Sequential programs of retinoic acid synthesis in the myocardial and epicardial layers of the developing avian heart.

abstract：:A polarity in gap junctional permeability normally exists in 32-cell stage Xenopus embryos, in that dorsal cells are relatively more coupled than ventral cells, as measured by transfer of Lucifer yellow dye. The current study extends our analysis of whether gap junctional permeability at this stage can be modulated by...

journal_title：Developmental biology

authors： Olson DJ,Moon RT

更新日期：1992-05-01 00:00:00

abstract：:The zebrafish fin is an excellent system to study the mechanisms of dermal bone patterning. Fin rays are segmented structures that form successive bifurcations both during ontogenesis and regeneration. Previous studies showed that sonic hedgehog (shha) may regulate regenerative bone patterning based on its expression ...

journal_title：Developmental biology

authors： Zhang J,Jeradi S,Strähle U,Akimenko MA

更新日期：2012-05-15 00:00:00

abstract：:Thoracic sensory neurons in bullfrog tadpoles can be induced to form connections typical of brachial sensory neurons by transplanting thoracic ganglia to the branchial level at stages when some thoracic sensory neurons already have formed connections. In order to find out how many postmitotic sensory neurons survive t...

journal_title：Developmental biology

authors： Smith CL

更新日期：1990-12-01 00:00:00

abstract：:The inner ear, the sensory organ responsible for hearing and balance, contains specialized sensory and non-sensory epithelia arranged in a highly complex three-dimensional structure. To achieve this complexity, a tight coordination between morphogenesis and cell fate specification is essential during otic development....

journal_title：Developmental biology

authors： Vázquez-Echeverría C,Dominguez-Frutos E,Charnay P,Schimmang T,Pujades C

更新日期：2008-10-01 00:00:00

abstract：:Ligands of the transforming growth factor beta (TGFbeta) superfamily, like Nodal and bone morphogenetic protein (BMP), are pivotal to establish left-right (LR) asymmetry in vertebrates. However, the receptors mediating this process are unknown. Here we identified two new type II receptors for BMPs in zebrafish termed ...

journal_title：Developmental biology

authors： Monteiro R,van Dinther M,Bakkers J,Wilkinson R,Patient R,ten Dijke P,Mummery C

更新日期：2008-03-01 00:00:00

abstract：:How organisms control organ size is not fully understood. We found that Syd/JIP3 is required for proper wing size in Drosophila. JIP3 mutations are associated with organ size defects in mammals. The underlying mechanisms are not well understood. We discovered that Syd/JIP3 inhibition results in a downregulation of the...

journal_title：Developmental biology

authors： Ahmad V,Vadla GP,Chabu CY

更新日期：2021-01-01 00:00:00

abstract：:DNA amplification for two major DNA puffs (II/2B and II/9A) of the fungus fly Sciara coprophila increases steeply from 17 to 19 days after hatching (18 degrees C), resulting in almost 20-fold more DNA at these loci in mature larval salivary glands than in adult tissues. At 19 days after hatching when gene amplificatio...

journal_title：Developmental biology

authors： Wu N,Liang C,DiBartolomeis SM,Smith HS,Gerbi SA

更新日期：1993-11-01 00:00:00

abstract：:We have examined the morphology of fetal rat sympathetic neurons grown in serum-free medium in the absence of nonneuronal cells. Because cell density can affect phenotypic expression in vitro, the morphological analysis was subdivided into the study of isolated neurons (neurons whose somata were at least 150 micron fr...

journal_title：Developmental biology

authors： Bruckenstein DA,Higgins D

更新日期：1988-08-01 00:00:00

abstract：:Regulated changes in the cell cycle underlie many aspects of growth and differentiation. Prior to meiosis, germ cell cycles in many organisms become accelerated, synchronized, and modified to lack cytokinesis. These changes cause cysts of interconnected germ cells to form that typically contain 2(n) cells. In Drosophi...

journal_title：Developmental biology

authors： Lilly MA,de Cuevas M,Spradling AC

更新日期：2000-02-01 00:00:00

abstract：:Oocyte maturation in mouse is associated with a dramatic reorganisation of the endoplasmic reticulum (ER) from a network of cytoplasmic accumulations in the germinal vesicle-stage oocyte (GV) to a network of distinctive cortical clusters in the metaphase II egg (MII). Multiple lines of evidence suggest that this redis...

journal_title：Developmental biology

authors： FitzHarris G,Marangos P,Carroll J

更新日期：2007-05-01 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：:We have investigated the accumulation and adenylation of the maternal mRNA during oogenesis in the oocytes of the marine worm Urechis caupo. The analysis, using in vitro translation and cDNA probes to assay for specific mRNAs, demonstrates that different maternal mRNAs accumulate with different patterns during oogenes...

journal_title：Developmental biology

authors： Rosenthal ET,Wilt FH

更新日期：1986-09-01 00:00:00

abstract：:Normal animal development requires accurate cell divisions, not only in the early stages of rapid embryonic cleavages, but also in later developmental stages. The Caenorhabditis elegans unc-85 gene is implicated only in cell divisions that occur post-embryonically, primarily in terminal neuronal lineages. Variable pos...

journal_title：Developmental biology

authors： Grigsby IF,Finger FP

更新日期：2008-07-01 00:00:00

abstract：:The thyroid gland synthesizes thyroxine (T4), which passes through the larval tadpole's circulatory system. The enzyme type II iodothyronine deiodinase (D2) converts thyroxine (T4) to the active hormone 3,5,3'-triiodothyronine (T3) in peripheral tissues. An early response to thyroid hormone (TH) in the Xenopus laevis ...

journal_title：Developmental biology

authors： Cai L,Brown DD

更新日期：2004-02-01 00:00:00

abstract：:Antenna structure varies widely among insects, in contrast to the well-conserved structure of legs. The adult capitate antenna of the red flour beetle, Tribolium castaneum, is composed of eleven articles, organized into four distinct morphological regions (scape, pedicel, funicle and club). Here, we report the use of ...

journal_title：Developmental biology

authors： Angelini DR,Kikuchi M,Jockusch EL

更新日期：2009-03-01 00:00:00

abstract：:Chondrocytes were isolated from the auricular cartilage of rabbits, aged 1 week to 30 months, and grown in short-term cell culture. The cells from the 1-week animals were small, polygonal, and mononucleated, while the chondrocytes from the older animals were larger, rounded, and frequently binucleated. The synthesis o...

journal_title：Developmental biology

authors： Madsen K,Moskalewski S,von der Mark K,Friberg U

更新日期：1983-03-01 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：:Embryonic development involves a series of cell adhesive interactions that provide mechanical and instructive information required for morphogenesis. The ADAMs family of membrane-anchored proteins, containing a disintegrin and metalloprotease domain, is well suited for participating in such developmental events. They ...

journal_title：Developmental biology

authors： Alfandari D,Wolfsberg TG,White JM,DeSimone DW

更新日期：1997-02-15 00:00:00

abstract：:During early vertebrate development, members of the transforming growth factor beta (TGFbeta) family play important roles in a variety of processes, including germ layer specification, patterning, cell differentiation, migration, and organogenesis. The activities of TGFbetas need to be tightly controlled to ensure the...

journal_title：Developmental biology

authors： Chang C,Eggen BJ,Weinstein DC,Brivanlou AH

更新日期：2003-03-01 00:00:00

abstract：:Integrins are expressed on the surface of some vertebrate eggs where they are thought to have a role in fertilization. The objective of this study is to determine if integrins are expressed on sea urchin eggs. The alphaB and betaC subunits were cloned using the homology polymerase chain reaction. Monoclonal and polycl...

journal_title：Developmental biology

authors： Murray G,Reed C,Marsden M,Rise M,Wang D,Burke RD

更新日期：2000-11-15 00:00:00

abstract：:In the spawned Xenopus egg, germ plasm is found as cytoplasmic islands spread over a wide cortical region of the vegetal pole. However, by the blastula stage, the same material is found concentrated into a few large blastomeres at the floor of the blastocoel. Components of the germ plasm can be specifically labeled wi...

journal_title：Developmental biology

authors： Savage RM,Danilchik MV

更新日期：1993-06-01 00:00:00

abstract：:The sensory neurons of the Drosophila wing differentiate during the initial stages of metamorphosis, appearing in the imaginal wing disc as it everts and flattens. These identifiable neurons arise in a stereotyped sequence, and lay down a specific pattern of axon bundles which travel proximally to the CNS. In several ...

journal_title：Developmental biology

authors： Blair SS,Palka J

更新日期：1985-04-01 00:00:00

abstract：:Repulsion plays a fundamental role in the establishment of a topographic map of the chick retinotectal projections. This has been highlighted by studies demonstrating the role of opposing gradients of the EphA3 receptor tyrosine kinase on retinal axons and two of its ligands, ephrin-A2 and ephrin-A5, in the tectum. We...

journal_title：Developmental biology

authors： Marín O,Blanco MJ,Nieto MA

更新日期：2001-06-15 00:00:00

abstract：:Pole cell formation in embryos of the parthenogenetic midge, Smittia sp., can be delayed or inhibited by irradiation of the posterior egg pole with ultraviolet light (uv). This leaves the schedule of nuclear divisions and chromosome eliminations virtually unaffected. However, uv irradiation delays the precocious migra...

journal_title：Developmental biology

authors： von Brunn A,Kalthoff K

更新日期：1983-12-01 00:00:00

abstract：:The CRISPR/Cas9 system is a rapid, simple, and often extremely efficient gene editing method. This method has been used in a variety of organisms and cell types over the past several years. However, using this technology for generating gene-edited animals involves a number of obstacles. One such obstacle is mosaicism,...

journal_title：Developmental biology

authors： Mehravar M,Shirazi A,Nazari M,Banan M

更新日期：2019-01-15 00:00:00

abstract：:Mutations at the Drosophila melanogaster locus female sterile (1) homeotic (fs(1)h) result in segmental abnormalities including missing organs and homeotic transformations in the progeny of mutant mothers. Homeotic transformations are enhanced when the zygotes carry one of several third chromosome mutations, specifica...

journal_title：Developmental biology

authors： Digan ME,Haynes SR,Mozer BA,Dawid IB,Forquignon F,Gans M

更新日期：1986-03-01 00:00:00

abstract：:The sizes of amino acid pools in growing Xenopus laevis oocytes have been measured. The total free amino acid content per oocyte increases nearly 25-fold during oocyte growth. Together, glutamic acid and aspartic acid account for approximately 59-75% of the total amino acid pool in Xenopus oocytes. On the other hand, ...

journal_title：Developmental biology

authors： Taylor MA,Smith LD

更新日期：1987-11-01 00:00:00

abstract：:Large steady electrical currents traverse Drosophila follicles in vitro as well as permeabilized eggs. During the period of main follicle growth (stages 9-11), these currents enter the anterior or nurse cell end of the follicles. This inward current acts like a sodium ion influx with some calcium involvement. During t...

journal_title：Developmental biology

authors： Overall R,Jaffe LF

更新日期：1985-03-01 00:00:00

abstract：:A mutant gene dose-dependent inhibition of cerebellar granule cell neuron survival and neurite growth in dissociated cultures of cerebellum from 7-day-old heterozygous (+/wv) and homozygous (wv/wv) weaver mutant mice (M. Willinger, D. M. Margolis, and R. L. Sidman. (1981), J. Supramol. Struc. 17, 79-86) has previously...

journal_title：Developmental biology

authors： Willinger M,Margolis DM

更新日期：1985-01-01 00:00:00

abstract：:Trichosia pubescens larvae were ligated at different prepupal developmental stages in order to investigate whether ecdysterone acts just as a trigger or whether its presence in the hemolymph is constantly necessary for the induction of the late puffs, in particular the DNA puffs. The larvae were ligated in the middle ...

journal_title：Developmental biology

authors： Amabis DC,Amabis JM

更新日期：1984-03-01 00:00:00