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gpamxenopus forebrain 

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Experiment details for gpam

Identification and expression analysis of GPAT family genes during early development of Xenopus laevis.

Identification and expression analysis of GPAT family genes during early development of Xenopus laevis.

Gene Clone Species Stages Anatomy
gpam.S laevis NF stage 20 to NF stage 22 forebrain
gpam.S laevis NF stage 23 forebrain

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  Fig. 4. mRNA expression of GPATs and DHAPAT during neurulation and early organogenesis detected by whole-mount in situ hybridization. Expression is first detected at late gastrulation (stage 12/13) and early neurulation. All the GPATs and DHAPAT are expressed in a region around the blastopore (b) and along the anterior-posterior embryonic axis, towards the dorsal midline (dm). At stage 17, GPATs and DHAPAT are expressed in the nervous system, including the neural tube (nt), hindbrain (hb), the forebrain (fb) and the eye primordia (ep). This pattern becomes more evident at stage 19. Nervous system expression is observed in dorsal and anterior views of embryos at stage 20 and older. Vax2 and ET are two genes encoding transcription factors involved in early eye development, and were used for reference. Stage 20/22 left panel, dorsal view; Stage 17, 19, 20/22 right panel and 23, anterior view.

Gene Clone Species Stages Anatomy
gpam.S laevis NF stage 28 forebrain
gpam.S laevis NF stage 40 forebrain

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  Fig. 6. mRNA expression of GPAT1 and GPAT2 in different organs detected by whole- mount in situ hybridization. (A) GPAT1 is expressed during kidney and liver organogenesis. Whole-mount in situ hybridization with the GPAT1 antisense riboprobe of embryos at the indicated stages is shown in the left column. Higher magnifications of the kidney and liver regions are shown in a lateral view in the right two panels (anterior to left). Eye (E), kidney (K) (early expression detected at stage 26) and liver (L) (early expression detected at stage 33/34) are shown. (B) GPAT1 and GPAT2 show a different expression pattern at stage 40. GPAT1 and GPAT2 are both expressed in the nervous system (E, eye; B, brain; and SC, spinal cord). Further, GPAT1 is strongly expressed in liver (L) and kidney (K), whereas GPAT2 is expressed in presumptive gonad (testis-T) and weakly in kidney.

Gene Clone Species Stages Anatomy
gpam.S laevis NF stage 28 forebrain

  gpam ( glycerol-3-phosphate acyltransferase, mitochondrial ) gene expression in Xenopus laevis embryos, NF stage 28, as assayed by in situ hybridization, lateral view, anterior left, dorsal up.

Gene Clone Species Stages Anatomy
gpam.S laevis NF stage 32 forebrain

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  Fig. 5. mRNA expression of GPATs and DHAPAT in embryos and in kidney between stages 32 and 37/38 as detected by whole-mount in situ hybridization. mRNA for all GPATs and DHAPAT are present in the kidney (K), as well as in the nervous system, including the eye (E), otic vesicle (OV), spinal cord (SC) and branchial arches (BA). GPAT1 and GPAT4 are also expressed in the liver (L). Lateral views at the indicated stages (anterior to left). GPAT1, GPAT2, GPAT4, and DHAPAT are expressed in the pronephric tubules (arrows) and ducts (arrowheads), but GPAT3 is not expressed in the pronephric ducts (white arrowhead).

Gene Clone Species Stages Anatomy
gpam.S laevis NF stage 40 forebrain

  gpam ( glycerol-3-phosphate acyltransferase, mitochondrial ) gene expression in Xenopus laevis embryos, NF stage 40, as assayed by in situ hybridization, lateral view, anterior left, dorsal up.