Changes in the community structure and activity of betaproteobacterial ammonia-oxidizing sediment bacteria along a freshwater–marine gradient

Agriculture & Biology

• community structure 70%
• sediments 68%
• ammonia 62%
• Nitrosospira 53%
• bacteria 41%
• Nitrosomonas oligotropha 33%
• salinity 26%
• denaturing gradient gel electrophoresis 19%
• Nitrospira marina 17%
• Nitrosomonas marina 17%
• Nitrosomonas cryotolerans 17%
• stable isotopes 17%
• estuaries 17%
• oxidants 16%
• Nitrosomonas 13%
• Nitrosomonas europaea 12%
• molecular cloning 12%
• ribosomal RNA 11%
• Scotland 8%
• nitrites 8%
• nucleic acids 7%
• centrifugation 7%
• species diversity 6%
• coasts 6%
• oxidation 6%
• sampling 5%
• genes 5%

Medicine & Life Sciences

• Nitrosomonas 100%
• Ammonia 84%
• Bacteria 50%
• Salinity 49%
• Fresh Water 30%
• Estuaries 27%
• Isotopes 17%
• rRNA Genes 17%
• 16S Ribosomal RNA 17%
• Electrophoresis 15%
• Organism Cloning 15%
• Gels 13%
• cesium chloride 11%
• Scotland 9%
• Nitrites 9%
• Centrifugation 8%
• Nucleic Acids 8%

Earth & Environmental Sciences

• community structure 63%
• ammonia 59%
• bacterium 47%
• sediment 35%
• salinity 23%
• cloning 20%
• marina 18%
• electrokinesis 15%
• stable isotope 14%
• gel 14%
• estuary 12%
• gene 12%
• nucleic acid 10%
• centrifugation 9%
• sampling 9%
• diversity index 8%
• species diversity 7%
• nitrite 7%
• oxidation 5%
• coast 4%
• analysis 4%
• distribution 2%