Cytokinin content
WebMar 1, 2024 · Synthesis of [15 N4 ] purine labeled cytokinine glycosides derived from zeatins and topolins containing a 9-β-d, 7-β-d-glucopyranosyl, or 9-β-d-ribofuranosyl group is described. These N6 -substituted adenine derivatives are intended as internal analytic standards for phytohormone analysis. All labeled compounds were prepared from 6 … WebMar 1, 2000 · The results suggest that cytokinins in the grains and roots during the early phase of grain development play an important role in regulating grain filling pattern and …
Cytokinin content
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WebApr 8, 2024 · Cytokinin-responsive factors CRF2 and CRF3 play a significant role in regulating the initiation of Arabidopsis LRs at low temperatures, which mainly include two … WebJan 1, 2001 · Cytokinin concentration in xylem sap wasdecreased initially by 60% by pruning in accordancewith the reduction in the hormone-producing organ.Nevertheless cytokinin content in the shoots...
WebFeb 25, 2024 · Abstract. Mitogens trigger cell division in animals. In plants, cytokinins, a group of phytohormones derived from adenine, stimulate … 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 …
WebApr 28, 2006 · Cytokinin levels in plant cells are dependent on cytokinin biosynthesis and/or uptake from extracellular sources, metabolic interconversions, inactivation and … WebCytokinin content in xylem sap was suggested for rootstock selection. Furthermore, cytokinins influence source–sink relationships (metabolite translocation). In the case of …
WebJul 17, 2024 · OsNAC2 altered cytokinin metabolism and sensitivity. (a) The expression of cytokinin biosynthesis- and degradation-related genes in roots of 2-week-old WT and transgenic plants. (b) Quantification of endogenous cytokinin content in 2-week-old roots. iP, Isopentenyladenine; tZ, trans-zeatin; cZ, cis-zeatin.
Webcytokinin, any of a number of plant hormones that influence growth and the stimulation of cell division. Cytokinins are synthesized in the roots and … how many people does a 30 x 60 tent holdWebCytokinin 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 … how can i not be uglyCytokinins (CK) are a class of plant hormones that promote cell division, or cytokinesis, in plant roots and shoots. They are involved primarily in cell growth and differentiation, but also affect apical dominance, axillary bud growth, and leaf senescence. There are two types of cytokinins: adenine-type cytokinins represented by kinetin how can i not have msnbc on google newsWebCytokinin 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 ). how many people does a 3lb turkey breast feedWebNov 29, 2024 · Environmental factors like water stress reduce the cytokinin content of the xylem exudate. 4 Metabolism. Free cytokinins are readily converted to their respective … how can i nourish my spiritWebH, Cytokinin content determined in hairy roots induced with the indicated constructs and grown for 4 weeks. P values were calculated using Wilcoxon rank-sum testing between control and expression constructs and are indicated by … how can i not love youWebNov 29, 2024 · Cytokinins can be present in plants as ribosides (in which ribose sugar is attached to the 9 nitrogen of the purine ring), ribotides (in which the ribose sugar moiety contains a phosphate group), or a glycosides (in which a sugar molecule is attached to 3, 7, or 9 nitrogen of the purine ring). Keywords Adenine Benzyladenine Cell division how can i not know what i need right now