Gene Expression Search Experiment

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Gene/Clone	Species	Stage	Anatomy Item	Experimenter
cby1	xenopus		neuroectoderm [+] Mauthner cell,accessory olfactory bulb,adenohypophysis,amygdala,anterior amygdala,anterior commissure,anterior entopeduncular nucleus,anterior entopeduncular region,anterior hypothalamus,anterior neural fold,anterior neural tube,anterior tectum,anterior thalamic nucleus,anterodorsal tegmental nucleus,anteroventral tegmental nucleus,astrocyte,astrocyte end-foot,basal forebrain,basal ganglion,bed nucleus of the stria terminalis,brain ventricle,caudal tuberal region,cell body layer of the optic tectum,central amygdala,central nucleus of the thalamus,cerebellum,chordoneural hinge,diencephalon,dorsal column nucleus,dorsal habenular nucleus,dorsal pallidum,dorsal pallium,dorsal septum,dorsal tegmentum,dorsal telencephalon,dorsal thalamus,dorsolateral neural tube,eminentia thalami,external plexiform layer of the olfactory bulb,forebrain,forebrain-midbrain boundary,fourth ventricle,glomerular layer of the olfactory bulb,granule cell,granule cell layer of the cerebellum,granule cell layer of the olfactory bulb,habenula,hindbrain,hypophysis,hypothalamus,infundibulum,isthmic nucleus,lateral amygdala,lateral forebrain bundle,lateral ganglionic eminence,lateral hypothalamic nucleus,lateral pallium,lateral septum,laterodorsal tegmental nucleus,locus coeruleus,magnocellular preoptic nucleus,mammilary region,medial amygdala,medial ganglionic eminence,medial pallium,medial septum,medulla oblongata,melanotrope,mesencephalic artery,mesencephalic vein,metencephalic artery,metencephalic vein,midbrain,midbrain tegmentum,midbrain-hindbrain boundary,mitral cell,mitral cell layer of the olfactory bulb,neural stem cell,neurenteric canal,neurohypophysis,neuropil of the optic tectum,nucleus accumbens,nucleus of the diagonal band,nucleus of the solitary tract,nucleus reticularis inferior,nucleus reticularis medialis,nucleus reticularis superior,oculomotor motornucleus,olfactory bulb,oligodendrocyte,optic chiasm,optic stalk,optic tectum,optic tract,pallidum,pallium,pars distalis,pars intermedia,pars nervosa,pia mater,pial cell,pineal gland,posterior commissure,posterior hypothalamus,posterior neural fold,posterior neural tube,posterior tectum,posterior wall of neurenteric canal,posterodorsal tegmental nucleus,posteroventral tegmental nucleus,preoptic area,pretectum,prethalamus,prethalamus basal plate,prosomere,prosomere 4,prosomere 5,prosomere 6,radial glial cell,raphe nucleus,retromammillary area,rhombic lip,rhombomere,rostral tuberal region,solitary tract,stria terminalis,striatum,subcommissural organ,subpallium,subthalamic nucleus,sulcus limitans of neural tube,suprachiasmatic nucleus,supraoptoparaventricular region,telencephalon,telencephalon septum,thalamus,third ventricle,torus semicircularis,trochlear motornucleus,tuberal region,ventral habenular nucleus,ventral hypothalamic nucleus,ventral pallidum,ventral pallium,ventral septum,ventral tegmentum,ventricular layer of the optic tectum,ventricular zone,ventrolateral neural tube,ventrolateral thalamic nucleus,ventromedial thalamic nucleus,zona limitans intrathalamica,Jacobson's organ,anterior neural ridge,astrocyte,astrocyte end-foot,brain,choana,neural fold,neural groove,neural stem cell,neural tube,oculomotor motornucleus,olfactory nerve,olfactory organ,olfactory pit,olfactory placode,oligodendrocyte,radial glial cell

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Experiment details for cby1

Chibby functions in Xenopus ciliary assembly, embryonic development, and the regulation of gene expression.

Chibby functions in Xenopus ciliary assembly, embryonic development, and the regulation of gene expression.

Gene	Clone	Species	Stages	Anatomy
cby1.S		laevis	NF stage 18	neuroectoderm
cby1.S		laevis	NF stage 28	neural tube , brain

Fig. 1. Cby RNA is supplied maternally and its level remains high throughout early Xenopus development (A) based on Xenbase data for X. laevis (red) and X. tropicalis (green); (B) RT-PCR analysis in X. laevis of Cby RNA at various developmental stages using ornithine decarboxylase (ODC) RNA as the normalizing control. In situ hybridization studies indicate that Cby is expressed at high levels in the neuroectoderm of stage 18 embryos (C); later in embryogenesis (D) Cby is expressed in a range of tissues including the myotome, pronephros, otic vesicle, central nervous system, migrating neural crest, the eye, and blood islands. Standard (E) and qPCR (F) analyses of ectodermal explants derived from control, Snail2/Slug, or Twist1 morpholino (MO) injected embryos revealed an increase in Cby RNA in response to inhibition of Snail2 expression. (G) Ectodermal explants were derived from embryos injected with GR-Snail2 RNA (200 pg/embryo) and either left untreated (–dex) or treated for 2 h with dexamethasone (+dex), dexamethasone and emetine (+dex, +eme), or emetine alone (+eme). Cby RNA levels were measured by qPCR with the Y-axis corresponding to the change in Cby RNA level with respect to control condition, either control MO injected (F) or in the absence of dexamethasone (G). Student t-test values of <0.05 are indicated by a “*”, while a p value<0.01 is indicated by “**” in this and all other figures.

Gene	Clone	Species	Stages	Anatomy
cby1.S		laevis	NF stage 18	neuroectoderm

cby11 (chibby homolog 1) gene expression in Xenopus laevis embryo, assayed via in situ hybridization, NF stage 18, dorsal view, anterior left.

Gene	Clone	Species	Stages	Anatomy
cby1.S		laevis	NF stage 28 to NF stage 29 and 30	neural tube , brain

cby1 (chibby homolog 1) gene expression in Xenopus laevis embryo, assayed via in situ hybridization, NF stage 28, lateral view, anterior right, dorsal up..