Cytokinin signal transduction
WebMay 31, 2002 · In the Arabidopsis cytokinin signal transduction pathway, hybrid histidine protein kinases (AHKs) serve as cytokinin receptors and histidine phosphotransfer proteins (AHPs) transmit the signal from AHKs to nuclear response regulators (ARRs), which can activate or repress transcription (5–10). Similar components are also found in maize, … WebSep 27, 2001 · The Arabidopsis cytokinin signal transduction pathway consists of four principal steps: histidine protein kinase sensing and …
Cytokinin signal transduction
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WebSep 27, 2001 · Here we identify a eukaryotic two-component signalling circuit that initiates cytokinin signalling through distinct hybrid histidine protein kinase activities at the plasma membrane. Histidine phosphotransmitters act as signalling shuttles between the cytoplasm and nucleus in a cytokinin-dependent manner. The short signalling circuit reaches ... WebDepartment of Veterans Affairs Washington, DC 20420 GENERAL PROCEDURES VA Directive 7125 Transmittal Sheet November 7, 1994 1. REASON FOR ISSUE. To adhere …
WebCytokinin Signal Transduction Bridey B. Maxwell & Joseph J. Kieber Chapter 11k Accesses 4 Citations Abstract Cytokinins influence many aspects of plant growth and … WebInvestigating the impact of beta amino acid incorporation and other non-natural structure modifications of the GLP-1 peptide on its potency and ability to bias signal transduction …
WebCytokinins are essential hormones for the proper growth and development of plants. They exert their actions through the phosphorylation of two-component signaling factors. The two-component elements in cytokinin signaling display not only overlapping, but also specific functions throughout a life cycle. These elements regulate the development of shoots, … WebNov 8, 1996 · CKI1 encodes a protein similar to the two-component regulators. These results suggest that CKI1 is involved in cytokinin signal transduction, possibly as a …
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WebRecent advances have revealed the complex physiological functions of cytokinins, including interactions with auxin and other signal transduction pathways. This review begins by outlining the historical path to cytokinin discovery and then elucidates the diverse cytokinin functions and key signaling components. orchid funeral flowersWebUntil the late 1990s, our understanding of cytokinin signal transduction remained limited in spite of many years of effort, including the use of genetic, biochemical, and physiological approaches. It was proposed that calmodulin and a G-protein-linked receptor are involved in cytokinin signaling ( Elliott, 1983; Plakidou-Dymock et al., 1998 ). iqa twin led 2000lWebComparative 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 ... iqac type 2WebOct 27, 2024 · The plant phytohormone cytokinin is a key growth regulator involved in regulating a wide range of developmental processes in diverse contexts throughout the plant life cycle [1,2,3,4].Cytokinin regulates cell division mainly through histidyl–aspartyl phosphorelay signal transduction (also known as two-component systems), which … iqac websiteWebAbstract. Cytokinins are plant hormones implicated in diverse and essential processes in plant growth and development, and key genes for the metabolism and actions of cytokinins have recently been identified. Cytokinins are perceived by three histidine kinases—CRE1/WOL/AHK4, AHK2, and AHK3—which initiate intracellular phosphotransfer. orchid gallery pittsboro ncWebNov 10, 2024 · Cytokinin signalling comprises a classic two-step phosphorelay system where an initial signal is transferred to a response regulator (Argueso et al. 2010; Hwang et al. 2012). Here, we also found that RGG1 is involved in cytokinin signal transduction based on a 6-BA treatment assay (Fig. 6a-c). iqair kelownaWebJan 21, 2024 · The cytokinin signaling system is an analog of the two-component system for signal transduction widely occurring in bacteria (Stock et al., 2000; Grefen & Harter, 2004). Similar to the bacterial prototype, the cytokinin … iqac workshop