Silicification of Root Tissues.

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ID: 83236
2020
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Abstract
Silicon (Si) is not considered an essential element, however, its tissue concentration can exceed that of many essential elements in several evolutionary distant plant species. Roots take up Si using Si transporters and then translocate it to aboveground organs. In some plant species, root tissues are also places where a high accumulation of Si can be found. Three basic modes of Si deposition in roots have been identified so far: (1) impregnation of endodermal cell walls (e.g., in cereals, such as (wheat)); (2) formation of Si-aggregates associated with endodermal cell walls (in the Andropogoneae family, which includes and (sugarcane)); (3) formation of Si aggregates in "stegmata" cells, which form a sheath around sclerenchyma fibers e.g., in some palm species ( (date palm)). In addition to these three major and most studied modes of Si deposition in roots, there are also less-known locations, such as deposits in xylem cells and intercellular deposits. In our research, the ontogenesis of individual root cells that accumulate Si is discussed. The documented and expected roles of Si deposition in the root is outlined mostly as a reaction of plants to abiotic and biotic stresses.
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lux2020silicificationplants Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Lux, Alexander;Lukačová, Zuzana;Vaculík, Marek;Švubová, Renáta;Kohanová, Jana;Soukup, Milan;Martinka, Michal;Bokor, Boris;
Journal Plants (Basel, Switzerland)
Year 2020
DOI E111
URL
Keywords
cell wall root silicon phytoliths abiotic and biotic stress endodermis silicon transporters

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