NDLI: Discovering the role of mitochondria in the iron deficiency-induced metabolic responses of plants.

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Discovering the role of mitochondria in the iron deficiency-induced metabolic responses of plants.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Vigani, Gianpiero
Description	Country affiliation: Italy Author Affiliation: Vigani G ( Dipartimento di Produzione Vegetale, Università degli Studi di Milano, Via Celoria 2, 20133 Milano, Italy. gianpiero.vigani@unimi.it)
Abstract	In plants, iron (Fe) deficiency-induced chlorosis is a major problem, affecting both yield and quality of crops. Plants have evolved multifaceted strategies, such as reductase activity, proton extrusion, and specialised storage proteins, to mobilise Fe from the environment and distribute it within the plant. Because of its fundamental role in plant productivity, several issues concerning Fe homeostasis in plants are currently intensively studied. The activation of Fe uptake reactions requires an overall adaptation of the primary metabolism because these activities need the constant supply of energetic substrates (i.e., NADPH and ATP). Several studies concerning the metabolism of Fe-deficient plants have been conducted, but research focused on mitochondrial implications in adaptive responses to nutritional stress has only begun in recent years. Mitochondria are the energetic centre of the root cell, and they are strongly affected by Fe deficiency. Nevertheless, they display a high level of functional flexibility, which allows them to maintain the viability of the cell. Mitochondria represent a crucial target of studies on plant homeostasis, and it might be of interest to concentrate future research on understanding how mitochondria orchestrate the reprogramming of root cell metabolism under Fe deficiency. In this review, I summarise what it is known about the effect of Fe deficiency on mitochondrial metabolism and morphology. Moreover, I present a detailed view of the possible roles of mitochondria in the development of plant responses to Fe deficiency, integrating old findings with new and discussing new hypotheses for future investigations.
File Format	HTM / HTML
ISSN	01761617
Issue Number	1
Volume Number	169
e-ISSN	16181328
Journal	Journal of Plant Physiology
Language	English
Publisher	Elsevier
Publisher Date	2012-01-01
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Botany Energy Metabolism Iron Metabolism Mitochondria Plant Diseases Plants Adaptation, Physiological Cell Respiration Citric Acid Cycle Homeostasis Nadp Plant Roots Signal Transduction Journal Article Research Support, Non-u.s. Gov't Review
Content Type	Text
Resource Type	Article
Subject	Physiology Plant Science Agronomy and Crop Science

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