abstract：:The expression pattern of K(+) currents is the principal regulator of electrical activity during development of the nervous and muscular system. We report here a study showing the expression pattern of HERG K(+) currents-encoding (erg) genes in various nervous and muscular tissues at different stages of quail embryo d...

journal_title：Mechanisms of development

authors： Crociani O,Cherubini A,Piccini E,Polvani S,Costa L,Fontana L,Hofmann G,Rosati B,Wanke E,Olivotto M,Arcangeli A

更新日期：2000-07-01 00:00:00

abstract：:DEADSouth was selected in a screen for localized RNAs in Xenopus oocytes. In situ hybridization analysis shows that DEADSouth localizes to the vegetal cortex via the mitochondrial cloud early in oogenesis and segregates with germ plasm during early embryogenesis. These results lend further support for the general conc...

journal_title：Mechanisms of development

authors： MacArthur H,Houston DW,Bubunenko M,Mosquera L,King ML

更新日期：2000-07-01 00:00:00

abstract：:Using the epidermis-specific cytokeratin 14 promoter to deliver HGF exclusively from epidermal keratinocytes, we have examined the potential of hepatocyte growth factor (HGF) secreted from the normal environment to control morphogenesis. The transgenic mice displayed a significant increase of the number of melanocytes...

journal_title：Mechanisms of development

authors： Kunisada T,Yamazaki H,Hirobe T,Kamei S,Omoteno M,Tagaya H,Hemmi H,Koshimizu U,Nakamura T,Hayashi SI

更新日期：2000-06-01 00:00:00

abstract：:We have isolated a Xenopus homologue of the zinc finger/homeodomain-containing transcriptional repressor Smad-interacting protein-1 (SIP1) from mouse. XSIP1 is activated at the early gastrula stage and transcription occurs throughout embryogenesis. At the beginning of gastrulation, XSIP1 is strongly expressed in prosp...

journal_title：Mechanisms of development

authors： van Grunsven LA,Papin C,Avalosse B,Opdecamp K,Huylebroeck D,Smith JC,Bellefroid EJ

更新日期：2000-06-01 00:00:00

abstract：:We describe the identification and expression pattern of Xenopus frizzled 4 (Xfz4) gene during early development. Xfz4 protein presents characteristic features of a frizzled family member. The mature protein sequence of Xfz4 is 93% identical to murine Mfz4. Xfz4 is a maternal mRNA, its expression level remains constan...

journal_title：Mechanisms of development

authors： Shi DL,Boucaut JC

更新日期：2000-06-01 00:00:00

abstract：:During vertebrate eye development, the expression of the homeobox gene Six6 is restricted to the neural retina and is initiated later than Rx and Pax6 in the presumptive retina field. We show here that overexpression of mouse Six6 in Xenopus embryos can induce transformation of competent tissue of the anterior neural ...

journal_title：Mechanisms of development

authors： Bernier G,Panitz F,Zhou X,Hollemann T,Gruss P,Pieler T

更新日期：2000-05-01 00:00:00

abstract：:Using in situ hybridization on whole-mounts and sections of mouse embryos we have visualized the pattern of expression for the Eph receptor ligand ephrin-A5. Non neuronal expression domains include the ectoderm of the branchial arches, the ectoderm and mesenchyme surrounding the dorsal root ganglia, the intervertebral...

journal_title：Mechanisms of development

authors： Zarbalis K,Wurst W

更新日期：2000-05-01 00:00:00

abstract：:We describe the identification and detailed expression pattern of a second Drosophila Sox gene, SoxNeuro (SoxN), highly related to mammalian group B Sox1, 2, 3 genes. SoxN is expressed in a highly dynamic pattern during embyogenesis, being associated with the development of the central nervous system (CNS), from the e...

journal_title：Mechanisms of development

authors： Crémazy F,Berta P,Girard F

更新日期：2000-05-01 00:00:00

abstract：:We previously showed that otx2 activates ectopic formation of the Xenopus cement gland only in ventrolateral ectoderm, defining a region of the embryo permissive for cement gland formation. In this paper, we explore the molecular identity of this permissive area. One candidate permissive factor is BMP4, whose putative...

journal_title：Mechanisms of development

authors： Gammill LS,Sive H

更新日期：2000-04-01 00:00:00

abstract：:We present the first time/space analysis using in situ hybridization for PTTG and prc1 genes during development of the mouse telencephalon. During the stages E11.5-E13.5 PTTG and prc1 are expressed in most tissues of the embryo. Within the telencephalon, PTTG and prc1 are found exclusively inside of the ventricular zo...

journal_title：Mechanisms of development

authors： Tarabykin V,Britanova O,Fradkov A,Voss A,Katz LS,Lukyanov S,Gruss P

更新日期：2000-04-01 00:00:00

abstract：:The sex determining gene, Sry, determines the sex of the organism by initiating development of a testis rather than an ovary from the cells of the bipotential gonad. In the 10 years since the discovery of Sry, new genes and cellular pathways that operate in the establishment of the gonadal primordium and the initiatio...

journal_title：Mechanisms of development

authors： Capel B

更新日期：2000-03-15 00:00:00

abstract：:DCoH, the dimerization cofactor of the HNF-1 homeodomain proteins (hepatocyte nuclear factor-1alpha and beta), is involved in gene expression by associating with these transcription factors. The protein also called PCD for pterin-4alpha-carbinolamine dehydratase is a bifunctional factor as it catalyzes also the regene...

journal_title：Mechanisms of development

authors： Pogge v Strandmann E,Senkel S,Ryffel GU

更新日期：2000-03-01 00:00:00

abstract：:The actin cytoskeleton is implicated in many cellular processes, such as cell adhesion, locomotion, contraction and cytokinesis, which are central to any development. The extent of polymerization, cross-linking, and bundling of actin is regulated by several actin-binding proteins. Knock-out mutations in these proteins...

journal_title：Mechanisms of development

authors： Ponte E,Rivero F,Fechheimer M,Noegel A,Bozzaro S

更新日期：2000-03-01 00:00:00

abstract：:BMP2, like its Drosophila homologue dpp, is an important signaling molecule for specification of cardiogenic mesoderm in vertebrates. Here, we analyzed the time-course of BMP2-requirement for early heart formation in whole chick embryos and in explants of antero-lateral plate mesoderm. Addition of Noggin to explants i...

journal_title：Mechanisms of development

authors： Schlange T,Andrée B,Arnold HH,Brand T

更新日期：2000-03-01 00:00:00

abstract：:The phylogenetic location of hemichordates is unique because they seem to fill an evolutionary gap between echinoderms and chordates. We report here characterization of Pf-otx, a hemichordate ortholog of otx, with its embryonic and larval expression pattern. Pf-otx is initially expressed in the vegetal plate of the bl...

journal_title：Mechanisms of development

authors： Harada Y,Okai N,Taguchi S,Tagawa K,Humphreys T,Satoh N

更新日期：2000-03-01 00:00:00

abstract：:The Drosophila fat facets and canoe genes regulate non-neural cell fate decisions during ommatidium formation. We have shown previously that the FAM (fat facets in mouse) de-ubiquitinating enzyme regulates the function of AF-6, (mammalian canoe homologue), in the MDCK epithelial cell line (Taya et al., 1998. The Ras t...

journal_title：Mechanisms of development

authors： Kanai-Azuma M,Mattick JS,Kaibuchi K,Wood SA

更新日期：2000-03-01 00:00:00

abstract：:ActR-I is a type I serine/threonine kinase receptor which has been shown to bind activin and bone morphogenetic proteins (BMPs). To study the function of ActR-I, we have generated novel monoclonal antibodies that specifically recognize the extracellular domain of mouse ActR-I. We examined the level of ActR-I protein d...

journal_title：Mechanisms of development

authors： Yoshikawa SI,Aota S,Shirayoshi Y,Okazaki K

更新日期：2000-03-01 00:00:00

abstract：:We analyse the role of the empty spiracles (ems) gene in embryonic brain and ventral nerve cord development. ems is differentially expressed in the neurectoderm of the anterior head versus the trunk region of early embryos. A distal enhancer region drives expression in the deutocerebral brain anlage and a proximal enh...

journal_title：Mechanisms of development

authors： Hartmann B,Hirth F,Walldorf U,Reichert H

更新日期：2000-02-01 00:00:00

abstract：:pebble (pbl) is required for cytokinesis during postblastoderm mitoses (Hime, G., Saint, R., 1992. Zygotic expression of the pebble locus is required for cytokinesis during the postblastoderm mitoses of Drosophila. Development 114, 165-171; Lehner, C.F., 1992. The pebble gene is required for cytokinesis in Drosophila....

journal_title：Mechanisms of development

authors： Prokopenko SN,Saint R,Bellen HJ

更新日期：2000-02-01 00:00:00

abstract：:SPOCK is a modular proteoglycan, with homology with proteins involved in cell adhesion processes and neurogenesis. We have previously shown that SPOCK transcripts predominate in the adult mouse brain. Here, we report its expression during mouse embryonic development by in situ hybridization, and immunocytochemistry. S...

journal_title：Mechanisms of development

authors： Charbonnier F,Chanoine C,Cifuentes-Diaz C,Gallien CL,Rieger F,Alliel PM,Périn JP

更新日期：2000-02-01 00:00:00

abstract：:In order to dissect the MHC class I H-2K gene regulatory sequences, we p reviously generated transgenic mice containing various H-2K/lacZ fusion genes. However contrary to transgenes where H-2K sequences were fused to other coding sequences, none of the lacZ fusion transgenes was widely ex pressed like H-2K gene. We n...

journal_title：Mechanisms of development

authors： Cohen-Tannoudji M,Vandormael-Pournin S,Drezen J,Mercier P,Babinet C,Morello D

更新日期：2000-01-01 00:00:00

abstract：:Four genes - deltaA, deltaB, deltaC and deltaD - coding for homologues of the Notch ligand Delta have been discovered in zebrafish (Haddon et al., 1998b). We report here the cDNA sequence and expression pattern of deltaC. Its closest relatives are deltaB and Xenopus X-Delta-2. Unlike deltaA, deltaB, and deltaD, deltaC...

journal_title：Mechanisms of development

authors： Smithers L,Haddon C,Jiang YJ,Lewis J

更新日期：2000-01-01 00:00:00

abstract：:The cAMP signaling system has been postulated to be involved in embryogenesis of many animal species, however, little is known about its role in embryonic axis formation in vertebrates. In this study, the role of the cAMP signaling pathway in patterning the body plan of the Xenopus embryo was investigated by expressin...

journal_title：Mechanisms of development

authors： Kim MJ,Han JK

更新日期：1999-12-01 00:00:00

abstract：:dkk-1 has recently been identified as a secreted protein in Xenopus laevis which is sufficient and necessary to cause head induction by antagonizing Wnt signalling (Glinka et al., 1998, Nature 391, 357-362). Consistent with such a role dkk-1 is expressed in the Spemann organizer of the early frog gastrula. Later, expr...

journal_title：Mechanisms of development

authors： Grotewold L,Theil T,Rüther U

更新日期：1999-12-01 00:00:00

abstract：:Formation of tubular structures from an epithelial tissue is a process common to many morphogenetic events during organogenesis. We report here new data concerning the expression pattern of the vHNF1/HNF1beta gene during this process in the mouse. vHNF1 (variant Hepatocyte Nuclear Factor 1) is a member of the HNF1 hom...

journal_title：Mechanisms of development

authors： Coffinier C,Barra J,Babinet C,Yaniv M

更新日期：1999-12-01 00:00:00

abstract：:The recent development of transgenic methods for the frog Xenopus laevis provides the opportunity to study later developmental events, such as organogenesis, at the molecular level. Our studies have focused on the development of the tadpole gut, where tissue specific promoters have yet to be identified. We have used m...

journal_title：Mechanisms of development

authors： Beck CW,Slack JM

更新日期：1999-11-01 00:00:00

abstract：:Members of the TGFbeta superfamily of signalling molecules play important roles in mesendoderm induction and dorsoventral patterning of the vertebrate embryo. We cloned three intracellular mediators of TGFbeta signalling, smad1, 2 and 5, from the zebrafish. The three smad genes are expressed ubiquitously at the onset ...

journal_title：Mechanisms of development

authors： Müller F,Blader P,Rastegar S,Fischer N,Knöchel W,Strähle U

更新日期：1999-10-01 00:00:00

abstract：:Dickkopf-1 (dkk-1) is member of a novel family of secreted proteins and functions in head induction during Xenopus embryogenesis, acting as a potent inhibitor of Wnt signalling. Here we report: (1) the isolation of two additional murine members of the dkk family, dkk-2 and dkk-3; and (2) analysis of adult and embryoni...

journal_title：Mechanisms of development

authors： Monaghan AP,Kioschis P,Wu W,Zuniga A,Bock D,Poustka A,Delius H,Niehrs C

更新日期：1999-09-01 00:00:00

abstract：:We describe a zebrafish gene, Ziro3, which is highly homologous to Xenopus and mouse iroquois3. Ziro3 expression starts during gastrulation in the dorsal axial mesoderm that develops into the notochord. Later, the expression is limited to the chordo-neural hinge in the tailbud. Ziro3 expression also occurs in the cent...

journal_title：Mechanisms of development

authors： Tan JT,Korzh V,Gong Z

更新日期：1999-09-01 00:00:00

abstract：:We have investigated in detail the expression patterns of two Gata genes, cGata2 and cGata3, during early chick development. In addition to confirming previously described expression of these two genes in developing brain, kidney and blood islands, this study reveals several important novel expression domains during v...

journal_title：Mechanisms of development

authors： Sheng G,Stern CD

更新日期：1999-09-01 00:00:00

abstract：:In Drosophila, the homeotic gene Distal-less (Dll) has a fundamental role in the establishment of the identity of ventral appendages such as the leg and antenna. This study reports the expression pattern of Dll in the genital disc, the requirement of Dll activity for the development of the terminalia and the activatio...

journal_title：Mechanisms of development

authors： Gorfinkiel N,Sánchez L,Guerrero I

更新日期：1999-08-01 00:00:00

abstract：:We have characterized a retroviral promoter-trap insertion into a novel mammalian septin gene, Sep3. Its predicted amino acid sequence shares significant homology to that of Saccharomyces cerevisiae CDC3, CDC10, CDC11, CDC12, the Drosophila genes Pnut, Sep1, Sep2, and the mammalian genes BH5, CDC10, Nedd5, Diff6, and ...

journal_title：Mechanisms of development

authors： Xiong JW,Leahy A,Stuhlmann H

更新日期：1999-08-01 00:00:00

abstract：:We have characterised a short (30 base pair) element from the Xenopus Wnt-5a promoter which is nearly identical to one located in the human Wnt-5a promoter, and has the same position relative to the transcription start site. When placed in front of a LacZ gene, this element can reproduce the same expression pattern ob...

journal_title：Mechanisms of development

authors： Morgan R,Hooiveld MH,In der Reiden P,Durston AJ

更新日期：1999-07-01 00:00:00

abstract：:The spatial and temporal analysis of GATA-3 expression pattern in the human embryo revealed its expression in new anatomical sites. These include the endoderm of the primitive foregut, pharynx and allantois, the branchial arches and the mesenchymal cells surrounding the stomach and dorsal aorta. On the other hand, hum...

journal_title：Mechanisms of development

authors： Debacker C,Catala M,Labastie MC

更新日期：1999-07-01 00:00:00

abstract：:An enhancer sequence found in the Protease Nexin-1 (PN-1) gene was shown to drive lacZ expression specifically at the met-/mesencephalic junction in transgenic mouse embryos. A functional study of this enhancer has been performed to better understand the mechanisms regulating isthmic gene expression. An octamer-bindin...

journal_title：Mechanisms of development

authors： Mihailescu D,Küry P,Monard D

更新日期：1999-06-01 00:00:00

abstract：:The leucine zipper transcription factor TSC-22 (TGF-beta1 Stimulated Clone-22) was first isolated from a mouse osteoblast cell line as an immediate-early target gene of TGF-beta1. However, work with other cell lines, as well as with a Drosophila homolog, bunched, suggests that it is an effector gene of various growth ...

journal_title：Mechanisms of development

authors： Dohrmann CE,Belaoussoff M,Raftery LA

更新日期：1999-06-01 00:00:00

abstract：:The gene tprd, which contains three tetratricopeptide domains, has been recently localized in the Down syndrome (DS) chromosomal region 1. We have cloned a cDNA encoding part of the murine ortholog of tprd and used it to characterize the expression pattern of this gene during development and at the adult stage. At E8....

journal_title：Mechanisms of development

authors： Lopes C,Rachidi M,Gassanova S,Sinet PM,Delabar JM

更新日期：1999-06-01 00:00:00

abstract：:Regulatory genes directing embryonic development are expressed in complex patterns. The Drosophila homeobox gene fushi tarazu (ftz) is expressed in a striped pattern that is controlled by several discrete and large cis- regulatory elements. One key cis-element is the ftz proximal enhancer which is required for stripe ...

journal_title：Mechanisms of development

authors： Yu Y,Yussa M,Song J,Hirsch J,Pick L

更新日期：1999-05-01 00:00:00

abstract：:Germ-line mutations of LKB1 and PTEN tumor suppressor genes underlie the phenotypically related Peutz-Jeghers syndrome (PJS) and Cowden disease (CD), respectively. To analyze possible developmental roles of PTEN and LKB1, we have studied their mRNA expression during mouse embryonic development (E7-17.5) by in situ hyb...

journal_title：Mechanisms of development

authors： Luukko K,Ylikorkala A,Tiainen M,Mäkelä TP

更新日期：1999-05-01 00:00:00

abstract：:The Suppressor of forked (Su(f)) protein of Drosophila melanogaster is a homologue of the 77K subunit of human cleavage stimulation factor required for cleavage of pre-mRNAs before addition of poly(A). We have previously shown that the Su(f) protein is not ubiquitously distributed: it accumulates in dividing cells at ...

journal_title：Mechanisms of development

authors： Audibert A,Simonelig M

更新日期：1999-04-01 00:00:00