What does this research mean for the field?

Ovine fetal muscle development is regulated by nine stage-specific gene modules and three critical developmental transitions at embryonic days 29, 45, and 85, driven by novel hub genes such as CORIN and SMOC1/2. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This research aims to elucidate the gene expression dynamics during ovine fetal muscle development to enhance meat yield and quality.

February 14, 2026GenomicsOpen Access

A spatiotemporal atlas of gene expression in ovine fetal muscle reveals critical transitions and modular networks driving myogenesis

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Key result

RNA-seq identifies nine stage-specific gene modules and novel hub genes regulating ovine fetal muscle development.

Why the study?

Understanding the molecular mechanisms during fetal myogenesis is crucial for improving meat yield and quality in livestock.

Population

Skeletal muscle tissues from Chinese Merino sheep across 11 key developmental time points (D26 to D135)

Comparison

Gene expression across 11 developmental time points from embryonic day 26 to D135

Design

Spatiotemporal RNA-seq and weighted gene co-expression network analysis

Authors

ZGZhenzhen GuChinese Academy of Medical Sciences & Peking Union Medical College WDWeiwei DuanXinjiang Academy of Animal Science CLChenxi LiuXinjiang Academy of Animal Science

Discussion

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Implication

Hypothesis-generating for ovine myogenesis; leaves open translational value for breeding or other species pending validation.

Key Points

This research aims to elucidate the gene expression dynamics during ovine fetal muscle development to enhance meat yield and quality.
Performed RNA-seq on skeletal muscle tissues from Chinese Merino sheep at 11 developmental time points.
Utilized weighted gene co-expression network analysis (WGCNA) to identify gene modules.
Validated key hub genes and signaling pathways using functional enrichment and protein-protein interaction networks.
Identified nine distinct gene modules associated with specific developmental stages.
Pinpointed critical transition points at D29, D45, and D85 for myogenic processes.
Discovered novel hub genes such as CORIN and ADAMTS that play regulatory roles in myogenesis.

Structured PICO

Population

Skeletal muscle tissues from Chinese Merino sheep across 11 key developmental time points, from embryonic day 26 (D26) to near birth (D135)

Intervention

RNA-seq analysis and weighted gene co-expression network analysis (WGCNA)

Outcome

Gene expression networks and modules associated with specific developmental stagessurrogate

The study provides a systems-level framework for understanding ovine fetal myogenesis and offers candidate targets for livestock genetic improvement.

Cite This Study

Gu et al. (2026) studied this question. Nine stage-specific gene modules and three critical transitions at D29, D45, and D85 regulate ovine fetal muscle development, identifying novel hub genes like CORIN and SMOC1/2.

synapsesocial.com/papers/699010942ccff479cfe56d85 https://doi.org/10.1016/j.ygeno.2026.111219

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A spatiotemporal atlas of gene expression in ovine fetal muscle reveals critical transitions and modular networks driving myogenesis

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

A spatiotemporal atlas of gene expression in ovine fetal muscle reveals critical transitions and modular networks driving myogenesis

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

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