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https://hdl.handle.net/2440/44536
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Type: | Journal article |
Title: | Identification of boron transporter genes likely to be responsible for tolerance to boron toxicity in wheat and barley |
Author: | Reid, R. |
Citation: | Plant and Cell Physiology, 2007; 48(12):1673-1678 |
Publisher: | Japanese Soc Plant Physiologists |
Issue Date: | 2007 |
ISSN: | 0032-0781 1471-9053 |
Statement of Responsibility: | Rob Reid |
Abstract: | Tolerance to boron (B) toxicity in cereals is known to be associated with reduced tissue accumulation of B. Genes from roots of B-tolerant cultivars of wheat and barley with high similarities to previously reported B efflux transporters from Arabidopsis and rice were cloned. Expression of these genes was strongly correlated with the ability of tolerant genotypes to lower the concentration of B in roots. The gene from barley located to chromosome 4. Backcross lines containing a B-tolerance locus on chromosome 4 showed tolerance in proportion to the level of expression of the transporter gene, whereas those lacking the locus were sensitive to B and had very low levels of gene expression. The results are consistent with a widespread mechanism of tolerance to high B based on efflux of B from root cells. |
Keywords: | BOR genes boron tolerance boron toxicity Hordeum vulgare membrane transporter Triticum aestivum |
Description: | Copyright © The Author 2007. Published by Oxford University Press on behalf of Japanese Society of Plant Physiologists. All rights reserved. |
DOI: | 10.1093/pcp/pcm159 |
Published version: | http://pcp.oxfordjournals.org/cgi/content/abstract/pcm159v1 |
Appears in Collections: | Aurora harvest 6 Earth and Environmental Sciences publications |
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