Large hydrogen isotope fractionation distinguishes nitrogenase-derived methane from other methane sources

Medicine & Life Sciences

• Nitrogenase 100%
• Methane 86%
• Hydrogen 73%
• Isotopes 68%
• Nitrogen 27%
• Greenhouse Gases 13%
• Dermatoglyphics 9%
• Carbon 7%
• Rhodopseudomonas 7%
• Carbon Isotopes 7%
• Nitrogen Fixation 6%
• Noble Gases 5%
• Vanadium 5%
• Atmosphere 4%
• Enzymes 4%
• Carbon Dioxide 4%
• Microbiota 3%
• Iron 3%
• Growth 1%

Agriculture & Biology

• isotope fractionation 89%
• nitrogenase 70%
• methane 61%
• hydrogen 57%
• nitrogen 16%
• microorganisms 10%
• greenhouse gases 9%
• methane production 8%
• carbon dioxide 6%
• Rhodopseudomonas palustris 5%
• carbon 5%
• vanadium 5%
• energy 4%
• carbon isotopes 4%
• biogeochemical cycles 4%
• stable isotopes 4%
• nitrogen fixation 4%
• microbial communities 3%
• enzymes 3%
• fractionation 3%
• gases 2%
• iron 2%

Earth & Environmental Sciences

• hydrogen isotope 76%
• fractionation 52%
• methane 48%
• nitrogen 26%
• greenhouse gas 10%
• enzyme 10%
• biological nitrogen fixation 9%
• isotopic fractionation 7%
• methanogenesis 7%
• carbon 7%
• biogeochemical cycle 7%
• vanadium 7%
• energy 6%
• carbon isotope 5%
• byproduct 5%
• isotopic composition 5%
• stable isotope 5%
• microbial community 5%
• carbon dioxide 4%
• hydrogen 4%
• substrate 4%
• iron 4%
• atmosphere 3%
• gas 3%