Genome-Wide analysis of the POU genes in medaka, focusing on expressionin the optic tectum
The highly conserved POU genes encode homeodomain transcription factors involved in various developmental events, with some, the Brn genes, playing key roles in neurogenesis. We investigated the evolutionary relationships between these genes, by studying the POU gene complement of a model teleost, t...
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Published in | Developmental Dynamics 10 (240), 2354 - 2363. (2011) |
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Language | English |
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2011
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Abstract | The highly conserved POU genes encode homeodomain transcription factors involved in various developmental events, with some, the Brn genes, playing key roles in neurogenesis. We investigated the evolutionary relationships between these genes, by studying the POU gene complement of a model teleost, the medaka (Oryzias latipes). We identified 17 POU genes and carried out a comprehensive in situ hybridization analysis focusing on the optic tectum, a cortical structure of the mesencephalon, in which cell positions and their differentiation states are spatially and temporally correlated. Six POU genes displayed patterned expression in the optic tectum: two genes were expressed in the center of the organ (a zone with differentiated neurons), two in an intermediate zone in which cells exit the cell cycle and two in the peripheral proliferation zone. These results suggest that POU genes may play key roles in both late neurogenesis and in multipotent neural progenitors. Developmental Dynamics 240:2354-2363, 2011. (C) 2011 Wiley-Liss, Inc. |
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AbstractList | The highly conserved POU genes encode homeodomain transcription factors involved in various developmental events, with some, the Brn genes, playing key roles in neurogenesis. We investigated the evolutionary relationships between these genes, by studying the POU gene complement of a model teleost, the medaka (Oryzias latipes). We identified 17 POU genes and carried out a comprehensive in situ hybridization analysis focusing on the optic tectum, a cortical structure of the mesencephalon, in which cell positions and their differentiation states are spatially and temporally correlated. Six POU genes displayed patterned expression in the optic tectum: two genes were expressed in the center of the organ (a zone with differentiated neurons), two in an intermediate zone in which cells exit the cell cycle and two in the peripheral proliferation zone. These results suggest that POU genes may play key roles in both late neurogenesis and in multipotent neural progenitors. Developmental Dynamics 240:2354-2363, 2011. (C) 2011 Wiley-Liss, Inc. |
Author | Grossier, Jean-Philippe Radev, Zlatko Joly, Jean-Stephane Jamen, Francoise Bourrat, Franck Heuze, Aurelie Brombin, Alessandro |
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Title | Genome-Wide analysis of the POU genes in medaka, focusing on expressionin the optic tectum |
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