Abstract:
:In this paper we present a structural and functional characterization of a new sea urchin embryo transcription factor, SpRunt-1. This factor was isolated by means of its specific interaction with a cis-regulatory target site of the CyIIIa gene. Here we show that this target site, the P7I site, is required for normal embryonic activation of CyIIIa x CAT reporter gene constructs. An oligonucleotide affinity column bearing the P7I target site purifies a 21-kDa polypeptide from blastula-stage nuclear extracts, and the amino acid sequence obtained from this polypeptide was used to generate a nucleic acid probe with which the corresponding cDNA was cloned. The cDNA encodes an approximately 60-kDa protein, SpRunt-1, which includes a "runt domain" that is closely homologous to those of Drosophila and mammalian runt domain transcription factors. RNA and genomic blots show that SpRunt-1 is represented by a single embryonic transcript, encoded by one of possibly two runt-domain-containing genes. By RNA probe protection we found that transcripts of SpRunt-1 increase in concentration dramatically after the blastula stage of development, suggesting that the up-regulation of CyIIIa that occurs after blastula stage is a function of zygotically transcribed SpRunt-1. These results are discussed with reference to known features of the runt domain family of transcription factors.
journal_name
Dev Bioljournal_title
Developmental biologyauthors
Coffman JA,Kirchhamer CV,Harrington MG,Davidson EHdoi
10.1006/dbio.1996.0050subject
Has Abstractpub_date
1996-02-25 00:00:00pages
43-54issue
1eissn
0012-1606issn
1095-564Xpii
S0012-1606(96)90050-0journal_volume
174pub_type
杂志文章abstract::Single cells from 512-cell Xenopus embryos, totally labeled with intracellular horseradish peroxidase, were transplanted orthotopically (from either dorsal or lateral marginal zone) or heterotopically (between these two marginal zones) to unlabeled host embryos at the 512-cell stage. At tailbud stage 23 the locations,...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1016/s0012-1606(89)80043-0
更新日期:1989-01-01 00:00:00
abstract::The fertilization potential in Phallusia mammillata consisted of an initial rapid depolarization. This initial sperm-triggered depolarization was followed by a phase of membrane depolarization which was of either long or short duration, depending on the eggs. When of long duration, the phase of membrane depolarization...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1016/0012-1606(92)90108-s
更新日期:1992-10-01 00:00:00
abstract::Mesodermal tissue with heart forming potential (cardiogenic mesoderm) is induced during gastrulation. This cardiogenic mesoderm later differentiates into heart muscle tissue (myocardium) and non-muscular heart tissue. Inhibition of Wnt/beta-catenin signaling is known to be required early for induction of cardiogenic m...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1016/j.ydbio.2008.08.032
更新日期:2008-11-15 00:00:00
abstract::We have tested the role of proteoglycans in the development of feather pattern by culturing 7-day-old embryonic chick skins on medium containing para-nitrophenyl-beta-D-xyloside (2 mM). Xylosides compete with core proteins of proteoglycans by acting as exogenous acceptors for the synthesis of glycosaminoglycans leadin...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1016/0012-1606(88)90199-6
更新日期:1988-05-01 00:00:00
abstract::To understand cell interactions during induction of skin appendages, we studied the roles of adhesion molecules N-CAM, tenascin, integrin, and fibronectin during feather development. Tenascin appeared in a periodic pattern on epithelia and was so far the earliest molecule detected in placodes. Three placode domains we...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1016/0012-1606(92)90009-6
更新日期:1992-03-01 00:00:00
abstract::NK-2-class homeobox genes have been identified in a variety of metazoans, from sponges to arthropods and vertebrates, and have been shown to play roles in a variety of cell and tissue specifications. Here we describe the characterization of the NK-2 homolog CnNK-2 from Hydra vulgaris, a freshwater cnidarian. CnNK-2 ex...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1006/dbio.1996.0321
更新日期:1996-12-15 00:00:00
abstract::Patterning of the early neural tube is achieved in part by the inductive signals, which arise from neuroepithelial signaling centers. The zona limitans intrathalamica (ZLI) is a neuroepithelial domain in the alar plate of the diencephalon which separates the prethalamus from the thalamus. The ZLI has recently been con...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1016/j.ydbio.2005.05.031
更新日期:2005-08-15 00:00:00
abstract::Hox genes are thought to participate in patterning the anteroposterior (a-p) axis during vertebrate embryogenesis. In this investigation, the spatial expression of six Hoxb genes was analyzed in early embryos of Xenopus laevis by in situ hybridization. Hoxb gene expression was first detected in late gastrulae/early ne...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1006/dbio.1994.1330
更新日期:1994-12-01 00:00:00
abstract::Biologists have long recognized that dramatic bending of a cell sheet may be driven by even modest shrinking of the apical sides of cells. Cell shape changes and tissue movements like these are at the core of many of the morphogenetic movements that shape animal form during development, driving processes such as gastr...
journal_title:Developmental biology
pub_type: 杂志文章,评审
doi:10.1016/j.ydbio.2009.09.009
更新日期:2010-05-01 00:00:00
abstract::The pdx1 gene is essential for pancreatic organogenesis in humans and mice; pdx1 mutations have been identified in human diabetic patients. Specific inactivation of pdx1 in adult beta cells revealed that this gene is required for maintenance of mature beta cell function. In the following study, a Cre-lox strategy was ...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1016/j.ydbio.2007.10.038
更新日期:2008-02-15 00:00:00
abstract::Primary sensory olfactory neurons reside in a neuroepithelium lining the nasal cavity and project topographically onto the surface of the olfactory bulb, a rostral extension of the telencephalon. Galectin-1, a bivalent galactose-binding vertebrate lectin, is expressed in the developing rodent olfactory system. In the ...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1006/dbio.1996.0257
更新日期:1996-10-10 00:00:00
abstract::We previously isolated a p53 cDNA from a Xenopus oocyte library. To determine if p53 has a function in the developmental period, we have studied its expression at the RNA and protein levels during the early development of Xenopus laevis. Two p53 transcripts (3 and 2.2 kb) are expressed from the beginning of Xenopus oo...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1006/dbio.1993.1230
更新日期:1993-09-01 00:00:00
abstract::Zygotes and embryos of the fucoid brown alga Pelvetia compressa undergo a series of asymmetric cleavages. We are interested in the developmental role of these cleavages and the mechanism controlling their alignment. To assess the importance of division plane alignment, the orientation of the first asymmetric division ...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1006/dbio.1997.8832
更新日期:1998-02-15 00:00:00
abstract::Botryllus schlosseri is a colonial marine urochordate in which all adult organisms (called zooids) in a colony die synchronously by apoptosis (programmed cell death) in cyclical fashion. During this death phase called takeover, cell corpses within the dying organism are engulfed by circulating phagocytic cells. The "o...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1006/dbio.2002.0772
更新日期:2002-09-15 00:00:00
abstract::The outgrowth of the mesoderm of the developing limb bud in response to the apical ectodermal ridge (AER) is mediated at least in part by members of the FGF family. Recent studies have indicated that FGFs need to interact with heparan sulfate proteoglycans in order to bind to and activate their specific cell surface r...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1006/dbio.1997.8525
更新日期:1997-04-15 00:00:00
abstract::Development and plasticity of synapses are brought about by a complex interplay between various signaling pathways. Typically, either changing the number of synapses or strengthening an existing synapse can lead to changes during synaptic plasticity. Altering the machinery that governs the exocytosis of synaptic vesic...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1016/j.ydbio.2013.09.025
更新日期:2013-12-01 00:00:00
abstract::These studies examined the potential for reorganization and differentiation of dissociated 18-day fetal rat intestine. Cultures of trypsin-dissociated fetal intestine were maintained in vitro for 1 week on a three-dimensional matrix, then transplanted into syngeneic hosts. When harvested after 4 weeks, these transplan...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1016/0012-1606(83)90209-9
更新日期:1983-11-01 00:00:00
abstract::We have identified zebrafish orthologues of glial cell line-derived neurotrophic factor (GDNF) and the ligand-binding component of its receptor GFRalpha1. We examined the mRNA expression pattern of these genes in the developing spinal cord primary motor neurons (PMN), kidney, and enteric nervous systems (ENS) and have...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1006/dbio.2000.0145
更新日期:2001-03-15 00:00:00
abstract::The categorical data set is an important data class in experimental biology and contains data separable into several mutually exclusive categories. Unlike measurement of a continuous variable, categorical data cannot be analyzed with methods such as the Student's t-test. Thus, these data require a different method of ...
journal_title:Developmental biology
pub_type: 杂志文章,评审
doi:10.1016/j.ydbio.2010.08.018
更新日期:2010-12-01 00:00:00
abstract::Cells from newborn rat hindlimb show greatly enhanced myogenicity when grown on surfaces coated with poly-L-lysine followed by laminin (PLL/Lam) instead of the collagens routinely used. Coating with poly-L-lysine (PLL) alone or with PLL followed by collagen does not enhance myogenicity. Both myogenic and nonmyogenic c...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1016/0012-1606(87)90327-7
更新日期:1987-07-01 00:00:00
abstract::Leaf primordia, first visible as small bumps, are produced in a cyclical pattern at the edges of the shoot apex, a smooth region at the top of the stem. Their formation is a biomechanical process. This review first considers hypothetical construction mechanisms and then summarizes research that provides information ab...
journal_title:Developmental biology
pub_type: 杂志文章,评审
doi:10.1016/0012-1606(92)90089-y
更新日期:1992-09-01 00:00:00
abstract::The stability of sexual phenotype was examined in a single clone of Hydra oligactis males maintained at two culture temperatures, 18 and 22 degrees C. At these temperatures animals of this species do not reproduce sexually, but reproduce asexually by budding, and males and females are morphologically indistinguishable...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1016/0012-1606(86)90311-8
更新日期:1986-10-01 00:00:00
abstract::To examine whether the 200-kDa neurofilament protein (200K NFP) is involved in mechanically stabilizing axons, we studied the developmental appearance of immunoreactivity to nonphosphorylated and phosphorylated 200K NFP at the neuromuscular junction. Polyinnervated rat muscle fibers become singly innervated during the...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1016/0012-1606(88)90422-8
更新日期:1988-11-01 00:00:00
abstract::Eggs and embryos of the sea urchin Lytechinus pictus were labeled with [35S]methionine. Aqueous extracts of protein were prepared and analyzed by a high resolution two-dimensional polyacrylamide gel electrophoresis system described recently by O'Farrell utilizing isoelectric focusing and sodium dodecyl sulfate electro...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1016/0012-1606(76)90248-7
更新日期:1976-09-01 00:00:00
abstract::Experiments in which the developing gut of avian embryos was back-transplanted to permit the bowel to interact with the developing neural tube were undertaken. Segments of intestine from 4-day quail embryos were implanted between the somites and neural tubes of chick embryos of 7 to 24 somites. The spinal cord respond...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1016/0012-1606(87)90486-6
更新日期:1987-12-01 00:00:00
abstract::The Foxl1 gene, which encodes a winged helix transcriptional regulator, is expressed in the mesenchymal layer of developing and mature gastrointestinal tract. Foxl1-deficient mice exhibit various defects not only in the epithelial layer of the gastrointestinal tract but also in gut-associated lymphoid tissues. In the ...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1016/s0012-1606(02)00088-x
更新日期:2003-03-15 00:00:00
abstract::The stromal microenvironment regulates mammary gland branching morphogenesis. We have observed that mast cells are present in the mammary gland throughout its postnatal development and, in particular, are found around the terminal end buds and ductal epithelium of the pubertal gland. Mast cells contribute to allergy, ...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1016/j.ydbio.2009.10.021
更新日期:2010-01-01 00:00:00
abstract::External genital development begins with formation of paired genital swellings, which develop into the genital tubercle. Proximodistal outgrowth and axial patterning of the genital tubercle are coordinated to give rise to the penis or clitoris. The genital tubercle consists of lateral plate mesoderm, surface ectoderm,...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1006/dbio.2002.0668
更新日期:2002-07-01 00:00:00
abstract::During early development, GATA factors have been shown to be important for key events of coronary vasculogenesis, including formation of the epicardium. Myocardial GATA factors are required for coronary vascular (CV) formation; however, the role of epicardial localized GATAs in this process has not been addressed. The...
journal_title:Developmental biology
pub_type: 杂志文章
doi:10.1016/j.ydbio.2013.12.033
更新日期:2014-02-01 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
pub_type: 杂志文章
doi:10.1006/dbio.1995.1160
更新日期:1995-06-01 00:00:00