| 4066 | Populus |
| 1219 | Plant Leaves |
| 1152 | Gene Expression Regulation, Plant |
| 1074 | Plant Proteins |
| 972 | Trees |
| 699 | Phylogeny |
| 670 | Animals |
| 665 | Molecular Sequence Data |
| 665 | Humans |
| 641 | Plants, Genetically Modified |
| 596 | Genes, Plant |
| 574 | Plant Roots |
| 539 | Wood |
| 489 | Biomass |
| 467 | Amino Acid Sequence |
| 460 | Arabidopsis |
| 447 | Lignin |
| 423 | Genome, Plant |
| 421 | Gene Expression Profiling |
| 406 | Soil |
| 387 | Photosynthesis |
| 378 | Water |
| 359 | Ecosystem |
| 345 | Sequence Analysis, DNA |
| 337 | Stress, Physiological |
| 334 | Male |
| 331 | Female |
| 325 | Biodegradation, Environmental |
| 321 | Plant Stems |
| 306 | Cell Wall |
| 300 | Seasons |
| 293 | Time Factors |
| 291 | China |
| 279 | Base Sequence |
| 276 | Species Specificity |
| 276 | Nitrogen |
| 269 | Xylem |
| 264 | Soil Pollutants |
| 263 | Plants |
| 257 | Temperature |
| 252 | Genetic Variation |
| 249 | Transcription Factors |
| 247 | Genotype |
| 235 | Carbon Dioxide |
| 227 | Phenotype |
| 224 | Multigene Family |
| 224 | Environmental Monitoring |
| 219 | Carbon |
| 218 | Evolution, Molecular |
| 215 | Sequence Alignment |
| 211 | Cellulose |
| 210 | Droughts |
| 201 | Cloning, Molecular |
| 194 | Plant Diseases |
| 192 | Adult |
| 179 | Hydrolysis |
| 177 | DNA, Plant |
| 176 | Models, Biological |
| 172 | Promoter Regions, Genetic |
| 170 | RNA, Messenger |
| 168 | Adaptation, Physiological |
| 167 | RNA, Plant |
| 166 | Kinetics |
| 160 | Signal Transduction |
| 160 | Arabidopsis Proteins |
| 158 | Sequence Homology, Amino Acid |
| 155 | Plant Shoots |
| 155 | Chromosome Mapping |
| 152 | Transcriptome |
| 146 | Plant Transpiration |
| 145 | Soil Microbiology |
| 145 | Ozone |
| 144 | Hybridization, Genetic |
| 140 | Middle Aged |
| 139 | Salix |
| 139 | Chlorophyll |
| 138 | Polymorphism, Single Nucleotide |
| 138 | Plant Growth Regulators |
| 133 | Gene Expression |
| 132 | Adolescent |
| 128 | Metals, Heavy |
| 127 | Phenols |
| 125 | Reverse Transcriptase Polymerase Chain Reaction |
| 125 | Oryza |
| 121 | Plant Extracts |
| 121 | DNA, Complementary |
| 119 | Oligonucleotide Array Sequence Analysis |
| 118 | Genomics |
| 116 | Mutation |
| 114 | Cadmium |
| 113 | Mycorrhizae |
| 113 | MicroRNAs |
| 113 | Chromosomes, Plant |
| 112 | Recombinant Proteins |
| 112 | Hydrogen-Ion Concentration |
| 111 | Forests |
| 110 | Hemiterpenes |
| 109 | Sodium Chloride |
| 109 | Computational Biology |
| 109 | Air Pollutants |
| 108 | Butadienes |
| 107 | Seedlings |
| 107 | Pinus |
| 107 | Oxidation-Reduction |
| 107 | Light |
| 107 | DNA, Bacterial |
| 106 | Water Pollutants, Chemical |
| 105 | Biological Transport |
| 103 | Flowers |
| 103 | Aged |
| 102 | Conserved Sequence |
| 101 | Young Adult |
| 101 | Tobacco |
| 101 | Cluster Analysis |
| 100 | Pentanes |
| 100 | Hot Temperature |
| 99 | Plant Stomata |
| 99 | Magnoliopsida |
| 99 | Gene Duplication |
| 99 | Betula |
| 98 | Rivers |
| 98 | RNA, Ribosomal, 16S |
| 96 | Crosses, Genetic |
| 96 | Basidiomycota |
| 96 | Antioxidants |
| 95 | Gene Expression Regulation, Developmental |
| 95 | Fungi |
| 95 | Expressed Sequence Tags |
| 95 | Conservation of Natural Resources |
| 94 | Models, Genetic |
| 94 | Carbohydrate Metabolism |
| 93 | Microsatellite Repeats |
| 91 | Polysaccharides |
| 90 | Reproducibility of Results |
| 90 | Pollen |
| 89 | Transcription, Genetic |
| 89 | Larva |
| 89 | Herbivory |
| 88 | Proteomics |
| 88 | Environment |
| 88 | Cellulase |
| 87 | Polymerase Chain Reaction |
| 87 | Bacteria |
| 86 | Models, Molecular |
| 86 | Indoleacetic Acids |
| 85 | Chromatography, High Pressure Liquid |
| 84 | Quantitative Trait Loci |
| 84 | Gene Expression Regulation, Enzymologic |
| 84 | Abscisic Acid |
| 83 | Symbiosis |
| 83 | Biotechnology |
| 82 | Genetic Markers |
| 81 | Biodiversity |
| 80 | Ascomycota |
| 79 | Zinc |
| 79 | Moths |
| 79 | Genetics, Population |
| 79 | Escherichia coli |
| 79 | Copper |
| 79 | Climate Change |
| 78 | Transformation, Genetic |
| 77 | Zea mays |
| 77 | Plant Bark |
| 77 | Magnetic Resonance Spectroscopy |
| 77 | Gene Regulatory Networks |
| 77 | Carbon Isotopes |
| 77 | Carbohydrates |
| 76 | Xylans |
| 76 | Agriculture |
| 75 | Substrate Specificity |
| 75 | Flavonoids |
| 74 | Salicaceae |
| 74 | Propolis |
| 74 | Computer Simulation |
| 74 | Coleoptera |
| 73 | Quercus |
| 73 | Population Dynamics |
| 73 | Geography |
| 72 | Oxidoreductases |
| 72 | Databases, Genetic |
| 71 | Protein Structure, Tertiary |
| 70 | Gas Chromatography-Mass Spectrometry |
| 70 | Ethanol |
| 70 | Climate |
| 70 | Binding Sites |
| 69 | Forestry |
| 68 | Real-Time Polymerase Chain Reaction |
| 68 | Photoperiod |
| 67 | Psychotic Disorders |
| 67 | Fungal Proteins |
| 67 | Fermentation |
| 66 | Salt Tolerance |
| 66 | Mass Spectrometry |
| 66 | Hydrogen Peroxide |
| 66 | High-Throughput Nucleotide Sequencing |
| 66 | Biofuels |
| 65 | Treatment Outcome |
| 65 | Plant Development |
| 65 | Phloem |
| 65 | Oxidative Stress |
| 65 | Organ Specificity |
| 65 | Down-Regulation |
| 65 | Algorithms |
| 64 | Cold Temperature |
| 64 | Chloroplasts |
| 63 | Volatile Organic Compounds |
| 63 | Phosphorus |
| 63 | Circadian Rhythm |
| 62 | Spectroscopy, Fourier Transform Infrared |
| 62 | Picea |
| 62 | Fatty Acids |
| 62 | DNA, Fungal |
| 61 | Reactive Oxygen Species |
| 60 | Proteome |
| 60 | DNA Primers |
| 59 | Linkage Disequilibrium |
| 59 | Glucosyltransferases |
| 59 | Chimera |
| 59 | Bacterial Proteins |
| 59 | Analysis of Variance |
| 59 | Acclimatization |
| 58 | United States |
| 58 | Models, Theoretical |
| 57 | Molecular Structure |
| 57 | Biological Evolution |
| 56 | Protein Conformation |
| 56 | Glucose |
| 56 | Gene Library |
| 56 | Alleles |
| 55 | Sequence Analysis, RNA |
| 55 | Seeds |
| 55 | RNA Interference |
| 55 | Protein Binding |
| 55 | Child |
| 53 | Base Composition |
| 52 | Sequence Homology, Nucleic Acid |
| 52 | Molecular Sequence Annotation |
| 52 | Adsorption |
| 51 | Poaceae |
| 51 | Molecular Weight |
| 51 | Metals |
| 51 | Crops, Agricultural |
| 50 | Reproduction |
| 50 | Principal Component Analysis |
| 50 | Peroxidases |
| 50 | Dose-Response Relationship, Drug |
| 49 | Meristem |
| 49 | Isoenzymes |
| 49 | Feeding Behavior |
| 49 | Environmental Pollution |
| 49 | Dehydration |
| 49 | Cyclopentanes |
| 49 | Allergens |
| 48 | Synteny |
| 48 | Quantitative Trait, Heritable |
| 48 | Polymorphism, Genetic |
| 48 | Lead |
| 48 | Introns |
| 48 | Glucuronidase |
| 48 | Glucosides |
| 48 | Genetic Linkage |
| 48 | Canada |
| 47 | Software |
| 47 | Plastocyanin |
| 47 | Microscopy, Electron, Scanning |
| 47 | Mice |
| 47 | Insecta |
| 47 | Ecology |
| 47 | Bacterial Typing Techniques |
| 46 | Oxylipins |
| 46 | Haplotypes |
| 46 | Europe |
| 45 | Selection, Genetic |
| 45 | Saccharomyces cerevisiae |
| 45 | Risk Factors |
| 45 | Potassium |
| 45 | Glycosyltransferases |
| 45 | Glutathione |
| 45 | Genome-Wide Association Study |
| 45 | Environmental Restoration and Remediation |
| 45 | Cambium |
| 45 | Amino Acids |
| 44 | Gibberellins |
| 43 | Vitis |
| 43 | Salinity |
| 43 | Metabolic Networks and Pathways |
| 43 | Acer |
| 42 | Volatilization |
| 42 | Solubility |
| 42 | Nitrates |
| 42 | Eucalyptus |
| 42 | Disease Resistance |
| 41 | Up-Regulation |
| 41 | Fluorescence |
| 41 | Fertilizers |
| 40 | Triticum |
| 40 | Tandem Mass Spectrometry |
| 40 | Recombinant Fusion Proteins |
| 40 | Plant Structures |
| 40 | Glycosides |
| 40 | Environmental Pollutants |
| 40 | Aquaporins |
| 40 | Alkyl and Aryl Transferases |
| 39 | Superoxide Dismutase |
| 39 | Regression Analysis |
| 39 | Plants, Medicinal |
| 39 | Methyltransferases |
| 39 | Groundwater |
| 39 | Cell Membrane |
| 39 | Cell Differentiation |
| 38 | Transgenes |
| 38 | Surveys and Questionnaires |
| 38 | Protein Transport |
| 38 | Mercury |
| 38 | Cell Nucleus |
| 38 | Calcium |
| 38 | Blotting, Northern |
| 37 | Solvents |
| 37 | Rhizosphere |
| 37 | Phospholipids |
| 37 | Industrial Waste |
| 37 | Host-Pathogen Interactions |
| 37 | Glucans |
| 37 | Cells, Cultured |
| 37 | Australia |
| 37 | Atmosphere |
| 36 | Stress, Mechanical |
| 36 | Nucleic Acid Hybridization |
| 36 | North America |
| 36 | Metabolome |
| 36 | Genetic Association Studies |
| 36 | Desert Climate |
| 36 | DNA, Ribosomal |
| 36 | DNA Methylation |
| 36 | Amino Acid Motifs |
| 36 | Aged, 80 and over |
| 35 | Oxygen |
| 35 | Internet |
| 35 | DNA, Ribosomal Spacer |
| 35 | Crystallography, X-Ray |
| 35 | Alcohol Oxidoreductases |
| 34 | Water Movements |
| 34 | Trace Elements |
| 34 | Tissue Distribution |
| 34 | Sucrose |
| 34 | Polymorphism, Restriction Fragment Length |
| 34 | Laccaria |
| 34 | Genetic Complementation Test |
| 34 | Gene Flow |
| 34 | Cell Respiration |
| 34 | Catalysis |
| 33 | Sequence Analysis, Protein |
| 33 | Salicylic Acid |
| 33 | Models, Statistical |
| 33 | Italy |
| 33 | Iron |
| 33 | Host-Parasite Interactions |
| 33 | Genetic Loci |
| 33 | Culture Media |
| 32 | Sodium |
| 32 | Retrospective Studies |
| 32 | Proanthocyanidins |
| 32 | Plant Physiological Phenomena |
| 32 | Gene Ontology |
| 32 | Electrophoresis, Polyacrylamide Gel |
| 32 | Aphids |
| 31 | Mixed Function Oxygenases |
| 31 | Mining |
| 31 | Microscopy, Electron, Transmission |
| 31 | Glutaredoxins |
| 31 | Genetic Vectors |
| 31 | Genetic Engineering |
| 31 | Genes, Reporter |
| 31 | Gases |
| 31 | Cytochrome P-450 Enzyme System |
| 31 | Catalytic Domain |
| 31 | Biosynthetic Pathways |
| 31 | Anti-Bacterial Agents |
| 30 | Rhizobium |
| 30 | Protein Isoforms |
| 30 | Mutagenesis, Site-Directed |
| 30 | Liriodendron |
| 30 | Homeostasis |
| 30 | Ethylenes |
| 30 | Cross-Sectional Studies |
| 30 | Chromatography, Liquid |
| 30 | Child, Preschool |
| 30 | Charcoal |
| 30 | Blotting, Western |
| 30 | Adaptation, Biological |
| 29 | Waste Disposal, Fluid |
| 29 | Ultraviolet Rays |
| 29 | Tannins |
| 29 | Starch |
| 29 | Prospective Studies |
| 29 | Plant Cells |
| 29 | Microbiota |
| 29 | Microbial Sensitivity Tests |
| 29 | Linear Models |
| 29 | Gene Expression Regulation, Fungal |
| 29 | Exons |
| 29 | Enzymes |
| 28 | Soybeans |
| 28 | Sensitivity and Specificity |
| 28 | Schizophrenia |
| 28 | Psychiatric Status Rating Scales |
| 28 | Plastids |
| 28 | Open Reading Frames |
| 28 | Oligosaccharides |
| 28 | Lepidoptera |
| 28 | Electrophoresis, Gel, Two-Dimensional |
| 28 | DNA-Binding Proteins |
| 28 | Chemical Fractionation |
| 28 | Cattle |
| 28 | Blotting, Southern |
| 27 | Xylose |
| 27 | Terpenes |
| 27 | Tennessee |
| 27 | Surface Properties |
| 27 | Quality of Life |
| 27 | Proteins |
| 27 | Peptides |
| 27 | Particle Size |
| 27 | Nitric Oxide |
| 27 | Disasters |
| 27 | Biomechanical Phenomena |
| 27 | Bayes Theorem |
| 27 | Anti-Infective Agents |
| 26 | Tamaricaceae |
| 26 | Polyploidy |
| 26 | Pectins |
| 26 | Malondialdehyde |
| 26 | Gene Frequency |
| 26 | Gene Expression Regulation |
| 26 | Fresh Water |
| 26 | Electron Transport |
| 26 | Cytokinins |
| 26 | Bioreactors |
| 25 | Thermodynamics |
| 25 | Spectrum Analysis, Raman |
| 25 | Spain |
| 25 | Refuse Disposal |
| 25 | Hydroponics |
| 25 | Humidity |
| 25 | Food Chain |
| 25 | Fires |
| 25 | Endophytes |
| 25 | Crystallization |
| 25 | Coumaric Acids |
| 25 | Coenzyme A Ligases |
| 25 | Clone Cells |
| 25 | Cities |
| 25 | Chromosomes, Artificial, Bacterial |
| 25 | Cell Line |
| 25 | Agrobacterium tumefaciens |
| 25 | Acetates |
| 24 | X-Ray Diffraction |
| 24 | Wind |
| 24 | Trichloroethylene |
| 24 | Tracheophyta |
| 24 | Thioredoxins |
| 24 | Subcellular Fractions |
| 24 | Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization |
| 24 | Recombination, Genetic |
| 24 | Rats |
| 24 | Rain |
| 24 | Pest Control, Biological |
| 24 | Panicum |
| 24 | Osmotic Pressure |
| 24 | Organophosphorus Compounds |
| 24 | Multivariate Analysis |
| 24 | Ionic Liquids |
| 24 | Enzyme Inhibitors |
| 24 | Cytosol |
| 24 | Alberta |
| 23 | Skin Tests |
| 23 | Rhinitis, Allergic, Seasonal |
| 23 | Population Density |
| 23 | Peroxidase |
| 23 | Nuclear Magnetic Resonance, Biomolecular |
| 23 | Immunity, Innate |
| 23 | Genes, Bacterial |
| 23 | Cysteine |
| 23 | Benzyl Alcohols |
| 23 | Altitude |
| 23 | Alkalies |
| 22 | beta-Glucosidase |
| 22 | Turkey |
| 22 | Trichoderma |
| 22 | Sunlight |
| 22 | Structure-Activity Relationship |
| 22 | Regeneration |
| 22 | Protein Structure, Secondary |
| 22 | Plasmids |
| 22 | Organic Chemicals |
| 22 | Models, Chemical |
| 22 | Likelihood Functions |
| 22 | In Situ Hybridization |
| 22 | Green Fluorescent Proteins |
| 22 | Germination |
