glycoside hydrolase activities in cell walls of sclerenchyma cells in the inflorescence stems of arabidopsis thaliana visualized in situ
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ID: 174672
2014
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Abstract
Techniques for in situ localization of gene products provide indispensable information for understanding biological function. In the case of enzymes, biological function is directly related to activity, and therefore, knowledge of activity patterns is central to understanding the molecular controls of plant development. We have previously developed a novel type of fluorogenic substrate for revealing glycoside hydrolase activity in planta, based on resorufin β-glycosides Here, we explore a wider range of such substrates to visualize glycoside hydrolase activities in Arabidopsis inflorescence stems in real time, especially highlighting distinct distribution patterns of these activities in the secondary cell walls of sclerenchyma cells. The results demonstrate that β-1,4-glucosidase, β-1,4-glucanase and β-1,4-galactosidase activities accompany secondary wall deposition. In contrast, xyloglucanase activity follows a different pattern, with the highest signal observed in mature cells, concentrated in the middle lamella. These data further the understanding of the process of cell wall deposition and function in sclerenchymatic tissues of plants.
| Reference Key |
banasiak2014plantsglycoside
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|---|---|
| Authors | ;Alicja Banasiak;Farid M. Ibatullin;Harry Brumer;Ewa J. Mellerowicz |
| Journal | pharmaceutical sciences |
| Year | 2014 |
| DOI |
10.3390/plants3040513
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