Title: Quantitative Structure-property Relationship Studies on Amino Acid Conjugates of Jasmonic Acid as Defense Signalling Molecules Running title: QSPR of Amino Acid Conjugates of Jasmonic Acid
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The effect of salicylic acid and jasmonic acid on the symptoms of the disease and the expression of defense genes on a greenhouse cucumber infected with CMV
Cucumber is one of the most important vegetable and summer crops economically and is the fourth most cultivated plant in the world after tomatoes and potatoes. In this study, the effect of plant inducers including salicylic acid and jasmonic acid on the viral disease of greenhouse cucumber with Cucumber mosaic virus (CMV) and also the expression of defense genes was investigated. Treatments inc...
متن کاملComparisons of LIPOXYGENASE3- and JASMONATE-RESISTANT4/6-silenced plants reveal that jasmonic acid and jasmonic acid-amino acid conjugates play different roles in herbivore resistance of Nicotiana attenuata.
Whereas jasmonic acid (JA) and its amino acid conjugates, particularly JA-isoleucine (Ile), are known to play important roles in plant-herbivore interactions, whether other compounds also function as signals independently of JA-Ile and whether conjugates elicit systemic responses are unknown. To answer these questions, we simultaneously silenced JASMONATE-RESISTANT4 (JAR4) and JAR6, two functio...
متن کاملThe tryptophan conjugates of jasmonic and indole-3-acetic acids are endogenous auxin inhibitors.
Most conjugates of plant hormones are inactive, and some function to reduce the active hormone pool. This study characterized the activity of the tryptophan (Trp) conjugate of jasmonic acid (JA-Trp) in Arabidopsis (Arabidopsis thaliana). Unexpectedly, JA-Trp caused agravitropic root growth in seedlings, unlike JA or nine other JA-amino acid conjugates. The response was dose dependent from 1 to ...
متن کاملThe oxylipin signal jasmonic acid is activated by an enzyme that conjugates it to isoleucine in Arabidopsis.
Despite its importance in a variety of plant defense responses, our understanding of how jasmonic acid (JA) functions at the biochemical level is limited. Several amino acid conjugates of JA were tested for their ability to complement the JA-insensitive Arabidopsis thaliana mutant jar1-1. Unlike free JA, JA-Ile inhibited root growth in jar1-1 to the same extent as in the wild type, whereas JA-V...
متن کاملEffects of Jasmonic acid on essential oil yield and chemical compositions of two Iranian landraces of basil (Ocimum basilicum) under reduced irrigation
Background & Aim: Sweet basil (Ocimum basilicum), a plant that is extensively cultivated in some countries, is used to enhance the flavour of salads, sauces, pasta, confectioneries and other products as both a fresh and dried herb. The effect of foliar application of Jasmonic acid and reduced irrigation on essential oil yield and chemical components of two Iranian landrace of basil (<e...
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