کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
2056213 1075809 2012 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Salicylic acid is involved in the regulation of starvation stress-induced flowering in Lemna paucicostata
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک علوم زراعت و اصلاح نباتات
پیش نمایش صفحه اول مقاله
Salicylic acid is involved in the regulation of starvation stress-induced flowering in Lemna paucicostata
چکیده انگلیسی

The short-day plant, Lemna paucicostata (synonym Lemna aequinoctialis), was induced to flower when cultured in tap water without any additional nutrition under non-inductive long-day conditions. Flowering occurred in all three of the tested strains, and strain 6746 was the most sensitive to the starvation stress conditions. For each strain, the stress-induced flowering response was weaker than that induced by short-day treatment, and the stress-induced flowering of strain 6746 was completely inhibited by aminooxyacetic acid and l-2-aminooxy-3-phenylpropionic acid, which are inhibitors of phenylalanine ammonia-lyase. Significantly higher amounts of endogenous salicylic acid (SA) were detected in the fronds that flowered under the poor-nutrition conditions than in the vegetative fronds cultured under nutrition conditions, and exogenously applied SA promoted the flowering response. The results indicate that endogenous SA plays a role in the regulation of stress-induced flowering.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Plant Physiology - Volume 169, Issue 10, 1 July 2012, Pages 987–991
نویسندگان
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