Abstract
The existence of host plant genes essential for symbiotic nitrogen fixation has been suggested by the isolation of legume Fix− mutants, the nodules of which are normally endocytosed by rhizobia but exhibit little or no nitrogen-fixing activity. However, it has been difficult to identify the genes responsible for the Fix− phenotype because of the large genome size of crop legumes. Genome sequencing of the model legume Lotus japonicus allowed us to identify the causal genes in Fix− mutants by map-based cloning. This chapter describes the Lotus genes involved in nodule function and nitrogen fixation as identified by forward genetics.
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Acknowledgments
The author thanks Dr. F.C. Guinel (Wilfrid Laurier University, Waterloo, Canada) for critical reading of the manuscript.
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Suganuma, N. (2014). Lotus Genes Involved in Nodule Function and Nitrogen Fixation. In: Tabata, S., Stougaard, J. (eds) The Lotus japonicus Genome. Compendium of Plant Genomes. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-44270-8_8
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DOI: https://doi.org/10.1007/978-3-662-44270-8_8
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