Developmental biology articles within Nature Communications

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  • Article |

    Cell fusion is involved in many different cellular processes including the fusion of trophoblast cells in the placenta. Matsuuraet al. identify a role for the β-catenin signalling pathway in the regulation of the transcription factor GCM1 and therefore the fusion of syncytiotrophoblast cells.

    • Ken Matsuura
    • , Takafumi Jigami
    •  & Tetsu Akiyama

  • Article
    | Open Access

    During cell division, a cytoplasmic bridge—the midbody—forms between the nascent daughter cells, but it has been unclear under which conditions this is retained by a daughter cell or released. Now, Ettinger and colleagues show that midbody-release occurs more frequently in stem cells compared with cancer cells.

    • Andreas W. Ettinger
    • , Michaela Wilsch-Bräuninger
    •  & Wieland B. Huttner

  • Article |

    The fusion of satellite cells to muscle fibres during adult life is required for both muscle growth and regeneration but it is unknown whether non-muscle cells contribute to this process. Now, Dellavalle and colleagues show that pericytes, cells associated with the vasculature can contribute to both growth and regeneration of muscle fibres.

    • A. Dellavalle
    • , G. Maroli
    •  & G. Cossu

  • Article |

    Ampullary organs are involved in electroreception, but whether these are derived from placodes, thickened ectoderm, is unclear. In this study, the ampullary organs of the primitive ray-finned fish,Polyodon spathula, are shown to develop from lateral line placodes, suggesting that this is the ancestral state in bony fishes.

    • Melinda S. Modrell
    • , William E. Bemis
    •  & Clare V.H. Baker

  • Article |

    The generation of human cell lines using somatic cell nuclear transfer has been difficult to achieve. In this study, Egliet al. show that while mouse eggs reprogram somatic cells within hours, human eggs arrest after nuclear transfer which may be due to a lack of genome transcription.

    • Dieter Egli
    • , Alice E. Chen
    •  & Kevin Eggan

  • Article
    | Open Access

    What controls the binding partner selection of the target of rapamycin protein, TOR, is unknown. Using theCaenorhabditis elegans tail as a model, Nukazuka et al. determine that signals of semaphorin through plexin control the binding partner selection of TOR and are required for the correct organization of rays in the tail.

    • Akira Nukazuka
    • , Shusaku Tamaki
    •  & Shin Takagi

  • Article |

    Recent technological advances have allowed the expansion of spermatogonial stem cellsin vitro; however, in vivo conditions are required for the full differentiation of the cells. In this study, an in vitroorgan culture system is developed that allows the differentiation of the germ cells in the laboratory.

    • Takuya Sato
    • , Kumiko Katagiri
    •  & Takehiko Ogawa

  • Article
    | Open Access

    Many mammals are born with an immature intestinal epithelium, which adapts to a changing diet during the weaning period. Muncanet al. show that the transcriptional repressor Blimp1is expressed in the intestine of mice at birth, and that expression is lost at the transition to the weaning stage.

    • Vanesa Muncan
    • , Jarom Heijmans
    •  & Gijs R. van den Brink

  • Article
    | Open Access

    Drosophila melanogaster larvae demonstrate chemotaxis towards odours but their navigation mechanism is poorly understood. Using computer-vision tracking, Gomez-Marinet al.show that larvae ascend odour gradients using an active sampling strategy that is analogous to sniffing in vertebrates.

    • Alex Gomez-Marin
    • , Greg J. Stephens
    •  & Matthieu Louis

  • Article |

    How retinoganglion cell axons project correctly to the superior colliculus is poorly understood. Here, projections are shown to require EphB1, EphB2 and ephrin-B1 to terminate in the medial superior colliculus, while ephrin-B2 is essential for the mapping of both dorsal and ventral axons.

    • Sonal Thakar
    • , George Chenaux
    •  & Mark Henkemeyer

  • Article |

    Bird wings resemble the digits on the hands of dinosaurs, but which digit positions gave rise to those seen in modern birds is still unclear. In this work, long-term fate maps of the chick wing polarizing region are presented, supporting fossil data that birds descended from theropods that had digits 1, 2 and 3.

    • Matthew Towers
    • , Jason Signolet
    •  & Cheryll Tickle

  • Article
    | Open Access

    Cytoplasmic flows—the movement of cytoplasmic material—can be detected following the fertilization of an egg by a sperm in many species. In this study, rhythmic cytoplasmic flows are shown to be induced in mice by calcium-induced cytoskeleton contractions which could be used to predict the successful outcome of fertilization.

    • Anna Ajduk
    • , Tagbo Ilozue
    •  & Magdalena Zernicka-Goetz

  • Article
    | Open Access

    The chronic disease schistosomiasis is caused by the blood flukeSchistosoma mansoni. By studying DNA modifications throughout the lifecycle of the pathogen, the authors identify DNA methylation as a factor in egg development and suggest that the epigenetic machinery responsible may be a therapeutic target.

    • Kathrin K. Geyer
    • , Carlos M. Rodríguez López
    •  & Karl F. Hoffmann

  • Article |

    Studying the physical interaction of stem cells with their niche has previously been difficult. Using a fluorescence-based reporter, Michelet al. are able to show that bone morphogenetic protein signalling occurs between Drosophilatestes germline stem cells and their niche and is via adherens junctions.

    • Marcus Michel
    • , Isabel Raabe
    •  & Christian Bökel

  • Article
    | Open Access

    Tissue regeneration is of great interest; however the number of times a given tissue can regenerate is unknown. Now, Eguchiet al. demonstrate that the lens of the Japanese newt—Cynops pyrrhogaster—can regenerate 18 times over a 16-year period, and that the new lenses are similar to those of control adult animals.

    • Goro Eguchi
    • , Yukiko Eguchi
    •  & Panagiotis A. Tsonis

  • Article |

    During development, Wnt-mediated Notch signalling controls the generation of somites from the presomitic mesoderm, but the precise signalling mechanism is unknown. Here, the transcription factor Mesogenin 1 is shown to be a direct target of Wnt3a and regulates the transcription of a Notch signalling program.

    • Ravindra B. Chalamalasetty
    • , William C. Dunty Jr
    •  & Terry P. Yamaguchi

  • Article
    | Open Access

    In the developing eye, the lens and retina are derived from different embryonic tissues, and how these two structures develop next to each other is of interest. In this study, the authors show that transforming growth factor-β secreted by neural crest cells is critical for the positioning of the lens next to the retina.

    • Timothy Grocott
    • , Samuel Johnson
    •  & Andrea Streit

  • Article
    | Open Access

    It has been proposed that stem cells use nonrandom chromosome segregation to avoid the accumulation of replication-induced mutations. Here, the authors examine intestinal epithelial stem cell division and show, using label exclusion and retention assays, that the cells segregate their chromosomes randomly.

    • Marion Escobar
    • , Pierre Nicolas
    •  & Catherine Legraverend

  • Article
    | Open Access

    Asymmetric partitioning of centrosomes has been reported inDrosophilaneuroblasts, but whether this type of division has implications for stem cell self-renewal is unclear. In this study, the authors show that the asymmetric division of the centrosomes correlates with the asymmetric fate of the cells and that the daughter centrosome is retained by the neuroblast.

    • Jens Januschke
    • , Salud Llamazares
    •  & Cayetano Gonzalez

  • Article |

    Pronucleus DNA becomes demethylated during zygotic development. Here, the authors demonstrate that the reduction in 5-methylcytosine levels is accompanied by an increase in the presence of 5-hydroxymethylcytosine, and suggest that this has a role in developmental reprogramming.

    • Mark Wossidlo
    • , Toshinobu Nakamura
    •  & Jörn Walter

  • Article
    | Open Access

    Post-translational modifications are important in regulating protein function and turnover, and Ufm1 is part of a recently identified protein modification system. In this study, the authors show that Uba5, a component of the Ufm1 system, is important for regulating haematopoiesis and the differentiation of erythroid cells.

    • Kanako Tatsumi
    • , Harumi Yamamoto-Mukai
    •  & Masaaki Komatsu

  • Article |

    Some organisms produce unequal numbers of male and female progeny, but the mechanics of skewed of sex ratios are largely unknown. Here, the authors describe alterations in X-chromosome segregation and cytoplasmic partitioning during spermatogenesis that together explain the distorted sex ratio in a nematode species.

    • Diane C. Shakes
    • , Bryan J. Neva
    •  & Andre Pires-daSilva

  • Article
    | Open Access

    During neurogenesis, neural stem and progenitor cells can either proliferate or produce neurons. Here, the authors show that proliferating neural stem and progenitor cells have a longer S-phase portion of the cell cycle than cells committed to neuron production, suggesting that this may enable faithful DNA replication.

    • Yoko Arai
    • , Jeremy N. Pulvers
    •  & Wieland B. Huttner

  • Article |

    When cultured as single cells, embryonic stem cells have low viability. Here, blebbistatin, a non-muscle myosin II inhibitor, is shown to enhance the cloning efficiency, viability and adhesion of both human embryonic stem cells and human induced pluripotent stem cellsin vitro.

    • Andrea Walker
    • , Hua Su
    •  & Noboru Sato

  • Article
    | Open Access

    Many animals have complex body patterns, which are fixed in some species and flexible in others. Here, using reaction-diffusion mathematical models, together with salmonid fish crosses, intermediate patterns are shown to occur in hybrid animals produced by mating species with different flexible patterns.

    • Seita Miyazawa
    • , Michitoshi Okamoto
    •  & Shigeru Kondo

  • Article
    | Open Access

    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

  • Article
    | Open Access

    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

  • Article
    | Open Access

    It was previously thought that the nerves in the pectoral fin of fish came solely from the spinal cord. Here, motoneurons in ray-finned fish are shown to also originate from the hindbrain, demonstrating that innervation was from both the hindbrain and the spinal cord in ancesteral vertebrates.

    • Leung-Hang Ma
    • , Edwin Gilland
    •  & Robert Baker

  • Article
    | Open Access

    The embryonic development of forelimbs and hindlimbs is regulated by transcription factors, including Pitx1, Tbx4 and Tbx5. In this study, the contributions of Tbx4 and Tbx5 to limb identity are further delineated, resulting in the demonstration of a role for Tbx4 in hindlimb skeletal and muscle patterning.

    • Jean-François Ouimette
    • , Marisol Lavertu Jolin
    •  & Jacques Drouin

  • Article
    | Open Access

    The faithful positioning and growth of cells during embryonic development is essential. In this study Seifertet al. demonstrate that inactivation of Sonic Hedgehogduring development of the genital tubercle results in a prolonged G1 phase and a slower rate of growth.

    • Ashley W. Seifert
    • , Zhengui Zheng
    •  & Martin J. Cohn

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