A non-destructive selection method for resistance to fusicoccin in Arabidopsis thaliana |
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Authors: | I. Murgia P. Morandini A. Moroni C. Soave |
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Affiliation: | (1) Dipartimento di Biologia “L. Gorini”, Sezione di Fisiologia e Biochimica delle Piante, via Celoria 26, I-20133 Milan, Italy e-mail: Carlo.Soave@unimi.it Fax: +39-2-26604399, IT |
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Abstract: | A mutagenised population of seeds of Arabidopsis thaliana was allowed to germinate in the presence of the positively charged aminoglycoside hygromycin (4 μg/ml) and the fungal toxin fusicoccin (5×10–6 m). This hygromycin concentration, which is non-toxic by itself, becomes toxic when used together with fusicoccin, which stimulates cation uptake. Seeds that had germinated after 3–5 days and produced seedlings with green cotyledons were potentially resistant to fusicoccin and were therefore transferred into sterile Magenta vessels containing 1/2-strength Murashige and Skoog medium. This selection procedure is non-destructive, i.e. it allows the recovery of viable seedlings and their growth into adult plants thus permitting direct physiological characterisation. Received: 16 February 1998 / Revision received: 11 August 1998 / Accepted: 13 August 1998 |
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Keywords: | Fusicoccin Arabidopsis thaliana Selection method |
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