Synthetic bacterium-facilitated colonization of nitrogen-fixing bacteria for remodeling the rhizosphere microbiome and improving plant yield.

ABSTRACT:

Background

Nitrogen-fixing bacteria (NFBs) play a critical role in biological nitrogen fixation for supplying essential nitrogen nutrients to plants in agriculture and natural ecosystems. Especially, these bacteria and Leguminosae plants form symbiosis to improve plant growth and soil fertility. Theoretically, the inoculation of NFBs into soils increases biological nitrogen fixation, but the efficiency of NFBs is frequently compromised by the low capacity of NFB root colonization. In this study, we introduced the synthetic bacterium EcCMC, which was genetically engineered to express the surface-displayed artificial polysaccharide (PS)-recognizing protein Cmc, to test if it can improve NFBs root colonization in representative Leguminosae plants, including Astragalus sinicus and Medi

SUBMITTER: Liu S 

PROVIDER: S-EPMC12772082 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature