|
Gene |
Clone |
Species |
Stages |
Anatomy |
nosip.L
|
|
laevis
|
NF stage 1
to
NF stage 9
|
animal pole
|
nosip.L
|
|
laevis
|
NF stage 14
|
pre-chordal neural plate
,
optic field
,
pre-chordal neural plate border
|
nosip.L
|
|
laevis
|
NF stage 20
|
optic vesicle
,
cranial neural crest
|
nosip.L
|
|
laevis
|
NF stage 23
|
hyoid crest
,
branchial crest
,
optic vesicle
,
cranial neural crest
,
migratory neural crest cell
|
nosip.L
|
|
laevis
|
NF stage 29 and 30
|
brain
,
spinal cord
,
mandibular crest
,
hyoid crest
,
branchial crest
,
[+]
|
nosip.L
|
|
laevis
|
NF stage 35 and 36
|
spinal cord
,
mandibular arch
,
hyoid arch
,
branchial arch
,
eye
,
[+]
|
nosip.L
|
|
laevis
|
NF stage 40
|
brain
,
external gill
,
eye
,
head
,
branchial arch skeleton
|
Display additional annotations [+]
Gene |
Clone |
Species |
Stages |
Anatomy |
twist1
|
|
laevis
|
NF stage 14
|
cranial neural crest
,
pre-chordal neural plate border
|
twist1
|
|
laevis
|
NF stage 20
|
mandibular crest
,
hyoid crest
,
branchial crest
,
cranial neural crest
,
migratory neural crest cell
|
prox1
|
|
laevis
|
NF stage 29 and 30
to
NF stage 35 and 36
|
lens
,
retina
,
eye
,
retinal neural layer
|
snai2
|
|
laevis
|
NF stage 14
|
cranial neural crest
,
pre-chordal neural plate border
|
snai2
|
|
laevis
|
NF stage 20
|
mandibular crest
,
hyoid crest
,
branchial crest
,
cranial neural crest
,
migratory neural crest cell
|
rax
|
|
laevis
|
NF stage 29 and 30
to
NF stage 35 and 36
|
retina
,
ciliary marginal zone
,
eye
,
retinal neural layer
|
|
|
Fig. 2: Nosip expression in early embryonic development of Xenopus laevis.
A Animal (St. 1), anterior (St. 14, 20 and 23) and lateral (St. 9, 23, 32, 35 and 40)
views are shown. Whole mount in situ hybridization (WMISH) experiments show a
maternal nosip expression at stage 1 and 9 in the animal pole of the Xenopus
embryo (black arrowheads). At stage 14 and 20, nosip transcripts are detected in the
anterior neural plate including the eye field (red arrowhead) and the lateral plate
border where the neural crest cells are induced (white arrowhead). At stage 23, nosip
transcripts are visualized in the eye vesicle (red arrowheads and the migrating neural
crest cells (white arrowheads). The dashed line shows the level of the transversal
section in a. At stages 30 and 35, nosip is detected in the developing eye (red
arrowheads) and the migrating neural crest cells (white arrowheads) of the
mandibular (MA), branchial (BA) and hyoidal (HA) arches. B Compared expression of
nosip and the two neural crest cell specific marker genes twist and snai2. nosip
transcripts are detected in the lateral plate border at stage 14 where anterior neural
crest cells are induced (dotted circles). At stage 20, nosip is expressed in the
migrating neural crest cells positive for twist and snai2 (white arrowheads). Dotted
circles highlight the cement glands. C Nosip expression is visualized in the neural crest of the mandibular (MA), branchial (BA) and hyoidal (HA) arches at stage 35
(horizontal section). At stage 40, nosip is expressed in the gills (middle panel,
horizonal section; right panel, transversal section, white arroheads). D Compared
expression of nosip and the two eye-specific marker genes prox1 and rax. The upper
two rows represent transversal sections, the lower row horizontal sections. At stage
30, nosip is visualized in the lens (le) and the retinal (r) progenitor cells. At stage 35,
nosip expression is detected in the lens and the retina with strongest level in the
ciliary marginal zone (cmz). |