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Abscisic Acid - Europe PMC

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Last Updated: 15 November 2022

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Exogenous abscisic acid alleviates Cd toxicity in Arabidopsis thaliana by inhibiting Cd uptake, translocation and accumulation, and promoting Cd chelation and efflux

Exogenous abscisic acid has been implicated in plant reactions to cadmium stress, but the root cause remains uncertain. In a word, we find that exogenous ABA reduces Cd toxicity in Arabidopsis thaliana by reducing Cd uptake, translocation, and accumulation, as well as Cd chelation and efflux, a pathway that may not be controlled by ABI4.

Source link: https://europepmc.org/article/MED/IND607936492


Central injection of abscisic acid attenuates mood disorders induced by subchronic stress in male mice.

Stressful life raises the risk of mental and emotional disorders, as well as cognitive deficits. Abscisic acid is a plant hormone that has been recently found in mammalians. This research was conducted to determine the effects of ABA microinjection on depression, anxiety, passive avoidance learning, and memory deficits caused by subchronic stress. The ABA was administered a week after recovery was complete for four days in a row. According to the study, ABA might reduce anxiety and depression caused by FST. Taken together, the findings reveal that ABA might reduce anxiety and depression caused by suboptinic stress.

Source link: https://europepmc.org/article/MED/36355391


Clover Root Uptake of Cereal Benzoxazinoids (BXs) Caused Accumulation of BXs and BX Transformation Products Concurrently with Substantial Increments in Clover Flavonoids and Abscisic Acid.

To clarify the root of BXs in white clover and the effects of absorption of BXs on intrinsic clover secondary metabolites, a targeted mass spectrometry-based metabolomics research was conducted. For three weeks, Clover plants grew in a medium that contained 100 %u03bcM of individual BXs. The parent compounds and a variety of transformation products were seen in the roots and shoots, with 2,4-dihydroxy-1,4-one, 2-hydroxy-1,4-one, 2-hydroxy-1,4-benzoxazin-3-one, and 2-u03b2-d-glucopyranosyloxy-1,4-one, The origins of BXs alters the composition of intrinsic clover secondary metabolites.

Source link: https://europepmc.org/article/MED/36350751


High abscisic acid and low root hydraulic conductivity may explain low leaf hydration in 'Mandarin' lime exposed to aluminum.

We asked whether low leaf hydration occurred before or after root growth of Citrus x limonia cultivated for 60 days in a nutrient solution with 0 to 1,480 bcM Al. Estimated gs was lower than control plants from 3 DAT, total plant transpiration, and root hydraulic conductivity, at 7 DAT, and predawn leaf water potential and relative leaf water content at 15 DAT, as at the conclusion of the investigation. As ABA in leaves approached target values for control plants after 15 DAT, we suggest that low gs of plants exposed to Al are primarily caused by ABA, and that poor gs may have been attributed to low Lpr from 7 to the end of the study.

Source link: https://europepmc.org/article/MED/36349691


Activated abscisic acid pathway and C4 pathway, inhibited cell cycle progression, responses of Ulva prolifera to short term high temperature elucidated by multi-omics.

Ulva prolifera, which is identified as the most common species of green tides, is influenced by temperatures. At 30 u00b0C in the study, an Omics-based technology was used to analyze U. prolifera under 12 h of care at 30 u00b0C. In response to high-temperature stress, the C4 pathway was triggered in U. prolifera and may play a significant role in photosynthesis. Besides, amino acids metabolizing amino acids in the United States were also present. In the transcriptome and proteome, high temperature inhibited genes and proteins relating to DNA replication and cell cycle, as well as the growth and reproduction of U. prolifera.

Source link: https://europepmc.org/article/MED/36371952


Advances in mass spectrometry-based phosphoproteomics for elucidating abscisic acid signaling and plant responses to abiotic stress.

Even though major efforts in recent years have been devoted to discovering the key signaling pathways related to plant chemistry and abiotic stress, most crops' abiotic stress signaling pathways are still unclear. SNF1-related kinases 2 are not only inhibited by dephosphorylation by clade A type 2C protein phosphatases, but also phosphorylated and stimulated by upstream mitochondrial kinase kinases.

Source link: https://europepmc.org/article/MED/35959917


Developing a hybrid technique to optimize abscisic acid concentration in a saline condition: A multi-objective strategy to improve strawberry phenolic acids and growth factors

The current study sought to develop strawberry phenolic acid concentrations and growth factors, as well as a novel approach to reduce abscisic acid concentration in saline conditions and increase strawberry phenolic acids concentration and growth factors. In the presence of 26. 12 ABA and 7. 73 mg 100 g, u207b9 EA under gradual salt stress, the highest amounts of phenolic acids and growth factors of strawberry fruits based on point optimization were discovered in the absence of 6. 12 g/u00b9 g/u207b. u201bb9 ABA and 7. 73 mg 100 g/u201b9;u00b9 bu00b9 gu2019 EA under g u201b9 u00b9 gu00b9 g/u00b9 g b9 u207b9 gu00b9 b9 gu00b9 g u00b9 gu00b9 b9 gu00b9 b9 gu00b9 b9 According to the simultaneous analysis of point optimization and region optimization, the best ranges of ABA and EA were 9. 7 billion u00b9 and 5. 8 mg 100 g u00b9 DW, respectively.

Source link: https://europepmc.org/article/MED/IND607518586


Genome-Wide Identification, Expression and Interaction Analysis of GmSnRK2 and Type A PP2C Genes in Response to Abscisic Acid Treatment and Drought Stress in Soybean Plant.

As a common ancient tetraploid, soybean is a vital oil crop species and plays a vital role in worldwide supply of edible oil, plant protein, and animal fodder. As global warming increases, the yield of soybean in the field is often severely limited by drought hardship. Here, we cloned the GmSnRK2s and GmPP2C-A family genes from Williams 82 soybean's reference genome. GmSnRK2s expression in reaction to ABA and drought signals is not necessarily the same as that of Arabidopsis SnRK2 homologous genes. In addition, miRNA and confirmed GmSnRK s and GmSnRK s were both screened by miRNA and confirmed by degradome sequencing, which may have multiple roles in the crosstalk between ABA and drought signals and other stress signals.

Source link: https://europepmc.org/article/MED/36361951


Abscisic Acid May Play a Critical Role in the Moderating Effect of Epichloƫ Endophyte on Achnatherum inebrians under Drought Stress.

DHG plants grown under 20% and 60% soil water conditions, as well as distilled water, respectively; and sprayed with ABA solution; fluridone, the ABA biosynthesis inhibitor product; and distilled water; to better understand how the Epichlou00eb endophyte improves drought tolerance. ABA is therefore responsible for the moderating effect of Epichlou00eb endophytes on DHG plants exposed to drought by maintaining growth and improving photosynthetic quality, according to this review.

Source link: https://europepmc.org/article/MED/36354907


ZmLBD5, a class-II LBD gene, negatively regulates drought tolerance by impairing abscisic acid synthesis.

Specifically plant-specific transcription factors are plant-specific transcription factors. Organ members have been widely demonstrated to play pivotal roles in organ formation; however, information on class-III members is lacking; however, information on class-III members is limited. The TPS-KB-GA2ox gene module, which encodes primary enzymatic genes upstream of GA and ABA biosynthesis, is mainly involved in its oversight. Moreover, lbd5 has higher grain yield under drought stress and no penalty in well watered areas than the wild variety. On the whole, ZmLBD5 is a negative regulator in maize drought tolerance, and it can be a potentially useful target for drought resistance breeding.

Source link: https://europepmc.org/article/MED/36305873

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions