A new approach to the investigation on the tonogenic groups of root cell walls

Author(s):  
N. R. Meychik ◽  
I. P. Yermakov
2019 ◽  
Vol 239 ◽  
pp. 10-17 ◽  
Author(s):  
Kristína Šípošová ◽  
Karin Kollárová ◽  
Desana Lišková ◽  
Zuzana Vivodová

1979 ◽  
Vol 6 (2) ◽  
pp. 201 ◽  
Author(s):  
MM Smith ◽  
TP O'brien

In the wheat root, peroxidases and esterases specific for a-naphthyl esters of acetate, propionate and butyrate are concentrated in cell walls, particularly the outer wall of epidermal cells undergoing extension. In contrast esterases specific for β-naphthyl esters of propionate and butyrate were intra- cellular and concentrated in epidermal and outer root-cap cells of the wheat root. Both α-naphthyl and β-naphthyl esters of longer-chain fatty acids proved to be poor substrates. The esterases and peroxidases associated with the outer epidermal wall may well be involved in turnover of phenolic acids cross-linked to polysaccharides. In this regard, ferulic acid and diferulate were shown to be constituents of wheat-root cell walls. The distribution of these substances can also be inferred from autofluorescence. Treatment with a commercial pig-liver esterase was without effect on the auto- fluorescence of the root cell-walls. Culture filtrates from Gaeumannomyces graminis did remove significant amounts of autofluorescent wall material. These preparations contained α-naphthyl acetate esterase as well as many polysaccharide hydrolase activities.


2020 ◽  
Vol 26 (S2) ◽  
pp. 348-351
Author(s):  
Timothy Pegg ◽  
Daniel Gladish ◽  
Richard Edelmann ◽  
Robert Baker

Pedosphere ◽  
2020 ◽  
Vol 30 (3) ◽  
pp. 426-432 ◽  
Author(s):  
Yan SUN ◽  
Hui YE ◽  
Zebin WEI ◽  
Xuhui KONG ◽  
Qitang WU
Keyword(s):  

Metallomics ◽  
2013 ◽  
Vol 5 (12) ◽  
pp. 1674 ◽  
Author(s):  
Alain Manceau ◽  
Alexandre Simionovici ◽  
Martine Lanson ◽  
Jonathan Perrin ◽  
Rémi Tucoulou ◽  
...  

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