Publications by authors named "Sarah C Ludington"

Article Synopsis
  • FoxP2 is a transcription factor known for its role in vocal communication, but its function in regulating social behavior in vertebrates other than humans, mice, and songbirds is still unclear.
  • Researchers studied the presence and activity of FoxP2-positive neurons in tadpoles of the mimic poison frog, especially focusing on their aggressive and begging behaviors.
  • The results revealed that FoxP2 neurons had increased activity in specific brain regions during social interactions, suggesting that FoxP2 may play a broader role in social behavior across different species of terrestrial vertebrates.
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The ways in which animals sense the world changes throughout development. For example, young of many species have limited visual capabilities, but still make social decisions, likely based on information gathered through other sensory modalities. Poison frog tadpoles display complex social behaviors that have been suggested to rely on vision despite a century of research indicating tadpoles have poorly-developed visual systems relative to adults.

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Electroporation is an increasingly common technique used for exogenous gene expression in live animals, but protocols are largely limited to traditional laboratory organisms. The goal of this protocol is to test in vivo electroporation techniques in a diverse array of tadpole species. We explore electroporation efficiency in tissue-specific cells of five species from across three families of tropical frogs: poison frogs (Dendrobatidae), cryptic forest/poison frogs (Aromobatidae), and glassfrogs (Centrolenidae).

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Motor function is a critical aspect of social behavior in a wide range of taxa. The transcription factor FoxP2 is well studied in the context of vocal communication in humans, mice, and songbirds, but its role in regulating social behavior in other vertebrate taxa is unclear. We examined the distribution and activity of FoxP2-positive neurons in tadpoles of the mimic poison frog ().

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