Bacterial Siderophores: Classification, Biosynthesis, Perspectives of Use in Agriculture

Anna M. Timofeeva, Maria R. Galyamova, Sergey E. Sedykh

Результат исследования: Научные публикации в периодических изданияхобзорная статьярецензирование

Аннотация

Siderophores are synthesized and secreted by many bacteria, yeasts, fungi, and plants for Fe (III) chelation. A variety of plant-growth-promoting bacteria (PGPB) colonize the rhizosphere and contribute to iron assimilation by plants. These microorganisms possess mechanisms to produce Fe ions under iron-deficient conditions. Under appropriate conditions, they synthesize and release siderophores, thereby increasing and regulating iron bioavailability. This review focuses on various bacterial strains that positively affect plant growth and development through synthesizing siderophores. Here we discuss the diverse chemical nature of siderophores produced by plant root bacteria; the life cycle of siderophores, from their biosynthesis to the Fe–siderophore complex degradation; three mechanisms of siderophore biosynthesis in bacteria; the methods for analyzing siderophores and the siderophore-producing activity of bacteria and the methods for screening the siderophore-producing activity of bacterial colonies. Further analysis of biochemical, molecular–biological, and physiological features of siderophore synthesis by bacteria and their use by plants will allow one to create effective microbiological preparations for improving soil fertility and increasing plant biomass, which is highly relevant for sustainable agriculture.

Язык оригиналаанглийский
Номер статьи3065
ЖурналPlants
Том11
Номер выпуска22
DOI
СостояниеОпубликовано - нояб. 2022

Предметные области OECD FOS+WOS

  • 1.05 НАУКИ О ЗЕМЛЕ И СМЕЖНЫЕ ЭКОЛОГИЧЕСКИЕ НАУКИ
  • 1.06 БИОЛОГИЧЕСКИЕ НАУКИ

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