various functions of RAP in plants.",

author = "Hugh Morris and Lenka Plavcova and Patrick Cvecko and Esther Fichtler and Gillingham, {Mark A. F.} and Martinez-Cabrera, {Hugo I.} and Mcglinn, {Daniel J.} and Elisabeth Wheeler and Jingming Zheng and Kasia Zieminska and Steven Jansen",

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doi = "10.1111/nph.13737",

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AU - Morris, Hugh

AU - Plavcova, Lenka

AU - Cvecko, Patrick

AU - Fichtler, Esther

AU - Gillingham, Mark A. F.

AU - Martinez-Cabrera, Hugo I.

AU - Mcglinn, Daniel J.

AU - Wheeler, Elisabeth

AU - Zheng, Jingming

AU - Zieminska, Kasia

AU - Jansen, Steven

PY - 2016

Y1 - 2016

N2 - Parenchyma is an important tissue in secondary xylem of seed plants, with functions ranging from storage to defence and with effects on the physical and mechanical properties of wood. Currently, we lack a large-scale quantitative analysis of ray parenchyma (RP) and axial parenchyma (AP) tissue fractions. Here, we use data from the literature on AP and RP fractions to investigate the potential relationships of climate and growth form with total ray and axial parenchyma fractions (RAP). We found a 29-fold variation in RAP fraction, which was more strongly related to temperature than with precipitation. Stem succulents had the highest RAP values (mean Â± SD: 70.2 Â± 22.0%), followed by lianas (50.1 Â± 16.3%), angiosperm trees and shrubs (26.3 Â± 12.4%), and conifers (7.6 Â± 2.6%). Differences in RAP fraction between temperate and tropical angiosperm trees (21.1 Â± 7.9% vs 36.2 Â± 13.4%, respectively) are due to differences in the AP fraction, which is typically three times higher in tropical than in temperate trees, but not in RP fraction. Our results illustrate that both temperature and growth form are important drivers of RAP fractions. These findings should help pave the way to better understand the various functions of RAP in plants.

AB - Parenchyma is an important tissue in secondary xylem of seed plants, with functions ranging from storage to defence and with effects on the physical and mechanical properties of wood. Currently, we lack a large-scale quantitative analysis of ray parenchyma (RP) and axial parenchyma (AP) tissue fractions. Here, we use data from the literature on AP and RP fractions to investigate the potential relationships of climate and growth form with total ray and axial parenchyma fractions (RAP). We found a 29-fold variation in RAP fraction, which was more strongly related to temperature than with precipitation. Stem succulents had the highest RAP values (mean Â± SD: 70.2 Â± 22.0%), followed by lianas (50.1 Â± 16.3%), angiosperm trees and shrubs (26.3 Â± 12.4%), and conifers (7.6 Â± 2.6%). Differences in RAP fraction between temperate and tropical angiosperm trees (21.1 Â± 7.9% vs 36.2 Â± 13.4%, respectively) are due to differences in the AP fraction, which is typically three times higher in tropical than in temperate trees, but not in RP fraction. Our results illustrate that both temperature and growth form are important drivers of RAP fractions. These findings should help pave the way to better understand the various functions of RAP in plants.

UR - https://hdl.handle.net/1959.7/uws:72781

U2 - 10.1111/nph.13737

DO - 10.1111/nph.13737

M3 - Article

SN - 0028-646X

VL - 209

SP - 1553

EP - 1565

JO - New Phytologist

JF - New Phytologist

IS - 4

ER -

A global analysis of parenchyma tissue fractions in secondary xylem of seed plants

Abstract

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