Cytokinin-activating enzyme

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August undefined, 2024

WebJun 14, 2024 · Cytokinin (CK)‐activating enzyme, called LOG, is a phosphoribohydrolase that hydrolyzes nucleotides into nucleobases and phosphoriboses. This reaction is a fascinating target for regulation of ... WebDec 1, 2009 · Cytokinins are a class of phytohormones known as key regulators of plant growth and development, including cell division, leaf senescence, apical …

Q&A: How do plants respond to cytokinins and what is …

WebSep 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 ]. WebJun 6, 2013 · A cytokinin-activating enzyme induces de novo homeotic tubers in tomato • TLOG1 signaling abolishes apical dominance without disrupting polar auxin transport • miR156 regulates tuber-forming … can pregnant women get chest x ray

Direct control of shoot meristem activity by a cytokinin …

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 … WebThe conversion of the iP nucleotides to the tZ nucleotide is catalyzed by cytochrome P450 mono-oxygenases (CYP735A) and the production of active forms of cytokinin is catalyzed by the LONELY GUY (LOG) cytokinin-activating enzymes (Hirose et al. 2008). 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 … can pregnant women have apple cider vinegar

A cytokinin-activation enzyme-like gene improves grain yield …

Lateral Root versus Nodule: The Auxin-Cytokinin...

Webby a Cytokinin-Activating Enzyme By Kurakawa et. Al. Published in Nature Presented by Boyana Grigorova CBMG 688R Biological Roles of Cytokinins • Cytokinins are positive … 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 … flamingo albert dickWebModifying the cytokinin content in plants is a means of improving plant productivity. Here, we report the development and biological activity of compound TD-K (1-(furan-2-ylmethyl)-3-(1,2,3-thiadiazol-5-yl)urea)which is related to thidiazuron. TD-K—which exhibited extremely high antisenescence activity in the wheat leaf bioassay—and INCYDE (2-chloro-6-(3 … can pregnant women have baked brie

"WebLOG encodes a novel cytokinin-activating enzyme that works in the final step of bioactive cytokinin synthesis. Revising the long-held idea of multistep reactions, LOG directly converts inactive cytokinin nucleotides to the free-base forms, which are biologically active, by its cytokinin-specific phosphoribohydrolase activity. ... " - Cytokinin-activating enzyme

Cytokinin-activating enzyme

Cytokinin - an overview ScienceDirect Topics

WebJan 29, 2024 · CvarLOG1 expressed mainly in the lag and log phases of growth and was confirmed to be a cytokinin-activating enzyme. Overexpression of CvarLOG1 in Chlorella led to extended life in culture by almost 10-20 days, creating a "stay-green" phenotype. In the transformed alga, the cell cycle was lengthened due to delayed entry into the G2/M … 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 ...

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WebApr 26, 2024 · Cytokinin oxidases/dehydrogenases (CKX) are involved in the regulation of cytokinin-dependent processes and are important in controlling endogenous … 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 …

WebApr 1, 2024 · the synthesis of cytokinin. The enzymes LONELY GUY (LOG) and isopentenyl transferase (IPT) are two of the most important. ... activating enzyme (Mi et al., 2024). In the next step, LOGs. WebJun 1, 2024 · LOGs, which encode phosphoribohydrolase-activating enzymes, directly convert a cytokinin nucleotide to an active free-base form of cytokinins in the final step of cytokinin biosynthesis 3 . The levels of active cytokinins can be modulated via irreversible cleavage by CYTOKININ OXIDASE (CKX) enzymes 6 , 7 or through conjugation to …

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 … WebApr 2, 2024 · The cytokinin biosynthesis pathway and the cytokinin function in non-plant cells are not well understand. Herein we provide a structural basis for cytokinin studies in Mtb, and facilitate the identification of MtLOG inhibitors with potential interest in the context of drug discovery. 2. Materials and methods2.1.

WebRegulation of individual enzymes in cytokinin metabolism. Cytokinin degradation seems to be a very important tool for regulation of the active cytokinin “pool” in plant cells. …

WebMar 1, 2024 · The key structures for cytokinin-activation enzyme activity are conserved, including the 7 β-strands, 8 α-helices, catalytic site (red triangles), AMP-binging site (blue triangles), prenyl group ... flamingo airport shuttle las vegasWebJun 17, 2013 · A cytokinin-activating enzyme induces de novo homeotic tubers in tomato TLOG1 signaling abolishes apical dominance without disrupting polar … flamingo albert flexing his muscleWebMar 30, 2024 · Although these data collectively indicate the importance of metabolite levels of T6P rather than the activity of corresponding enzymes, functional analysis of the T6P synthase (TPS) in Arabidopsis shows that non-catalytic domains of the enzyme are important for the correct localization and orderly activation of TPS, leading to T6P … can pregnant women have black teaWebOct 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 … can pregnant women have bobaWebLOG encodes a novel cytokinin-activating enzyme that works in the final step of bioactive cytokinin synthesis. Revising the long-held idea of multistep reactions, LOG directly … can pregnant women have bolognaWebCytokinins 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 ... can pregnant women have b12 injectionsWebApr 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 … flamingo albert desktop wallpaper