Cloning of A S-Adenosylmethionine Synthetase Gene from Broomcorn Millet (Panicum miliaceum L.) and Its Expression during Drought and Re-Watering Photosynthetic characteristics and SAMS gene expression in the red alga Porphyra yezoensis Ueda under high salinity Full-length Amplifying and Sequencing of S-adenosylmethionine SynthetaseGene in Litchi Aborted-embryo of ‘Guiwei’ Full-length Amplifying and Sequencing of S-adenosylmethionine SynthetaseGene in Litchi Aborted-embryo of ‘Guiwei’ Cloning and Analysis of Homological Genes SAMS from Glycine soja Cloning and Expression of Sugarcane S-Adenosylmethionine Synthetase Gene ScSAM Cloning and Function Analysis of Gene SAMS from Glycine soja