Gene Expression Search Experiment

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Gene/Clone	Species	Stage	Anatomy Item	Experimenter
ag1	xenopus		chordal neural plate border [+] afferent neuron,anterior branchial crest,branchial crest,cardiac neural crest,chordal neural crest,cranial neural crest,efferent neuron,enteric neuron,hyoid crest,interneuron,mandibular crest,migratory neural crest cell,migratory trunk neural crest cell,peripheral nerve,posterior branchial crest,postmigratory neural crest cell,premigratory neural crest cell,sacral neural crest,trunk neural crest,vagal neural crest,afferent neuron,anterior branchial crest,branchial crest,efferent neuron,enteric nervous system,enteric neuron,glial cell,melanoblast,melanophore,migratory neural crest cell,neural crest,peripheral ganglion,posterior branchial crest

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Experiment details for ag1

A sticky problem: the Xenopus cement gland as a paradigm for anteroposterior patterning.

A sticky problem: the Xenopus cement gland as a paradigm for anteroposterior patterning.

Gene	Clone	Species	Stages	Anatomy
ag1.L		laevis	NF stage 18	chordal neural plate border

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Fig. 2. Developmental time course of three cement gland markers in Xenopus. In situ hybridization analysis using digoxygenin labeled antisense probes hybridized to a developmental series of whole Xenopus embryos. XCG (A-D) and XAG (E-H) (Sive et al., 1989) transcripts are first detected at late gastrula, in dispersed cells within the outer layer of the dorsal ectoderm, just anterior to the presumptive neural plate (A, E). XCG is detected in presumptive cement gland cells only, whereas XAG is detected in cement gland cells (arrowheads) and more weakly in the adjacent, posterior hatching gland cells (arrows). XA transcripts (CL) (Sive et al., 1989) are initially detected at late gastrula stage in the hatching gland primordium (I), and then at early neurula stage, in the cells of the posterior cement gland (J). Refer to Cement Gland Anatomy: Morphology and Molecules in the text for discussion of these data. In situ hybridization method adapted from Harland (1991).