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Topic: Drosophila embryogenesis

Related Topics

Developmental genetics

Embryogenesis

Drosophila melanogaster

Drosophila

Cell membrane

Maternal effect

Model organism

Monophyly

Arabidopsis

List of biological topics

Caenorhabditis elegans

Galt, Iowa

Mutagenesis

Embryo

Arabidopsis thaliana

	AlifeVI:"Simulation of Drosophila Embryogenesis"
		Drosophila is one of the most well investigated animal in molecular and developmental biology.
		However, the process of the embryogenesis is still complex phenomena in biological studies.
		As the result of the simulation, we found that some phenomena taking place in Drosophila's early embryogenesis are understandable.
	www.cs.ucsd.edu /~rik/alife6/papers/SI74.html (146 words)

	C. Nüsslein-Volhard and Drosophila embryogenesis
		Second, Drosophila geneticists claimed that there was no difference between the gene action early in development and later in development.
		Donald F. Poulson was an important Drosophila embryologist in the 1930s and 1940s, but he had a difficult time attracting graduate students into his laboratory.
		Garen, A. and Gehring, W. Repair of the lethal developmental defect in deep orange embryos of Drosophila by injection of normal egg cytoplasm.
	zygote.swarthmore.edu /droso1.html (1609 words)

	Drosophila melanogaster - Biocrawler definition:Drosophila melanogaster - Biocrawler (Site not responding. Last check: 2007-10-22)
		Drosophila melanogaster (Black-bellied Dew-lover) a dipteran (two-winged) insect, is the species of fruit fly that is commonly used in genetic experiments; it is among the most important model organisms.
		Drosophila melanogaster is one of the most studied organisms in biological research, particularly genetics and developmental biology.
		Embryogenesis in Drosophila has been extensively studied, the small size, short generation time, and large brood size makes it ideal for genetic studies.
	www.biocrawler.com /biowiki/Drosophila_melanogaster (1913 words)

	MPI Abt. 170 (Site not responding. Last check: 2007-10-22)
		The Drosophila homologue of the mammary oncogene int-1 is identical to the segment polarity gene wingless.
		Gene expression mediated by cis-acting sequences of the Krüppel gene in response to the Drosophila morphogens bicoid and hunchback.
		Xenopus Xsal-1, a vertebrate homolog of the region-specific homeotic gene spalt of Drosophila.
	www.mpibpc.gwdg.de /groups/jaeckle/publ1.html (5395 words)

	Drosophila embryogenesis -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-22)
		Drosophila has long been a favorite (Click link for more info and facts about model system) model system for (Click link for more info and facts about genetic) geneticists and (A process in which something passes by degrees to a different stage (especially a more advanced or mature stage)) developmental biologists studying embroygenesis.
		(Small fruit fly used by Thomas Hunt Morgan in studying basic mechanisms of inheritance) Drosophila melanogaster was introduced into the field of genetic experiments by (United States biologist who formulated the chromosome theory of heredity (1866-1945)) Thomas Hunt Morgan in 1909.
		During (Click link for more info and facts about embryogenesis) embryogenesis, the larva develops and then hatches from the egg.
	www.absoluteastronomy.com /encyclopedia/d/dr/drosophila_embryogenesis.htm (481 words)

	The KetelD Dominant-Negative Mutations Identify Maternal Function of the Drosophila Importin-{beta} Gene Required for ...
		of the commencement of embryogenesis in the Ketel
		, 2000 The Ketel gene encodes the Drosophila homologue of Importin-ß.
		The Ketel Gene Encodes a Drosophila Homologue of Importin-{beta}
	www.genetics.org /cgi/content/full/156/4/1901 (4911 words)

	Developmental Biology 8e Online: Christiane Nüsslein-Volhard and Drosophila Embryogenesis
		According to Evelyn Fox Keller (1996), there were conceptual and cultural reasons for the delay, and there were also conceptual and cultural reasons for why the undertaking was eventually done by a German woman with a background in biochemistry.
		Similarly, geneticists interested in multicellular animals stuck very closely to Drosophila where the genetics had been well studied and the techniques for breeding the animals were well characterized.
		Second, Drosophila geneticists claimed that there was no difference between the gene action early in development and later in development.
	7e.devbio.com /article.php?ch=9&id=94 (1754 words)

	Act5C - Actin-5C (Site not responding. Last check: 2007-10-22)
		We have isolated a gene in the medfly using the cloned Drosophila melanogaster 5C actin gene as a probe.
		The six Drosophila actin genes encode several different proteins, but the amino acid sequence of each is similar to that of vertebrate cytoplasmic actins.
		The entire set of six closely related Drosophila actin genes was isolated using recombinant DNA methodology, and the structures of the respective coding regions were characterized by gene mapping techniques and by nucleotide sequencing of selected portions.
	www.ihop-net.org /UniPub/iHOP/gi/57978.html (906 words)

	Pattern Formation
		Thus we will start this section with an overview of Drosophila embryogenesis and pattern formation and then move to a discussion of the similar, but less well studied, processes in plants and humans.
		In Drosophila there are two types of somatic support cells, nurse cells and follicle cells.
		Pattern formation in plants is less well studied than in Drosophila, but the truly surprising discovery that has emerged is that, despite the very different body organization of a fruit fly vs. a plant, the embryonic body plan is organized on the same principals.
	biotype.biology.dal.ca /biol3050/part4.html (2046 words)

	The role of RBF in the introduction of G1 regulation during Drosophila embryogenesis -- Du and Dyson 18 (4): 916 -- The ... (Site not responding. Last check: 2007-10-22)
		in Drosophila embryos (D.Huen, W.Du, Y.Chen, and N.Dyson, unpublished
		Duronio, R.J., Bonnette, P.C. and O'Farrell, P.H. Mutations of the Drosophila dDP, dE2F, and cyclin E genes reveal distinct roles for the E2F-DP transcription factor and cyclin E during the S-phase transition.
		Sigrist, S.J., Jacobs, H., Stratmann, R. and Lehner, C.F. Exit from mitosis is regulated by Drosophila fizzy and the sequential destruction of cyclins A, B and B3.
	embojournal.npgjournals.com /cgi/content/full/18/4/916 (6857 words)

	The Warrior Lab - Publications
		Cunniff, J., Chiu, Ya-Hui, Morris, N. and Warrior, R. (1997) Characterization of DnudC, the Drosophila homolog of an Aspergillus gene that functions in nuclear motility.
		Warrior, R. (1994) Primordial germ cell migration and the assembly of the Drosophila embryonic gonad.
		Hoey, T., Warrior, R., Manak, J., and Levine, M. (1988) The DNA binding activities of the Drosophila even-skipped protein are mediated by its homeo domain and influenced by protein context.
	warriorlab.bio.uci.edu /publications (684 words)

	Developmental biology
		The related field of evolutionary developmental biology was formed largely in the 1990s and is a synthesis of findings from molecular developmental biology and evolutionary biology which considers the diversity of organismal form in an evolutionary context.
		Often used model organisms for developmental biology are the round worm Caenorhabditis elegans, the fruit fly Drosophila melanogaster, the zebrafish Brachydanio rerio, the mouse Mus musculus, and the weed Arabidopsis thaliana.
		allantois, amnion, blastocyst, blastomere, blastula, blastulation, chorion, chrysalis, cleavage, ectoderm, embryo, embryogenesis, embryogeny, embryology, endoderm, evocation, extra-embryonic membrane, fetus (or foetus), gastrula, gastrulation, germ layer, germ plasm, germ, germination, induction, juvenile, larva, maternal effect, mesoderm, metamorphosis, morphogenesis, morula, neoteny, neural development, nymph, ontogeny, oosperm, ovism, paedogenesis, pangenesis, phylogeny, primordium, pupa, rudiment, teratology, zygote
	www.brainyencyclopedia.com /encyclopedia/d/de/developmental_biology.html (393 words)

	Drosophila genes
		Drosophila development is characterized by the existence of four types of cycles of DNA replication, each appearing successively after fertilization.
		The expression of Drosophila E2F in later stage embryos occurs in a segmentally restricted group of neural cells, whereas it is widely expressed in early embryos (Hao, 1995).
		Although all the extant results on Drosophila cells strongly suggest an interdependence of the central spindle and the contractile ring, it is currently unclear whether this is true in all animal cells.
	www.sdbonline.org /fly/aignfam/cellcycl.htm (4776 words)

	Sullivan Lab: Selected Publications
		Reassessing the role and dynamics of nonmuscle myosin II during furrow formation in early Drosophila embryos.
		Cortical recruitment of nonmuscle myosin II in early syncytial Drosophila embryos: its role in nuclear axial expansion and its regulation by Cdc2 activity.
		Merlin, the Drosophila homologue of neurofibromin 2, is specifically required in posterior follicle cells for axis formation in the oocyte.
	bio.research.ucsc.edu /people/sullivan/publications.html (947 words)

	Characterization of a Novel Drosophila melanogaster Galectin. EXPRESSION IN DEVELOPING IMMUNE, NEURAL, AND MUSCLE ...
		be vital in embryogenesis and to function in innate immunity (1-5).
		G, at the end of embryogenesis (stage 16, ventral view), Dmgal expression remains in the somatic musculature (arrowhead) and becomes strongly expressed in the central nervous system (arrow).
		As embryogenesis continued, Dmgal expression was concentrated in the somatic and visceral musculature and in the central nervous
	www.jbc.org /cgi/content/full/277/15/13091 (4980 words)

	Function and structure of Drosophila glycans -- Seppo and Tiemeyer 10 (8): 751 -- Glycobiology
		Dennis,R.D., Martini,R. and Schachner,M. (1991) Expression of carbohydrate epitopes L2/HNK-1 and L3 in the larva and imago of Drosophila melanogaster and Calliphora vicina.
		Desai,C.J., Popova,E. and Zinn,K. Drosophila receptor tyrosine phosphatase expressed in the embryonic CNS and larval optic lobes is a member of the set of proteins bearing the "HRP" carbohydrate epitope.
		Seppo,A., Moreland,M., Schweingruber,H. and Tiemeyer,M. (2000) Zwitterionic and acidic glycosphingolipids of the Drosophila melanogaster embryo.
	glycob.oxfordjournals.org /cgi/content/full/10/8/751 (5929 words)

	Nikon MicroscopyU: Featured Microscopist - Stephen Paddock
		Embryogenesis in Drosophila as visualized by laser scanning confocal microscopy is the subject of this Java video sequence.
		Although the general population may not appreciate the fruit fly, this insect is a favorite for scientific research, and has made enormous contributions in the field of genetics.
		Initially, Drosophila were utilized almost exclusively as specimens in genetic research, but more recently, the fruit fly has been used in the study of developmental biology, with particular emphasis on the embryonic phase.
	www.microscopyu.com /featuredmicroscopist/paddock/sequence3 (228 words)

	Interactive Fly, Drosophila
		The closure event occurs late in embryogenesis, and results in the establishment of the dorsal epidermis.
		The Drosophila JNK is coded for by basket, also implicated as a mediator of the fly's immune response (Sluss, 1996 and Riesgo-Escovar, 1996).
		Further, Drosophila homologs of another stress-activated MAPK pathway, the p38 pathway, have been identified recently in flies that may also play a role in pupal development, a question that can now be addressed using the Drosophila p38 MAPKK licorne mutants (Agnès, 1999 and references therein).
	www.sdbonline.org /fly/newgene/hemipter.htm (3909 words)

	Segmentation in Drosophila: The maternal legacy
		The genetic, molecular, and embryological analyses of embryonic segmentation in Drosophila have led to a detailed description of how maternally deposited spatial determinants coordinate zygotic gene expression during embryogensis.
		During the first three hours of Drosophila development, the fertilized egg undergoes several rounds of nuclear division in the absence of cell division.
		At the time of cellularization there is no morphological evidence for segmentation or differentiation but cells at that stage are determined with respect to the segment they will form in the adult and in the larval fly.
	www.ucalgary.ca /UofC/eduweb/virtualembryo/D_m_segment_I.html (2496 words)

	Lin publications (cont.)
		Lin, H. and Spradling, A. (1997) A novel group of pumilio mutations affects the asymmetric division of germline stem cells in the Drosophila ovary.
		Forbes, A., Lin, H., Ingham, P., and Spradling, A. hedgehog is required for the proliferation and specification of somatic cells during egg chamber assembly in Drosophila oogenesis.
		Lopez, J. M., Song, K., Hirshfeld, A. B., Lin, H., and Wolfner, M. (1994) The fs(1)Ya protein of Drosophila is a component of the lamina of cleavage nuclei, pronuclei and polar bodies in early embryos.
	note.cellbio.duke.edu /faculty/Lin/Publications.html (589 words)

	Specific muscle identities are regulated by Kruppel during Drosophila embryogenesis -- Ruiz-Gomez et al. 124 (17): 3407 ...
		During Drosophila embryogenesis, mesodermal cells are recruited to form a
		The Drosophila homeobox genes zfh-1 and even-skipped are required for cardiac-specific differentiation of a numb-dependent lineage decision
		Signalling by the Drosophila epidermal growth factor receptor is required for the specification and diversification of embryonic muscle progenitors
	dev.biologists.org /cgi/content/abstract/124/17/3407 (811 words)

	Drosophila Development (Site not responding. Last check: 2007-10-22)
		The Drosophila life cycle consists of a number of stages: embryogenesis, three larval stages, a pupal stage, and (finally) the adult stage!
		Much of what we understand about Drosophila development is based on the isolation and characterization of developmental mutants by three scientists, Ed Lewis, Christiane Nusslein-Volhard, and Eric Wieschaus, who were awarded the Nobel prize for their work in 1995.
		Lewis did pioneering research on late embryogenesis, while Nusslein-Volhard and Wieschaus concentrated their efforts on understanding early embryogenesis.
	www2.kenyon.edu /Depts/BioEllipse/courses/biol114/Chap13/Chapter_13A.html (686 words)

	Developmental Biology Online: Christiane Nüsslein-Volhard and Drosophila Embryogenesis (Site not responding. Last check: 2007-10-22)
		According to Evelyn Fox Keller (1996), there were conceptual and cultural reasons for the delay, and there were also conceptual and cultural reasons for why the undertaking was eventually done by a German woman with a background in biochemistry.
		Poulson had even suggested a critically important experiment—injecting the cytoplasm from a wild-type oocyte into the egg of a maternal mutant and seeing if it would cure the defect—but he never did it.
		Moreover, she decided that the most interesting place was that "no man's land"—the Drosophila embryo.
	www.devbio.com /article.php?ch=9&id=94 (1730 words)

	Developmental biology (Site not responding. Last check: 2007-10-22)
		Often used model organisms for developmental biology are the roundworm Caenorhabditis elegans, the fruit fly Drosophila melanogaster, the zebrafish Brachydanio rerio, the mouse Mus musculus, and the weed Arabidopsisthaliana.
		The findings of developmental biology can help to understand (or some day, cure) developmental malfunctions such as chromosomal aberration, for example, down syndrome.
		allantois, amnion, blastocyst, blastomere, blastula, blastulation, chorion, chrysalis, cleavage, ectoderm, embryo, embryogenesis, embryogeny, embryology, endoderm, evocation, extra-embryonic membrane, fetus (or foetus), gastrula, gastrulation, germlayer, germ plasm, germ, germination, induction, juvenile, larva, maternal effect, mesoderm, metamorphosis, morphogenesis, morula, neoteny, neural development, nymph, ontogeny, oosperm, ovism, paedogenesis, pangenesis, phylogeny, primordium, pupa, rudiment, teratology, zygote
	www.therfcc.org /developmental-biology-3067.html (338 words)

	Defective dorsal closure and loss of epidermal decapentaplegic expression in Drosophila fos mutants -- Zeitlinger et ... (Site not responding. Last check: 2007-10-22)
		Drosophila kayak mutant embryos exhibit defects in dorsal closure, a morphogenetic cell sheet movement during embryogenesis.
		Fehon, R.G., Dawson, I.A. and Atravanis, T.S. Drosophila homologue of membrane-skeleton protein 4.1 is associated with septate junctions and is encoded by the Coracle gene.
		Thorax closure in Drosophila: involvement of Fos and the JNK pathway
	embojournal.npgjournals.com /cgi/content/full/16/24/7393 (5470 words)

	DRhoGEF2 regulates actin organization and contractility in the Drosophila blastoderm embryo -- Padash Barmchi et al. ...
		embryogenesis and was enriched at the apical end of cells.
		Cellularization in Drosophila melanogaster is disrupted by the inhibition of rho activity and the activation of Cdc42 function.
		Drosophila myosin phosphatase and its role in dorsal closure.
	www.jcb.org /cgi/content/full/168/4/575 (6473 words)

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