Cytokinin biosynthesis gene

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August undefined, 2024

WebApr 14, 2024 · Osteoporosis is a disease that is characterised by reduced bone mineral density (BMD) and can be exacerbated by the excessive bone resorption of osteoclasts (OCs). Bioinformatic methods, including functional enrichment and network analysis, can provide information about the underlying molecular mechanisms that participate in the … 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, …

Cytokinin biosynthesis genes expressed during nodule

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). how many tribes in hawaii

Cytokinin biosynthesis genes expressed during nodule ... - PLOS

WebSep 9, 2024 · The biosynthesis of cytokinins is catalyzed by the enzyme isopentenyl transferase encoded by the ipt gene. The gene was initially discovered in the soil … WebThe plant hormones referred to as cytokinins are chemical signals that control numerous developmental processes throughout the plant life cycle, including … 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 … how many tribes in maine

Cytokinin Synthesis, Signaling, and Function--Advances and …

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. … 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 … how many tribes in joshuaWebJan 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 … how many tribes in mn

"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 … " - Cytokinin biosynthesis gene

Cytokinin biosynthesis gene

WebCytokinins, a group of mobile phytohormones, play an important role in plant growth and development, and their activity is finely controlled by environmental factors in … 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 …

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WebDec 31, 2024 · The transcription of cytokinin biosynthetic genes is modulated by multiple factors, including hormones and macronutrients. In Arabidopsis, cytokinins promote cell di vision. 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 …

WebWe also examined the expression of two genes for tRNA isopentenyltransferases, AtIPT2 and AtIPT9, which can also be involved in cytokinin biosynthesis. They were … 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, …

WebIrreversible cytokinin degradation that regulates root cytokinin levels in L. japonicus (Reid et al., 2016) and negative feedback on endogenous biosynthesis gene expression may account for this difference. The absence of major phenotypic and metabolic changes in single biosynthesis gene mutants further supports the finely balanced nature of ... WebThis review summarizes the current status of knowledge on cytokinin biosynthesis, metabolism and signal transduction, with an emphasis on genes encoding metabolic …

WebFeb 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., …

WebApr 8, 2024 · As one of the classic phytohormones, cytokinins, which promote cell division and regulate nutrient transport, are primarily synthesized in plant root tips. In recent years, increasing studies have found that cytokinins have different effects on growth and development of plant roots through signal transduction pathways or related receptors. how many tribes in michiganWebWe 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 many tribes in minnesotaWebWe also examined the expression of two genes for tRNA isopentenyltransferases, AtIPT2 and AtIPT9, which can also be involved in cytokinin biosynthesis. They were expressed ubiquitously, with highest expression in proliferating tissues. These findings are discussed in relation to the role of cytokinins in plant development. Publication types how many tribes in the bibleWebDec 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 many tribes in mexicoWebA small region of the Ti plasmid (the tmr locus), thought to be involved in phytohormone metabolism in Agrobacterium tumefaciens-transformed plant tissue, was cloned and … how many tribes in nagalandWebAmong them is AtCKX6, a gene encoding a cytokinin oxidase involved in cytokinin breakdown (Werner et al. 2003), which is rapidly and transiently induced by auxin (Redman et al. 2004). Interestingly, the AtCKX6 gene is also down-regulated by NPA, indicating that AtCKX6 gene expression may depend on translocated auxin (Werner et al. 2006). how many tribes in namibiaWebNov 28, 2024 · RvD1 n-3 DPA Downregulates the Transcription of Pro-Inflammatory Genes in Oral Epithelial Cells and Reverses Nuclear Translocation of Transcription Factor ... UGT1A1 activity was quantified by estradiol metabolism: after cytokine treatment, cells were washed with 1.5 mL of fresh medium for 1 h and then incubated in 1.5 mL of … how many tribes in montana