نتایج جستجو برای: jasmonates
تعداد نتایج: 346 فیلتر نتایج به سال:
Abstract Biochar applicability as culture medium amendment is rarely investigated due to its uncovered impact on in vitro cultured plants. This study assessed the feasibility of several biochars alternatives activated charcoal, for micropropagation two ornamental Daphne species (Thymelaeaceae). We distinguished metabolic responses that were specific for: a) supplementation with any type charcoa...
Oxidative stress and hormonal regulation are hallmarks of a/biotic responses in plants. However, little is known about their linkage with whole-organismal mortality long-lived species. Here, we examined the validity photo-oxidative markers stress-related phytohormones as predictive proxies risk perennial herb Plantago lanceolata. Capitalizing on its broad ecological niche, (Fv/Fm ratio, content...
Allene oxide cyclase (EC ) catalyzes the stereospecific cyclization of an unstable allene oxide to (9S,13S)-12-oxo-(10,15Z)-phytodienoic acid, the ultimate precursor of jasmonic acid. This dimeric enzyme has previously been purified, and two almost identical N-terminal peptides were found, suggesting allene oxide cyclase to be a homodimeric protein. Furthermore, the native protein was N-termina...
Jasmonic acid and related oxylipins are controversially discussed to be involved in regulating the initiation and progression of leaf senescence. To this end, we analyzed profiles of free and esterified oxylipins during natural senescence and upon induction of senescence-like phenotypes by dark treatment and flotation on sorbitol in Arabidopsis (Arabidopsis thaliana). Jasmonic acid and free 12-...
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