A newly identified type of attachment cell is critical for normal patterning of chordotonal neurons.

abstract：:Stimulation of epithelial cell cycling by the neuropeptide head activator was analyzed in Hydra magnipapillata and compared with the action of head activator on bud formation and tentacle formation during head regeneration. The results obtained indicate that head activator treatment stimulates epithelial cell division...

journal_title：Developmental biology

authors： Hobmayer B,Holstein TW,David CN

更新日期：1997-03-01 00:00:00

abstract：:Neural crest cells migrate along two pathways in the trunk: the ventral path, between the neural tube and somite, and the dorsolateral path, between the somite and overlying ectoderm. In avian embryos, ventral migration precedes dorsolateral migration by nearly 24 h, and the onset of dorsolateral migration coincides w...

journal_title：Developmental biology

authors： Reedy MV,Faraco CD,Erickson CA

更新日期：1998-08-15 00:00:00

abstract：:Neuronal differentiation requires a coordinated intracellular response to diverse extracellular stimuli, but the role of specific signaling mechanisms in regulating this process is still poorly understood. Soluble guanylate cyclases (sGCs), which can be stimulated by diffusible free radical gasses such as nitric oxide...

journal_title：Developmental biology

authors： Wright JW,Schwinof KM,Snyder MA,Copenhaver PF

更新日期：1998-12-01 00:00:00

abstract：:Hedgehog (Hh) signaling is thought to occur in primary cilia, but the molecular basis of Gli2 and Gli3 activation by Hh signaling in cilia is unknown. Similarly, how ciliary gene mutations result in reduced Gli3 processing that generates a repressor is also not clear. Here we show that Hh signaling inhibits Gli2 and G...

journal_title：Developmental biology

authors： Li J,Wang C,Wu C,Cao T,Xu G,Meng Q,Wang B

更新日期：2017-09-01 00:00:00

abstract：:Using DiI fluorescent dextrans, we have created fate maps of the neural plate and early neural tube describing the extent of progenitor cell dispersal and the spatial origin of morphologically distinct neuronal cell types along the dorsoventral axis of the developing chick spinal cord. Nonuniform dispersal and mixing ...

journal_title：Developmental biology

authors： Erskine L,Patel K,Clarke JD

更新日期：1998-07-01 00:00:00

abstract：:Bone morphogenetic protein-4 (BMP-4) induces epidermis and represses neural fate in Xenopus ectoderm. Our previous findings implicate p42 Erk MAP kinase (MAPK) in the response to neural induction. We have examined the effects of BMP-4 on MAPK activity in gastrula ectoderm. Expression of a dominant negative BMP-4 recep...

journal_title：Developmental biology

authors： Goswami M,Uzgare AR,Sater AK

更新日期：2001-08-15 00:00:00

abstract：:The mab-21 gene was first identified because of its requirement for ray identity specification in Caenorhabditis elegans. It is now known to constitute a family of genes that are highly conserved from vertebrates to invertebrates, and two homologues Mab21l1 and Mab21l2 have been identified in many species. Here we des...

journal_title：Developmental biology

authors： Yamada R,Mizutani-Koseki Y,Koseki H,Takahashi N

更新日期：2004-10-15 00:00:00

abstract：:A key step in organogenesis of the Drosophila tracheal system is the integration of isolated tracheal metameres into a connected tubular network. The interaction of tracheal cells with surrounding mesodermal cells is crucial in this process. In particular, single mesodermal cells called bridge-cells are essential for ...

journal_title：Developmental biology

authors： Krause C,Wolf C,Hemphälä J,Samakovlis C,Schuh R

更新日期：2006-08-01 00:00:00

abstract：:During Drosophila oogenesis, activation of Notch signaling in the follicular epithelium (FE) around stage 6 of oogenesis is essential for entry into the endocycle and a series of other changes such as cell differentiation and migration of subsets of the follicle cells. Notch induces the expression of zinc finger prote...

journal_title：Developmental biology

authors： Jia D,Tamori Y,Pyrowolakis G,Deng WM

更新日期：2014-08-01 00:00:00

abstract：:Initiation of transcription mediated by RNA polymerase II requires a number of transcription factors among which TFIID is the major core promoter recognition factor. TFIID is composed of highly conserved factors which include the TATA-binding protein (TBP) and about 14 TBP-associated factors (TAFs). Recently, the comp...

journal_title：Developmental biology

authors： Lago C,Clerici E,Dreni L,Horlow C,Caporali E,Colombo L,Kater MM

更新日期：2005-09-01 00:00:00

abstract：:The cardiac neural crest contains ectomesenchymal and neural anlagen that are necessary for normal heart development. It is not known whether other regions of the neural crest are capable of supporting normal heart development. In the experiments reported herein, quail donor embryos provided cardiac, trunk, or mesence...

journal_title：Developmental biology

authors： Kirby ML

更新日期：1989-08-01 00:00:00

abstract：:We show that the intermediate filament protein nestin is expressed in myogenic cells and that multiple mechanisms regulate nestin expression at different stages of myogenesis. Cultured embryonic, fetal, and neonatal mouse limb myoblasts initially expressed nestin in the absence of the four muscle regulatory factors (M...

journal_title：Developmental biology

authors： Kachinsky AM,Dominov JA,Miller JB

更新日期：1994-09-01 00:00:00

abstract：:Hoxa-11 and Hoxd-11 are paralogous genes required for proper development of the vertebral column, the limbs, and the urogenital system. To further explore the functional relationship between these genes, as well as the potential rescue of one function by the other, we have introduced a Hoxd-11-expressing transgene int...

journal_title：Developmental biology

authors： Zákány J,Gérard M,Favier B,Potter SS,Duboule D

更新日期：1996-06-15 00:00:00

abstract：:Full-grown Xenopus oocytes, Stage VI (1200-1300 microns), undergo meiotic maturation when exposed to progesterone. Smaller stage IV (800 microns) and stage V (1000 microns) oocytes remain in prophase arrest when exposed to this steroid. The larger stage VI oocytes undergo an intracellular alkalization from 7.2 to 7.6,...

journal_title：Developmental biology

authors： Wasserman WJ,Houle JG,Samuel D

更新日期：1984-10-01 00:00:00

abstract：:Developmental pattern formation allows cells within a tissue or organ to coordinate their development and establish cell types in relationship to one another. To better characterize the developmental patterning events within one organ, the C. elegans hindgut, we have analyzed the expression pattern of several genes us...

journal_title：Developmental biology

authors： Sewell ST,Zhang G,Uttam A,Chamberlin HM

更新日期：2003-10-01 00:00:00

abstract：:A subset of macrophages that reside in adult tissues originate from the fetal yolk sac, while others derive from circulating monocytes. These ontologically different macrophage subsets have distinct roles in tissue injury responses, with the embryonic population overall having beneficial activity in cardiac repair. He...

journal_title：Developmental biology

authors： Stevens SM,von Gise A,VanDusen N,Zhou B,Pu WT

更新日期：2016-05-15 00:00:00

abstract：:Symplastic spermatids (sys) male mice are sterile due to a recessive mutation that causes defective adhesion between spermatids and Sertoli cells within the seminiferous epithelium. We show that the mutation in sys mice involves a deletion of 1.24 Mb of chromosome 14. Comparative genomic analysis suggests that this re...

journal_title：Developmental biology

authors： Obholz KL,Akopyan A,Waymire KG,MacGregor GR

更新日期：2006-10-15 00:00:00

abstract：:The acquisition of fertilizability in coelomic eggs of Xenopus laevis has been shown to be correlated with the physical, biochemical, and ultrastructural alterations of the egg envelope [coelomic envelope (CE)] induced during the passage of eggs through the pars recta portion of the oviduct. However, no direct evidenc...

journal_title：Developmental biology

authors： Katagiri C,Yoshizaki N,Kotani M,Kubo H

更新日期：1999-06-15 00:00:00

abstract：:In this study, we present evidence that neurogenic cells inhibit the differentiation of cardiogenic cells. When cells of the entire area pellucida at stage 5 were dissociated and reaggregated, the aggregates differentiated into neural tissues and other structures of any germ layer origin, except for heart tissues, des...

journal_title：Developmental biology

authors： Climent S,Sarasa M,Villar JM,Murillo-Ferrol NL

更新日期：1995-09-01 00:00:00

abstract：:We have cloned a member of the fork head/HNF-3 family of transcription factors from the nematode Caenorhabditis elegans. Within the predicted DNA binding domain, this gene, called Ce-fkh-1, is 75-78% identical to the Drosophila fork head and rat liver HNF-3 alpha, beta, and gamma genes. Ce-fkh-1 mRNA is highly enriche...

journal_title：Developmental biology

authors： Azzaria M,Goszczynski B,Chung MA,Kalb JM,McGhee JD

更新日期：1996-09-15 00:00:00

abstract：:Voltage-gated Na(+) and K(+) channels are localized to distinct subcellular domains in mammalian myelinated nerve fibers. Specifically, Na(+) channels are clustered in high densities at nodes of Ranvier, while K(+) channels are found in juxtaparanodal zones just beyond regions of axoglial contact where sequential laye...

journal_title：Developmental biology

authors： Rasband MN,Trimmer JS

更新日期：2001-08-01 00:00:00

abstract：:Gastrulation is the first major morphogenetic movement in development and requires dynamic regulation of cell adhesion and the cytoskeleton. Caenorhabditis elegans gastrulation begins with the migration of the two endodermal precursors, Ea and Ep, from the surface of the embryo into the interior. Ea/Ep migration provi...

journal_title：Developmental biology

authors： Grana TM,Cox EA,Lynch AM,Hardin J

更新日期：2010-08-15 00:00:00

abstract：:VegT is an essential maternal regulator of germ layer specification in Xenopus. The localization of VegT mRNA to the vegetal cortex of the oocyte during oogenesis ensures its inheritance by vegetal and not animal cells, and directs the differentiation of vegetal cells into endoderm. Similarly localized mRNAs, Vg1 and ...

journal_title：Developmental biology

authors： Heasman J,Wessely O,Langland R,Craig EJ,Kessler DS

更新日期：2001-12-15 00:00:00

abstract：:Microtubule organization during the novel cell division of ameiotic microsporocytes was examined using indirect immunofluorescence microscopy. A recessive mutation of the maize gene Ameiotic causes the replacement of meiosis I with a synchronized mitotic division (Palmer, R. G. (1971). Chromosoma 35, 233-246). All ide...

journal_title：Developmental biology

authors： Staiger CJ,Cande WZ

更新日期：1992-11-01 00:00:00

abstract：:During organogenesis, Sonic hedgehog (Shh) possesses dual functions: Shh emanating from midline structures regulates the positioning of bilateral structures at early stages, whereas organ-specific Shh locally regulates organ morphogenesis at later stages. The mesonephros is a transient embryonic kidney in amniote, whe...

journal_title：Developmental biology

authors： Murashima A,Akita H,Okazawa M,Kishigami S,Nakagata N,Nishinakamura R,Yamada G

更新日期：2014-02-01 00:00:00

abstract：:Nanos is a translational regulator required for the survival and maintenance of primordial germ cells during embryogenesis. Three nanos homologs are present in the genome of the sea urchin Strongylocentrotus purpuratus (Sp), and each nanos mRNA accumulates specifically in the small micromere (sMic) lineage. We found t...

journal_title：Developmental biology

authors： Oulhen N,Yoshida T,Yajima M,Song JL,Sakuma T,Sakamoto N,Yamamoto T,Wessel GM

更新日期：2013-05-01 00:00:00

abstract：:We demonstrate that interspecific sequence conservation can provide a systematic guide to the identification of functional cis-regulatory elements within a large expanse of genomic DNA. The test was carried out on the otx gene of Strongylocentrotus purpuratus. This gene plays a major role in the gene regulatory networ...

journal_title：Developmental biology

authors： Yuh CH,Brown CT,Livi CB,Rowen L,Clarke PJ,Davidson EH

更新日期：2002-06-01 00:00:00

abstract：:The tadpole-type larva of Ciona has emerged as an intriguing model system for the study of neurodevelopment. The Ciona intestinalis connectome has been recently mapped, revealing the smallest central nervous system (CNS) known in any chordate, with only 177 neurons. This minimal CNS is highly reminiscent of larger CNS...

journal_title：Developmental biology

authors： Sharma S,Wang W,Stolfi A

更新日期：2019-04-15 00:00:00

abstract：:Spermatogenesis is a complex process that requires coordinated proliferation and differentiation of male germ cells. The molecular events that dictate this process are largely unknown, but are likely to involve highly regulated transcriptional control. In this study, we investigate the contribution of chromatin associ...

journal_title：Developmental biology

authors： Pellegrino J,Castrillon DH,David G

更新日期：2012-09-15 00:00:00

abstract：:We have analyzed several aspects of the development of flies carrying mutations at the Glued locus. Optic lobe abnormalities in individuals heterozygous for the original Glued allele were previously shown to result from an action of this mutation in the retinula cells. We have estimated when the functioning of this ge...

journal_title：Developmental biology

authors： Harte PJ,Kankel DR

更新日期：1983-09-01 00:00:00