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January 22, 2026Journal of Agricultural and Food Chemistry

Arginine-Rich Motif-Tandem CCCH Zinc Finger BnaTZF1 Protein Enhances Drought Stress Tolerance by Post-transcriptional Regulation of Target mRNAs in Brassica napus

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Authors

LZLei ZhangBPBoyi PiJPJiao Pan

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Overview

Phenotypic and molecular analyses reveal that BnaTZF1A/1C improve drought tolerance in Brassica napus, suggesting potential for crop enhancement.

Key Points

  • This research aims to understand how the BnaTZF1 proteins regulate drought stress responses in Brassica napus.
  • Conducted phenotypic, physiological, and cytological analyses on BnaTZF1A and BnaTZF1C overexpression and knockdown lines.
  • Utilized RIP-seq and REMSA to identify target mRNAs for BnaTZF1A.
  • Examined the effects of BnaTZF1A on its own mRNA levels and target gene transcripts.
  • Overexpression of BnaTZF1A and BnaTZF1C enhanced drought stress tolerance and led to late flowering.
  • Knockdown of these proteins reduced drought tolerance.
  • BnaTZF1A regulated the stability of several target mRNAs, including its own, to modulate the drought response.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6971be2c642b1836717e2c8ehttps://doi.org/10.1021/acs.jafc.5c06472
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