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Gene Expr Patterns. 2003 Dec;3(6):743-5.

Pax gene expression in the developing central nervous system of Ciona intestinalis.

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  • 1School of Animal and Microbial Sciences, The University of Reading, P.O. Box 228, Whiteknights, RG6 6AJ, Reading, UK. f.mazet@reading.ac.uk

Abstract

We compare the expression patterns in Ciona intestinalis of three members of the Pax gene family, CiPax3/7, CiPax6 and Cipax2/5/8. All three genes are expressed in restricted patterns in the developing central nervous system. At the tailbud stage, CiPax3/7 is present in three patches in the brain and along the posterior neural tube, CiPax6 throughout the anterior brain and along the posterior neural tube and CiPax2/5/8 in a restricted region of the posterior brain. Double in situ hybridisations were used to identify areas of overlap between the expression of different genes. This showed that CiPax3/7 overlaps with the boundaries of CiPax6 expression in the anterior brain, and with CiPax2/5/8 in the posterior brain. The overlap between CiPax3/7 and CiPax2/5/8 is unlike that described in the ascidian Halocynthia rorezti.

PMID:
14643682
[PubMed - indexed for MEDLINE]

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