NDLI: Understanding the boron transport network in plants

Content Provider	Springer Nature Link
Author	Reid, Rob
Copyright Year	2014
Abstract	Boron is an essential nutrient for plants and has a largely structural role in development. Globally, there are large tracts of arable land that are deficient in boron, and others where plant growth is restricted by high and toxic boron concentrations. Plants have evolved a range of strategies to cope with deficiency and excess, and considerable genotypic variation exists in responses to variable boron supply.Boron is available to plants as boric acid, a small molecule with a high membrane permeability compared to other mineral nutrients. As a result, its uptake and distribution in plants can be more difficult to control. This review examines the interconnecting network of processes that are employed by plants to try to achieve optimal growth under conditions where the boron supply may be low, adequate or potentially toxic.The emerging picture of boron movement in plants is of a complex multi-layered system designed to optimise the use of boron over a broad range of concentrations. At the cellular level, plants can switch the direction of boron flow through the polar expression of membrane transporters, while at the whole plant level, integration of xylem and phloem transfer can deliver boron to specific tissues dependent on developmental stage.
Starting Page	1
Ending Page	13
Page Count	13
File Format	PDF
ISSN	0032079X
Journal	Plant and Soil
Volume Number	385
Issue Number	1-2
e-ISSN	15735036
Language	English
Publisher	Springer International Publishing
Publisher Date	2014-06-04
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Aquaporins Boron deficiency BOR genes Boron toxicity Boron transporter Efflux pump Plant Sciences Soil Science & Conservation Plant Physiology Ecology
Content Type	Text
Resource Type	Article
Subject	Soil Science Plant Science

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