Rhizobia serve as model system for examining how phenotypic changes in rhizobia influence the plant. Rhizobium-legume symbioses result in the formation of nodules on the root systems of host plants. Compositional and functional changes in microbial communities facilitate the host plants’ response to environmental stressors (i.e.; drought stress). Physiological effects of soil moisture on microbial communities result in specialized communities that can tolerate much low soil-moisture habitats while others are limited to high soil-moisture environments. This suggests microbial communities can assist in maintaining plant fitness when exposed to nonideal environmental conditions.
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Smith, Faith; Ricks, Kevin; and Yannarell, Anthony, "GEMS Student: Biofilm Production in Rhizobia Influences Clover Drought Response" (2021). PRECS student works. 65.