A bioassay for brassinosteroid activity based on the in vitro fluorimetric detection of nitric oxide production

Abstract Recent studies have shown that low concentrations of brassinolide induce a rapid generation of nitric oxide in mesophyll cells of maize leaves, which can be easily detected by fluorimetric methods. In this work we describe a series of natural and synthetic brassinosteroids that are able to...

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Autores principales: Tossi, V.E., Acebedo, S.L., Cassia, R.O., Lamattina, L., Galagovsky, L.R., Ramírez, J.A.
Formato: JOUR
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_0039128X_v102_n_p46_Tossi
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Sumario:Abstract Recent studies have shown that low concentrations of brassinolide induce a rapid generation of nitric oxide in mesophyll cells of maize leaves, which can be easily detected by fluorimetric methods. In this work we describe a series of natural and synthetic brassinosteroids that are able to trigger in vitro NO production in tomato cells that exhibits dose-response behavior. We propose that this effect can be used to develop a new rapid and very sensitive bioassay for brassinosteroid activity that offers several advantages when compared to the current methodologies. © 2015 Elsevier Inc.