Developmental expression of FoxJ1.2, FoxJ2, and FoxQ1 in Xenopus tropicalis

Members of the Fox gene family exhibit remarkably restricted patterns of expression where they have interesting, required functions during development. We have analyzed the developmental expression patterns of three members of the Fox gene family, FoxJ1.2, FoxJ2, and FoxQ1, which have not been previ...

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Bibliographic Details
Published in:Gene Expression Patterns 2006-06, Vol.6 (5), p.443-447
Main Authors: Choi, Vivian M., Harland, Richard M., Khokha, Mustafa K.
Format: Article
Language:English
Subjects:
Animals
Anterior intestine
Forkhead family
Forkhead Transcription Factors - genetics
Fox transcription factors
Gene Expression Regulation, Developmental
In Situ Hybridization
Nephrostomes
Neural tube
Notochord
Otic vesicle
Pharyngeal pouches
Pronephros
Tongue
Xenopus - embryology
Xenopus - genetics
Xenopus Proteins - genetics
Xenopus tropicalis
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Summary:Members of the Fox gene family exhibit remarkably restricted patterns of expression where they have interesting, required functions during development. We have analyzed the developmental expression patterns of three members of the Fox gene family, FoxJ1.2, FoxJ2, and FoxQ1, which have not been previously described in Xenopus. FoxJ1.2 is expressed in the otic vesicle during late neurula stages and is then also expressed in the presumptive nephrostomes of the pronephros during tailbud stages. FoxJ2 is expressed in the notochord and ventral portion of the neural tube. FoxQ1 is expressed specifically in the pharyngeal pouches as early as neurula stages and remains on in pharyngeal tissue throughout the tailbud stages. At later stages, FoxQ1 is also expressed in the anterior gut. FoxJ1.2, FoxJ2, and FoxQ1 may prove to be useful tissue-specific markers of these embryonic structures.
ISSN:1567-133X
1872-7298
DOI:10.1016/j.modgep.2005.11.007