Cloning and Sequencing of Coat Protein Gene of Papaya Ringspot Virus and Sequence Comparison of Strains of PRV-P and PRV-YS Phylogeny of Saururaceae Inferred from matR Sequence Data Advances in molecular genetics of abalone Cloning and Expression Analyses of NAC Transcription Factor Gene in Bothriochloa ischaemum The ecological population distribution of yeast in Mogao winery of Gansu Province Identification of a New Anthracnose Pathogen Colletotrichum camelliae and Its Pathogenicity Test on Camellia oleifera The Gene Sequence Optimization of Membrane Protein in Prokaryotic Expression System Advances in the Study on the Digestive Mechanism of Cellulose in Termites