Evolution of the leucine-rich repeat receptor-like protein kinase gene family: Ancestral copy number and functional divergence of BAM1 and BAM2 in Brassicaceae Subcellular Localization of RLK6,a Protein of LRR-RLK Subfamily and Tissue Expression Pattern of the RLK6 in Arabidopsis The Function of CLE Peptide Hormone-Mediated Signaling Transduction in the Development and Differentiation of Plant Vascular System A Sttuay on the Saponins in Fruits Pedicels of Panax notoginseng (Burk.) F. H. Chen