ArticleJournal, genetic engineering & biotechnology2024
Preserving the adaptive salt stress response activity of a tissue-specific promoter with modulating activity.
Article in Journal, genetic engineering & biotechnology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThe Arabidopsis "Redox Responsive Transcription Factor1" (RRTF1) promoter is transiently activated by salt stress in roots over 6 h period, followed by an adaptation phase during which its activity returns to baseline levels, even if the salt stress is prolonged. This enables the short-term production of genes that, while initially advantageous to the plant, will have long-term detrimental effects if expressed at high levels indefinitely.
resultsIn this paper, we demonstrate that the RRTF1 promoter salt adaption response is a dominant feature of the promoter, that cannot be overwritten by a strong enhancer. While maintaining the transient activation profile of the RRTF1 promoter, linking it to the 35S enhancer results in a significant boost of salt stress induction in roots.
conclusionThe RRTF1 promoter's enhanced and still adaptable activity could become a useful tool in plant biotechnology.
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