Abstract
A megathrust earthquake caused the Fukushima–Daiichi nuclear power plant accident, which dispersed abundant radioiodines, causing them to be bound to xyloglucan into forest trees. Nevertheless, targeted xyloglucan was found in increased quantities in the annual rings of forest trees affected by the earthquake. We propose that trees could acclimate rapidly to shaking stress through an increase in xyloglucan deposition as a plant response under natural phenomena.
Highlights
The earthquake and tsunami on 11 March 2011 led to a meltdown followed by a hydrogen explosion at the Fukushima–Daiichi nuclear power plant in Japan, causing the dispersal of abundant radionuclides into forests and local residences by gaseous or aerosol forms [1,2,3,4]
We showed that radioiodine-targeted xyloglucan was elevated in the annual rings of forest
We showed that radioiodine‐targeted xyloglucan was elevated in the annual rings of forest trees after a megathrust earthquake (Figure 2)
Summary
The earthquake and tsunami on 11 March 2011 led to a meltdown followed by a hydrogen explosion at the Fukushima–Daiichi nuclear power plant in Japan, causing the dispersal of abundant radionuclides into forests and local residences by gaseous or aerosol forms [1,2,3,4]. Xyloglucan is one of the major factors involved in wall loosening during plant cell elongation [5,6]; by this means, it reinforces wall structure during growth. This polysaccharide is believed to occur as a primary constituent of primary cell walls [7,8,9], where it binds to cellulose microfibrils through hydrogen [10,11,12] and hydrophobic [13] bonds and to pectin RG-1 (rhamnogalacturonan I) via galactan through covalent bonds [14,15]. This paper describes the effect of seismic stress on xyloglucan signals in forest trees
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