Cytokinin-activating enzyme

WebApr 1, 2024 · A conserved PGGxGTxxE motif misleads the cytokinin (CK) converting LONELY GUY enzymes to be wrongly annotated as lysine decarboxylases (LDCs). However, so far PGGxGTxxE motif-containing LDCs do not show any LDC activity. ... Direct control of shoot meristem activity by a cytokinin-activating enzyme. Nature, 445 … WebApr 26, 2024 · Cytokinin oxidases/dehydrogenases (CKX) are involved in the regulation of cytokinin-dependent processes and are important in controlling endogenous …

Exploring the Role of a Cytokinin-Activating Enzyme LONELY …

WebCytokinin and NIN form a feedforward loop in the root cortex, with cytokinin signalling activating NIN expression , ... The nitrogenase enzyme complex in rhizobia converts N 2 into ammonia that is released from the bacteroid via diffusion or unknown channels. The H+-ATPases on the symbiosome membrane create an acidic peribacteroid space, which ... WebFeb 8, 2007 · It has been assumed that the phytohormone cytokinin has a positive role in shoot meristem function. A severe reduction in the size of meristems in a mutant that … chimes synonym https://heppnermarketing.com

Biological Roles of Cytokinins - College of Computer, …

WebOct 4, 2024 · Nitrogen-dependent IPT expression accumulates iP- and tZ-type cytokinin species in the roots and shoots (Takei et al., 2004a, b) and activates cytokinin signaling (Taniguchi et al., 1998). In addition to … WebJan 8, 2013 · The phytohormone cytokinin (CK) positively regulates the activity and function of the shoot apical meristem (SAM), which is a major parameter determining seed production. ... T Kuroha, et al., Functional analyses of LONELY GUY cytokinin-activating enzymes reveal the importance of the direct activation pathway in Arabidopsis. Plant … chime street cayman islands

Direct Control of Shoot Meristem Activity By A Cytokinin-Activating Enzyme

Category:Functional Analyses of LONELY GUY Cytokinin-Activating Enzymes Re…

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Cytokinin-activating enzyme

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WebMar 1, 2007 · Cytokinin is synthesised from cytokinin-nucleotides produced by phosphate-isopentenyltransferases and two cytochrome P450 monooxygenases entitled CYP735A1 … WebDec 23, 2024 · This study reports that constitutive ectopic overexpression of a rice cytokinin-activation enzyme-like gene, OsLOGL5, significantly reduced primary root growth, tiller number, and yield. Conversely, mutations at the 3′-end of OsLOGL5 CDS resulted in normal rice plant morphology but with increased grain yield under well …

Cytokinin-activating enzyme

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WebOct 6, 2024 · Cytokinins are a group of phytohormones derived from adenine, which consist of a variety of molecular structures. The most abundant cytokinins in plants are … WebSep 22, 2009 · Role of cytokinin in patterning the shoot stem cell niche. (A) Regulatory network described by Gordon et al. ().Ck is cytokinin; blunted lines and black arrows indicate repression and activation, respectively, and the white arrow represents the maintenance signal induced by WUS.(B) Speculative model of how cytokinin signaling …

Webcytokinin, any of a number of plant hormones that influence growth and the stimulation of cell division. Cytokinins are synthesized in the roots and are usually derived from … Web• Cytokinin is required for meristem identity. 2. What is new: • The paper reports a novel regulation of meristem activity which is executed by the meristem-specific activation of cytokinins. •The LONELY GUY (LOG)gene of rice encodes a novel cytokinin-activating enzyme that works in the final step of bioactive cytokinin synthesis.

WebJun 1, 2024 · The levels of active cytokinins can be modulated via irreversible cleavage by CYTOKININ OXIDASE (CKX) enzymes 6,7 or through conjugation to glucose by … WebCytokinins impact numerous aspects of plant growth and development. This study reports that constitutive ectopic overexpression of a rice cytokinin-activation enzyme-like gene, OsLOGL5, significantly reduced primary root growth, tiller number, and yield. Conversely, mutations at the 3'-end of OsLOGL5 CDS resulted in normal rice plant morphology ...

WebNov 17, 2024 · The LOG family of cytokinin-activating enzymes (InterPro: IPR005269), as revealed by BlastP analysis, is widespread among the three kingdoms of life (with ca. 9000 sequences retrieved from the ...

WebE1-activating enzyme is heterodimeric in SUMOylation. E1-activating enzyme is monomeric in ubiquitination. E2 enzyme: ... In continuation, the putative roles of SUMOylation in cytokinin and the ethylene pathway still need to be discovered for a better understanding of phytohormone signaling. The elucidation of the role of SUMOylation in … chime statement templateWebThe LONELYGUY (LOG) gene encoding a cytokinin activating enzyme acts downstream of IPTs and produces the biologically active cytokinin (Kurakawa et al., 2007). In rice, … graduate assistantship position gcsuWebJan 5, 2024 · Authors: Mahboobeh Azarakhsh and Maria A. Lebedeva. Journal of Plant Growth Regulation (2024) Abstract: "Nodules are formed as a result of symbiosis with nitrogen-fixing bacteria on the roots of legume plants. Symbiotic nodule development shares common developmental processes with lateral roots... graduate assistantship semoWebFeb 1, 2024 · LOGL8 encodes a putative cytokinin-activating enzyme. Our results showed that LOGL8 directly catalyzes the biosynthesis of bioactive cytokinins. Therefore, we propose that the ectopic expression of LOGL8 disrupts cytokinin spatiotemporal distribution and causes inhibition of LONELY GUY (LOG), which affects panicle branching and … chimes towerWebFeb 8, 2007 · The enzyme, encoded by the LOG gene, catalyses the final step of bioactive cytokinin synthesis by its cytokinin-specific … chimes triangles marimbas areWebJan 29, 2024 · Cytokinins are a class of adenine-derived small-molecule phytohormones that play a vital role in many facets of plant growth and development, such as cell division, cell growth, and differentiation … graduate assistantship programmeWebSep 8, 2024 · LOGs are a new cytokinin-activating enzyme with a conserved lysine decarboxylase-binding domain in all the proteins expressed by LOGs . Through its cytokinin-specific phosphohydrolase activity, LOGs directly convert the inactive cytokinin ribotides into a biologically active free base form [ 8 ]. chimes tower longwood gardens