主题词：Microbial Community Ecology and Physiology; Genomics and Phylogenetic Studies; Algal biology and biofuel production; Photosynthetic Processes and Mechanisms; Microbial Metabolic Engineering and Bioproduction; Bacterial Genetics and Biotechnology; Legume Nitrogen Fixing Symbiosis; Bacteriophages and microbial interactions; Probiotics and Fermented Foods; Amino Acid Enzymes and Metabolism; Fungal Biology and Applications; Plant Pathogens and Fungal Diseases; Protist diversity and phylogeny; Microbial Natural Products and Biosynthesis; Wastewater Treatment and Nitrogen Removal; Plant-Microbe Interactions and Immunity; Enzyme Structure and Function; Enzyme Production and Characterization; Biofuel production and bioconversion; Microbial metabolism and enzyme function; Fungal and yeast genetics research; Enzyme Catalysis and Immobilization; Biocrusts and Microbial Ecology; Bacterial biofilms and quorum sensing; Polyamine Metabolism and Applications