Photoreceptor Development in Premetamorphic and Metamorphic Xenopus laevis

Transgenic Xenopus laevis are commonly used to study gene expression in photoreceptors, but only red rods and red cones are known to exist in the pre‐metamorphic stages commonly used in transgenic studies. Using RT‐PCR, this study shows that violet cones develop in early pre‐metamorphic stages (Stag...

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Veröffentlicht in:	Anatomical record (Hoboken, N.J. : 2007) N.J. : 2007), 2010-03, Vol.293 (3), p.383-387
Hauptverfasser:	Parker, Ryan O., Mccarragher, Brent, Crouch, Rosalie, Darden, Alix G
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Animals, Genetically Modified development Embryo, Nonmammalian - physiology green rod Metamorphosis, Biological opsin photoreceptor Retinal Cone Photoreceptor Cells - cytology Retinal Cone Photoreceptor Cells - metabolism Retinal Rod Photoreceptor Cells - cytology Retinal Rod Photoreceptor Cells - metabolism Reverse Transcriptase Polymerase Chain Reaction RNA, Messenger - genetics RNA, Messenger - metabolism Rod Opsins - genetics Rod Opsins - metabolism Xenopus Xenopus laevis Xenopus laevis - embryology
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Zusammenfassung:	Transgenic Xenopus laevis are commonly used to study gene expression in photoreceptors, but only red rods and red cones are known to exist in the pre‐metamorphic stages commonly used in transgenic studies. Using RT‐PCR, this study shows that violet cones develop in early pre‐metamorphic stages (Stage 35) with the red rods and red cones. Green rod development began in Stage 53 with the onset of metamorphosis. Anat Rec, 2010. © 2010 Wiley‐Liss, Inc.
ISSN:	1932-8486 1932-8494
DOI:	10.1002/ar.21079