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Abscisic Acid - Crossref

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Last Updated: 15 November 2022

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Abscisic acid metabolism pathways differ between grapevine species, leaves, and roots during water deficit

In leaves and roots of four Vitis species with differing drought tolerance, such as Vitis vinifera, Vitis champinii, Vitis riparia, Vitis riparia, and Vitis vinifera x girdiana were discovered. The abundance of NCED3 transcripts and ABA concentration in drought-tolerant Ramsey increased earlier and to a greater extent than other species. These species provide valuable genetic information to investigate ABA metabolism and drought tolerance further.

Source link: https://doi.org/10.20870/oeno-one.2022.56.4.5483


Rose WRKY13 promotes disease protection to Botrytis by enhancing cytokinin content and reducing abscisic acid signaling

Rose petals are particularly vulnerable to gray mold disease caused by the necrotrophic fungal pathogen Botrytis cinerea. Rose petals in B. cinerea's infection lead to tissue decay and rot, resulting in significant economic losses. CK and ABA both played contradictory roles in the susceptibility of rise to B. cinerea, according to this report. The disease immunity of rose petals to B. cinerea improved with CK treatment, according to ABA, which promoted disease progression. Rosa hybrida WRKY13, an ortholog of Arabidopsis, AtWRKY40, is an ortholog of Arabidopsis, AtWRKY40, which is an ortholog of Arabidopsis, AtWRKY40. We also showed that rose flowers provided CK-mediated disease defense by a B. cinerea-induced rose transcriptional repressor, AtWRKY40. B. cinerea's increased CK content and reduced ABA responses resulted in improved protection from B. cinerea's increased reliance. These results support different roles for CK and ABA in the susceptibility of rose petals against B. cinerea infection, which is mediated by B. cinerea-induced RhWRKY13 expression.

Source link: https://doi.org/10.1093/plphys/kiac495


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 significant oil crop species and plays a significant role in the production of edible oil, plant protein, and animal fodder around the world. As a typical ancient tetraploid, it is a common agricultural crop species. As global warming increases, the yield of soybean in the field is often severely restricted by drought stress. SNF1-related protein kinase 2 and type A protein phosphatase 2C family members are key components of the plant-to-drainage pathway, and they have been shown to play important roles in plant tolerance to drought stress, but genetic evidence supporting this theory is still lacking in soybean. Here, we cloned the GmSnRK2s and GmPP2C-A family genes from Williams 82 soybean's reference genome. The expression of GmSnRK2s in reaction to ABA and drought signals is not consistently similar to that of Arabidopsis SnRK2 homologous genes.

Source link: https://doi.org/10.3390/ijms232113166


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

At 7 DAT, total plant transpiration and root hydraulic conductivity, and root hydraulic conductivity, estimated gs was lower than control plants from 3 DAT, total plant transpiration and root hydraulic conductivity, and relative leaf water content at 15 DAT, according to the study's report. As ABA in leaves reached values of control plants after 15 DAT, we suggest that low gs of plants exposed to Al is largely caused by ABA, and that poor gs maintenance can be attributed to low Lpr from 7 to the end of the experiment. Therefore, the low leaf hydration in u2019Mandarinu2019 lime exposed to Al does not appear to be a result of low water uptake due to a poor root system, according to them.

Source link: https://doi.org/10.1093/treephys/tpac130


Association Between Seed Dormancy and Pericarp Color Is Controlled by a Pleiotropic Gene That Regulates Abscisic Acid and Flavonoid Synthesis in Weedy Red Rice

Abstract Seed dormancy has long been associated with red grain color in cereal crops, according to a century. The association was related to qSD7-1/qPC7, a group of quantitative trait loci for seed dormancy/pericarp color in weedy red rice's weedy red rice. The pleiotropic gene found in early embryogenic seeds stimulated gene expression of dormancy-inducing hormone, resulting in an increase in seed production; a conserved network of eight genes for flavonoid biosynthesis; and increased seed weight. Seed dormancy can be the most important factor in weed propagation, and can play a role in pleiotropic effects. Pleiotropy has blocked the use of the dormancy gene to improve white pericarp cultivars' resistance against pre-harvest propagation by conventional breeding methods.

Source link: https://doi.org/10.1534/genetics.111.131169


Greenhouse evaluation of branching, leaf yield and biochemical compositions of Stevia rebaudiana Bertoni to decapitation and foliar application of abscisic acid and fluridone

Stevia is a herbaceous plant that may be used as a diabetic's substitute to sugar. Both fluridone and decapitation of plant apical meristems was used. When stevia was decapitated, dormant buds responded to the application of abscisic acid and fluridone, which was shown in the study. In addition, the combination of abscisic acid and fluridone produced the most beneficial plant growth and steviol glycosides production rather than sole applications. The number of shots was up, but the impact of 50 u00b5M fluridone on stevia was limited for a short period of time, and terminal dominance was re-established with the growth of the terminal branches, although terminal dominance was lost, and terminal dominance was revived, though the number of shoots was higher. Since stevia is a costly sweetener, the findings of this research may be used in greenhouses, where stevia cultivation seems to be reasonable in terms of economic aspects.

Source link: https://doi.org/10.1071/fp20045

* 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