Cytokinin in plants
WebThe cytokinin dehydrogenases (CKX; EC 1.5.99.12) are a protein family that maintains the endogenous levels of cytokinins in plants by catalyzing their oxidative degradation. The … WebFeb 27, 2024 · 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. Cytokini …
Cytokinin in plants
Did you know?
WebJun 1, 2024 · Plant hormones such as cytokinin, auxin, ethylene, brassinosteroid, gibberellins, abscisic acid, jasmonic acid, and others interact with each other and affect … WebIt is a synthetic hormone. The first natural cytokinin was obtained from unripe maize grains or kernels by Letham (1964). It is known as zeatin (6-hydroxy 3-methyl trans 2-butenyl …
WebCytokinins are a group of plant growth regulators which are primarily involved in performing cell division in plant roots, shoot system. This hormone helps in promoting the cell’s growth, development, … WebJan 2, 2014 · Cytokinins are N (6) substituted adenine derivatives that affect many aspects of plant growth and development, including cell division, shoot initiation and growth, leaf senescence, apical dominance, sink/source relationships, nutrient uptake, phyllotaxis, and vascular, gametophyte, and embryonic development, as well as the response to biotic …
WebCytokinin plays a crucial role in regulating the proliferation and differentiation of plant cells. Considerable efforts in the last few years have been directed toward the discovery of proteins and enzymes that function in cytokinin signaling and metabolism ( Ferreira and Kieber 2005 ; Sakakibara 2006 ). WebJan 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...
WebCytokinins (CKs) are a complex group of compounds. The complexity of CKs is not just present at the level of chemical structures, but as a family of compounds. CKs occur in plants as nucleotides, nucleosides (ribosides) that are produced during de novo biosynthesis, free bases, and conjugates that are in stored/inactivated forms. Almost all …
WebNov 1, 2024 · Cytokinins are plant hormones that regulate cell division, cell enlargement, and leaf senescence. They are involved in organogenesis and regulating the ratio of cell … how many episodes in season two of ted lassoWebSep 9, 2024 · In plants, cytokinin occurs as nucleotides, nucleosides (ribosides), glycosides (O- and N-glycosides) and free bases depending on the molecule conjugated to the basic cytokinin structure ( Ashihara et al., 2024 ). For example, when a ribose sugar gets attached to the purine ring at the N 9 position, it is termed as a riboside. how many episodes in season two of bridgertonWebJul 20, 2024 · The plant hormone cytokinins (CKs) were generally considered associated with plant development. More recently, functions of CKs in plant stress defense including salt have been increasingly characterized. Under saline conditions, not only CKs homeostasis but also its signal transduction pathway is disturbed in a plant species … how many episodes in season twoWebOct 6, 2024 · Cytokinin degradation in plant tissues is predominantly catalyzed by a cytokinin oxidase/dehydrogenase (CKX) (Werner and Schmülling 2009). Using O 2 as … how many episodes in season five of the crownWebNov 27, 2015 · Some plants, including major crops (for example, maize and rice), contain cZ and its conjugates as the most abundant cytokinin species (Fig. 1b). Even in these plants, iP and tZ assume a central role for … high visibility flagsWebThe cytokinin dehydrogenases (CKX; EC 1.5.99.12) are a protein family that maintains the endogenous levels of cytokinins in plants by catalyzing their oxidative degradation. The CKX family in maize (Zea mays L.) has thirteen members, only two of which - ZmCKX1 and ZmCKX10 - have previously been characterized in detail. high visibility flame resistant jacketWebSep 8, 2024 · More than a half-century has passed since it was discovered that phytohormone cytokinin (CK) is essential to drive cytokinesis and proliferation in plant tissue culture. Thereafter, cytokinin... how many episodes in season two of la brea