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

© 2015 The Authors. New Phytologist © 2015 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 209(2016), 4 vom: 04. März, Seite 1553-65
1. Verfasser: Morris, Hugh (VerfasserIn)
Weitere Verfasser: Plavcová, Lenka, Cvecko, Patrick, Fichtler, Esther, Gillingham, Mark A F, Martínez-Cabrera, Hugo I, McGlinn, Daniel J, Wheeler, Elisabeth, Zheng, Jingming, Ziemińska, Kasia, Jansen, Steven
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't angiosperms axial parenchyma conifers growth form mean annual precipitation mean annual temperature ray parenchyma secondary xylem
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520 |a 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 ± SD: 70.2 ± 22.0%), followed by lianas (50.1 ± 16.3%), angiosperm trees and shrubs (26.3 ± 12.4%), and conifers (7.6 ± 2.6%). Differences in RAP fraction between temperate and tropical angiosperm trees (21.1 ± 7.9% vs 36.2 ± 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 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a angiosperms 
650 4 |a axial parenchyma 
650 4 |a conifers 
650 4 |a growth form 
650 4 |a mean annual precipitation 
650 4 |a mean annual temperature 
650 4 |a ray parenchyma 
650 4 |a secondary xylem 
700 1 |a Plavcová, Lenka  |e verfasserin  |4 aut 
700 1 |a Cvecko, Patrick  |e verfasserin  |4 aut 
700 1 |a Fichtler, Esther  |e verfasserin  |4 aut 
700 1 |a Gillingham, Mark A F  |e verfasserin  |4 aut 
700 1 |a Martínez-Cabrera, Hugo I  |e verfasserin  |4 aut 
700 1 |a McGlinn, Daniel J  |e verfasserin  |4 aut 
700 1 |a Wheeler, Elisabeth  |e verfasserin  |4 aut 
700 1 |a Zheng, Jingming  |e verfasserin  |4 aut 
700 1 |a Ziemińska, Kasia  |e verfasserin  |4 aut 
700 1 |a Jansen, Steven  |e verfasserin  |4 aut 
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