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Epigenetic regulation of iron homeostasis in Arabidopsis.


ABSTRACT: Iron (Fe) is one of the most important microelement required for plant growth and development because of its unique property of catalyzing oxidation/reduction reactions. Iron deficiency impairs fundamental processes which could lead to a decrease in chlorophyll production and pollen fertility, thus influencing crop productivity and quality. However, iron in excess is toxic to the cell and is harmful to the plant. To exactly control the iron content in all tissues, plants have evolved many strategies to regulate iron homeostasis, which refers to 2 successive steps: iron uptake at the root surface, and iron distribution in vivo. In the last decades, a number of transporters and regulatory factors involved in this process have been isolated and identified. To cope with the complicated flexible environmental conditions, plants apply diverse mechanisms to regulate the expression and activity of these components. One of the most important mechanisms is epigenetic regulation of iron homeostasis. This review has been presented to provide an update on the information supporting the involvement of histone modifications in iron homeostasis and possible future course of the field.

SUBMITTER: Xing J 

PROVIDER: S-EPMC4854357 | biostudies-other | 2015

REPOSITORIES: biostudies-other

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