| 51 | Soil Microbiology (MeSH) |
| 47 | Phylogeny (MeSH) |
| 46 | Animals (MeSH) |
| 34 | Ecosystem (MeSH) |
| 30 | Symbiosis (MeSH) |
| 27 | Molecular Sequence Data (MeSH) |
| 23 | Plant Roots (microbiology) |
| 22 | RNA, Ribosomal, 16S (genetics) |
| 21 | Bacteria (classification) |
| 19 | Trees (MeSH) |
| 19 | Soil (chemistry) |
| 19 | Mycorrhizae (physiology) |
| 19 | Host-Pathogen Interactions (MeSH) |
| 19 | Forests (MeSH) |
| 19 | Amino Acid Sequence (MeSH) |
| 18 | Plant Diseases (microbiology) |
| 17 | Microbiota (MeSH) |
| 17 | Humans (MeSH) |
| 17 | Bacteria (genetics) |
| 16 | Biodiversity (MeSH) |
| 14 | Trees (microbiology) |
| 14 | DNA, Bacterial (genetics) |
| 13 | Soil (MeSH) |
| 13 | Sequence Analysis, DNA (MeSH) |
| 13 | Rhizosphere (MeSH) |
| 12 | Populus (microbiology) |
| 12 | Gene Expression Regulation, Plant (MeSH) |
| 12 | Bacteria (isolation & purification) |
| 11 | Species Specificity (MeSH) |
| 11 | Nitrogen (metabolism) |
| 11 | Biomass (MeSH) |
| 11 | Bacterial Proteins (genetics) |
| 10 | Genomics (MeSH) |
| 10 | Gene Expression Profiling (MeSH) |
| 10 | Base Sequence (MeSH) |
| 9 | Tropical Climate (MeSH) |
| 9 | Trees (growth & development) |
| 9 | Populus (genetics) |
| 9 | Plant Roots (metabolism) |
| 9 | Plant Proteins (genetics) |
| 9 | Plant Leaves (microbiology) |
| 9 | Genome, Bacterial (MeSH) |
| 9 | Fungal Proteins (genetics) |
| 9 | Female (MeSH) |
| 9 | Evolution, Molecular (MeSH) |
| 9 | DNA, Ribosomal (genetics) |
| 8 | Trees (metabolism) |
| 8 | Populus (metabolism) |
| 8 | Plant Roots (growth & development) |
| 8 | Plant Proteins (metabolism) |
| 8 | Male (MeSH) |
| 8 | Genotype (MeSH) |
| 8 | Gene Expression Regulation, Fungal (MeSH) |
| 8 | Fungi (physiology) |
| 8 | Cloning, Molecular (MeSH) |
| 8 | Carbon (metabolism) |
| 8 | Biological Evolution (MeSH) |
| 8 | Bacteria (metabolism) |
| 7 | Symbiosis (physiology) |
| 7 | Quercus (microbiology) |
| 7 | Plant Diseases (genetics) |
| 7 | Mycorrhizae (genetics) |
| 7 | Genes, Bacterial (MeSH) |
| 7 | China (MeSH) |
| 7 | Biodegradation, Environmental (MeSH) |
| 7 | Bacteria (growth & development) |
| 6 | Transcriptome (MeSH) |
| 6 | Soil (analysis) |
| 6 | Plant Leaves (genetics) |
| 6 | Pinus (microbiology) |
| 6 | Mycorrhizae (metabolism) |
| 6 | Mycorrhizae (growth & development) |
| 6 | Microbiota (genetics) |
| 6 | Introduced Species (MeSH) |
| 6 | Genetic Variation (MeSH) |
| 6 | Fungi (genetics) |
| 6 | Fungi (MeSH) |
| 6 | Coleoptera (microbiology) |
| 6 | Bacterial Physiological Phenomena (MeSH) |
| 5 | Virulence (genetics) |
| 5 | Sequence Homology, Amino Acid (MeSH) |
| 5 | Sequence Alignment (MeSH) |
| 5 | Regression Analysis (MeSH) |
| 5 | RNA, Ribosomal, 16S (MeSH) |
| 5 | Plant Roots (genetics) |
| 5 | Plant Roots (MeSH) |
| 5 | Plant Leaves (metabolism) |
| 5 | Phenotype (MeSH) |
| 5 | Host-Pathogen Interactions (genetics) |
| 5 | Host-Parasite Interactions (MeSH) |
| 5 | Genes, Plant (MeSH) |
| 5 | Gene Expression (MeSH) |
| 5 | Ecology (MeSH) |
| 5 | Citrus (microbiology) |
| 5 | Basidiomycota (physiology) |
| 5 | Basidiomycota (growth & development) |
| 4 | Virulence (MeSH) |
| 4 | Trees (physiology) |
| 4 | Trees (parasitology) |
| 4 | Temperature (MeSH) |
| 4 | Symbiosis (genetics) |
| 4 | Soil Pollutants (metabolism) |
| 4 | Soil Pollutants (analysis) |
| 4 | Seedlings (MeSH) |
| 4 | Populus (growth & development) |
| 4 | Polymorphism, Restriction Fragment Length (MeSH) |
| 4 | Polymerase Chain Reaction (MeSH) |
| 4 | Plants (genetics) |
| 4 | Plant Leaves (chemistry) |
| 4 | Plant Leaves (MeSH) |
| 4 | Plant Diseases (parasitology) |
| 4 | Plant Development (MeSH) |
| 4 | Picea (microbiology) |
| 4 | Multigene Family (MeSH) |
| 4 | Molecular Sequence Annotation (MeSH) |
| 4 | Models, Biological (MeSH) |
| 4 | Microbial Interactions (MeSH) |
| 4 | Microbial Consortia (MeSH) |
| 4 | Metals (metabolism) |
| 4 | Hydrogen-Ion Concentration (MeSH) |
| 4 | Genome, Plant (MeSH) |
| 4 | Gene Transfer, Horizontal (MeSH) |
| 4 | Gene Expression Regulation, Bacterial (MeSH) |
| 4 | Fungi (isolation & purification) |
| 4 | Fungal Proteins (metabolism) |
| 4 | Fungal Proteins (chemistry) |
| 4 | Expressed Sequence Tags (MeSH) |
| 4 | Environmental Monitoring (MeSH) |
| 4 | Droughts (MeSH) |
| 4 | Disease Resistance (genetics) |
| 4 | DNA, Ribosomal (chemistry) |
| 4 | DNA, Fungal (genetics) |
| 4 | Climate Change (MeSH) |
| 4 | Chromosome Mapping (MeSH) |
| 4 | Basidiomycota (genetics) |
| 4 | Bacterial Proteins (metabolism) |
| 4 | Bacteria (drug effects) |
| 3 | Yeasts (genetics) |
| 3 | Trees (genetics) |
| 3 | Trees (classification) |
| 3 | Taiwan (MeSH) |
| 3 | Stress, Physiological (MeSH) |
| 3 | Sequence Homology, Nucleic Acid (MeSH) |
| 3 | Seedlings (physiology) |
| 3 | Seedlings (microbiology) |
| 3 | Seasons (MeSH) |
| 3 | Saccharomyces cerevisiae (genetics) |
| 3 | Rhizobium (genetics) |
| 3 | Pseudomonas (genetics) |
| 3 | Proteobacteria (genetics) |
| 3 | Populus (parasitology) |
| 3 | Population Dynamics (MeSH) |
| 3 | Poaceae (growth & development) |
| 3 | Plants (microbiology) |
| 3 | Plants (metabolism) |
| 3 | Plants (drug effects) |
| 3 | Plant Roots (physiology) |
| 3 | Plant Diseases (MeSH) |
| 3 | Plant Bark (microbiology) |
| 3 | Pinus (parasitology) |
| 3 | Pinus (metabolism) |
| 3 | Pinus (genetics) |
| 3 | Picea (genetics) |
| 3 | Phosphorus (metabolism) |
| 3 | Phospholipids (analysis) |
| 3 | Nitrogen Fixation (MeSH) |
| 3 | Nitrogen Cycle (MeSH) |
| 3 | Nitrogen (analysis) |
| 3 | Mycorrhizae (MeSH) |
| 3 | Mutation (MeSH) |
| 3 | Microbiota (physiology) |
| 3 | Metagenomics (MeSH) |
| 3 | Metagenome (MeSH) |
| 3 | Malus (microbiology) |
| 3 | Larva (microbiology) |
| 3 | Insecta (MeSH) |
| 3 | Herbivory (MeSH) |
| 3 | Genomics (methods) |
| 3 | Genome Size (MeSH) |
| 3 | Genetic Complementation Test (MeSH) |
| 3 | Gene Expression Regulation (MeSH) |
| 3 | Fungi (classification) |
| 3 | Fungi (chemistry) |
| 3 | Frankia (physiology) |
| 3 | Fertilizers (MeSH) |
| 3 | Fatty Acids (metabolism) |
| 3 | Fatty Acids (analysis) |
| 3 | Environment (MeSH) |
| 3 | DNA, Bacterial (chemistry) |
| 3 | DNA Primers (MeSH) |
| 3 | Computational Biology (methods) |
| 3 | Computational Biology (MeSH) |
| 3 | Colony Count, Microbial (MeSH) |
| 3 | Cluster Analysis (MeSH) |
| 3 | Climate (MeSH) |
| 3 | Cation Transport Proteins (genetics) |
| 3 | Carrier Proteins (genetics) |
| 3 | California (MeSH) |
| 3 | Cacao (microbiology) |
| 3 | Biological Transport (MeSH) |
| 3 | Basidiomycota (MeSH) |
| 3 | Bacterial Typing Techniques (MeSH) |
| 3 | Bacteria (chemistry) |
| 3 | Ascomycota (physiology) |
| 3 | Archaea (metabolism) |
| 3 | Arabidopsis (microbiology) |
| 3 | Arabidopsis (genetics) |
| 3 | Algorithms (MeSH) |
| 3 | Agaricales (genetics) |
| 3 | Adult (MeSH) |
| 3 | Adaptation, Biological (genetics) |
| 3 | Actinobacteria (genetics) |
| 3 | Acacia (growth & development) |
| 2 | Zinc (metabolism) |
| 2 | Zea mays (microbiology) |
| 2 | Wood (MeSH) |
| 2 | Wetlands (MeSH) |
| 2 | Washington (MeSH) |
| 2 | Transcription, Genetic (MeSH) |
| 2 | Time Factors (MeSH) |
| 2 | Snow (MeSH) |
| 2 | Signal Transduction (genetics) |
| 2 | Signal Transduction (MeSH) |
| 2 | Sequence Analysis, RNA (MeSH) |
| 2 | Sequence Analysis, Protein (MeSH) |
| 2 | Seeds (MeSH) |
| 2 | Root Nodules, Plant (microbiology) |
| 2 | Rhizobiaceae (physiology) |
| 2 | Rhizobiaceae (isolation & purification) |
| 2 | Restriction Mapping (MeSH) |
| 2 | Respiratory System (microbiology) |
| 2 | RNA, Viral (genetics) |
| 2 | RNA, Fungal (genetics) |
| 2 | Quercus (growth & development) |
| 2 | Quercus (genetics) |
| 2 | Pseudomonas (metabolism) |
| 2 | Pseudomonas (classification) |
| 2 | Prunus (virology) |
| 2 | Proteomics (methods) |
| 2 | Proteomics (MeSH) |
| 2 | Protein Kinases (genetics) |
| 2 | Promoter Regions, Genetic (MeSH) |
| 2 | Principal Component Analysis (MeSH) |
| 2 | Potassium (metabolism) |
| 2 | Populus (physiology) |
| 2 | Populus (MeSH) |
| 2 | Polymerase Chain Reaction (methods) |
| 2 | Poaceae (microbiology) |
| 2 | Plum Pox Virus (physiology) |
| 2 | Plasmids (genetics) |
| 2 | Plants, Genetically Modified (microbiology) |
| 2 | Plants, Genetically Modified (genetics) |
| 2 | Plants (MeSH) |
| 2 | Plant Roots (parasitology) |
| 2 | Plant Roots (enzymology) |
| 2 | Plant Proteins (isolation & purification) |
| 2 | Plant Proteins (immunology) |
| 2 | Plant Proteins (chemistry) |
| 2 | Plant Leaves (parasitology) |
| 2 | Plant Leaves (drug effects) |
| 2 | Plant Growth Regulators (pharmacology) |
| 2 | Plant Growth Regulators (metabolism) |
| 2 | Plant Diseases (virology) |
| 2 | Plant Diseases (immunology) |
| 2 | Picea (metabolism) |
| 2 | Picea (growth & development) |
| 2 | Picea (chemistry) |
| 2 | Phytophthora (pathogenicity) |
| 2 | Phytophthora (genetics) |
| 2 | Photosynthesis (MeSH) |
| 2 | Phospholipids (metabolism) |
| 2 | Phloem (physiology) |
| 2 | Phloem (microbiology) |
| 2 | Petroleum (MeSH) |
| 2 | Panama (MeSH) |
| 2 | Oxidative Stress (MeSH) |
| 2 | Organisms, Genetically Modified (MeSH) |
| 2 | Oligonucleotide Array Sequence Analysis (MeSH) |
| 2 | Olea (microbiology) |
| 2 | Nucleic Acid Hybridization (MeSH) |
| 2 | Norway (MeSH) |
| 2 | Nitrogen Fixation (genetics) |
| 2 | Nitrogen (MeSH) |
| 2 | Mycorrhizae (enzymology) |
| 2 | Moths (physiology) |
| 2 | Morus (genetics) |
| 2 | Models, Theoretical (MeSH) |
| 2 | Models, Molecular (MeSH) |
| 2 | Models, Genetic (MeSH) |
| 2 | Minerals (metabolism) |
| 2 | Microsatellite Repeats (MeSH) |
| 2 | Microbiota (immunology) |
| 2 | Microbial Viability (MeSH) |
| 2 | Microbial Interactions (physiology) |
| 2 | Microbial Consortia (physiology) |
| 2 | Microbial Consortia (genetics) |
| 2 | Mice (MeSH) |
| 2 | Metallothionein (genetics) |
| 2 | Metabolomics (methods) |
| 2 | Metabolomics (MeSH) |
| 2 | Metabolome (MeSH) |
| 2 | Membrane Transport Proteins (genetics) |
| 2 | Magnoliopsida (genetics) |
| 2 | Magnetic Resonance Spectroscopy (MeSH) |
| 2 | Larva (drug effects) |
| 2 | Laccaria (physiology) |
| 2 | Internet (MeSH) |
| 2 | Immunity, Innate (MeSH) |
| 2 | Hydrogen (metabolism) |
| 2 | Hydrocarbons (metabolism) |
| 2 | Hybridization, Genetic (MeSH) |
| 2 | Hot Temperature (MeSH) |
| 2 | Host-Pathogen Interactions (physiology) |
| 2 | Host Specificity (MeSH) |
| 2 | Host Microbial Interactions (physiology) |
| 2 | Host Microbial Interactions (immunology) |
| 2 | Host Microbial Interactions (MeSH) |
| 2 | Homeostasis (MeSH) |
| 2 | High-Throughput Nucleotide Sequencing (methods) |
| 2 | High-Throughput Nucleotide Sequencing (MeSH) |
| 2 | Herbivory (physiology) |
| 2 | Grassland (MeSH) |
| 2 | Genome, Fungal (MeSH) |
| 2 | Genome, Bacterial (genetics) |
| 2 | Genome, Archaeal (MeSH) |
| 2 | Genetic Markers (genetics) |
| 2 | Genes, Reporter (MeSH) |
| 2 | Gene-Environment Interaction (MeSH) |
| 2 | Gene Expression Regulation, Enzymologic (MeSH) |
| 2 | Gene Duplication (MeSH) |
| 2 | Gastrointestinal Tract (microbiology) |
| 2 | Fungi (metabolism) |
| 2 | Fungi (growth & development) |
| 2 | Fungi (drug effects) |
| 2 | Fungal Proteins (isolation & purification) |
| 2 | Feeding Behavior (MeSH) |
| 2 | Fagus (microbiology) |
| 2 | Fabaceae (microbiology) |
| 2 | Drug Resistance, Bacterial (MeSH) |
| 2 | Disease Resistance (MeSH) |
| 2 | Databases, Genetic (MeSH) |
| 2 | DNA, Ribosomal Spacer (genetics) |
| 2 | DNA, Plant (genetics) |
| 2 | DNA, Complementary (MeSH) |
| 2 | DNA, Bacterial (analysis) |
| 2 | Crystallography, X-Ray (MeSH) |
| 2 | Crop Production (MeSH) |
| 2 | Conserved Sequence (MeSH) |
| 2 | Colombia (MeSH) |
| 2 | Cities (MeSH) |
| 2 | Chromosomes, Plant (genetics) |
| 2 | Child (MeSH) |
| 2 | Cell Line (MeSH) |
| 2 | Cation Transport Proteins (metabolism) |
| 2 | Carrier Proteins (MeSH) |
| 2 | Carbon Dioxide (analysis) |
| 2 | Carbohydrate Metabolism (MeSH) |
| 2 | Bryophyta (microbiology) |
| 2 | Bradyrhizobium (genetics) |
| 2 | Basidiomycota (isolation & purification) |
| 2 | Basidiomycota (classification) |
| 2 | Bacteria (MeSH) |
| 2 | Bacillus (metabolism) |
| 2 | Australia (MeSH) |
| 2 | Asthma (microbiology) |
| 2 | Ascomycota (genetics) |
| 2 | Arthropods (MeSH) |
| 2 | Arabidopsis Proteins (metabolism) |
| 2 | Arabidopsis (metabolism) |
| 2 | Anti-Bacterial Agents (pharmacology) |
| 2 | Aluminum Silicates (metabolism) |
| 2 | Alnus (microbiology) |
| 2 | Air Pollution (analysis) |
| 2 | Agaricales (metabolism) |
| 2 | Adolescent (MeSH) |
| 2 | Adenosine Triphosphatases (genetics) |
| 2 | Adaptation, Physiological (genetics) |
| 2 | Acer (microbiology) |
| 1 | ras Proteins (genetics) |
| 1 | ras Proteins (chemistry) |
| 1 | Zooplankton (drug effects) |
| 1 | Zinc (toxicity) |
| 1 | Zinc (analysis) |
| 1 | Zinc (adverse effects) |
| 1 | Zea mays (growth & development) |
| 1 | Young Adult (MeSH) |
| 1 | Yeasts (metabolism) |
| 1 | Yeasts (classification) |
| 1 | Yeasts (chemistry) |
| 1 | Xylem (parasitology) |
| 1 | Xenorhabdus (immunology) |
| 1 | Xanthomonas campestris (pathogenicity) |
| 1 | Xanthomonas (pathogenicity) |
| 1 | Xanthomonas (genetics) |
| 1 | Wood (microbiology) |
| 1 | Wood (metabolism) |
| 1 | Wood (chemistry) |
| 1 | Wine (MeSH) |
| 1 | Wheat Germ Agglutinins (immunology) |
| 1 | West Virginia (MeSH) |
| 1 | Weevils (microbiology) |
| 1 | Water Purification (methods) |
| 1 | Water Microbiology (MeSH) |
| 1 | Water (chemistry) |
| 1 | Water (analysis) |
| 1 | Water (MeSH) |
| 1 | Wasps (physiology) |
| 1 | Wasps (microbiology) |
| 1 | Volcanic Eruptions (MeSH) |
| 1 | Volatile Organic Compounds (pharmacology) |
| 1 | Vitamins (metabolism) |
| 1 | Vitamin K 2 (analysis) |
| 1 | Virus Internalization (MeSH) |
| 1 | Virus Assembly (MeSH) |
| 1 | Virulence Factors (genetics) |
| 1 | Virginia (MeSH) |
| 1 | Viral Vaccines (therapeutic use) |
| 1 | Viral Vaccines (immunology) |
| 1 | Viral Proteins (metabolism) |
| 1 | Viral Proteins (genetics) |
| 1 | Verrucomicrobia (growth & development) |
| 1 | Verrucomicrobia (genetics) |
| 1 | Verrucomicrobia (classification) |
| 1 | Vacuoles (metabolism) |
| 1 | Urinary Tract Infections (microbiology) |
| 1 | Urea (metabolism) |
| 1 | Up-Regulation (genetics) |
| 1 | Umbellularia (microbiology) |
| 1 | Tylenchoidea (physiology) |
| 1 | Tylenchoidea (cytology) |
| 1 | Tubulin (genetics) |
| 1 | Truncated Hemoglobins (metabolism) |
| 1 | Truncated Hemoglobins (genetics) |
| 1 | Triticum (microbiology) |
| 1 | Tricholoma (physiology) |
| 1 | Trichoderma (MeSH) |
| 1 | Trees (ultrastructure) |
| 1 | Trees (drug effects) |
| 1 | Trees (chemistry) |
| 1 | Treatment Outcome (MeSH) |
| 1 | Transplantation Tolerance (MeSH) |
| 1 | Transformation, Genetic (MeSH) |
| 1 | Transfection (MeSH) |
| 1 | Transcriptome (genetics) |
| 1 | Transcription Activator-Like Effectors (metabolism) |
| 1 | Transcription Activator-Like Effectors (genetics) |
| 1 | Trace Elements (toxicity) |
| 1 | Trace Elements (metabolism) |
| 1 | Trace Elements (analysis) |
| 1 | Toxins, Biological (biosynthesis) |
| 1 | Tobacco (virology) |
| 1 | Tobacco (metabolism) |
| 1 | Tobacco (genetics) |
| 1 | Tobacco (classification) |
| 1 | Th2 Cells (immunology) |
| 1 | Th1 Cells (immunology) |
| 1 | Terpenes (pharmacology) |
| 1 | Terpenes (metabolism) |
| 1 | Terpenes (chemistry) |
| 1 | Termitomyces (metabolism) |
| 1 | Tephritidae (microbiology) |
| 1 | Tannins (MeSH) |
| 1 | Tandem Mass Spectrometry (MeSH) |
| 1 | Symbiosis (drug effects) |
| 1 | Sweden (MeSH) |
| 1 | Swallows (microbiology) |
| 1 | Surface-Active Agents (isolation & purification) |
| 1 | Surface-Active Agents (analysis) |
| 1 | Subtilisins (metabolism) |
| 1 | Subtilisins (isolation & purification) |
| 1 | Subtilisins (genetics) |
| 1 | Subcellular Fractions (metabolism) |
| 1 | Subcellular Fractions (drug effects) |
| 1 | Stress, Physiological (genetics) |
| 1 | Stress, Physiological (drug effects) |
| 1 | Streptomyces (physiology) |
| 1 | Stenotrophomonas (genetics) |
| 1 | Stenotrophomonas (classification) |
| 1 | Spores, Protozoan (growth & development) |
| 1 | Spores, Fungal (ultrastructure) |
| 1 | Spores, Fungal (genetics) |
| 1 | Spores, Fungal (chemistry) |
| 1 | Spores, Fungal (MeSH) |
| 1 | Spike Glycoprotein, Coronavirus (immunology) |
| 1 | Spike Glycoprotein, Coronavirus (genetics) |
| 1 | Spike Glycoprotein, Coronavirus (chemistry) |
| 1 | Spermidine (analysis) |
| 1 | Spain (MeSH) |
| 1 | Soybeans (parasitology) |
| 1 | Soybeans (cytology) |
| 1 | South Africa (MeSH) |
| 1 | Solubility (MeSH) |
| 1 | Soil Pollutants, Radioactive (toxicity) |
| 1 | Soil Pollutants (toxicity) |
| 1 | Soil Pollutants (isolation & purification) |
| 1 | Soil Pollutants (adverse effects) |
| 1 | Software (MeSH) |
| 1 | Sodium Chloride (pharmacology) |
| 1 | Sodium Chloride (metabolism) |
| 1 | Sinorhizobium meliloti (genetics) |
