ArticleBMC plant biology2026
Efficient rhizobium strains enhance nitrogen fixation and growth in alfalfa by improving photosynthetic carbon metabolism and respiratory nitrogen assimilation.
Article in BMC plant biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
- Effects of Water and Nitrogen Regulation on Alfalfa (Plants (Basel, Switzerland) · 2026Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
backgroundImproved symbiotic nitrogen fixation efficiency between alfalfa (Medicago sativa L.) and rhizobia represents a green development strategy that addresses the demand for high‑quality protein, while also serving as a critical measure for safeguarding China's food security. Currently, there is limited research on how rhizobium inoculation influences alfalfa growth and development through photosynthesis and respiratory metabolism. Furthermore, studies examining the impact of rhizobium strains with differing symbiotic effectiveness on these metabolic pathways remain scarce.
resultsThe number of effective nodules per plant (7), nitrogenase activity (0.29 µmol·g
conclusionsFollowing inoculation with LL2, the levels of key metabolites associated with photosynthesis and respiration underwent systematic changes in the leaves, roots, and nodules of the plants. The enhanced symbiotic nitrogen fixation and plant growth were associated with synergistic changes in the host plant's photosynthetic carbon metabolism, respiratory energy metabolism, and nitrogen assimilation pathways. The findings of this study suggest potential strategies for enhancing nitrogen accumulation, possibly through modulating the energy balance of the symbiotic system, which could improve nitrogen fixation efficiency and ultimately increase legume yield and quality.
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