Cytokinin drought

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August undefined, 2024

Acetic acid increased under drought stress conditions, and the remarkable increase (~ twofold) in succinic acid content was observed with ABA application under drought stress in MV17 cultivar. In general, drought stress decreased malic acid, pyruvic acid, and citric acid, but CK enhanced them. See more The grain yield and biomass were significantly (P value ≤ 0.05) changed under drought and foliar application of plant regulators in … See more Organic acid contents significantly (P value ≤ 0.05) changed under drought and PGR treatments in MV17 and Pishgam cultivars. Acetic acid … See more Fatty acid profile showed different responses to drought and foliar application. Palmitic acid (C16:0) as a main saturated fatty acid (SFA) in wheat cultivars differed from 15% in Pishgam cultivar under … See more Table 3 show the changes in shoot cations in wheat cultivars under irrigation regimes and foliar application of ABA and CK. The Na+ content … See more WebJul 2, 2024 · In plants, cytokinin signaling is mediated by a canonical two-component system (TCS), which comprises AHKs (histidine kinases), AHPs (histidine phosphotransfer proteins), and ARRs (Arabidopsis response regulators). Cytokinin signaling components have been shown to act as negative regulators of plant drought tolerance.

Cytokinin - Wikipedia

WebCytokinins promote cell division, where one cell splits and two new daughter cells are formed. Cytokinins are important regulators of plant growth and development. Cytokinins have an interesting interaction with auxin in plants. In the 1950s, Skoog and Miller were researching the growth of N. tabacum stems in tissue culture. WebJun 28, 2024 · The effect of plant population density (PPD) and root-induced leaf cytokinin on the compensatory growth of potted corn seedlings during post-drought rewatering was investigated. The study design comprised four treatments: (1) wetness with low PPD, (2) wetness with high PPD, (3) rewatering with low PPD, and (4) rewatering … cshell if -e

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WebApr 8, 2024 · CKs can affect the growth and development of plant roots under drought stress, cold stress, salt stress, and various chemical element stresses. The … WebMar 31, 2024 · Summary of cytokinin (CK) modification-related studies and their reports on corresponding drought-tolerant phenotypes. The other important component of CK metabolism is the CKX enzyme, which … WebJul 1, 2024 · Cytokinin is a powerful suppressor of senescence [ 38 ]. In fact, production of cytokinin in tissues that would senesce due to drought reduces both senescence and the impact of the drought stress leading to increase agricultural yield enhancement [ 40 ]. Very limited studies show cytokinin as a regulator of abscission. eage annual meeting 2021

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IJMS Free Full-Text Current Studies of the Effects of Drought ...

WebDrought stress is a major environmental factor that limits plant growth and development. Integration of plant hormone signaling networks plays a crucial role in balancing plant growth and stress adaptation. This work revealed the molecular mechanism by which antagonism between ABA and cytokinin signaling mediates plant response to drought stress. WebOct 6, 2024 · Cytokinins also play a key role in response to abiotic stresses, such as drought, salt and high or low temperature. Through the signal transduction pathway, cytokinins interact with various transcription factors via a series of phosphorylation cascades to regulate cytokinin-target gene expression. eagechatgptWebMay 10, 2013 · Drought stress leads to alteration in photophosphorylation (i.e. reduced generation of ATP, leading to decreased regeneration of RuBP). An important aspect of … cshell if문

"WebMay 10, 2013 · Water-deficit stress is a major environmental factor that limits agricultural productivity worldwide. Recent episodes of extreme drought have severely affected cotton production in the Southwestern USA. There is a pressing need to develop cotton varieties with improved tolerance to water-deficit stress for sustainable production in water-limited … " - Cytokinin drought

Cytokinin drought

WebMay 22, 2024 · Cytokinins: Their Impact on Molecular and Growth Responses to Drought Stress and Recovery in Arabidopsis Cytokinins: Their Impact on Molecular and Growth … Web3 hours ago · Leaf senescence reduces the photosynthetic capacity of leaves, thus significantly affecting the growth, development, and yield formation of cotton. Melatonin (MT) is a multipotent substance proven to delay leaf senescence. However, its potential mechanism in delaying leaf senescence induced by abiotic stress remains unclear. This …

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WebApr 14, 2024 · In soybean, 124 and 122 out of 160 GmbZIPs are involved in drought and flooding responses, respectively (Zhang et al., 2024), however, many GmbZIPs have been implicated in various biological processes besides abiotic stress responses. In this review, we analyze the cladistics and expression profiles of GmbZIP and AtbZIP genes, and … WebAug 1, 2024 · cytokinin drought strigolactone Key Components of CK and SL Biosynthetic and Signaling Pathways CK is an important phytohormone which controls numerous …

WebJan 6, 2024 · Drought is a critical environmental factor which constrains plant survival and growth. Genetic engineering provides a credible strategy to improve drought … WebOverexpressing the cytokinin (CK)-synthesizing gene, isopentenyl transferase (ipt), is known to elevate endogenous CK levels and positively regulate drought tolerance. The objective of this study was to identify transcriptional factors (TFs) and their down-stream genes responsive to ipt overexpression which are associated with improved drought ...

WebFeb 17, 2016 · A genetic framework for CK signaling and CK crosstalk with abscisic acid (ABA) in the precise monitoring of drought responses is proposed and the potential of endogenous CK alteration in crops towards developing drought-tolerant crops is discussed. 47 PDF Roles of cytokinins in root growth and abiotic stress response of Arabidopsis … WebComparative genomic analyses were performed to trace the origin, evolution and diversification of the critical regulatory networks linking CK signaling and abiotic stress. We found that the production of CKs and their derivatives, pathways of signal transduction and drought-response root growth regulation are evolutionarily conserved in land ...

WebDec 20, 2024 · Nishiyama R et al (2011) Analysis of cytokinin mutants and regulation of cytokinin metabolic genes reveals important regulatory roles of cytokinins in drought, salt and abscisic acid responses, and abscisic acid biosynthesis. Plant Cell 23:2169–2183. CAS PubMed PubMed Central Google Scholar

WebNov 15, 2024 · A treatment with a high auxin-to-cytokinin ratio that leads to the formation of a pluripotent cell mass, called a callus, is generally followed by one involving a low auxin-to-cytokinin ratio... eagecloudsimWebMar 1, 2012 · Cytokinins (CKs) regulate plant adaptation to stress Members of the CK family of plant hormones are considered to be master regulators, strongly influencing plant growth and development. In the past 10 years, CK metabolism and signaling pathways have become a major focus in plant biology research 1, 2, 3. e-ageat / siatweb / autoatendimento / efdWebDrought is a critical environmental factor which constrains plant survival and growth. Genetic engineering provides a credible strategy to improve drought tolerance of plants. … cshell golf cartsWebApr 21, 2016 · Activities of superoxide dismutase (SOD) in leaves of drought stressed creeping bentgrass as affected by cytokinin trans -zeatin riboside (CK) and nitrogen. Bars having different letter indicate … cshell if语法WebThe levels of endogenous hormones, abscisic acid (ABA), auxin (IAA), gibberellin (GA), cytokinin (CTK), and ethylene (ETH) are decreased or increased under drought [22,23,24]. Many researchers have shown that, under drought conditions, the concentrations of ABA and ETH increase significantly [ 24 , 25 ], while it is less clear what happens to ... cshell historyWebMay 22, 2024 · Effects of drought and modulation of cytokinin metabolism on the levels of active hormones (active CKs, IAA, ABA, JA, SA and … cshell if文文字列WebOne study found that applying cytokinin to cotton seedlings led to a 5–10% increase in yield under drought conditions. Some cytokinins are utilized in tissue culture of plants … eage ccs perth