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Accelerated FoxP2 evolution in echolocating bats.

Gang Li1, Jinhong Wang, Stephen J Rossiter

  • 1School of Life Science, East China Normal University, Shanghai, China.

Plos One
|September 20, 2007
PubMed
Summary
This summary is machine-generated.

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The FOXP2 gene, crucial for vocalization, shows surprising diversity in echolocating bats. This suggests a role for FOXP2 evolution in the development of bat echolocation and sensorimotor coordination.

Area of Science:

  • Evolutionary biology
  • Genetics
  • Bioacoustics

Background:

  • The FOXP2 gene is a transcription factor involved in orofacial coordination and vocalization.
  • Previous studies suggested high conservation of FOXP2 across vertebrates, with notable differences between humans and chimpanzees linked to language evolution.

Purpose of the Study:

  • To investigate the role of the FOXP2 gene in the evolution of echolocation in bats.
  • To determine if mutations in FOXP2 are associated with the development of echolocation capabilities.

Main Methods:

  • Sequencing of the FoxP2 gene in various bat species, including echolocating and non-echolocating bats.
  • Comparative analysis of FoxP2 sequences across different mammal species.

Main Results:

Related Experiment Videos

  • Contrary to previous assumptions, FoxP2 is not highly conserved across nonhuman mammals; it exhibits extreme diversity in echolocating bats.
  • Evidence of divergent selection at FoxP2 was found between bats with different sonar systems.

Conclusions:

  • The findings suggest a potential role for FOXP2 in the evolution and development of echolocation.
  • Accelerated evolution of FoxP2 in bats supports its proposed function in sensorimotor coordination, particularly in the context of complex vocalizations for navigation and hunting.