XA; cement gland and hatching gland

XA-1, nucleic acid

Expressed in the cement gland and hatching gland. Information from Peggy Kolm

XA expression in early neurulae (left) and tailbud (right) stages. Photo courtesy of courtesy of Leila Bradley. Arrow head, cement gland. Arrow, hatching gland.
Comparison of XA expression to that of XCG (cement gland specific) and XAG (also cement gland plus hatching gland).

Link to Sive lab web page for more info....

Search PubMed for papers by Hazel Sive
or for other papers on Xenopus cement gland

Reference; A.Hemmati-Brivanlou, D. Frank, M.E. Bolce, B.D. Brown, H.L. Sive & R.M. Harland (1990). Localization of specific mRNAs in Xenopus embryos by whole-mount in situ hybridization. Development 110, 325-330.
Sive, H.L. and Bradley, L.C. A sticky problem: the Xenopus cement gland as a paradigm for anteroposterior patterning. Developmental Dynamics (1996) 205(3):265
Available from H.Sive.
Sequence of XA