Nitrogen Fixation

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  Subject Areas on Research

  • Biological nitrogen fixation by alternative nitrogenases in boreal cyanolichens: importance of molybdenum availability and implications for current biological nitrogen fixation estimates. 
  • Characterization of a major cluster of nif, fix, and associated genes in a sugarcane endophyte, Acetobacter diazotrophicus. 
  • Conservation of structure and location of Rhizobium meliloti and Klebsiella pneumoniae nifB genes. 
  • Endosymbiosis. 
  • Expression of photosynthesis genes in relation to nitrogen fixation in the diazotrophic filamentous nonheterocystous cyanobacterium Trichodesmium sp. IMS 101. 
  • Functional shifts in unvegetated, perhumid, recently-deglaciated soils do not correlate with shifts in soil bacterial community composition. 
  • Indole-3-acetic acid biosynthesis is deficient in Gluconacetobacter diazotrophicus strains with mutations in cytochrome c biogenesis genes. 
  • Interactions among nitrogen fixation and soil phosphorus acquisition strategies in lowland tropical rain forests. 
  • Invasive species' leaf traits and dissimilarity from natives shape their impact on nitrogen cycling: a meta-analysis. 
  • Is there foul play in the leaf pocket? The metagenome of floating fern Azolla reveals endophytes that do not fix N2 but may denitrify. 
  • Microbial community shifts influence patterns in tropical forest nitrogen fixation. 
  • N2 fixation estimates in real-time by cavity ring-down laser absorption spectroscopy 
  • New nitrogen-fixing microorganisms detected in oligotrophic oceans by amplification of Nitrogenase (nifH) genes. 
  • Nitrogen fertilization has a stronger effect on soil nitrogen-fixing bacterial communities than elevated atmospheric CO2. 
  • Perspectives on the modern nitrogen cycle. 
  • Proteome reference maps of the Lotus japonicus nodule and root. 
  • Rates of fixation by lightning of carbon and nitrogen in possible primitive atmospheres. 
  • Revisiting the distribution of oceanic N2 fixation and estimating diazotrophic contribution to marine production. 
  • Short-term N2 fixation kinetics in a moss-associated cyanobacteria 
  • Spatially robust estimates of biological nitrogen (N) fixation imply substantial human alteration of the tropical N cycle. 
  • Transformation of the nitrogen cycle: recent trends, questions, and potential solutions. 
  • Tree species control rates of free-living nitrogen fixation in a tropical rain forest. 
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  Keywords of People

  • Muir, Kelly Walton, Associate Professor of Ophthalmology, Ophthalmology, Glaucoma