Chapter title |
Plant Nitric Oxide
|
---|---|
Chapter number | 4 |
Book title |
Plant Nitric Oxide
|
Published in |
Methods in molecular biology, January 2016
|
DOI | 10.1007/978-1-4939-3600-7_4 |
Pubmed ID | |
Book ISBNs |
978-1-4939-3598-7, 978-1-4939-3600-7
|
Authors |
Wany, Aakanksha, Gupta, Kapuganti Jagadis, Aakanksha Wany, Kapuganti Jagadis Gupta |
Abstract |
Nitric oxide is a free radical signal molecule. Various methods are available for measurement of NO. Out of all methods, fluorescent probes to localize NO is very widely used method. Diaminofluorescein in diacetate form (DAF-2DA) is most widely probe for NO measurement. This method is based on application of 4,5-diaminofluorescein diacetate (DAF-2DA) which is actively diffused into cells, once taken up by cells cytoplasmic esterases cleave the acetate groups to generate 4,5-diaminofluorescein; DAF-2. The generated DAF-2 can readily react with N2O3, which is an oxidation product of NO to generate the highly fluorescent DAF-2T (triazolofluorescein). There are various advantages and disadvantages associated with this method, but to its advantage in diffusion closely to NO producing sites, it is widely used for localization studies. Here, we describe method to make sections of the roots and localization of NO in roots subjected to hypoxic stress. |
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