نتایج جستجو برای: abscisic acid aba
تعداد نتایج: 750912 فیلتر نتایج به سال:
The present study was carried out to evaluate the effect of abscisic acid (ABA) and chlorocholine chloride (CCC) on growth, nodulation and changes in endogenous level of plant hormones indole acetic acid (IAA) and Gibberellic acid (GA) of mung bean grown under normal or water stress conditions. Two varieties (cv.NM 98 and cv.HCM 209) of mung bean were soaked in 10 M ABA or in chlorocholine chlo...
Abscisic acid (ABA) plays an important role in the regulation of several stress responses such as drought, high salinity and low temperature being also proved a key phytohormone for acquisition postharvest cold tolerance zucchini fruit. Therefore, it would be great interest to unravel mechanisms implicated ABA response, using metabolomic approach. The aim this work has been use combination tool...
Ethylene and abscisic acid (ABA) have compact effects on plant development and stress responses. It is not well understood about the mechanism of ABA modulation in ethylene biosynthesis. In our recent research, HY5-AtERF11 regulon was evidenced to connect the ABA action and ethylene biosynthesis. In this paper, by analyzing the expression of ABA biosynthesis genes and the ABA concentration in e...
Type 2C protein phosphatases (PP2Cs) are vitally involved in abscisic acid (ABA) signaling. Here, we show that a synthetic growth inhibitor called pyrabactin functions as a selective ABA agonist. Pyrabactin acts through PYRABACTIN RESISTANCE 1 (PYR1), the founding member of a family of START proteins called PYR/PYLs, which are necessary for both pyrabactin and ABA signaling in vivo. We show tha...
The role of abscisic acid (ABA) during postharvest ripening peaches remains unclear. This study aimed to investigate the temporal and tissue-specific changes in ABA, ABA catabolites, two flat peach cultivars, ‘Plane Sun’ ‘Platibell’, stone fruit supply chain. relationship between catabolism, ethylene production, individual sugar firmness was also studied. We found that can produce metabolise ri...
Detached broad bean (Vicia faba L.) leaflets were water stressed; within 15 minutes, guard-cell abscisic acid (ABA) concentration increased ninefold. This result eliminates the apparent discrepancy raised by reports of no correlation between initial water-stress effects on stomata and leaf ABA concentration. Six hours after stress relief, guard-cell ABA concentration was near the prestress valu...
We enlarged the uniconazole (UNI) molecule to find a specific inhibitor of abscisic acid (ABA) 8'-hydroxylase, and synthesized various UNI derivatives that were substituted with hydrophilic and hydrophobic groups at the 4-chlorine of the phenyl group of UNI using click chemistry. Considering its potency in ABA 8'-hydroxylase inhibition, its small effect on seedling growth, and its ease of appli...
2',3'-iso-Benzoabscisic acid (iso-PhABA), an excellent selective abscisic acid (ABA) analog, was developed in our previous work. In order to find its more structure-activity information, some structural modifications were completed in this paper, including the substitution of phenyl ring and replacing the ring with heterocycles. Thus, 16 novel analogs of iso-PhABA were synthesized and screened ...
Using a newly developed abscisic acid (ABA)-affinity chromatography technique, we showed that the magnesium-chelatase H subunit ABAR/CHLH (for putative abscisic acid receptor/chelatase H subunit) specifically binds ABA through the C-terminal half but not the N-terminal half. A set of potential agonists/antagonists to ABA, including 2-trans,4-trans-ABA, gibberellin, cytokinin-like regulator 6-be...
The activation of the abscisic acid (ABA) signaling pathway reduces water loss from plants challenged by drought stress. The effect of drought-induced ABA signaling on the defense and nutrition allocation of plants is largely unknown. We postulated that these changes can affect herbivorous insects. We studied the effects of drought on different feeding stages of pea aphids in the wild-type A17 ...
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