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Novel genomics insights into the molecular evolution of long-distance migratory mammals
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Novel genomics insights into the molecular evolution of long-distance migratory mammals
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Journal Article
Novel genomics insights into the molecular evolution of long-distance migratory mammals
2025
Overview
Background
Understanding the genetic basis of long-distance migration in mammals provides important insights into the evolutionary mechanisms that enable species to adapt to changing environments. Despite its ecological significance, the molecular factors underlying this complex trait remain poorly understood.
Results
Our analyses reveal distinct evolutionary signatures associated with long-distance migration in mammals. Through comparative genomics analyses of representative mammalian genomes, we identified multiple genes under positive selection, exhibiting accelerated evolutionary rates, or showing significant correlation with long-distance migration. These genes are predominantly involved in functions related to memory, sensory perception, and locomotor abilities. Additionally, evidence of convergent evolution was detected in genes associated with key biological processes such as energy metabolism, genomic stability, and stress response.
Conclusions
Our findings reveal novel molecular signatures linked to long-distance migration in mammals, shedding light on the evolutionary adaptations that support this behavior. This study enhances understanding of how genetic changes contribute to complex migratory traits and offers a foundation for future research on mammalian adaptation to environmental challenges.
