Nitrate Supply-Dependent Shifts in Communities of Root-Associated Bacteria in Arabidopsis.

ABSTRACT: Root-associated bacterial communities are necessary for healthy plant growth. Nitrate is a signal molecule as well as a major nitrogen source for plant growth. In this study, nitrate-dependent alterations in root-associated bacterial communities and the relationship between nitrate signaling and root-associated bacteria in Arabidopsis were examined. The bacterial community was analyzed by a ribosomal RNA intergenic spacer analysis (RISA) and 16S rRNA amplicon sequencing. The Arabidopsis root-associated bacterial community shifted depending on the nitrate amount and timing of nitrate application. The relative abundance of operational taxonomic units of 25.8% was significantly changed by the amount of nitrate supplied. Moreover, at the family level, the relative abundance of several major ro

SUBMITTER: Konishi N 

PROVIDER: S-EPMC5745015 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature