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The phosphatase Dullard negatively regulates BMP signalling and is essential for nephron maintenance after birth
Kidney maintenance and function are essential for a healthy organism. Here Nishinakamura and colleagues show that the phosphatase Dullard suppresses BMP signalling and apoptosis in the mouse kidney and that Dullard is required for the maintenance of functional nephrons after birth.
- Masaji Sakaguchi
- , Sazia Sharmin
- & Ryuichi Nishinakamura
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The developmental basis of bat wing muscle
Phylogenetic bat studies suggest that powered flight is evolutionarily conserved. Tokita et al.find that bat wing muscles are derived from multiple myogenic sources with different embryonic origins, and that spatiotemporal correlations exist between outgrowth of wing membranes and expansion of wing muscles.
- Masayoshi Tokita
- , Takaaki Abe
- & Kazuo Suzuki
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Article
| Open AccessComparative transcriptome analysis reveals vertebrate phylotypic period during organogenesis
The conservation of embryonic development across species is of great interest in evolutionary biology. Here, using transcriptome analysis, the authors show that the pharyngula stage of development—in mid-embryogenesis—is conserved between mice, chickens, frogs and zebrafish.
- Naoki Irie
- & Shigeru Kuratani
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Article
| Open AccessIdentification of Thymosin β4 as an effector of Hand1-mediated vascular development
The Hand1 transcription factor plays a central role in cardiovascular development. Here the authors demonstrate that Hand1 regulates thymosin β4 and that the delivery of synthetic thymosin β4 can rescue some of the vascular defects in Hand1 null mouse embryos.
- Nicola Smart
- , Karina N. Dubé
- & Paul R. Riley
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Article
| Open AccessOuabain protects against adverse developmental programming of the kidney
Poor maternal nutrition is known to affect fetal kidney development. This study shows that the sodium potassium ATPase ligand, ouabain, protects kidneys from cell death induced by serum starvationin vitro and from abnormal kidney development due to a low-protein diet in vivo.
- Juan Li
- , Georgiy R. Khodus
- & Anita Aperia
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Article
| Open AccessOrganogenesis relies on SoxC transcription factors for the survival of neural and mesenchymal progenitors
During development Sox transcription factors play important roles in the determination of cell fate. In this study Bhattaram and colleagues show that Sox4, Sox11 and Sox12 act redundantly in mouse development and are important for the maintenance of neural and mesenchymal progenitor cells.
- Pallavi Bhattaram
- , Alfredo Penzo-Méndez
- & Véronique Lefebvre
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| Open AccessThe molecular network governing nodule organogenesis and infection in the model legume Lotus japonicus
Plant and bacteria symbiosis in some species results in the coordinate formation of nitrogen fixing nodules and infection of the plant host. Using mutantLotus japonicusplants, Madsen and colleagues have determined the role of 16 different genes in these two processes.
- Lene H. Madsen
- , Leïla Tirichine
- & Jens Stougaard