Certain plants fix their own atmospheric nitrogen through symbiotic bacteria
Certain plants, notably legumes, fix their own atmospheric nitrogen through symbiotic relationships with specialized diazotrophic bacteria such as rhizobia.
The claim is specific, empirical, and well-supported by multiple retrieved papers detailing the symbiotic nitrogen fixation process between plants (such as legumes) and diazotrophic rhizobia bacteria.
Leroy T, Goormachtig S, Van Dingenen J. Unraveling carbon dynamics in legume-rhizobia symbioses: toward a single-cell resolution of symbiotic metabolism.. 2026. https://doi.org/10.1093/jxb/erag342
This study details how legumes acquire nitrogen via a symbiotic interaction with diazotrophic rhizobia bacteria.
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Suwa T, Lau JA. The role of microbial resource mutualists in plant adaptation to abiotic environments.. 2026. https://doi.org/10.1093/evolut/qpag113
This research highlights the role of nitrogen-fixing rhizobium mutualists in plant local adaptation and nodulation.
Wang T, Wang F, Su S, Yan L, Hao Z, Xu J, Han H, Wu Y, Li D, Zhang S. Engineering Symbiotic Nitrogen Fixation for Agriculture: Predominant Role of Host Plants and Fine-Tuning Regulation.. 2026. https://doi.org/10.3390/plants15081256
This review discusses symbiotic nitrogen fixation as a sustainable and self-sufficient nitrogen source for legume plants.
Khantsi M, Babalola OO. Influence of Cowpea Plants on Soil Bacterial Community and Soil Quality: Effects of the Rhizosphere.. 2026. https://doi.org/10.1002/pei3.70157
This review explores how cowpea roots foster nitrogen-fixing rhizobia to enhance soil fertility and plant growth.
Ranjan P, Das D, Bundela V, Ramesh A, Verma RK, Nargund R, Manandhar U, Drijber R, Upadhyay RK, Sharma MP. Role of rhizosphere specific microbiome in enhancing soybean productivity across contrasting soil and crop management systems.. 2026. https://doi.org/10.3389/fpls.2026.1830235
This paper notes that soybeans utilize symbiotic interactions with rhizobia to enhance plant growth and reduce fertilizer needs.
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