Engineering of Azotobacter chroococcum enables potential replacement of synthetic nitrogen fertilizer and mitigation of nitrogen pollutants release under medium-fertility field conditions.

doi:10.1016/j.biortech.2026.134346

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Article

Engineering of Azotobacter chroococcum enables potential replacement of synthetic nitrogen fertilizer and mitigation of nitrogen pollutants release under medium-fertility field conditions.

Bioresource technology - 1 May 2026

Tian Ping, Wang Jun-Feng, Wang Dao-Yuan, Xun Yu-Dian, Shi Xiao-Hui, Chen Ming-Zhu, Liang Yun-Ying, Yang Mei-Ting, Li Qu-Sheng

Abstract excerpt

Engineered free-living diazotrophs with enhanced ammonium excretion have long been proposed as a promising biofertilizer to replace chemical nitrogen fertilizers synthesized via the Haber-Bosch process. Deletion of nifL has been widely used as a strategy to engineer nitrogen-fixing strains with enhanced NH4+ excretion. However, the effects of nifL mutation on the global expression of genes and proteins in...

Topics

Azotobacter
Fertilizers
Nitrogen
Nitrogen Fixation
Bacterial Proteins
Genetic Engineering
Mutation

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Open in PubMed

Identifiers

PMID: 41791609
DOI: 10.1016/j.biortech.2026.134346

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 30 Aug 2026.

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