The genetic complexity of nitrogen fixation. The ninth Fleming lecture.
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Gene Expression Regulation↗
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Results for “NITROGEN FIXATION”
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Catalase activity and nitrogen fixation in legume root nodules.
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Catalase↗
Organization of the genes for nitrogen fixation in photosynthetic bacteria and cyanobacteria.
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Cyanobacteria↗
Nitrogen fixation in the genus Bacillus.
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Bacillus↗
Nitrogen fixation and photosynthetic oxygen evolution in cyanobacteria.
The biological reduction of N(2) is catalyzed by nitrogenase, which is irreversibly inhibited by molecular oxygen. Cyanobacteria are the only diazotrophs (nitrogen-fixing organisms) that produce oxygen as a by-product of the photosynthetic process, and which must negotiate the inevitable presence of molecular oxygen with an essentially anaerobic enzyme. In this review, we present an analysis of the geochemical conditions under which nitrogenase evolved and examine how the evolutionary history of the enzyme complex corresponds to the physiological, morphological, and developmental strategies for reducing damage by molecular oxygen. Our review highlights biogeochemical constraints on diazotrophic cyanobacteria in the contemporary world.
Cyanobacteria↗
On the nitrogen fixation by Egyptian blue green algae.
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Culture Media↗
Physiological studies on nitrogen fixation in the blue-green alga Anabaena cylindrica.
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Argon↗
Action of alkylating agents on nitrogen fixation by clones of Anabaena doliolum Bharadwaja.
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Alkylating Agents↗
Conversion of acetylene reduction rates to nitrogen fixation rates in natural populations of blue-green algae.
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Acetylene↗
Primary products of symbiotic nitrogen fixation. II. Pulse-labelling of serradella nodules with 15N2.
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Amino Acids↗
Nitrogenase reactivity: effects of component ratio on electron flow and distribution during nitrogen fixation.
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Azotobacter↗
Expression of Klebsiella nitrogen fixation genes (nif) in Azotobacter.
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Azotobacter↗
NITROGEN FIXATION BY PHOTOSYNTHETIC BACTERIA.
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Bacteria↗
Nitrogen fixation and hydrogenase in various bacterial species.
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Bacteria↗
Nitrogen fixation by Klebsiella grown in the presence of oxygen.
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Aerobiosis↗
Molecular basis of biological nitrogen fixation.
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Electron Transport↗
[Rapid method of determining the capacity for symbiotic nitrogen fixation in growing plants under sterile and under natural conditions].
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Bacteriological Techniques↗
[The non-specific protein nitrogen fixation by cardiolipin antigens in normal and syphilitic sera].
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Antigens↗