Drosophila
Drosophila Proteins
Drosophila melanogaster
Animals, Genetically Modified
Larva
Embryo, Nonmammalian
Gene Expression Regulation, Developmental
Molecular Sequence Data
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
Mutation
Photoreceptor Cells, Invertebrate
Insect Hormones
Amino Acid Sequence
Transcription Factors
Base Sequence
Eye
Phenotype
Body Patterning
The processes occurring in early development that direct morphogenesis. They specify the body plan ensuring that cells will proceed to differentiate, grow, and diversify in size and shape at the correct relative positions. Included are axial patterning, segmentation, compartment specification, limb position, organ boundary patterning, blood vessel patterning, etc.
Oogenesis
Sequence Homology, Amino Acid
Genes, Lethal
Genes whose loss of function or gain of function MUTATION leads to the death of the carrier prior to maturity. They may be essential genes (GENES, ESSENTIAL) required for viability, or genes which cause a block of function of an essential gene at a time when the essential gene function is required for viability.
Crosses, Genetic
Morphogenesis
Wnt1 Protein
DNA-Binding Proteins
Homeodomain Proteins
Signal Transduction
The intracellular transfer of information (biological activation/inhibition) through a signal pathway. In each signal transduction system, an activation/inhibition signal from a biologically active molecule (hormone, neurotransmitter) is mediated via the coupling of a receptor/enzyme to a second messenger system or to an ion channel. Signal transduction plays an important role in activating cellular functions, cell differentiation, and cell proliferation. Examples of signal transduction systems are the GAMMA-AMINOBUTYRIC ACID-postsynaptic receptor-calcium ion channel system, the receptor-mediated T-cell activation pathway, and the receptor-mediated activation of phospholipases. Those coupled to membrane depolarization or intracellular release of calcium include the receptor-mediated activation of cytotoxic functions in granulocytes and the synaptic potentiation of protein kinase activation. Some signal transduction pathways may be part of larger signal transduction pathways; for example, protein kinase activation is part of the platelet activation signal pathway.
Cloning, Molecular
Mushroom Bodies
Nuclear Proteins
Blastoderm
Chromosomes
Chromosome Mapping
Metamorphosis, Biological
In Situ Hybridization
Receptors, Notch
A family of conserved cell surface receptors that contain EPIDERMAL GROWTH FACTOR repeats in their extracellular domain and ANKYRIN repeats in their cytoplasmic domains. The cytoplasmic domain of notch receptors is released upon ligand binding and translocates to the CELL NUCLEUS where it acts as transcription factor.
Nervous System
Genes, Homeobox
Genes that encode highly conserved TRANSCRIPTION FACTORS that control positional identity of cells (BODY PATTERNING) and MORPHOGENESIS throughout development. Their sequences contain a 180 nucleotide sequence designated the homeobox, so called because mutations of these genes often results in homeotic transformations, in which one body structure replaces another. The proteins encoded by homeobox genes are called HOMEODOMAIN PROTEINS.
DNA Transposable Elements
Discrete segments of DNA which can excise and reintegrate to another site in the genome. Most are inactive, i.e., have not been found to exist outside the integrated state. DNA transposable elements include bacterial IS (insertion sequence) elements, Tn elements, the maize controlling elements Ac and Ds, Drosophila P, gypsy, and pogo elements, the human Tigger elements and the Tc and mariner elements which are found throughout the animal kingdom.
X Chromosome
RNA Interference
A gene silencing phenomenon whereby specific dsRNAs (RNA, DOUBLE-STRANDED) trigger the degradation of homologous mRNA (RNA, MESSENGER). The specific dsRNAs are processed into SMALL INTERFERING RNA (siRNA) which serves as a guide for cleavage of the homologous mRNA in the RNA-INDUCED SILENCING COMPLEX. DNA METHYLATION may also be triggered during this process.
Evolution, Molecular
Alleles
Transcription, Genetic
Repressor Proteins
Sequence Alignment
The arrangement of two or more amino acid or base sequences from an organism or organisms in such a way as to align areas of the sequences sharing common properties. The degree of relatedness or homology between the sequences is predicted computationally or statistically based on weights assigned to the elements aligned between the sequences. This in turn can serve as a potential indicator of the genetic relatedness between the organisms.
Species Specificity
The restriction of a characteristic behavior, anatomical structure or physical system, such as immune response; metabolic response, or gene or gene variant to the members of one species. It refers to that property which differentiates one species from another but it is also used for phylogenetic levels higher or lower than the species.
DNA
A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine).
Membrane Proteins
Conserved Sequence
Armadillo Domain Proteins
A family of proteins that contain several 42-amino acid repeat domains and are homologous to the Drosophila armadillo protein. They bind to other proteins through their armadillo domains and play a variety of roles in the CELL including SIGNAL TRANSDUCTION, regulation of DESMOSOME assembly, and CELL ADHESION.
Optic Lobe, Nonmammalian
Models, Genetic
Central Nervous System
Malpighian Tubules
Salivary Glands
RNA, Messenger
RNA sequences that serve as templates for protein synthesis. Bacterial mRNAs are generally primary transcripts in that they do not require post-transcriptional processing. Eukaryotic mRNA is synthesized in the nucleus and must be exported to the cytoplasm for translation. Most eukaryotic mRNAs have a sequence of polyadenylic acid at the 3' end, referred to as the poly(A) tail. The function of this tail is not known for certain, but it may play a role in the export of mature mRNA from the nucleus as well as in helping stabilize some mRNA molecules by retarding their degradation in the cytoplasm.
Imaginal Discs
Compound Eye, Arthropod
Models, Biological
Ecdysterone
DNA, Complementary
Heterochromatin
Biological Evolution
Fertility
Gene Expression
Cell Polarity
Neurons
Neuropeptides
Ovary
The reproductive organ (GONADS) in female animals. In vertebrates, the ovary contains two functional parts: the OVARIAN FOLLICLE for the production of female germ cells (OOGENESIS); and the endocrine cells (GRANULOSA CELLS; THECA CELLS; and LUTEAL CELLS) for the production of ESTROGENS and PROGESTERONE.
Juvenile Hormones
Sequence Homology, Nucleic Acid
Protein Binding
Protein Structure, Tertiary
The level of protein structure in which combinations of secondary protein structures (alpha helices, beta sheets, loop regions, and motifs) pack together to form folded shapes called domains. Disulfide bridges between cysteines in two different parts of the polypeptide chain along with other interactions between the chains play a role in the formation and stabilization of tertiary structure. Small proteins usually consist of only one domain but larger proteins may contain a number of domains connected by segments of polypeptide chain which lack regular secondary structure.
Enhancer Elements, Genetic
Recombinant Fusion Proteins
Multigene Family
A set of genes descended by duplication and variation from some ancestral gene. Such genes may be clustered together on the same chromosome or dispersed on different chromosomes. Examples of multigene families include those that encode the hemoglobins, immunoglobulins, histocompatibility antigens, actins, tubulins, keratins, collagens, heat shock proteins, salivary glue proteins, chorion proteins, cuticle proteins, yolk proteins, and phaseolins, as well as histones, ribosomal RNA, and transfer RNA genes. The latter three are examples of reiterated genes, where hundreds of identical genes are present in a tandem array. (King & Stanfield, A Dictionary of Genetics, 4th ed)
Retroelements
Elements that are transcribed into RNA, reverse-transcribed into DNA and then inserted into a new site in the genome. Long terminal repeats (LTRs) similar to those from retroviruses are contained in retrotransposons and retrovirus-like elements. Retroposons, such as LONG INTERSPERSED NUCLEOTIDE ELEMENTS and SHORT INTERSPERSED NUCLEOTIDE ELEMENTS do not contain LTRs.
Mutagenesis
Mitosis
DNA Primers
Selection, Genetic
Mosaicism
Antennapedia Homeodomain Protein
Green Fluorescent Proteins
Thorax
Dosage Compensation, Genetic
Genetic mechanisms that allow GENES to be expressed at a similar level irrespective of their GENE DOSAGE. This term is usually used in discussing genes that lie on the SEX CHROMOSOMES. Because the sex chromosomes are only partially homologous, there is a different copy number, i.e., dosage, of these genes in males vs. females. In DROSOPHILA, dosage compensation is accomplished by hypertranscription of genes located on the X CHROMOSOME. In mammals, dosage compensation of X chromosome genes is accomplished by random X CHROMOSOME INACTIVATION of one of the two X chromosomes in the female.
Cell Nucleus
Within a eukaryotic cell, a membrane-limited body which contains chromosomes and one or more nucleoli (CELL NUCLEOLUS). The nuclear membrane consists of a double unit-type membrane which is perforated by a number of pores; the outermost membrane is continuous with the ENDOPLASMIC RETICULUM. A cell may contain more than one nucleus. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed)
Basic Helix-Loop-Helix Transcription Factors
Binding Sites
Genetic Complementation Test
Restriction Mapping
Immunohistochemistry
Frizzled Receptors
A family of seven-pass transmembrane cell-surface proteins that combines with LOW DENSITY LIPROTEIN RECEPTOR-RELATED PROTEIN-5 or LOW DENSITY LIPROTEIN RECEPTOR-RELATED PROTEIN-5 to form receptors for WNT PROTEINS. Frizzled receptors often couple with HETEROTRIMERIC G PROTEINS and regulate the WNT SIGNALING PATHWAY.
Trans-Activators
Sequence Analysis, DNA
Genome
Cell Differentiation
Hedgehog Proteins
Chromosome Inversion
Period Circadian Proteins
Polytene Chromosomes
Y Chromosome
Promoter Regions, Genetic
Head
Zinc Fingers
Motifs in DNA- and RNA-binding proteins whose amino acids are folded into a single structural unit around a zinc atom. In the classic zinc finger, one zinc atom is bound to two cysteines and two histidines. In between the cysteines and histidines are 12 residues which form a DNA binding fingertip. By variations in the composition of the sequences in the fingertip and the number and spacing of tandem repeats of the motif, zinc fingers can form a large number of different sequence specific binding sites.
Polycomb Repressive Complex 1
Sex Chromosomes
The homologous chromosomes that are dissimilar in the heterogametic sex. There are the X CHROMOSOME, the Y CHROMOSOME, and the W, Z chromosomes (in animals in which the female is the heterogametic sex (the silkworm moth Bombyx mori, for example)). In such cases the W chromosome is the female-determining and the male is ZZ. (From King & Stansfield, A Dictionary of Genetics, 4th ed)
Meiosis
Epistasis, Genetic
A form of gene interaction whereby the expression of one gene interferes with or masks the expression of a different gene or genes. Genes whose expression interferes with or masks the effects of other genes are said to be epistatic to the effected genes. Genes whose expression is affected (blocked or masked) are hypostatic to the interfering genes.
Oocytes
Embryonic Structures
Alcohol Dehydrogenase
Chromosomal Proteins, Non-Histone
Circadian Rhythm
Fushi Tarazu Transcription Factors
RNA
A polynucleotide consisting essentially of chains with a repeating backbone of phosphate and ribose units to which nitrogenous bases are attached. RNA is unique among biological macromolecules in that it can encode genetic information, serve as an abundant structural component of cells, and also possesses catalytic activity. (Rieger et al., Glossary of Genetics: Classical and Molecular, 5th ed)
Recombination, Genetic
Introns
Neuropil
Janus Kinases
A family of intracellular tyrosine kinases that participate in the signaling cascade of cytokines by associating with specific CYTOKINE RECEPTORS. They act upon STAT TRANSCRIPTION FACTORS in signaling pathway referred to as the JAK/STAT pathway. The name Janus kinase refers to the fact the proteins have two phosphate-transferring domains.
Carrier Proteins
Euchromatin
Chromatin
Ethyl Methanesulfonate
Genes, Reporter
Proteins
Linear POLYPEPTIDES that are synthesized on RIBOSOMES and may be further modified, crosslinked, cleaved, or assembled into complex proteins with several subunits. The specific sequence of AMINO ACIDS determines the shape the polypeptide will take, during PROTEIN FOLDING, and the function of the protein.
Protein-Serine-Threonine Kinases
Cell Lineage
Microtubules
STAT Transcription Factors
A family of transcription factors containing SH2 DOMAINS that are involved in CYTOKINE-mediated SIGNAL TRANSDUCTION. STAT transcription factors are recruited to the cytoplasmic region of CELL SURFACE RECEPTORS and are activated via PHOSPHORYLATION. Once activated they dimerize and translocate into the CELL NUCLEUS where they influence GENE expression. They play a role in regulating CELL GROWTH PROCESSES and CELL DIFFERENTIATION. STAT transcription factors are inhibited by SUPPRESSOR OF CYTOKINE SIGNALING PROTEINS and PROTEIN INHIBITORS OF ACTIVATED STAT.
Transformation, Genetic
Mutagenesis, Insertional
Mutagenesis where the mutation is caused by the introduction of foreign DNA sequences into a gene or extragenic sequence. This may occur spontaneously in vivo or be experimentally induced in vivo or in vitro. Proviral DNA insertions into or adjacent to a cellular proto-oncogene can interrupt GENETIC TRANSLATION of the coding sequences or interfere with recognition of regulatory elements and cause unregulated expression of the proto-oncogene resulting in tumor formation.
RNA-Induced Silencing Complex
A multicomponent, ribonucleoprotein complex comprised of one of the family of ARGONAUTE PROTEINS and the "guide strand" of the one of the 20- to 30-nucleotide small RNAs. RISC cleaves specific RNAs, which are targeted for degradation by homology to these small RNAs. Functions in regulating gene expression are determined by the specific argonaute protein and small RNA including siRNA (RNA, SMALL INTERFERING), miRNA (MICRORNA), or piRNA (PIWI-INTERACTING RNA).
Receptors, Cell Surface
Cell surface proteins that bind signalling molecules external to the cell with high affinity and convert this extracellular event into one or more intracellular signals that alter the behavior of the target cell (From Alberts, Molecular Biology of the Cell, 2nd ed, pp693-5). Cell surface receptors, unlike enzymes, do not chemically alter their ligands.
Vertebrates
Microscopy, Fluorescence
Peripheral Nervous System
The nervous system outside of the brain and spinal cord. The peripheral nervous system has autonomic and somatic divisions. The autonomic nervous system includes the enteric, parasympathetic, and sympathetic subdivisions. The somatic nervous system includes the cranial and spinal nerves and their ganglia and the peripheral sensory receptors.
Tribolium
Olfactory Pathways
Cell Cycle Proteins
Proteins that control the CELL DIVISION CYCLE. This family of proteins includes a wide variety of classes, including CYCLIN-DEPENDENT KINASES, mitogen-activated kinases, CYCLINS, and PHOSPHOPROTEIN PHOSPHATASES as well as their putative substrates such as chromatin-associated proteins, CYTOSKELETAL PROTEINS, and TRANSCRIPTION FACTORS.
Mesoderm
Alternative Splicing
A process whereby multiple RNA transcripts are generated from a single gene. Alternative splicing involves the splicing together of other possible sets of EXONS during the processing of some, but not all, transcripts of the gene. Thus a particular exon may be connected to any one of several alternative exons to form a mature RNA. The alternative forms of mature MESSENGER RNA produce PROTEIN ISOFORMS in which one part of the isoforms is common while the other parts are different.
Hybridization, Genetic
Brain
The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM.
Odors
Genes, Dominant
Animal Structures
Intracellular Signaling Peptides and Proteins
Proteins and peptides that are involved in SIGNAL TRANSDUCTION within the cell. Included here are peptides and proteins that regulate the activity of TRANSCRIPTION FACTORS and cellular processes in response to signals from CELL SURFACE RECEPTORS. Intracellular signaling peptide and proteins may be part of an enzymatic signaling cascade or act through binding to and modifying the action of other signaling factors.
Blotting, Northern
Suppression, Genetic
Mutation process that restores the wild-type PHENOTYPE in an organism possessing a mutationally altered GENOTYPE. The second "suppressor" mutation may be on a different gene, on the same gene but located at a distance from the site of the primary mutation, or in extrachromosomal genes (EXTRACHROMOSOMAL INHERITANCE).
Protein Isoforms
Stem Cells
Neuroglia
The non-neuronal cells of the nervous system. They not only provide physical support, but also respond to injury, regulate the ionic and chemical composition of the extracellular milieu, participate in the BLOOD-BRAIN BARRIER and BLOOD-RETINAL BARRIER, form the myelin insulation of nervous pathways, guide neuronal migration during development, and exchange metabolites with neurons. Neuroglia have high-affinity transmitter uptake systems, voltage-dependent and transmitter-gated ion channels, and can release transmitters, but their role in signaling (as in many other functions) is unclear.
Dopa Decarboxylase
Histones
Spermatogenesis
Ecdysteroids
Spermatocytes
Wolbachia
Nucleic Acid Hybridization
Widely used technique which exploits the ability of complementary sequences in single-stranded DNAs or RNAs to pair with each other to form a double helix. Hybridization can take place between two complimentary DNA sequences, between a single-stranded DNA and a complementary RNA, or between two RNA sequences. The technique is used to detect and isolate specific sequences, measure homology, or define other characteristics of one or both strands. (Kendrew, Encyclopedia of Molecular Biology, 1994, p503)
Cytoplasm
Temperature
Spindle Apparatus
Organ Specificity
Diptera
An order of the class Insecta. Wings, when present, number two and distinguish Diptera from other so-called flies, while the halteres, or reduced hindwings, separate Diptera from other insects with one pair of wings. The order includes the families Calliphoridae, Oestridae, Phoridae, SARCOPHAGIDAE, Scatophagidae, Sciaridae, SIMULIIDAE, Tabanidae, Therevidae, Trypetidae, CERATOPOGONIDAE; CHIRONOMIDAE; CULICIDAE; DROSOPHILIDAE; GLOSSINIDAE; MUSCIDAE; TEPHRITIDAE; and PSYCHODIDAE. The larval form of Diptera species are called maggots (see LARVA).
Microscopy, Confocal
Caenorhabditis elegans
Assaying potential carcinogens with Drosophila. (1/15687)
Drosophila offers many advantages for the detection of mutagenic activity of carcinogenic agents. It provides the quickest assay system for detecting mutations in animals today. Its generation time is short, and Drosophila is cheap and easy to breed in large numbers. The simple genetic testing methods give unequivocal answers about the whole spectrum of relevant genetic damage. A comparison of the detection capacity of assays sampling different kinds of genetic damage revealed that various substances are highly effective in inducing mutations but do not produce chromosome breakage effects at all, or only at much higher concentrations than those required for mutation induction. Of the different assay systems available, the classical sex-linked recessive lethal test deserves priority, in view of its superior capacity to detect mutagens. Of practical importance is also its high sensitivity, because a large number of loci in one fifth of the genome is tested for newly induced forward mutations, including small deletions. The recent findings that Drosophila is capable of carrying out the same metabolic activation reactions as the mammalian liver makes the organism eminently suitable for verifying results obtained in prescreening with fast microbial assay systems. An additional advantage in this respect is the capacity of Drosophila for detecting short-lived activation products, because intracellular metabolic activation appears to occur within the spermatids and spermatocytes. (+info)Enzymes and reproduction in natural populations of Drosophila euronotus. (2/15687)
Populations of Drosophila euronotus, one from southern Louisiana )3 samples), and one from Missouri (2 samples), were classified for allele frequencies at alkaline phosphatase (APH) and acid phosphatase (ACPH) loci. The two populations differed consistently in allele frequencies at both loci. The APH locus is on the inversion-free X chromosome; the chromosomal locus of the autosomal ACPH is unknown, and could involve inversion polymorphism. Wild females from Missouri and Louisiana populations heterozygous at the APH locus carried more sperm at capture than did the corresponding homozygotes. This heterotic association was significant for the combined samples, and whether it was the result of heterosis at the enzyme locus studied, or due to geographically widespread close linkage with other heterotic loci, it should help to maintain heterozygosity at the APH locus. In a Louisiana collection which included large numbers of sperm-free females, simultaneous homozygosity at both enzyme loci was significantly associated with lack of sperm. It is suggested that the latter association is the result of young heterozygous females achieving sexual maturity earlier than do the double homozygotes. The average effective sperm load for 225 wild females was only 29.4, suggesting the necessity for frequent repeat-mating in nature to maintain female fertility. A comparison of the sex-linked APH genotypes of wild females with those of their daughters indicated that among 295 wild-inseminated females from five populations, 35% had mated more than once, and of this 35%, six females had mated at least three times. Because of ascertainment difficulties, it is clear that the true frequency of multiple-mating in nature must have been much higher than the observed 35%. Laboratory studies indicate that multiple-mating in this species does not involve sperm displacement, possibly due to the small number of sperms transmitted per mating, and the fact that the sperm receptacles are only partially filled by a given mating. (+info)Lack of genic similarity between two sibling species of drosophila as revealed by varied techniques. (3/15687)
Acrylamide gel electrophoresis was performed on the enzyme xanthine dehydrogenase in sixty isochromosomal lines of Drosophila persimilis from three geographic populations. Sequential electrophoretic analysis using varied gel concentrations and buffers revealed twenty-three alleles in this species where only five had been described previously. These new electrophoretic techniques also detected a profound increase in divergence of gene frequencies at this locus between D. persimilis and its sibling species D. pseudoobscura. The implications of these results for questions of speciation and the maintenance of genetic variability are discussed. (+info)Genetic heterogeneity within electrophoretic "alleles" of xanthine dehydrogenase in Drosophila pseudoobscura. (4/15687)
An experimental plan for an exhaustive determination of genic variation at structural gene loci is presented. In the initial steps of this program, 146 isochromosomal lines from 12 geographic populations of D. pseudoobscura were examined for allelic variation of xanthine dehydrogenase by the serial use of 4 different electrophoretic conditions and a head stability test. The 5 criteria revealed a total of 37 allelic classes out of the 146 genomes examined where only 6 had been previously revealed by the usual method of gel electrophoresis. This immense increase in genic variation also showed previously unsuspected population differences between the main part of the species distribution and the isolated population of Bogota population. The average heterozygosity at the Xdh locus is at least 72% in natural populations. This result, together with the very large number of alleles segregating and the pattern of allelic frequencies, has implications for theories of genetic polymorphism which are discussed. (+info)Testing for selective neutrality of electrophoretically detectable protein polymorphisms. (5/15687)
The statistical assessment of gene-frequency data on protein polymorphisms in natural populations remains a contentious issue. Here we formulate a test of whether polymorphisms detected by electrophoresis are in accordance with the stepwise, or charge-state, model of mutation in finite populations in the absence of selection. First, estimates of the model parameters are derived by minimizing chi-square deviations of the observed frequencies of genotypes with alleles (0,1,2...) units apart from their theoretical expected values. Then the remaining deviation is tested under the null hypothesis of neutrality. The procedure was found to be conservative for false rejections in simulation data. We applied the test to Ayala and Tracey 's data on 27 allozymic loci in six populations of Drosophila willistoni . About one-quarter of polymorphic loci showed significant departure from the neutral theory predictions in virtually all populations. A further quarter showed significant departure in some populations. The remaining data showed an acceptable fit to the charge state model. A predominating mode of selection was selection against alleles associated with extreme electrophoretic mobilities. The advantageous properties and the difficulties of the procedure are discussed. (+info)Apontic binds the translational repressor Bruno and is implicated in regulation of oskar mRNA translation. (6/15687)
The product of the oskar gene directs posterior patterning in the Drosophila oocyte, where it must be deployed specifically at the posterior pole. Proper expression relies on the coordinated localization and translational control of the oskar mRNA. Translational repression prior to localization of the transcript is mediated, in part, by the Bruno protein, which binds to discrete sites in the 3' untranslated region of the oskar mRNA. To begin to understand how Bruno acts in translational repression, we performed a yeast two-hybrid screen to identify Bruno-interacting proteins. One interactor, described here, is the product of the apontic gene. Coimmunoprecipitation experiments lend biochemical support to the idea that Bruno and Apontic proteins physically interact in Drosophila. Genetic experiments using mutants defective in apontic and bruno reveal a functional interaction between these genes. Given this interaction, Apontic is likely to act together with Bruno in translational repression of oskar mRNA. Interestingly, Apontic, like Bruno, is an RNA-binding protein and specifically binds certain regions of the oskar mRNA 3' untranslated region. (+info)The Drosophila kismet gene is related to chromatin-remodeling factors and is required for both segmentation and segment identity. (7/15687)
The Drosophila kismet gene was identified in a screen for dominant suppressors of Polycomb, a repressor of homeotic genes. Here we show that kismet mutations suppress the Polycomb mutant phenotype by blocking the ectopic transcription of homeotic genes. Loss of zygotic kismet function causes homeotic transformations similar to those associated with loss-of-function mutations in the homeotic genes Sex combs reduced and Abdominal-B. kismet is also required for proper larval body segmentation. Loss of maternal kismet function causes segmentation defects similar to those caused by mutations in the pair-rule gene even-skipped. The kismet gene encodes several large nuclear proteins that are ubiquitously expressed along the anterior-posterior axis. The Kismet proteins contain a domain conserved in the trithorax group protein Brahma and related chromatin-remodeling factors, providing further evidence that alterations in chromatin structure are required to maintain the spatially restricted patterns of homeotic gene transcription. (+info)Transcriptional repression by the Drosophila giant protein: cis element positioning provides an alternative means of interpreting an effector gradient. (8/15687)
Early developmental patterning of the Drosophila embryo is driven by the activities of a diverse set of maternally and zygotically derived transcription factors, including repressors encoded by gap genes such as Kruppel, knirps, giant and the mesoderm-specific snail. The mechanism of repression by gap transcription factors is not well understood at a molecular level. Initial characterization of these transcription factors suggests that they act as short-range repressors, interfering with the activity of enhancer or promoter elements 50 to 100 bp away. To better understand the molecular mechanism of short-range repression, we have investigated the properties of the Giant gap protein. We tested the ability of endogenous Giant to repress when bound close to the transcriptional initiation site and found that Giant effectively represses a heterologous promoter when binding sites are located at -55 bp with respect to the start of transcription. Consistent with its role as a short-range repressor, as the binding sites are moved to more distal locations, repression is diminished. Rather than exhibiting a sharp 'step-function' drop-off in activity, however, repression is progressively restricted to areas of highest Giant concentration. Less than a two-fold difference in Giant protein concentration is sufficient to determine a change in transcriptional status of a target gene. This effect demonstrates that Giant protein gradients can be differentially interpreted by target promoters, depending on the exact location of the Giant binding sites within the gene. Thus, in addition to binding site affinity and number, cis element positioning within a promoter can affect the response of a gene to a repressor gradient. We also demonstrate that a chimeric Gal4-Giant protein lacking the basic/zipper domain can specifically repress reporter genes, suggesting that the Giant effector domain is an autonomous repression domain. (+info)
Analysis of phenotypes altered by temperature stress and hipermutability in Drosophila willistoni
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FlyBase:Drosophila Network Resources - FlyBase Wiki
SpottedWingFlyBase - The Spotted Wing Drosophila Project
Evolution of the LINE-like I element in the Drosophila melanogaster species subgroup<...
Laminin in the male germ cells of Drosophila. | JCB
Antibody For Drosophila Hemocytes - World of Odes
Domain combinations for 54236,47031,50729, gap superfamilies in Drosophila mojavensis 1.3
The Genome of Drosophila melanogaster
Chromosomal polymorphism in urban populations of Drosophila paulistorum
The initiation of pair-rule stripes in the Drosophila blastoderm<...
Characterization of K+ currents and the cAMP-dependent modulation in cultured Drosophila mushroom body neurons identified by...
Transcription Profiling of Cell Death in Drosophila Melanogaster
A putative Drosophila homolog of the Huntingtons disease gene
The M/SAR elements of the bithorax complex in Drosophila melanogaster<...
Vienna Drosophila Resource Center :: Forschungsinfrastruktur
Biochemical phylogeny of the eight species in the Drosophila melanogaster subgroup, including D. sechellia and D. orena. -...
Interactive Fly, Drosophila
Drosophila - Simple English Wikipedia, the free encyclopedia
Cloning, heterologous expression and developmental regulation of a Drosophila receptor for tachykinin-like peptides<...
Localization of transcripts from the wingless gene in whole Drosophila embryos<...
The neurogenic genes in Drosophila oogenesis
Nobel Laureate Jules Hoffmann kicks off Annual Drosophila Research Conference
Investigating the potential of neurodegenerative disease models in larval Drosophila melanogaster (PhD) | Doctoral Training...
View source for FlyBase:Drosophila Online Resources - FlyBase Wiki
Drosophila melanogaster: a fly through its history and current use | Royal College of Physicians of Edinburgh
Daughterless is required for Drosophila photoreceptor cell determination, eye morphogenesis, and cell cycle progression -...
Cloning and characterization of a calcium channel alpha 1 subunit from Drosophila melanogaster with similarity to the rat brain...
Thirty-one flavors of Drosophila rab proteins. • Neurobiologie • Fachbereich Biologie, Chemie, Pharmazie
Join As JRF For Genome Sequencing Project of Drosophila @ University of Mysore - BioTecNika
Signaling mechanisms in induction of the R7 photoreceptor in the developing Drosophila retina<...
Drosophila paratarsata - Wikipedia baso Minang
Drosophila huayla - Wikipedia baso Minang
Drosophila in cancer researchan expanding role<...
Drosophila
... willistoni Drosophila (Drosophila) mojavensis Drosophila (Drosophila) virilis Drosophila (Drosophila) grimshawi The data have ... Lifecycle of Drosophila The following section is based on the following Drosophila species: Drosophila simulans and Drosophila ... The following section is based on the following Drosophila species: Drosophila serrata, Drosophila pseudoobscura, Drosophila ... expression and protein data for Drosophila The Drosophila Virtual library is library of Drosophila on the web Drosophila ...
Drosophila simulans
... at the Washington University in St. Louis Genome Sequencing Center Drosophila simulans at FlyBase ... Drosophila C virus) while other strains cannot. Drosophila simulans has also played an important role in sequencing the genomes ... Drosophila simulans was found later to be closely related to two island endemics, D. sechellia and D. mauritiana. D. simulans ... Drosophila simulans is a species of fly closely related to D. melanogaster, belonging to the same melanogaster species subgroup ...
Drosophila busckii
... is a species of fruit fly that is native to North America, though it now also occurs in Asia, Europe, ... "Drosophila busckii". www.cabi.org. Retrieved 2022-06-01. Miller, M. E.; Marshall, S. A.; Grimaldi, D. A. "A Review of the ... Niswonger, H. R. (1911). "Two Species Of Diptera Of The Genus Drosophila" (PDF Adobe Acrobat). The Ohio Naturalist. Ohio. 11 (8 ... Drosophila, Diptera of North America, Insects described in 1901, All stub articles, Drosophilidae stubs). ...
Drosophila putrida
"Drosophila putrida Species Information". BugGuide.net. Retrieved 30 January 2018. "Drosophila putrida Report". Integrated ... Drosophila putrida is a species of fruit fly in the family Drosophilidae. It is found throughout the temperate central-eastern ... Like other members of the Drosophila testacea species group, D. putrida breeds exclusively on mushrooms. " ... Systematics and Modes of Reproductive Isolation in the Holarctic Drosophila testacea Species Group (Diptera: Drosophilidae). ...
Drosophila subobscura
Séguy, Drosophila subobscura, 1938, Mem. Mjs. Hist. nat. Paris (n.s.) 8:352. Séguy, Drosophila subobscura, 1939, Zool. Rec. 75 ... D. subobscura belongs to the subobscura subgroup, along with the closely related Drosophila guanche and Drosophila madeirensis ... Gordon, C (1936). "The frequency of heterozygous in free-living populations of Drosophila melanogaster and Drosophila ... of the Genus Drosophila". Buzzati-Traverso AA, Scossiroli RE. The "obscura group" of the genus Drosophila. Adv Genet. 1955;7:47 ...
Drosophila dissimilis
... is a species of fly in the subgenus Dudaica. Katoh, Takehiro K.; Zhang, Guang; Toda, Masanori J.; Suwito ... Awit; Gao, Jian-Jun (9 August 2018). "A revision of the subgenus Dudaica Strand of the genus Drosophila Fallén, with ... Drosophila, Insects described in 2018, All stub articles, Drosophilidae stubs). ...
Drosophila virilis
Wikispecies has information related to Drosophila virilis. Drosophila virilis at FlyBase Drosophila virilis at Ensembl Genomes ... Drosophila 12 Genomes Consortium; et al. (2007). "Evolution of genes and genomes on the Drosophila phylogeny". Nature. 450 ( ... which include the species Drosophila montana and Drosophila virilis, respectively. Divergence of these phylads preceded the ... Drosophila virilis is a species of fruit fly with a worldwide distribution (probably due to human movements), and was one of 12 ...
Drosophila heteroneura
... is a member of the planitiba subgroup of the picture-wing clade of Hawaiian Drosophila. This species is ... "Natural Hybridization between the Sympatric Hawaiian Species Drosophila silvestris and Drosophila heteroneura". Evolution; ... Drosophila heteroneura is an endangered species of Hawaiian fly in the family Drosophilidae. This rare fly is part of the ... Carson HL, Clayton FE, Stalker HD (May 1967). "Karyotypic stability and speciation in Hawaiian Drosophila". Proceedings of the ...
Drosophila serrata
... is a species of fruit fly in the genus Drosophila, described by Malloch in 1927. It is endemic to Australia ...
Drosophila montgomeryi
... was listed as federally endangered in 2006 along with ten other species of picture-wing Drosophila. One ... Drosophila montgomeryi is an endangered species of fly from the lineage of Hawaiian Drosophilidae. It is found on the island of ... Drosophila montgomeryi was described in 1971 by D. Elmo Hardy and Kenneth Kaneshiro from specimens collected from the Waianae ... Hardy, D. E.; Kaneshiro, K. Y. (1971). "New picture-winged Drosophila from Hawaii. II. (Drosophilidae, Diptera)". Studies in ...
Drosophila cathara
... is a species of fly in the genus Drosophila. It is found in Cameroon and the Republic of the Congo. Tsacas, ... et nouveau complexe afrotropical apparenté au complexe acrostigma [Diptera, Drosophilidae]" [Drosophila str. s. acelidota sp. n ... L. (2004). "Drosophila s. str. acelidota n. sp. ...
Drosophila phalerata
... is a species of mushroom-feeding fruit fly in the Drosophila quinaria species group. The genome of D. ... Drosophila quinaria species group flies including the related D. guttifera display marked variation in their wing patterning, ... "The genome of Drosophila innubila reveals lineage-specific patterns of selection in immune genes". Molecular Biology and ... Drosophila, Articles created by Qbugbot, Insects described in 1866, All stub articles, Drosophilidae stubs). ...
Drosophila pseudoobscura
Wikispecies has information related to Drosophila pseudoobscura. Drosophila pseudoobscura at FlyBase Drosophila pseudoobscura ... In 2005, D. pseudoobscura was the second Drosophila species to have its genome sequenced, after the model organism Drosophila ... Drosophila pseudoobscura is a species of fruit fly, used extensively in lab studies of speciation. It is native to western ... Female Drosophila pseudoobscura are polyandrous, meaning they mate with more than one male. By mating with multiple males, ...
Drosophila deflecta
... is a species of fruit fly in the Drosophila quinaria species group. "Drosophila deflecta Report". ... "Drosophila deflecta species details". Catalogue of Life. Retrieved 2018-05-02. "Drosophila deflecta". GBIF. Retrieved 2018-05- ... "Drosophila deflecta Species Information". BugGuide.net. Retrieved 2018-05-02. Miller, Meredith E.; Marshall, Stephen A.; ... Drosophila, Articles created by Qbugbot, Insects described in 1924, All stub articles, Drosophilidae stubs). ...
Drosophila quinaria
... is a species of fruit fly in the Drosophila quinaria species group. Most Quinaria group species feed ... "Drosophila quinaria species details". Catalogue of Life. Retrieved 2018-04-29. "Drosophila quinaria". GBIF. Retrieved 2018-04- ... "Drosophila quinaria Species Information". BugGuide.net. Retrieved 2018-04-29. Scott Chialvo, Clare H.; White, Brooke E.; Reed, ... Miller, Meredith E.; Marshall, Stephen A.; Grimaldi, David A. (2017). "A Review of the Species of Drosophila (Diptera: ...
Drosophila qiongzhouensis
... is a species of fly in the subgenus Dudaica. Katoh, Takehiro K.; Zhang, Guang; Toda, Masanori J.; ... Suwito, Awit; Gao, Jian-Jun (9 August 2018). "A revision of the subgenus Dudaica Strand of the genus Drosophila Fallén, with ... Drosophila, Insects described in 2018, All stub articles, Drosophilidae stubs). ...
Drosophila orientacea
... is a member of the testacea species group of Drosophila. Testacea species are specialist fruit flies that ... Drosophila orientacea is found in northern Japan on the island of Hokkaido. However, the European species Drosophila testacea ... Drosophila testacea species group Meiotic drive Haldane's rule Grimaldi, David; James, Avis C.; Jaenike, John (1992). " ... While D. orientacea readily mates with Drosophila neotestacea, viable hybrids are never produced. This hybrid inviability (see ...
Drosophila prolongata
... is a fly of the family Drosophilidae. This species is endemic to southeast Asia. Males of this species ... Singh, B. K., & Gupta, J. P. (1977). Two new and two unrecorded species of the genus Drosophila Fallen (Diptera: Drosophilidae ... Sexual dimorphism and courtship behavior in Drosophila prolongata. Journal of Ethology, 32(2), 91-102. v t e (Articles with ... short description, Short description is different from Wikidata, Articles with 'species' microformats, Drosophila, Insects of ...
Drosophila appendiculata
... was described by Malloch in 1934 and is distinguished from all other Drosophila species by the three ... D. Brncic (1987) A review of the genus Drosophila Fallen (Diptera: Drosophilidae) in Chile with the description of Drosophila ... With a size of 5 to 5.5 mm, this species is relative large for the genus Drosophila. The egg have four filaments. The species ... Drosophila appendiculata is a large yellowish fruitfly found in Southern Chile and neighboring Argentina. The species is placed ...
Drosophila mauritiana
List of Drosophila species Tsacas L. and David J., 1974: Drosophila mauritiana n. sp. du groupe melanogaster de l'Ile Maurice. ... Drosophila mauritiana is a species of fly, belonging to the family Drosophilidae. It belongs to the Drosophila melanogaster ... "Drosophila mauritiana" at the Encyclopedia of Life Drosophila mauritiana at insectoid.info v t e (Articles with short ... PMC 1461507 Media related to Drosophila mauritiana at Wikimedia Commons Data related to Drosophila mauritiana at Wikispecies " ...
Drosophila mettleri
Drosophila metlerri, commonly known as the Sonoran Desert fly, is a fly in the genus Drosophila. The species is found in North ... mettleri in comparison to other desert Drosophila species. A characteristic pertinent to each of the Sonoran Desert Drosophila ... Other species of Drosophila are less successful in the heat of the Sonoran Desert in rearing young due to the intense ... While other Drosophila have higher heat tolerances due to their breeding grounds in the necrotic tissue of cacti that is higher ...
Drosophila digressa
... was described by D. Elmo Hardy and Kenneth Y. Kaneshiro in 1968. This fly is yellow with two brown spots ... Drosophila digressa is an endangered species of fly from Hawaii, in the species rich lineage of Hawaiian Drosophilidae. It is ... Drosophila digressa was listed as a federally endangered species in 2013. Threats to the conservation of D. digressa include ... Hardy, D. Elmo; Kaneshiro, Kenneth Y. (1968). "New picture-winged Drosophila from Hawaii". Studies in Genetics. 4: 171-262. ...
Drosophila ananassae
Wikispecies has information related to Drosophila ananassae. Drosophila ananassae at FlyBase Drosophila ananassae at Ensembl ... Drosophila 12 Genomes Consortium; et al. (2007). "Evolution of genes and genomes on the Drosophila phylogeny". Nature. 450 ( ... Drosophila ananassae is a species of fruit fly that is a useful model organism for genetic studies because it is easily ...
Drosophila connectome
The Drosophila connectome, once completed, will be a complete list of the roughly 135,000 neurons in the brain of the fruit fly ... Drosophila looks very good on these counts: The brain contains about 135,000 neurons, small enough to be reconstructed in the ... In 2020, a dense connectome of half the central brain of Drosophila was released, along with a web site that allows queries and ... As of 2020, the Drosophila connectome is a work in progress, being obtained by the methods of neural circuit reconstruction. A ...
Drosophila hydei
Large sperm is a noted phenomenon among Drosophila species, but Drosophila hydei have the largest recorded sperm at over 20 mm ... PDF Wikimedia Commons has media related to Drosophila repleta hydei. NCBI taxonomy database: Drosophila hydei (Webarchive ... Drosophila hydei (mosca casera) is a species of Diptera, or the order of flies, in the family Drosophilidae. It is a species in ... Drosophila hydei are commonly found on compost piles worldwide, and can be rudimentarily identified by eye owing to their large ...
Drosophila calloptera
... is a species of vinegar fly in the Immigrans-tripunctata radiation of the subgenus Drosophila. Vilela, ... Therese A. Markow; Patrick M. O'Grady (2005). Drosophila: A guide to species identification and use. London: Elsevier. ISBN 978 ... "Preliminary data on the geographical distribution of Drosophila species within morphoclimatic domains of Brazil. III. The ... Drosophila, Insects described in 1862, All stub articles, Drosophilidae stubs). ...
Drosophila colorata
... is a species of vinegar fly in the family Drosophilidae. It is found in the United States. "Drosophila ... "Drosophila colorata Report". Integrated Taxonomic Information System. Retrieved 27 January 2018. Advances in Genetics. Academic ... Diptera.info NCBI Taxonomy Browser, Drosophila colorata v t e (Articles with short description, Short description is different ... from Wikidata, Use dmy dates from June 2021, Articles with 'species' microformats, Drosophila, All stub articles, Drosophilidae ...
Drosophila silvestris
Spieth HT (1981). "Drosophila heteroneura and Drosophila silvestris: Head Shapes, Behavior and Evolution". Evolution. 35 (5): ... Conant, P. (1978) ''Lek Behavior and Ecology of Two Sympatric Homosequential Hawaiian Drosophila: Drosophila heteroneura and ... "Change in the signal-response sequence responsible for asymmetric isolation between Drosophila planitibia and Drosophila ... "Natural Hybridization Between the Sympatric Hawaiian Species Drosophila silvestris and Drosophila heteroneura". Evolution. 43 ( ...
Drosophila montana
"Drosophila montana (Fruit fly)". www.uniprot.org. Retrieved 30 October 2019. "ITIS Standard Report Page: Drosophila montana". ... The species belongs to the order of flies Diptera and the genus Drosophila. The genus Drosophila includes the virilis group, ... Drosophila montana, colloquially referred to as a fruit fly, is a species of fly belonging to the family Drosophilidae and the ... Drosophila montana typically reside near bodies of water within boreal forest regions, primarily in latitudes above 40 degrees ...
Drosophila funebris
... is a member of the Immigrans-tripunctata radiation of the subgenus Drosophila. Drosophila funebris female ... ICZN (2010). "OPINION 2245 (Case 3407) Drosophila Fallén, 1823 (Insecta, Diptera): Drosophila funebris Fabricius, 1787 is ... Drosophila funebris is a species of fruit fly. It was originally described by Johan Christian Fabricius in 1787, and placed in ... Drosophila funebris female "Drosophila funebris". Integrated Taxonomic Information System. ...
Drosophila bifurca - Wikipedia
Drosophila bifurca is a species of fruit fly. Males of this species are known to have the longest sperm cells of any organism ... The other members of the genus Drosophila also make very few, giant sperm cells, with D. bifurcas being the longest. The sperm ... Retrieved from "https://en.wikipedia.org/w/index.php?title=Drosophila_bifurca&oldid=1106449398" ...
Drosophila | ScienceBlogs
Drosophila melanogaster, the insect that has been so important in genetic research, is not a true fruit fly. Drosophila is a ... Drosophila Are Not Fruit Flies Edition As I have mentioned before, Drosophila are not fruit flies. Tephritids are fruit flies. ... Paraphyly in Drosophila Many biology students have hands-on experience working with Drosophila melanogaster. This little fly is ... First, the genera nested within the Drosophila phylogeny can be redesignated into the Drosophila genus. Thats not going to ...
Drosophila melanogaster Eclosion Timelines 2011
FlyBase : a database for the Drosophila research community
... of which Drosophila melanogaster is the most extensively studied species. Information in FlyBase originates from a variety of ... FlyBase : a database for the Drosophila research community Methods Mol Biol. 2008;420:45-59. doi: 10.1007/978-1-59745-583-1_3. ... of which Drosophila melanogaster is the most extensively studied species. Information in FlyBase originates from a variety of ...
Drosophila larval NMJ | Journal of Neuroscience
Opposing roles for Drosophila JAK/STAT signalling during cellular proliferation | Oncogene
We have investigated the proliferative role of the single Drosophila STAT92E, part of the evolutionarily conserved JAK/STAT ... The single STAT92E present in Drosophila therefore mediates both proproliferative functions analogous to vertebrate interleukin ... Lehmann R and Tautz D . (1994). Drosophila melanogaster: Practical Uses in Cell and Molecular Biology Vol. 44, Goldstein LSB, ... Cohen S . (1993). The Development of Drosophila melanogaster, Vol. II. Cold Spring Harbor Laboratory Press: Cold Spring Harbor ...
Stowers Institute for Medical Research | The Drosophila ovary : An in…
Spotted Wing Drosophila: Got Pests? : Board of Pesticides Control: Maine DACF
Spotted Wing Drosophila-Drosophila suzukii The spotted wing drosophila (SWD) is a fruit fly orginally from Asia, was found in ... Spotted Wing Drosophila-Cornell University. *Fruit Flies/Spotted Wing Drosophila Fact Sheets and Seasonal Update-University of ... Spotted Wing Drosophila-Maine Organic Farmers and Gardeners Association *Spotted Wing Drosophila Information-Michigan State ... The spotted wing drosophila adult is approximately 1/16 to 1/8 inches long (which is very, very small). The males can be ...
Cytochrome P450-Dependent Metabolism of Caffeine in Drosophila melanogaster | PLOS ONE
It also indicates that caffeine could be used as a biomarker to evaluate CYP phenotypes in Drosophila and other insects. ... A transcriptomic screen of Drosophila flies exposed to caffeine revealed the coordinated variation of a large set of genes that ... we have identified some of the primary caffeine metabolites produced in the body of Drosophila melanogaster males, including ...
A Reduced Drosophila Model Whose Characteristic Behavior Scales Up
One of the most commonly modeled biological systems involves a gene family critical to segmentation in ,i,Drosophila,/i, ... A Reduced Drosophila Model Whose Characteristic Behavior Scales Up. Andrew David Irving. 1 ... H. Meinhardt, "Hierarchical inductions of cell states: a model for segmentation in Drosophila," Journal of Cell Science, vol. 4 ... J. W. Bodnar and M. K. Bradley, "Programming the Drosophila embryo 2: from genotype to phenotype," Cell Biochemistry and ...
Drosophila melanogaster
... Male Drosophila melanogaster Scientific classification Kingdom: Animalia Phylum ... Drosophila melanogaster. Meigen, 1830[1] Drosophila melanogaster (from the Greek for black-bellied dew-lover) is a two-winged ... Ashburner M, Thompson JN (1978). The laboratory culture of Drosophila. In: The genetics and biology of Drosophila. (Ashburner M ... Main article: Drosophila embryogenesis. Embryogenesis in Drosophila has been extensively studied, as its small size, short ...
Browse Drosophila melanogaster ORF cDNA clones by chromosome 2L, map 22D6-22D6, page 1
Ecological specialization of Hawaiian Drosophila
Kyoto Drosophila Stock Center, Kyoto Institute of Technology
Copyright © KYOTO Drosophila Stock Center, Kyoto Institute of Technology. All rights reserved ... The DrosDel collection: a set of P-element insertions for generating custom chromosomal aberrations in Drosophila melanogaster. ... The DrosDel collection: a set of P-element insertions for generating custom chromosomal aberrations in Drosophila melanogaster. ... The DrosDel deletion collection: a Drosophila genomewide chromosomal deficiency resource.. Genetics (2007) 177(1) 615-29 [RRC ...
Drosophila duet: mating flies harmonise | Interviews | Naked Scientists
Drosophila Virilis, where the two sexes sing to each other during courtship. Shes trying to understand neurologically what ... Mala Murthy has been studying a species of fruit fly called, Drosophila Virilis, where the two sexes sing to each other during ... Acoustic duetting in Drosophila virilis relies on the integration of auditory and tactile signals ... Mala - The male and female of this particular species, Drosophila Virilis, have an interesting courtship behavior where while ...
Testing - 62nd Annual Drosophila Research Conference
Ndfip protein, Drosophila | Semantic Scholar
Interactive Fly, Drosophila
Specification of dendritogenesis site in Drosophila aCC motoneuron by membrane enrichment of Pak1 through Dscam1. Dev Cell 35: ... Regulation of cortical stability by RhoGEF3 in mitotic sensory organ precursor cells in Drosophila. Biol Open. PubMed ID: ... A Cdc42-mediated supracellular network drives polarized forces and Drosophila egg chamber extension. Nat Commun 11(1): 1921. ... Genetic dissection of active forgetting in labile and consolidated memories in Drosophila. Different memory components are ...
Spotted Wing Drosophila
The spotted wing drosophila (SWD), Drosophila suzukii, is a small fruit fly (vinegar fly) native to Japan. It was first ... Female spotted wing drosophila on raspberry fruit (Rubus). Note lack of spotted wings on female. H. Burrack, NCSU, Bugwood.org ... Female spotted wing drosophila and damage on raspberry fruit (Rubus). H. Burrack, NCSU, Bugwood.org. ... Tiny, white cigar-shaped eggs of the spotted wing drosophila on strawberry fruit (Fragaria x ananassa Duchesne ex Rozier). H ...
Drosophila gustatory projections are segregated by taste modality and connectivity | bioRxiv
Drosophila gustatory projections are segregated by taste modality and connectivity. Stefanie Engert, Gabriella R. Sterne, David ... Drosophila gustatory projections are segregated by taste modality and connectivity Message Subject (Your Name) has forwarded a ... we reconstructed gustatory axons and their synaptic sites in the adult Drosophila melanogaster brain, utilizing a whole-brain ...
Ways to improve body image in Drosophila
Hormones insulin and leptin function in directly opposing ways to control energy homeostasis in Drosophila. ... The authors were able to show that in Drosophila, the regulation of synapse number occurs when fat stores increase, but that ... Using this pipeline, the authors investigated how the protein Unpaired 2 (Upd2), a Drosophila Leptin ortholog, regulates the ... signaling and found it to be evolutionarily conserved between Drosophila and humans. In a recent preprint , Drs Ava Brent and ...
SCOP 1.67: Species: Fruit fly (Drosophila melanogaster)
Timeline for Species Fruit fly (Drosophila melanogaster) [TaxId:7227] from b.34.13.2 Polycomb protein, Pc: *Species Fruit fly ( ... Drosophila melanogaster) [TaxId:7227] from b.34.13.2 Polycomb protein, Pc is new in SCOP 1.67. *Species Fruit fly (Drosophila ... PDB entries in Species: Fruit fly (Drosophila melanogaster):. *Domain(s) for 1pdq: *. Domain d1pdqa_: 1pdq A: [94590]. ... Lineage for Species: Fruit fly (Drosophila melanogaster). *Root: SCOP 1.67 *. Class b: All beta proteins [48724] (141 folds). ...
Drosophila immunity and homeostasis during viral infection
Cold Spring Harbor Lab Press
Drosophila melanogaster
Biology of Drosophila. Edited By M. Demerec © 2008 632 pp., illus., indexes. Paperback $42.00. $33.60 ISBN 978-087969828-7 ... Won for All: How the Drosophila Genome Was Sequenced. By Michael Ashburner © 2006 107 pp., illus.. Hardcover $19.95. $9.97 ISBN ... Drosophila Neurobiology: A Laboratory Manual. Edited By Bing Zhang, University of Oklahoma; Marc R. Freeman, University of ... Drosophila Protocols. By William Sullivan, University of California, Santa Cruz; Michael Ashburner, University of Cambridge; R ...
Cold Spring Harbor Lab Press
Drosophila melanogaster
Biology of Drosophila. Edited By M. Demerec © 2008 632 pp., illus., indexes. Paperback $42.00. $33.60 ISBN 978-087969828-7 ... Won for All: How the Drosophila Genome Was Sequenced. By Michael Ashburner © 2006 107 pp., illus.. Hardcover $19.95. $9.97 ISBN ... Drosophila Neurobiology: A Laboratory Manual. Edited By Bing Zhang, University of Oklahoma; Marc R. Freeman, University of ... Drosophila Protocols. By William Sullivan, University of California, Santa Cruz; Michael Ashburner, University of Cambridge; R ...
British Library EThOS: Adaptation to transposable elements in Drosophila simulans
Drosophila Archives - The Scholarly Kitchen
Drosophila neuroblasts retain the daughter centrosome | IRB Barcelona
Diptera.info - Photo Albums: Drosophila (Drosophila) hydei (3)
GeneticsWing DrosophilaSuzukiiSpeciesProteinsLarvaeDipteraLarvaOrganismMelanogaster brainFruitVinegar flyEvolutionarily conservedGenomeCitationGenesMutationBiologyProteinEmbryoMorphogenesisMetabolismCommonlyFunctionalMyosinBehaviorPhysiologyMutantsMeiosisContentHumansTranscriptMolecularResearchBiologicalPathwayCellsCircuitsDevelopmentSequence
Genetics2
- Drosophila melanogaster is the most studied organism in biological research, particularly in genetics and developmental biology. (bionity.com)
- Introduction: The Drosophila melanogaster, otherwise known as the common fruit fly has been a useful organism to the field of genetics. (cram.com)
Wing Drosophila15
- Spotted Wing Drosophila: Got Pests? (maine.gov)
- The spotted wing drosophila (SWD) is a fruit fly orginally from Asia, was found in Hawaii in the 1980s, in California in 2008, in Michigan in 2010 and in Maine in 2012. (maine.gov)
- The spotted wing drosophila adult is approximately 1/16 to 1/8 inches long (which is very, very small). (maine.gov)
- Female spotted wing drosophila and damage on raspberry fruit ( Rubus ). (missouribotanicalgarden.org)
- The spotted wing drosophila (SWD), Drosophila suzukii , is a small fruit fly (vinegar fly) native to Japan. (missouribotanicalgarden.org)
- Male spotted wing drosophila on trap, showing spotted wings. (missouribotanicalgarden.org)
- Spotted wing drosophila took Washington State by surprise last season, but the industry will be ready this time. (goodfruit.com)
- Spotted wing drosophila larvae that hatch from eggs inside the fruit sometimes pop out and walk around on the surface. (goodfruit.com)
- The spotted wing drosophila can pupate inside the cherry, outside the cherry, or halfway out. (goodfruit.com)
- The Washington tree fruit industry should be better prepared to tackle the new pest spotted wing drosophila in the coming season, thanks to extensive trapping by field horticulturists last year and results from ongoing research on the pest, says Dr. Elizabeth Beers, Washington State -University entomologist. (goodfruit.com)
- Beers said notices of the first trap catches of spotted wing drosophila (Drosophila suzukii) in the various growing regions of the state will also be posted on the site. (goodfruit.com)
- The spotted wing drosophila originated in Asia and was first detected in the United States in 2008 in California. (goodfruit.com)
- The first spotted wing drosophila in Washington in 2010 was found in a Royal City orchard in late June. (goodfruit.com)
- Spotted wing drosophila populations did not decline until a hard freeze in late November when the temperature dropped to -4°F in Wenatchee and lower still in other parts of the state. (goodfruit.com)
- 21/04/2022 - Impacting on fruit quality and marketable yield, the Spotted Wing Drosophila (SWD), Drosophila suzukii , has become a widespread and economically damaging pest of soft fruit and orchard crops. (biobestgroup.com)
Suzukii3
- There is some interesting new research out on the Asian Fruit Fly, Drosophila suzukii. (scienceblogs.com)
- Drosophila suzukii is threatening soft fruit production worldwide due to the females' ability to pierce through the intact skin of ripe fruits and lay eggs inside. (uni-muenchen.de)
- A major challenge to the area-wide management of Drosophila suzukii is understanding the fly's host use and temporal dynamics, which may dictate local movement patterns. (mdpi.com)
Species14
- Drosophila bifurca is a species of fruit fly . (wikipedia.org)
- FlyBase ( http://flybase.org ) is the primary database of integrated genetic and genomic data about the Drosophilidae, of which Drosophila melanogaster is the most extensively studied species. (nih.gov)
- The developmental period for Drosophila melanogaster varies with temperature, as with many ectothermic species. (bionity.com)
- The ecological overlap of three species of Hawaiian Drosophila: D. mimica D. kambysellisi , and D. imparisetae , has been investigated by analysis of the community matrix. (umich.edu)
- Mala Murthy has been studying a species of fruit fly called, Drosophila Virilis, where the two sexes sing to each other during courtship. (thenakedscientists.com)
- Mala - The male and female of this particular species, Drosophila Virilis, have an interesting courtship behavior where while the male is singing to the female, and she's singing back to him, he's constantly interacting with her in a kind of salacious way. (thenakedscientists.com)
- The P-element, a DNA-based transposable element, recently invaded two Drosophila species: D. melanogaster in the 20th century, and D. simulans, in the 21st. (bl.uk)
- Unlike its cousin, the common vinegar fly (Drosophila melanogaster), the new species attacks fruit that is on the tree and not completely ripe or damaged. (goodfruit.com)
- It takes good magnification to see that it has a toothed ovipositor that is significantly larger than that of other drosophila species. (goodfruit.com)
- This dataset contains the digitized treatments in Plazi based on the original journal article Roman, Bruna Emilia, Madi-Ravazzi, Lilian (2021): Male terminalia morphology of sixteen species of the Drosophila saltans group Sturtevant (Diptera, Drosophilidae). (gbif.org)
- The model species drosophila melanogaster was used to study the passing of genes from one generation to the next. (cram.com)
- IMSEAR at SEARO: Drosophila bipectinata species complex. (who.int)
- Drosophila bipectinata species complex. (who.int)
- The Drosophila bipectinata species complex belongs to the ananassae subgroup of the melanogaster species group (Genus Drosophila, Subgenus Sophophora). (who.int)
Proteins2
- Networks that link cytoskeletal regulators and diaphragm proteins underpin filtration function in Drosophila nephrocytes. (instem.res.in)
- In summary, Drosophila resilin can enhance the mechanical properties of silk , and this study is the first to improve the mechanical properties of silk using proteins other than spider silk , which broadens the possibilities for the design and application of biomimetic silk materials. (bvsalud.org)
Larvae2
- Using the proliferating Drosophila wing disc epithelium, this study demonstrates that disruption of the junctional [Cdc42/ Par6 / Par3 /Atypical PKC (aPKC)] complex vs. basolateral polarity complex [ Scribble (Scrib)/Discs Large (Dlg)/Lethal Giant Larvae (Lgl)] complex results in increased epithelial proliferation via distinct downstream signaling pathways. (sdbonline.org)
- Both chips were capable of significantly reducing the endogenous CNS movement while still allowing the study of sound-stimulated CNS activities of Drosophila 3rd instar larvae using genetically encoded calcium indicator GCaMP5. (rsc.org)
Diptera1
- Drosophila melanogaster (from the Greek for black-bellied dew-lover ) is a two-winged insect that belongs to the Diptera, the order of the flies. (bionity.com)
Larva3
- A still shot from the 3D-IsoView microscope shows neural activity within a Drosophila larva detected with fluorescent indicators. (scienceblogs.com)
- Image courtesy of Keller Lab, HHMI/Janelia Research Campus A new kind of three-dimensional technology, called IsoView, allows researchers to view biological processes within nontransparent animals that are rather large by microscopy standards such as the drosophila larva above and even the brains of larval zebrafish. (scienceblogs.com)
- We study brain and behavior in the roundworm C. elegans and the Drosophila larva. (harvard.edu)
Organism5
- Here, we employ Drosophila melanogaster as a genetically tractable model organism to study disease resistance and disease tolerance mechanisms in the context of viral infection. (harvard.edu)
- A charming short film about the history and importance of the fruit fly Drosophila as a model organism in biomedical research. (sspnet.org)
- Introduction When analyzing biological processes and development, Drosophila melanogaster is an ideal organism to utilize. (cram.com)
- The simple but revolutionary organism Drosophila melanogaster has intricate properties that are studied to find its relations with human genes. (cram.com)
- Not only is D. melanogaster a model organism for its rapid growth, inexpensive culturing, and easy modifications, the Drosophila can provide more in-depth scientific analysis that can solve human diseases. (cram.com)
Melanogaster brain2
- To examine the signals that gustatory neurons transmit and receive, we reconstructed gustatory axons and their synaptic sites in the adult Drosophila melanogaster brain, utilizing a whole-brain electron microscopy volume. (biorxiv.org)
- Here we test whether wiring economy together with volume exclusion can explain the placement of neurons in a module of the Drosophila melanogaster brain known as lamina cartridge [5-13]. (janelia.org)
Fruit5
- They answered this question using Drosophila melanogaster, commonly known as fruit flies. (scienceblogs.com)
- Here we functionally characterize neural circuitry in the fruit fly, Drosophila melanogaster , that conveys polarized light signals from the eye to the central complex, a brain region essential for the fly's sense of direction. (elifesciences.org)
- Drosophila melanogaster: Inheritance Pattern Experiment Kaitlyn Grifka Saginaw Valley State University Abstract The purpose of this experiment was to study a population of Drosophila melanogaster, or more commonly known as the fruit fly. (cram.com)
- The aim of this programme is to re-introduce the fruit fly Drosophila melanogaster into school and college biology lessons. (biologists.com)
- By demonstrating to school pupils the potential scope of fruit fly research, it enhances the chance that those who choose to study the life sciences at university, will have more of an appreciation for the impact of Drosophila research on modern science, and be keen to explore the field themselves. (biologists.com)
Vinegar fly1
- In contrast to the 'common vinegar fly' ( Drosophila melanogaster ), SWD attacks healthy ripening fruits. (biobestgroup.com)
Evolutionarily conserved2
- We have investigated the proliferative role of the single Drosophila STAT92E, part of the evolutionarily conserved JAK/STAT cascade. (nature.com)
- Specifically, they identified a mechanism coupling systemic energy sensing to adipokine secretion via intracellular calcium (Ca 2+ ) signaling and found it to be evolutionarily conserved between Drosophila and humans. (fredhutch.org)
Genome2
- In addition, I carried out experiments to optimize a germline-specific CRISPR/Cas9-mediated genome editing protocol in Drosophila that will facilitate future studies of Drosophila reproduction and germ cells. (cornell.edu)
- This study used piggyBac-mediated transgenic technology to stably insert the Drosophila melanogaster resilin gene into the silkworm genome to investigate whether exogenous protein structures improve the mechanical properties of silkworm silk . (bvsalud.org)
Citation1
- The recommended citation when using these images is: "We used the Drosophila Kc167 1 image set (Carpenter, et al. (cellimagelibrary.org)
Genes4
- Over the course of Drosophila embryogenesis (when the formation of embryonic cells and organs occurs [ 5 ]), a cascade of maternal and zygotic segmentation genes establishes the bodily layout [ 6 ]. (hindawi.com)
- Here, I describe an effort to systematize what is currently known about which genes are part of Drosophila pathways and use the resulting resource as the foundation for machine learning analyses, aiming to address whether existing data can be used to predict novel pathway members. (cam.ac.uk)
- Pathway members also have fewer loss-of-function variants in natural Drosophila populations than other genes, highlighting their biological importance. (cam.ac.uk)
- Xiong, WC & Montell, C 1993, ' tramtrack is a transcriptional repressor required for cell fate determination in the Drosophila eye ', Genes & development , vol. 7, no. 6, pp. 1085-1096. (elsevier.com)
Mutation2
- Through a combination of mutation, RNAi, and imaging experiments, this study found that a Dscam - Dock - Pak1 hierarchical interaction defines the stereotypical dendrite growth site in the Drosophila aCC motoneuron. (sdbonline.org)
- Lillian M. Cosentino University of North Carolina Wilmington Rachel Hanson BIOL 335-204 7 October 2015 Determining mode of inheritance for eyeless mutation in Drosophila melanogaster Abstract: The purpose of this experiment is to determine the mode of inheritance for the eyeless mutation in Drosophila melanogaster, whether it be autosomal or sex-linked. (cram.com)
Biology1
- Andreas and Catherine together explained the mutual benefits of using Drosophila as a teaching tool: the benefit for pupils and teachers lies in the fact that Drosophila provides uniquely detailed biology knowledge, delivering concepts, stories and experiments across biology - paired up with human examples to illustrate relevance. (biologists.com)
Protein1
- Using this pipeline, the authors investigated how the protein Unpaired 2 (Upd2), a Drosophila Leptin ortholog, regulates the extent of inhibitory tone provided by its target GABA neurons on the insulin producing cells (IPCs). (fredhutch.org)
Embryo1
- BACKGROUND: Dorsal closure is a morphogenetic event that occurs during mid-embryogenesis in many insects including Drosophila, during which the ectoderm migrates on the extraembryonic amnioserosa to seal the embryo dorsally. (knaw.nl)
Morphogenesis3
- Cdc42 and formin activity control non-muscle myosin dynamics during Drosophila heart morphogenesis. (sdbonline.org)
- This study shows that the small GTPase Cdc42 is essential for Drosophila melanogaster heart morphogenesis and lumen formation. (sdbonline.org)
- By using the Drosophila pupal wing, we are interested in elucidating how tissue morphogenesis and dynamic cellular communications are regulated at the subcellular level. (helsinki.fi)
Metabolism1
- The foraging gene affects alcohol sensitivity, metabolism and memory in Drosophila. (cdc.gov)
Commonly1
- One of the most commonly modeled biological systems involves a gene family critical to segmentation in Drosophila embryogenesis-the segment polarity network (SPN). (hindawi.com)
Functional3
- At the same time, there is now a large amount of publicly available functional genomics data in Drosophila that, if appropriately analysed, might be able to contribute to further progress in the study of signalling pathways. (cam.ac.uk)
- Two microfluidic devices (pneumatic chip and FlexiChip) have been developed for immobilization and live-intact fluorescence functional imaging of Drosophila larva's Central Nervous System (CNS) in response to controlled acoustic stimulation. (rsc.org)
- Our lab-on-chip devices can not only aid further studies of Drosophila larva's auditory responses but can be also adopted for functional imaging of CNS activities in response to other sensory cues. (rsc.org)
Myosin1
- We used an integrative approach to probe the significance of the interaction between the relay loop and converter domain of the myosin molecular motor from Drosophila melanogaster indirect flight muscle. (nih.gov)
Behavior1
- Choice behavior of Drosophila facing contradictory visual cues. (yale.edu)
Physiology1
- A new study published in the American Journal of Physiology - Regulatory, Integrative and Comparative Physiology describes how Drosophila melanogaster develop similar heart complications as humans when they become obese. (scienceblogs.com)
Mutants1
- Interestingly, Drosophila null mutants for the ubiquitously expressed ssp3 gene are viable and female fertile but male sterile. (bgu.ac.il)
Meiosis1
- These results raise the intriguing possibility of a common feature between human and Drosophila meiosis. (bgu.ac.il)
Content1
- Using a live animal in the classroom puts the " life " back into the life sciences, and encourages pupils to engage with the subject content - Drosophila brings real-world relevance to the curriculum. (biologists.com)
Humans1
- Since leptin and insulin in humans interact with one another, and these interactions are sometimes synergistic, sometimes antagonistic, the Drosophila provided a simpler model where leptin/insulin interactions are better defined. (fredhutch.org)
Transcript1
- Drosophila melanogaster cystathionine beta-synthase, transcript variant A (Cbs), mRNA. (genscript.com)
Molecular1
- My findings not only suggest conservation of multiple events during egg activation, but also demonstrate that Drosophila is an ideal model with which to dissect the molecular mechanisms of these events. (cornell.edu)
Research3
- Extensive research in Drosophila melanogaster has greatly contributed to the understanding of these pathways, but a central resource distilling the vast literature on the topic has been lacking. (cam.ac.uk)
- My research uncovered several aspects of Drosophila egg activation. (cornell.edu)
- The day began with a tour of the fly facility, a short activity using microscopes to identify common phenotypic markers used in Drosophila research, and an introduction to the droso4schools programme by academic lead Professor Andreas Prokop, and long-time collaborator Dr Catherine Alnuamaani, a teacher and keen Drosophila advocate from Trinity CoE High School , Manchester. (biologists.com)
Biological1
- Drosophila information service / Division of Biological SciencesUniversity of Kansas. (bvs.br)
Pathway1
- Curation, characterisation and prediction of Drosophila signalling pathway members (Doctoral thesis). (cam.ac.uk)
Cells3
- The other members of the genus Drosophila also make very few, giant sperm cells, with D. bifurca 's being the longest. (wikipedia.org)
- Five different samples of Drosophila melanogaster Kc167 cells were stained with Hoechst 33342, a DNA stain. (cellimagelibrary.org)
- Cell fate determination in the Drosophila eye is mediated by inductive events between neighboring cells in the eye imaginai disc. (elsevier.com)
Circuits1
- Drosophila circuits underlying identified behaviors are being reconstructed in the pipeline with the goal of generating a complete Drosophila connectome. (janelia.org)
Development1
- The Development of Drosophila melanogaster , Vol. II . (nature.com)
Sequence1
- Sequence finishing and mapping of Drosophila melanogaster heterochromatin. (genscript.com)