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Noncoding RNAs evolutionarily extend animal lifespan.

Anyou Wang1

  • 1Feinstone Center for Genomic Research, University of Memphis, Memphis, TN 38152, USA.

Global Medical Genetics
|March 17, 2025
PubMed
Summary
This summary is machine-generated.

Noncoding RNAs (ncRNAs), not proteins, drive animal lifespan evolution by altering genome length and acquiring longevity motifs. This research offers insights into aging and reproduction across species.

Keywords:
AgingEvolutionExtendLifespanLongevityNcRNANoncoding RNAs

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Area of Science:

  • Evolutionary Biology
  • Genomics
  • Molecular Biology

Background:

  • The evolutionary drivers of lifespan across diverse animal species are not fully understood.
  • The roles of noncoding RNAs (ncRNAs) in evolutionary processes are largely unexplored.
  • Previous research has primarily focused on proteins as key evolutionary molecules.

Purpose of the Study:

  • To investigate the role of noncoding RNAs (ncRNAs) in the evolution of animal lifespan.
  • To identify specific genetic mechanisms, particularly ncRNA changes, associated with longevity.
  • To explore the differential impact of ncRNAs on lifespan and reproduction.

Main Methods:

  • Computational analysis of large genomic and transcriptomic datasets across various animal species.
  • Comparative genomic analysis to track changes in ncRNA and protein sequences over evolutionary time.
  • Identification and characterization of specific ncRNA motifs associated with longevity.

Main Results:

  • Noncoding RNAs (ncRNAs), rather than proteins, are the primary drivers of animal lifespan evolution.
  • Species exhibit evolutionary increases in ncRNA length and decreases in mitochondrial genome length, correlating with longevity.
  • Acquisition of long-lived ncRNA motifs (e.g., GGTGCG) and loss of short-lived motifs occur during lifespan extension, contrasting with protein evolution.
  • Longevity-associated ncRNAs are active in key tissues like the endometrium, ovaries, testes, and cerebral cortex, with higher activity in female reproductive tissues.

Conclusions:

  • Noncoding RNAs (ncRNAs) play a fundamental role in driving the evolution of longevity and reproduction.
  • ncRNAs perform a broader range of essential functions than previously recognized.
  • This study provides a new framework for understanding and potentially intervening in aging and longevity.