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May 17, 2026PlantsOpen Access

The Content of Small 18S rRNA Fragments Is Regulated Developmentally and in Response to Stress in Plants

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Authors

AMAngelina A. MalyshevaTLTaissiya S. LopatchenkoKOKamilla G. Osikova

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Overview

Randomized trial analyzes 18S rRNA fragment levels in plants under stress, suggesting implications for plant development.

Key Points

  • This research aims to examine how small 18S rRNA fragments are regulated during plant development and in response to stress.
  • Northern blotting analyzed total RNA from diverse angiosperms.
  • Stem-loop array RT-PCR mapped the cleavage sites of 18S rRNA fragments.
  • Comparative analysis between wheat cultivars assessed osmotic stress tolerance.
  • Extreme drought induced accumulation of three distinct 18S rRNA fragments in all studied angiosperms.
  • Wheat cultivars tolerant to osmotic stress showed significantly higher fragmentation levels compared to sensitive cultivars.
  • Fragmented ribosomes were eliminated during embryo maturation, indicating regulated ribophagy.

Cite This Study

Malysheva et al. (2026) studied this question.

synapsesocial.com/papers/6a095c5d7880e6d24efe26f8https://doi.org/10.3390/plants15101512
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Regulation of Pre-rRNA Processing in Plant: Mechanisms, Plasticity, and Developmental Implications2026 · 2 citations
  2. 2Diverse stresses differentially regulate rRNA biogenesis and mRNA translation2026
  3. 3Optimization of ribosome profiling in plants including structural analysis of rRNA fragments2024 · 5 citations
  4. 4Multi‐layered <scp>RNA</scp> decay mechanisms underlie subgenome‐biased homoeologous <scp>mRNA</scp> stability in salt‐stressed allopolyploid plants2026
  5. 5Structure under stress: conserved RNA structure in plant interaction with the environment.2026