| PREFACE |
| i The special issue of geomicrobiology in 2020 |
| NEW TECHNOLOGY FOR GEOMICROBIOLOGICAL STUDIES |
| 1062 Advances in the application of Raman microspectroscopy in microbe research |
| MICROBIOLOGY IN EXTREME ENVIRONMENTS |
| 1073 Diversity and antibacterial activity of culturable actinobacteria in karst cave soil in Xingyi, Guizhou |
| 1089 Glycine betaine: biosynthesis and biological function in halophilic microorganisms |
| MICROBIOME INVOLVED IN BIOGEOCHEMICAL CYCLING OF ELEMENTS |
| 1105 Quantification of biodegradable dissolved organic carbon in the ocean |
| 1116 Efficiency and application of aerobic methane coupled to denitrification ultimate denitrification system |
| 1129 Effect of interaction between arbuscular mycorrhizal fungi and rhizosphere bacteria in farmland soils on nutrients utilization |
| 1147 Marine nitrogen cycle and prediction based on genome-scale metabolic network model |
| 1161 Research progress in microbial nitrification in lakes |
| 1176 Progress in microbially mediated denitrifying in lacustrine environments |
| 1191 Research progress on microbes involved in lacustrine sulfur cycling |
| MICROBE-MINERAL INTERACTION |
| 1204 Effects of Shewanella putrefaciens CN32 on the release of clay-sorbed NH4+ |
| 1219 Isolation and identification of a novel As-reducing bacterium for the reductive dissolution of scorodite |
| GEOMICROBIOLOGICAL APPLICATIONS |
| 1231 Characteristics and exploration significance of soil methane oxidation bacteria above typical oil and gas reservoirs in Shunbei |
| 1245 Effect of ash and inorganic minerals in Dalita long-flame coal on biogas production |
| 1258 Degradation of petroleum hydrocarbons by using iron-reducing bacteria |
| ENVIRONMENTAL MICROBIAL ECOLOGY AND EVOLUTION |
| 1271 Diversity and antimicrobial activities of cultivable bacteria isolated from Donghai island |
| 1272 Soil microbial community structure along the ecological succession in Yellow River Delta |
| 1303 Progress in candidate phyla radiation (CPR) research |
| 1317 Research progress on eukaryotic-like ESCRT in archaea |