Molecular Biology and Genetic Engineering in Nitrogen Fixation
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Biological nitrogen fixation is a complex and tightly regulated process limited to a group of prokaryotic species known as diazotrophs. Among well-studied diazotrophs, Azotobacter vinelandii is the best studied for its convenience of aerobic growth, its high levels of nitrogenase expression, and its genetic tractability. This chapter includes protocols and strategies in the molecular biology and genetic engineering of A. vinelandii that have been used as valuable tools for advancing studies on the biosynthesis, mechanism, and regulation of nitrogen fixation.
