A Palette of Minimally Tagged Sucrose Analogues for Real-Time Raman Imaging of Intracellular Plant Metabolism.

A Palette of Minimally Tagged Sucrose Analogues for Real-Time Raman Imaging of Intracellular Plant Metabolism.
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DOI:
10.1002/anie.202016802
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发表时间:
2021-03-29
期刊:
Angewandte Chemie (International ed. in English)
影响因子:
--
通讯作者:
Vendrell M
Vendrell M
中科院分区:
其他
文献类型:
--
作者:
de Moliner F;Knox K;Gordon D;Lee M;Tipping WJ;Geddis A;Reinders A;Ward JM;Oparka K;Vendrell M

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Sucrose is the main saccharide used for long‐distance transport in plants and plays an essential role in energy metabolism; however, there are no analogues for real‐time imaging in live cells. We have optimised a synthetic approach to prepare sucrose analogues including very small (≈50 Da or less) Raman tags in the fructose moiety. Spectroscopic analysis identified the alkyne‐tagged compound 6 as a sucrose analogue recognised by endogenous transporters in live cells and with higher Raman intensity than other sucrose derivatives. Herein, we demonstrate the application of compound 6 as the first optical probe to visualise real‐time uptake and intracellular localisation of sucrose in live plant cells using Raman microscopy. We describe a chemical strategy to prepare sucrose derivatives with vibrational tags and the characterisation of the first optical analogue of sucrose able to image real‐time trafficking of sucrose in live plant cells.
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