Importance of the Rhizosphere Microbiota in Iron Biofortification of Plants

Increasing the iron content of plant products and iron assimilability represents a major issue for human nutrition and health. This is also a major challenge because iron is not readily available for plants in most cultivated soils despite its abundance in the Earth’s crust. Iron biofortification is...

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Autores principales:	Tristan Lurthy, Barbara Pivato, Philippe Lemanceau, Sylvie Mazurier
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	iron biotic interactions plant–microbe interaction microbiota plant nutrition iron biofortification Plant culture SB1-1110
Acceso en línea:	https://doaj.org/article/f93b584c36034bf5b12fd64b06cf64bc
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spelling	oai:doaj.org-article:f93b584c36034bf5b12fd64b06cf64bc2021-12-03T12:23:06ZImportance of the Rhizosphere Microbiota in Iron Biofortification of Plants1664-462X10.3389/fpls.2021.744445https://doaj.org/article/f93b584c36034bf5b12fd64b06cf64bc2021-12-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fpls.2021.744445/fullhttps://doaj.org/toc/1664-462XIncreasing the iron content of plant products and iron assimilability represents a major issue for human nutrition and health. This is also a major challenge because iron is not readily available for plants in most cultivated soils despite its abundance in the Earth’s crust. Iron biofortification is defined as the enhancement of the iron content in edible parts of plants. This biofortification aims to reach the objectives defined by world organizations for human nutrition and health while being environment friendly. A series of options has been proposed to enhance plant iron uptake and fight against hidden hunger, but they all show limitations. The present review addresses the potential of soil microorganisms to promote plant iron nutrition. Increasing knowledge on the plant microbiota and plant-microbe interactions related to the iron dynamics has highlighted a considerable contribution of microorganisms to plant iron uptake and homeostasis. The present overview of the state of the art sheds light on plant iron uptake and homeostasis, and on the contribution of plant-microorganism (plant-microbe and plant-plant-microbe) interactions to plant nutritition. It highlights the effects of microorganisms on the plant iron status and on the co-occurring mechanisms, and shows how this knowledge may be valued through genetic and agronomic approaches. We propose a change of paradigm based on a more holistic approach gathering plant and microbial traits mediating iron uptake. Then, we present the possible applications in plant breeding, based on plant traits mediating plant-microbe interactions involved in plant iron uptake and physiology.Tristan LurthyBarbara PivatoPhilippe LemanceauSylvie MazurierFrontiers Media S.A.articleironbiotic interactionsplant–microbe interactionmicrobiotaplant nutritioniron biofortificationPlant cultureSB1-1110ENFrontiers in Plant Science, Vol 12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	iron biotic interactions plant–microbe interaction microbiota plant nutrition iron biofortification Plant culture SB1-1110
spellingShingle	iron biotic interactions plant–microbe interaction microbiota plant nutrition iron biofortification Plant culture SB1-1110 Tristan Lurthy Barbara Pivato Philippe Lemanceau Sylvie Mazurier Importance of the Rhizosphere Microbiota in Iron Biofortification of Plants
description	Increasing the iron content of plant products and iron assimilability represents a major issue for human nutrition and health. This is also a major challenge because iron is not readily available for plants in most cultivated soils despite its abundance in the Earth’s crust. Iron biofortification is defined as the enhancement of the iron content in edible parts of plants. This biofortification aims to reach the objectives defined by world organizations for human nutrition and health while being environment friendly. A series of options has been proposed to enhance plant iron uptake and fight against hidden hunger, but they all show limitations. The present review addresses the potential of soil microorganisms to promote plant iron nutrition. Increasing knowledge on the plant microbiota and plant-microbe interactions related to the iron dynamics has highlighted a considerable contribution of microorganisms to plant iron uptake and homeostasis. The present overview of the state of the art sheds light on plant iron uptake and homeostasis, and on the contribution of plant-microorganism (plant-microbe and plant-plant-microbe) interactions to plant nutritition. It highlights the effects of microorganisms on the plant iron status and on the co-occurring mechanisms, and shows how this knowledge may be valued through genetic and agronomic approaches. We propose a change of paradigm based on a more holistic approach gathering plant and microbial traits mediating iron uptake. Then, we present the possible applications in plant breeding, based on plant traits mediating plant-microbe interactions involved in plant iron uptake and physiology.
format	article
author	Tristan Lurthy Barbara Pivato Philippe Lemanceau Sylvie Mazurier
author_facet	Tristan Lurthy Barbara Pivato Philippe Lemanceau Sylvie Mazurier
author_sort	Tristan Lurthy
title	Importance of the Rhizosphere Microbiota in Iron Biofortification of Plants
title_short	Importance of the Rhizosphere Microbiota in Iron Biofortification of Plants
title_full	Importance of the Rhizosphere Microbiota in Iron Biofortification of Plants
title_fullStr	Importance of the Rhizosphere Microbiota in Iron Biofortification of Plants
title_full_unstemmed	Importance of the Rhizosphere Microbiota in Iron Biofortification of Plants
title_sort	importance of the rhizosphere microbiota in iron biofortification of plants
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/f93b584c36034bf5b12fd64b06cf64bc
work_keys_str_mv	AT tristanlurthy importanceoftherhizospheremicrobiotainironbiofortificationofplants AT barbarapivato importanceoftherhizospheremicrobiotainironbiofortificationofplants AT philippelemanceau importanceoftherhizospheremicrobiotainironbiofortificationofplants AT sylviemazurier importanceoftherhizospheremicrobiotainironbiofortificationofplants
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Importance of the Rhizosphere Microbiota in Iron Biofortification of Plants

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