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Related Experiment Video

Updated: Aug 21, 2025

Feeding of Ticks on Animals for Transmission and Xenodiagnosis in Lyme Disease Research

Feeding of Ticks on Animals for Transmission and Xenodiagnosis in Lyme Disease Research

Published on: August 31, 2013

How vertebrates got their bite.

Thomas F Schilling¹, Pierre Le Pabic²

¹Department of Developmental and Cell Biology, University of California, Irvine, Irvine, United States.

|November 15, 2022

Summary

This summary is machine-generated.

A newly identified genetic enhancer may explain how vertebrates evolved jaw articulation. This discovery sheds light on the evolutionary development of jaw opening and closing mechanisms.

Keywords:

cis-regulatory element developmental biology enhancer deletion evolution evolutionary biology gnathostome jaw joint nkx3.2 zebrafish

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Area of Science:

Evolutionary developmental biology
Comparative genomics

Background:

Jaw articulation is a key innovation in vertebrate evolution.
Understanding the genetic basis of vertebrate innovations is crucial.

Discussion:

A novel enhancer region has been identified that may have played a role in the evolution of jaw articulation.
This enhancer's activity correlates with the development of jaw structures.

Key Insights:

The newly discovered enhancer region is a potential driver for the evolution of jaw opening and closing in vertebrates.
This finding provides a molecular explanation for a significant vertebrate evolutionary transition.

Outlook:

Further research can explore the precise regulatory mechanisms of this enhancer.
Investigating homologous regions in non-vertebrate species could reveal deeper evolutionary insights.