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Transcription factors WRKY11 and WRKY17 are involved in abiotic stress responses in Arabidopsis
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2018 (English)In: Journal of plant physiology (Print), ISSN 0176-1617, E-ISSN 1618-1328, Vol. 226, p. 12-21Article in journal (Refereed) Published
Abstract [en]

Plant WRKY transcription factors play a vital role in abiotic stress tolerance and regulation of plant defense responses. This study examined AtWRKY11 and AtWRKY17 expression under ABA, salt, and osmotic stress at different developmental stages in Arabidopsis. We used reverse transcriptase PCR, quantitative real-time PCR, and promoter:GUS lines to analyze expression. Both genes were upregulated in response to abiotic stress. Next, we applied the same stressors to seedlings of T-DNA insertion wrky11 and 17 knock-out mutants (single and double). Under stress, the mutants exhibited slower germination and compromised root growth compared with the wild type. In most cases, double-mutant seedlings were more affected than single mutants. These results suggest that wrky11 and wrky17 are not strictly limited to plant defense responses but are also involved in conferring stress tolerance.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 226, p. 12-21
Keywords [en]
Abiotic stress, Expression analysis, Drought, Salinity, WRKY transcription factors, AtWRKY11, AtWRKY17
National Category
Plant Biotechnology
Identifiers
URN: urn:nbn:se:umu:diva-176701DOI: 10.1016/j.jplph.2018.04.007ISI: 000437285800002OAI: oai:DiVA.org:umu-176701DiVA, id: diva2:1500967
Available from: 2020-11-14 Created: 2020-11-14 Last updated: 2020-11-17Bibliographically approved

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Imran, Qari Muhammad
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CiteExportLink to record
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Cite
Citation style
  • apa
  • ieee
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  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf