Journal article Open Access

Friend or Foe? Chloride Patterning in Halophytes

Nadia Bazihizina; Timothy D. Colmer; Tracey Ann Cuin; Stefano Mancuso; Sergey Shabala


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<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:creator>Nadia Bazihizina</dc:creator>
  <dc:creator>Timothy D. Colmer</dc:creator>
  <dc:creator>Tracey Ann Cuin</dc:creator>
  <dc:creator>Stefano Mancuso</dc:creator>
  <dc:creator>Sergey Shabala</dc:creator>
  <dc:date>2019-02-01</dc:date>
  <dc:description>In this opinion article, we challenge the traditional view that breeding for reduced Cl- uptake would benefit plant salinity tolerance. A negative correlation between shoot Cl- concentration and plant biomass does not hold for halophytes - naturally salt tolerant species. We argue that, under physiologically relevant conditions, Cl- uptake requires plants to invest metabolic energy, and that the poor selectivity of Cl--transporting proteins may explain the reported negative correlation between Cl- accumulation and crop salinity tolerance. We propose a new paradigm: salinity tolerance could be achieved by improving the selectivity of some of the broadly selective anion-transporting proteins (e.g., for NO3-&gt;Cl-), alongside tight control of Cl- uptake, rather than targeting traits mediating its efflux from the root.</dc:description>
  <dc:identifier>https://zenodo.org/record/2558332</dc:identifier>
  <dc:identifier>10.1016/j.tplants.2018.11.003</dc:identifier>
  <dc:identifier>oai:zenodo.org:2558332</dc:identifier>
  <dc:relation>info:eu-repo/grantAgreement/EC/H2020/700001/</dc:relation>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>https://creativecommons.org/licenses/by/4.0/legalcode</dc:rights>
  <dc:subject>Ca(2+) signalling</dc:subject>
  <dc:subject>efflux</dc:subject>
  <dc:subject>halophytes</dc:subject>
  <dc:subject>influx</dc:subject>
  <dc:subject>membrane transport proteins</dc:subject>
  <dc:subject>salinity tolerance</dc:subject>
  <dc:title>Friend or Foe? Chloride Patterning in Halophytes</dc:title>
  <dc:type>info:eu-repo/semantics/article</dc:type>
  <dc:type>publication-article</dc:type>
</oai_dc:dc>
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