We study development and regeneration of the head skeleton, primarily using zebrafish.

Joined June 2010
49 Photos and videos
Crump Lab retweeted
7 Sep 2025
Wow, that was amazing! We thank everyone for attending the V4SDB 2025 meeting! You all made it an excellent conference, where we had the opportunity to hear from outstanding speakers,share ideas and experiences, and of course have some unforgettable time during social activities!
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Crump Lab retweeted
Meet USC’s CIRM Scholar Alumna Joanna Smeeton, Assistant Professor at Columbia University. @smeetonlab @USCStemCell @KeckSchool_USC @CrumpLab @cscicolumbia stemcell.keck.usc.edu/cirm-s…
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Crump Lab retweeted
Partnering with @USCStemCell and @CIRMnews to train the next generation of leaders in stem cell research. Since 2006, CIRM has supported 110 USC scholars who have gone on to drive innovation in academia, biotech, and patient care. bit.ly/4kH7e8j
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Crump Lab retweeted
While I’m a big fan of new technologies that help us study human biology…there’s still no replacement for animal research! I wrote an article outlining this in @GENbio genengnews.com/topics/transl…
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7 Mar 2025
Great write up from Mathi on her PhD journey @USCStemCell @KECKSchool_USC
7 Mar 2025
Fish, Frogs, Friends, Lend me your Ears. 🐟🐸🐁🦎 Read this 'Behind the paper' story from @MathiThiru95 about her PhD work with @CrumpLab: thenode.biologists.com/fish-… #DevBio #EvoDevo
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Crump Lab retweeted
The Society for Developmental Biology has released a statement on how the Abrupt Dismissal of NIH and NSF Staff Undermines Government Efficiency. bit.ly/3X9VEKd
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22 Jan 2025
Nice article in Scientific American about our work on outer ear evolution and a complimentary study from the lab of Maksim Plikus on role of unique lipids in mammalian ear cartilage. @MathiThiru95 @USCStemCell @KECKSchool_USC scientificamerican.com/artic…
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10 Jan 2025
You can view the PDF of our gills to outer ears paper here: rdcu.be/d5Ml5 Also the link to the article on Nature is now working again: nature.com/articles/s41586-0…

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9 Jan 2025
The outer ear is a mammalian innovation but where did it come from? In our study in @Nature, @MathiThiru95 and colleagues find that the outer ear arose from modification of an ancestral gill program first originating in marine invertebrates. nature.com/articles/s41586-0… 1/n
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9 Jan 2025
Sutton also describes Egyptian goats with wattles containing elastic cartilage. Innervation by glossopharyngeal nerves suggests a third arch origin as with fish gills. Thus, the position of elastic cartilage outgrowths is dynamic even in mammals. 13/n
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9 Jan 2025
Our work challenges notions of evolutionary homology. While the function, position and cell type composition of gills and outer ears have greatly shifted, their use of a core gene regulatory program suggests deep homology beyond simply co-option. 14/n
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