The role of actin and myosin in ascidian sperm mitochondrial translocation.

abstract：:Migration of Anterior Visceral Endoderm (AVE) is a critical symmetry breaking event in the early post-implantation embryo development and is essential for establishing the correct body plan. Despite much effort, cellular and molecular events influencing AVE migration are only partially understood. Here, using time-lap...

journal_title：Developmental biology

authors： Antonica F,Orietti LC,Mort RL,Zernicka-Goetz M

更新日期：2019-06-15 00:00:00

abstract：:Myogenesis in the embryo and the adult mammal consists of a highly organized and regulated sequence of cellular processes to form or repair muscle tissue that include cell proliferation, migration, and differentiation. Data from cell culture and in vivo experiments implicate both FGFs and HGF as critical regulators of...

journal_title：Developmental biology

authors： Cornelison DD,Filla MS,Stanley HM,Rapraeger AC,Olwin BB

更新日期：2001-11-01 00:00:00

abstract：:The location and distribution of neural crest-derived Schwann cells during development of the peripheral nerves of chick forelimbs were examined using chick-quail chimeras. Neural crest cells were labeled by transplantation of the dorsal part of the neural tube from a quail donor to a chick host at levels of the neura...

journal_title：Developmental biology

authors： Carpenter EM,Hollyday M

更新日期：1992-03-01 00:00:00

abstract：:A functional ribosomal protein mRNA, encoding the 60 S subunit protein L1, has been synthesized in vitro using bacteriophage SP6 RNA polymerase. This mRNA directs the synthesis of a product indistinguishable from L1 protein purified from Xenopus ovarian ribosomes. Our results show that L1 synthesis in stage VI oocytes...

journal_title：Developmental biology

authors： Baum EZ,Hyman LE,Wormington WM

更新日期：1988-03-01 00:00:00

abstract：:The insect head is composed of several segments. During embryonic development, the segments fuse to form a rigid head capsule where obvious segmental boundaries are lacking. Hence, the assignment of regions of the insect head to specific segments is hampered, especially with respect to dorsal (vertex) and lateral (gen...

journal_title：Developmental biology

authors： Posnien N,Bucher G

更新日期：2010-02-01 00:00:00

abstract：:Cortical granules of eggs contain a population of heterogeneous proteins that are sequestered selectively within the cortical granule during oogenesis and that participate in the block to polyspermy during the fertilization reaction. To begin to understand the targeting mechanism of proteins to this organelle, we have...

journal_title：Developmental biology

authors： Wessel GM

更新日期：1995-01-01 00:00:00

abstract：:I report on the synthesis of fibronectin in the developing chick Müllerian duct mesenchymal cells. Before the differentiation of female chick Müllerian duct, the amount of fibronectin in the cells of the right duct is 44% lower than in the left duct. While after differentiation, the amount of fibronectin in the right ...

journal_title：Developmental biology

authors： Teng CS

更新日期：1990-07-01 00:00:00

abstract：:Procedures are described for removal of the vitelline membrane from gently fixed Drosophila embryos en masse. The resulting embryos retain excellent structural integrity and are now suitable for a variety of immunocytochemical and biochemical characterizations. ...

journal_title：Developmental biology

authors： Mitchison TJ,Sedat J

更新日期：1983-09-01 00:00:00

abstract：:Coordinated contraction of the heart is essential for survival and is regulated by the cardiac conduction system. Contraction of ventricular myocytes is controlled by the terminal part of the conduction system known as the Purkinje fiber network. Lineage analyses in chickens and mice have established that the Purkinje...

journal_title：Developmental biology

authors： Hua LL,Vedantham V,Barnes RM,Hu J,Robinson AS,Bressan M,Srivastava D,Black BL

更新日期：2014-09-15 00:00:00

abstract：:Aurora-C was first identified during screening for kinases expressed in mouse sperm and eggs. Herein, we report for the first time the precise subcellular localization of endogenous Aurora-C during male meiotic division. The localization of Aurora-C was analyzed by immunofluorescence staining on chromosome spreads of ...

journal_title：Developmental biology

authors： Tang CJ,Lin CY,Tang TK

更新日期：2006-02-15 00:00:00

abstract：:Polycomb group (PcG) proteins are best known for their role in maintaining stable, mitotically heritable silencing of the homeotic (HOX) genes during development. In addition to loss of homeotic gene silencing, some PcG mutants also have small imaginal discs. These include mutations in E(z), Su(z)12, esc and escl, whi...

journal_title：Developmental biology

authors： Mason-Suares H,Tie F,Yan CM,Harte PJ

更新日期：2013-08-01 00:00:00

abstract：:Animal development is controlled by gene regulation networks that are composed of sequence-specific transcription factors (TF) and cell signaling molecules (ST). Although housekeeping genes have been reported to show clustering in the animal genomes, whether the genes comprising a given regulatory network are physical...

journal_title：Developmental biology

authors： Shoguchi E,Hamaguchi M,Satoh N

更新日期：2008-04-15 00:00:00

abstract：:The transition from maternal to zygotic gene expression in the mouse occurs in the 2-cell embryo. Previous studies in which DNA was injected into 2-cell embryos revealed that transcription promoters and origins of DNA replication are strongly repressed in cleavage stage embryos unless linked to an embryo-responsive en...

journal_title：Developmental biology

authors： Henery CC,Miranda M,Wiekowski M,Wilmut I,DePamphilis ML

更新日期：1995-06-01 00:00:00

abstract：:Zygotic gene activation is essential for development beyond the 2-cell stage in the preimplantation mouse embryo. Based on alpha-amanitin-sensitive BrUTP incorporation, transcription initiates in the 1-cell embryo and a major reprogramming of gene expression driven by newly expressed genes is prominently observed duri...

journal_title：Developmental biology

authors： Zeng F,Schultz RM

更新日期：2005-07-01 00:00:00

abstract：:Epithelial sheet movement is an essential morphogenetic process during mouse embryonic eyelid closure in which Mitogen-Activated Protein 3 Kinase 1 (MAP3K1) and c-Jun play a critical role. Here we show that MAP3K1 associates with the cytoskeleton, activates Jun N-terminal kinase (JNK) and actin polymerization, and pro...

journal_title：Developmental biology

authors： Meng Q,Mongan M,Wang J,Tang X,Zhang J,Kao W,Xia Y

更新日期：2014-11-01 00:00:00

abstract：:We report the patterns of migration of Sertoli cells plated on specific substrata, and the influences of testicular peritubular cells on these processes. Data presented indicate that while peritubular cells readily spread when explanted onto Type I collagen, Sertoli cells do not. A delay of 4 to 6 days occurs after Se...

journal_title：Developmental biology

authors： Tung PS,Fritz IB

更新日期：1986-01-01 00:00:00

abstract：:Cytoskeletal intermediate filaments were studied in muscular dysgenesis (mdg) and tetrodotoxin-treated inactive mouse embryo muscle cultures during myofibrillogenesis. Both muscular dysgenesis and tetrodotoxin-treated muscles are characterized in vitro by a total lack of contractile activity and an abnormal developmen...

journal_title：Developmental biology

authors： Tassin AM,Pinçon-Raymond M,Paulin D,Rieger F

更新日期：1988-09-01 00:00:00

abstract：:High osmolarity, bound water, and hydrostatic pressure contribute to notochord mechanics and its morphogenesis into the nucleus pulposus (NP) compartment of the intervertebral disc. Indeed, the osmoadaptive transcription factor, nuclear factor of activated T-cells 5 (NFAT5 aka TonEBP), is robustly expressed by residen...

journal_title：Developmental biology

authors： Tessier S,Madhu V,Johnson ZI,Shapiro IM,Risbud MV

更新日期：2019-11-15 00:00:00

abstract：:Members of the basic helix-loop-helix family of DNA binding proteins have important roles in the development of subpopulations of neural crest-derived neurons. We have cloned the chicken homologues of dHAND (HAND2) and eHAND (HAND1), basic helix-loop-helix DNA binding proteins whose neuronal expression is restricted t...

journal_title：Developmental biology

authors： Howard M,Foster DN,Cserjesi P

更新日期：1999-11-01 00:00:00

abstract：:The interstitial cells of hydra form a multipotent stem cell system, producing terminally differentiated nerve cells and nematocytes during asexual growth. Under well-fed conditions the interstitial cell population doubles in size every 4 days. We have investigated the possible role of nerve cells in regulating this b...

journal_title：Developmental biology

authors： Heimfeld S,Bode HR

更新日期：1985-08-01 00:00:00

abstract：:Sex in the nematode Caenorhabditis elegans is normally determined by the X chromosome to autosome (X:A) ratio, with XX hermaphrodites and XO males. Previous work has shown that a set of at least four autosomal genes (her-1, tra-2, tra-3, and tra-1) is signaled by the X:A ratio and appears to act in a regulatory pathwa...

journal_title：Developmental biology

authors： Doniach T,Hodgkin J

更新日期：1984-11-01 00:00:00

abstract：:Activation and role of mitogen-activated protein (MAP) kinase (MAPK) during mitosis are still matters of controversy in early embryos. We report here that an ERK-like protein is present and highly phosphorylated in unfertilized sea urchin eggs. This MAPK becomes dephosphorylated after fertilization and a small pool of...

journal_title：Developmental biology

authors： Zhang WL,Huitorel P,Glass R,Fernandez-Serra M,Arnone MI,Chiri S,Picard A,Ciapa B

更新日期：2005-06-01 00:00:00

abstract：:Glycosaminoglycans in the form of heparan sulfate proteoglycans (HSPG) and chondroitin sulfate proteoglycans (CSPG) are required for normal kidney organogenesis. The specific roles of HSPGs and CSPGs on ureteric bud (UB) branching morphogenesis are unclear, and past reports have obtained differing results. Here we emp...

journal_title：Developmental biology

authors： Steer DL,Shah MM,Bush KT,Stuart RO,Sampogna RV,Meyer TN,Schwesinger C,Bai X,Esko JD,Nigam SK

更新日期：2004-08-15 00:00:00

abstract：:We present evidence to show that differentiation in wing cells to produce hairs is synchronous over the distal 90% of the wing surface (approximately 28,000 cells). In spite of this synchrony within such a large area a temporal gradient exists between zones (in general anterior to posterior) on the animal surface with...

journal_title：Developmental biology

authors： Mitchell HK,Petersen NS

更新日期：1983-02-01 00:00:00

abstract：:The Drosophila ovarian germline stem cells (GSCs) constantly experience self-renewal and differentiation, ensuring the female fertility throughout life. The balance between GSC self-renewal and differentiation is exquisitely regulated by the stem cell niche, the stem cells themselves and systemic factors. Increasing e...

journal_title：Developmental biology

authors： Xuan T,Xin T,He J,Tan J,Gao Y,Feng S,He L,Zhao G,Li M

更新日期：2013-07-15 00:00:00

abstract：:Krox-20, originally identified as a member of "immediate-early" genes, plays a crucial role in the formation of two specific segments in the hindbrain during early development of the vertebrate nervous system. Here we cloned a genomic sequence of Xenopus Krox-20 (XKrox-20) and studied functions of a promoter element i...

journal_title：Developmental biology

authors： Watanabe T,Hongo I,Kidokoro Y,Okamoto H

更新日期：2005-01-15 00:00:00

abstract：:We present a genetic, developmental and molecular analysis of lethal(1)discs large-1[l(1)d.lg-1; Stewart et al., 1972], an oncogene of Drosophila. Mutations in this gene cause the imaginal discs to grow by cell proliferation beyond their normal final size, transform into solid tumors, fuse with one another and the bra...

journal_title：Developmental biology

authors： Woods DF,Bryant PJ

更新日期：1989-07-01 00:00:00

abstract：:In many organisms, like Caenorhabditis elegans and Drosophila melanogaster, establishment of spatial patterns and definition of cell fate are driven by the segregation of determinants in response to spatial cues, as early as oogenesis or fertilization. In these organisms, a family of conserved proteins, the PAR protei...

journal_title：Developmental biology

authors： Vinot S,Le T,Ohno S,Pawson T,Maro B,Louvet-Vallée S

更新日期：2005-06-15 00:00:00

abstract：:Vimentin expression in the lens is striking due to the reported mesenchymal preference of vimentin and the epithelial origin of the lens. The amount of chicken vimentin mRNA levels determined by Northern blot analysis increased 3-fold from 7 to 14 days of embryonic lens development and then decreased 10-fold at 16 day...

journal_title：Developmental biology

authors： Sax CM,Farrell FX,Zehner ZE,Piatigorsky J

更新日期：1990-05-01 00:00:00

abstract：:Germ cells provide maternal mRNAs that are stored in the oocyte, and later translated at a specific time of development. In this context, gene regulation depends mainly on post-transcriptional mechanisms that contribute to keep maternal transcripts in a stable and translationally silent state. In recent years, small n...

journal_title：Developmental biology

authors： Dallaire A,Simard MJ

更新日期：2016-08-01 00:00:00