植物营养与分子生物学.ppt

植物营养学 与现代生物技术;植物营养学 研究植物营养原理与施肥的科学。;1;利用 转移 运输 吸收;尤?李比西 (1803---1873);Macroelement C, H, O,N, P, K, Ca, Mg, S Microelement Fe, Mn, Cu, Zn, B, Mo, Cl;;Uptake and distribution of boron at flowering stage (μg) B-ineffi. B-effi. -B +B -B +B Oldest leaf 11.02 17.27 7.70 13.70 Youngest leaf 0.024 0.15 0.245 0.586 Main stem 10.55 28.72 23.73 26.68 Flower 1.23 5.67 3.46 7.85 Bud 1.84 11.48 1.96 7.00 Total 32.85 89.37 45.63 78.21;Enzymology;Isotope trace technique;Soil Science;Soil Science;Signal ;;NRT1 family of nitrate transporters ; NRT2 family of nitrate transporters ;;AMT1 family of NH4+ transporters ;Model for the feedback regulation of the AtAMT1.1 gene by N metabolites. ;;A model for secondary Pi transport across the plasma membrane. ;;These nine Pht1 genes are located on chromosomes 1, 2, 3, and 5, respectively. The diagram depicts introns (thin lines) and exons (black boxes). ; Phylogenetic analysis of Arabidopsis phosphate transporter protein sequences. ;Citrate, acetate;The first high-affinity K+ transporter, HKT1, was cloned by complementation of yeast trk1trk2 K+ transport mutant with a cDNA library;克隆到的编码K+转运蛋白的植物基因; H+/ Ca 2+反向转运子主要功能是维持细胞原生质膜保持较低的Ca 2+浓度。;; 植物中广泛的代谢和发育信号都可以引发胞质中游离Ca 2+ 的提高。 ;Overview of sulfur uptake, reduction, and transport in plants;Model of a Plant S transporter with 12 regions spanning the plasma membrane;;Epidermis;双子叶植物和非禾本科单子叶植物铁吸收模式图;; 拟南芥中分离到铁转运蛋白IRT1。;ZIP微量元素转运基因小结; 抗盐性一般是多基因控制的，具有数量遗传性状的复杂性，呈“多因一效”的模式。; Number of genes induced (A) or repressed (B) in low Pi. Comparison of short-term (diamonds，3，6，12 h), medium-term (squares, 1,2 d), and