Cytokinin biosynthesis gene

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August undefined, 2024

WebAug 21, 2024 · The model strain NCPPB 3335 contains two plasmid-borne genes coding for cytokinin biosynthesis enzymes: ptz, for an isopentenyl transferase, and idi, for an isopentenyl-diphosphate delta … WebThe plant hormones referred to as cytokinins are chemical signals that control numerous developmental processes throughout the plant life cycle, including …

Frontiers IPT9, a cis-zeatin cytokinin biosynthesis gene, …

WebThis review summarizes the current status of knowledge on cytokinin biosynthesis, metabolism and signal transduction, with an emphasis on genes encoding metabolic enzymes and putative receptors, and genes rapidly induced by cytokinins. Download to read the full article text References WebJan 20, 2015 · Delay of leaf senescence through genetic modification can potentially improve crop yield, through maintenance of photosynthetically active leaves for a longer period. Plant growth hormones such as … phone number for trust bank

Cytokinin pathway mediates APETALA1 function in the ... - PNAS

WebJan 20, 2015 · Plant growth hormones such as cytokinin regulate and delay leaf senescence. Here, the structural gene (IPT) encoding the cytokinin biosynthetic enzyme isopentenyltransferase was fused to a functionally … WebJul 6, 2024 · Cytokinin biosynthesis was manipulated in transgenic tomato plants by overexpressing either AtIPT7 or AtCKX3 genes. The root-cap-specific promoter AtMDK4 was used (Lilley et al., 2011; Supplementary Figure S2), and the FBPase promoter was aimed at directing gene expression mainly to leaf mesophyll cells (Lloyd et al., 1991). WebJan 13, 2024 · Cytokinins (CKs) are a class of adenine-derived plant hormones that play a crucial role in multiple processes related to growth and development, such as seed … how do you say 27 in french

Cytokinin Biosynthesis Promotes Cortical Cell Responses …

The diverse roles of cytokinins in regulating leaf …

WebSep 14, 2007 · Cytokinins are a group of mobile phytohormones that play a critical role in plant growth and development by regulating leaf senescence ( Gan and Amasino, 1995; Kim et al., 2006 ), apical dominance ( Sachs and Thimann, 1967; Tanaka et al., 2006 ), root proliferation ( Werner et al., 2001 ), phyllotaxis ( Giulini et al., 2004 ), reproductive … WebDec 12, 2000 · The iPMP-dependent cytokinin biosynthesis pathway (Fig. 7, black arrows) has been extensively studied in tissues expressing the ipt gene from A. tumefaciens, … how do you say 27 in japaneseWebThe phosphorylated, and thus activated, type-B RRs regulate the transcription of numerous genes, including the type-A RRs. The type-A RRs negatively regulate the pathway. Biosynthesis. Adenosine phosphate-isopentenyltransferase (IPT) catalyses the first reaction in the biosynthesis of isoprene cytokinins. phone number for truth finder

"WebNov 10, 2024 · Cytokinin, one of the most important phytohormones, has been shown to modulate panicle traits. Gn1a encodes a cytokinin oxidase/dehydrogenase enzyme that is responsible for cytokinin degradation in vivo. Mutation in Gn1a results in cytokinin accumulation and causes an increase in grain number per panicle (GN) (Ashikari et al. … " - Cytokinin biosynthesis gene

Cytokinin biosynthesis gene

Expression of cytokinin biosynthetic isopentenyltransferase genes …

WebApr 11, 2024 · Consistent with the results, the expression of the cytokinin biosynthesis-related IPT gene was downregulated, and cytokinin tZR levels were reduced in Zn-depleted quinoa roots (Fig. 4). Taken together, these results indicated that Zn homeostasis regulates plant growth by modulating both auxin and cytokinin levels in quinoa (Fig. 4, … WebOct 14, 2024 · Cytokinin and auxin are plant hormones that coordinate many aspects of plant development. Their interactions in plant underground growth are well established, …

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WebCytokinins play an important role as signaling molecules in the long-distance communication between organs in systemic growth regulation in response to … WebMar 1, 2024 · Cytokinins are a major class of hormones that regulate many developmental processes in plants, including cell division, shoot and root growth, …

WebJan 7, 2024 · Most natural cytokinins (CKs) are adenine derivatives that carry an isoprene-derived side chain at the N6-terminus. Structural variation at the isoprenoid … WebSupporting: 1, Mentioning: 318 - The phytohormone cytokinin plays diverse roles in plant development, influencing many agriculturally important processes, including growth, nutrient responses and the response to biotic and abiotic stresses. Cytokinin levels in plants are regulated by biosynthesis and inactivation pathways. Cytokinins are perceived by …

WebJun 15, 1989 · Modulation of cytokine production by transforming growth factor-beta J Immunol. 1989 Jun 15;142(12):4295-300. ... which have both been implicated in post-transcriptional control of cytokine gene expression. These findings suggest a dual role for TGF-beta 1 in the regulation of cytokine production at both transcriptional and … WebMar 7, 2024 · Auxin–cytokinin (CK) interactions have been extensively studied in the control of bud outgrowth in herbaceous plants. However, in temperate woody plants where the meristem of dormant buds can be repressed by either exogenous or endogenous factors, abscisic acid (ABA) has been suggested as a potential regulator of bud …

WebApr 21, 2014 · Here we show that AP1 regulates cytokinin levels by directly suppressing the cytokinin biosynthetic gene LONELY GUY1 and activating the cytokinin degradation gene CYTOKININ OXIDASE/DEHYDROGENASE3. Restoring the expression of these genes to wild-type levels in AP1 -expressing cells or suppressing cytokinin signaling …

WebWe also examined the expression of two genes for tRNA isopentenyltransferases, AtIPT2 and AtIPT9, which can also be involved in cytokinin biosynthesis. They were … phone number for tsb stornowayWebOct 14, 2024 · Figure 1.Mutants in different cytokinin biosynthetic genes show differential effects on primary root length and meristem size. (A) Simplified version of the parallel cytokinin biosynthesis pathways.(B,C) Primary root phenotype and length quantification of the wild-type Col-0, the triple mutant ipt357, and the double mutants cyp753a1 cyp753a2 … how do you say 30 dollars in spanishWebMar 30, 2006 · A series of genes for cytokinin biosynthesis and metabolism: IPT, CYP735A, adenosine nucleosidase, adenine phosphoribosyltransferase, cytokinin … phone number for truth socialWebFeb 14, 2011 · The biosynthesis of isoprenoid cytokinins starts with transfer of the isoprenoid moiety to adenine either in its nucleotide forms or bound to RNA. The isoprenoid side chain donors found to date are dimethylallyl pyrophosphate (DMAPP) and ( E )-4-hydroxy-3-methyl-but-2-enyl diphosphate (HMBDP; Krall et al., 2002; Sakakibara et al., … phone number for truist main officeWebWe identified a total of 380 differential genes involved in plant hormone biosynthesis and signal transduction pathways, involving eight biosynthesis and metabolic pathways, namely auxin, cytokinin, abscisic acid, ethylene, brassinolide, jasmonic acid, gibberellin and salicylic acid (Figure 8 B). how do you say 21 years old in irishWebDec 31, 2024 · The transcription of cytokinin biosynthetic genes is modulated by multiple factors, including hormones and macronutrients. In Arabidopsis, cytokinins promote cell di vision. how do you say 27 in spanishWebcytokinin biosynthesis in transgenic Arabidopsis, expressing the ipt gene under the control of a glucocorticoid inducible transcription system (21, 22). This system recently was shown to cause growth defects in transgenic A. thaliana plants grown in inductive condi-tions for 1–2 weeks (23). However, our investigation is based solely how do you say 25 in russian